CMakeLists.txt

   1 #
   2 CMAKE_MINIMUM_REQUIRED(VERSION 2.8.12 FATAL_ERROR)
   3 #
   4 PROJECT(libarchive C)
   5 #
   6 SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/build/cmake")
   7 if(NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY)
   8   set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${libarchive_BINARY_DIR}/bin)
   9 endif()
  10 #
  11 # Set the Build type for make based generators.
  12 # You can choose following types:
  13 #   Debug          : Debug build
  14 #   Release        : Release build
  15 #   RelWithDebInfo : Release build with Debug Info
  16 #   MinSizeRel     : Release Min Size build
  17 IF(NOT CMAKE_BUILD_TYPE)
  18   SET(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Build Type" FORCE)
  19 ENDIF(NOT CMAKE_BUILD_TYPE)
  20 # Set a value type to properly display CMAKE_BUILD_TYPE on GUI if the
  21 # value type is "UNINITIALIZED".
  22 GET_PROPERTY(cached_type CACHE CMAKE_BUILD_TYPE PROPERTY TYPE)
  23 IF("${cached_type}" STREQUAL "UNINITIALIZED")
  24   SET(CMAKE_BUILD_TYPE "${CMAKE_BUILD_TYPE}" CACHE STRING "Build Type" FORCE)
  25 ENDIF("${cached_type}" STREQUAL "UNINITIALIZED")
  26 # Check the Build Type.
  27 IF(NOT "${CMAKE_BUILD_TYPE}"
  28        MATCHES "^(Debug|Release|RelWithDebInfo|MinSizeRel)\$")
  29   MESSAGE(FATAL_ERROR
  30           "Unknown keyword for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}\n"
  31           "Acceptable keywords: Debug,Release,RelWithDebInfo,MinSizeRel")
  32 ENDIF(NOT "${CMAKE_BUILD_TYPE}"
  33           MATCHES "^(Debug|Release|RelWithDebInfo|MinSizeRel)\$")
  34
  35 # On MacOS, prefer MacPorts libraries to system libraries.
  36 # I haven't come up with a compelling argument for this to be conditional.
  37 list(APPEND CMAKE_PREFIX_PATH /opt/local)
  38 # Enable @rpath in the install name.
  39 # detail in "cmake  --help-policy CMP0042"
  40 SET(CMAKE_MACOSX_RPATH ON)
  41
  42 #
  43 # Version - read from 'version' file.
  44 #
  45 FILE(STRINGS ${CMAKE_CURRENT_SOURCE_DIR}/build/version _version)
  46 STRING(REGEX REPLACE
  47  "^([0-9])[0-9][0-9][0-9][0-9][0-9][0-9][a-z]*$" "\\1" _major ${_version})
  48 STRING(REGEX REPLACE
  49  "^[0-9]([0-9][0-9][0-9])[0-9][0-9][0-9][a-z]*$" "\\1" _minor ${_version})
  50 STRING(REGEX REPLACE
  51  "^[0-9][0-9][0-9][0-9]([0-9][0-9][0-9])[a-z]*$" "\\1" _revision ${_version})
  52 STRING(REGEX REPLACE
  53  "^[0-9][0-9][0-9][0-9][0-9][0-9][0-9]([a-z]*)$" "\\1" _quality ${_version})
  54 SET(_version_number ${_major}${_minor}${_revision})
  55 STRING(REGEX REPLACE "[0]*([^0]*[0-9])$" "\\1" _trimmed_minor ${_minor})
  56 STRING(REGEX REPLACE "[0]*([^0]*[0-9])$" "\\1" _trimmed_revision ${_revision})
  57 #
  58 SET(VERSION                    "${_major}.${_trimmed_minor}.${_trimmed_revision}${_quality}")
  59 SET(BSDCPIO_VERSION_STRING     "${VERSION}")
  60 SET(BSDTAR_VERSION_STRING      "${VERSION}")
  61 SET(BSDCAT_VERSION_STRING      "${VERSION}")
  62 SET(LIBARCHIVE_VERSION_NUMBER  "${_version_number}")
  63 SET(LIBARCHIVE_VERSION_STRING  "${VERSION}")
  64
  65 # INTERFACE_VERSION increments with every release
  66 # libarchive 2.7 == interface version 9 = 2 + 7
  67 # libarchive 2.8 == interface version 10 = 2 + 8
  68 # libarchive 2.9 == interface version 11 = 2 + 9
  69 # libarchive 3.0 == interface version 12
  70 # libarchive 3.1 == interface version 13
  71 math(EXPR INTERFACE_VERSION  "13 + ${_minor}")
  72
  73 # Set SOVERSION == Interface version
  74 # ?? Should there be more here ??
  75 SET(SOVERSION "${INTERFACE_VERSION}")
  76
  77 # Enalbe CMAKE_PUSH_CHECK_STATE() and CMAKE_POP_CHECK_STATE() macros
  78 # saving and restoring the state of the variables.
  79 INCLUDE(CMakePushCheckState)
  80
  81 # Initialize the state of the variables. This initialization is not
  82 # necessary but this shows you what value the variables initially have.
  83 SET(CMAKE_REQUIRED_DEFINITIONS)
  84 SET(CMAKE_REQUIRED_INCLUDES)
  85 SET(CMAKE_REQUIRED_LIBRARIES)
  86 SET(CMAKE_REQUIRED_FLAGS)
  87
  88 # Especially for early development, we want to be a little
  89 # aggressive about diagnosing build problems; this can get
  90 # relaxed somewhat in final shipping versions.
  91 IF (CMAKE_C_COMPILER_ID MATCHES "^GNU$")
  92   SET(CMAKE_REQUIRED_FLAGS "-Wall -Wformat -Wformat-security")
  93   #################################################################
  94   # Set compile flags for all build types.
  95   SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wformat -Wformat-security")
  96   #################################################################
  97   # Set compile flags for debug build.
  98   # This is added into CMAKE_C_FLAGS when CMAKE_BUILD_TYPE is "Debug"
  99   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Werror")
 100   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wextra")
 101   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wunused")
 102   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wshadow")
 103   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wmissing-prototypes")
 104   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wcast-qual")
 105 ENDIF (CMAKE_C_COMPILER_ID MATCHES "^GNU$")
 106 IF (CMAKE_C_COMPILER_ID MATCHES "^Clang$")
 107   SET(CMAKE_REQUIRED_FLAGS "-Wall -Wformat -Wformat-security")
 108   #################################################################
 109   # Set compile flags for all build types.
 110   SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wformat -Wformat-security")
 111   #################################################################
 112   # Set compile flags for debug build.
 113   # This is added into CMAKE_C_FLAGS when CMAKE_BUILD_TYPE is "Debug"
 114   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g")
 115   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Werror")
 116   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wextra")
 117   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wunused")
 118   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wshadow")
 119   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wmissing-prototypes")
 120   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wcast-qual")
 121 ENDIF (CMAKE_C_COMPILER_ID MATCHES "^Clang$")
 122 IF (CMAKE_C_COMPILER_ID MATCHES "^XL$")
 123   SET(CMAKE_C_COMPILER "xlc_r")
 124   SET(CMAKE_REQUIRED_FLAGS "-qflag=e:e -qformat=sec")
 125   #################################################################
 126   # Set compile flags for all build types.
 127   SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -qflag=e:e -qformat=sec")
 128   #################################################################
 129   # Set compile flags for debug build.
 130   # This is added into CMAKE_C_FLAGS when CMAKE_BUILD_TYPE is "Debug"
 131   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g")
 132   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -qhalt=w")
 133   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -qflag=w:w")
 134   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -qinfo=pro:use")
 135 ENDIF(CMAKE_C_COMPILER_ID MATCHES "^XL$")
 136 IF (MSVC)
 137   #################################################################
 138   # Set compile flags for debug build.
 139   # This is added into CMAKE_C_FLAGS when CMAKE_BUILD_TYPE is "Debug"
 140   # Enable level 4 C4061: The enumerate has no associated handler in a switch
 141   #                       statement.
 142   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4061")
 143   # Enable level 4 C4254: A larger bit field was assigned to a smaller bit
 144   #                       field.
 145   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4254")
 146   # Enable level 4 C4295: An array was initialized but the last character in
 147   #                       the array is not a null; accessing the array may
 148   #                       produce unexpected results.
 149   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4295")
 150   # Enable level 4 C4296: An unsigned variable was used in a comparison
 151   #                       operation with zero.
 152   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4296")
 153   # Enable level 4 C4389: An operation involved signed and unsigned variables.
 154   #                       This could result in a loss of data.
 155   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4389")
 156   # Enable level 4 C4505: The given function is local and not referenced in
 157   #                       the body of the module; therefore, the function is
 158   #                       dead code.
 159   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4505")
 160   # Enable level 4 C4514: The optimizer removed an inline function that is not
 161   #                       called.
 162   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4514")
 163   # Enable level 4 C4702: Unreachable code.
 164   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4702")
 165   # Enable level 4 C4706: The test value in a conditional expression was the
 166   #                       result of an assignment.
 167   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4706")
 168   # /WX option is the same as gcc's -Werror option.
 169   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /WX")
 170   # /Oi option enables built-in functions.
 171   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /Oi")
 172   #################################################################
 173   # Set compile flags for release build.
 174   SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /Oi")
 175 ENDIF (MSVC)
 176
 177 # Enable CTest/CDash support
 178 include(CTest)
 179
 180 OPTION(ENABLE_NETTLE "Enable use of Nettle" ON)
 181 OPTION(ENABLE_OPENSSL "Enable use of OpenSSL" ON)
 182 OPTION(ENABLE_LZO "Enable the use of the system LZO library if found" OFF)
 183 OPTION(ENABLE_LZMA "Enable the use of the system LZMA library if found" ON)
 184
 185 OPTION(ENABLE_ZLIB "Enable the use of the system ZLIB library if found" ON)
 186 OPTION(ENABLE_BZip2 "Enable the use of the system BZip2 library if found" ON)
 187 OPTION(ENABLE_LIBXML2 "Enable the use of the system libxml2 library if found" ON)
 188 OPTION(ENABLE_EXPAT "Enable the use of the system EXPAT library if found" ON)
 189 OPTION(ENABLE_PCREPOSIX "Enable the use of the system PCREPOSIX library if found" ON)
 190 OPTION(ENABLE_LibGCC "Enable the use of the system LibGCC library if found" ON)
 191 # CNG is used for encrypt/decrypt Zip archives on Windows.
 192 OPTION(ENABLE_CNG "Enable the use of CNG(Crypto Next Generation)" ON)
 193
 194 OPTION(ENABLE_TAR "Enable tar building" ON)
 195 OPTION(ENABLE_TAR_SHARED "Enable dynamic build of tar" FALSE)
 196 OPTION(ENABLE_CPIO "Enable cpio building" ON)
 197 OPTION(ENABLE_CPIO_SHARED "Enable dynamic build of cpio" FALSE)
 198 OPTION(ENABLE_CAT "Enable cat building" ON)
 199 OPTION(ENABLE_CAT_SHARED "Enable dynamic build of cat" FALSE)
 200 OPTION(ENABLE_XATTR "Enable extended attribute support" ON)
 201 OPTION(ENABLE_ACL "Enable ACL support" ON)
 202 OPTION(ENABLE_ICONV "Enable iconv support" ON)
 203 OPTION(ENABLE_TEST "Enable unit and regression tests" ON)
 204 OPTION(ENABLE_COVERAGE "Enable code coverage (GCC only, automatically sets ENABLE_TEST to ON)" FALSE)
 205 OPTION(ENABLE_INSTALL "Enable installing of libraries" ON)
 206
 207 SET(POSIX_REGEX_LIB "AUTO" CACHE STRING "Choose what library should provide POSIX regular expression support")
 208 SET(ENABLE_SAFESEH "AUTO" CACHE STRING "Enable use of /SAFESEH linker flag (MSVC only)")
 209 SET(WINDOWS_VERSION "WIN7" CACHE STRING "Set Windows version to use (Windows only)")
 210
 211 IF(ENABLE_COVERAGE)
 212         include(LibarchiveCodeCoverage)
 213 ENDIF(ENABLE_COVERAGE)
 214
 215 IF(ENABLE_TEST)
 216         ENABLE_TESTING()
 217 ENDIF(ENABLE_TEST)
 218
 219 IF(WIN32)
 220   IF(WINDOWS_VERSION STREQUAL "WIN8")
 221     SET(NTDDI_VERSION 0x06020000)
 222     SET(_WIN32_WINNT 0x0602)
 223     SET(WINVER 0x0602)
 224   ELSEIF(WINDOWS_VERSION STREQUAL "WIN7")
 225     SET(NTDDI_VERSION 0x06010000)
 226     SET(_WIN32_WINNT 0x0601)
 227     SET(WINVER 0x0601)
 228   ELSEIF(WINDOWS_VERSION STREQUAL "WS08")
 229     SET(NTDDI_VERSION 0x06000100)
 230     SET(_WIN32_WINNT 0x0600)
 231     SET(WINVER 0x0600)
 232   ELSEIF(WINDOWS_VERSION STREQUAL "VISTA")
 233     SET(NTDDI_VERSION 0x06000000)
 234     SET(_WIN32_WINNT 0x0600)
 235     SET(WINVER 0x0600)
 236   ELSEIF(WINDOWS_VERSION STREQUAL "WS03")
 237     SET(NTDDI_VERSION 0x05020000)
 238     SET(_WIN32_WINNT 0x0502)
 239     SET(WINVER 0x0502)
 240   ELSEIF(WINDOWS_VERSION STREQUAL "WINXP")
 241     SET(NTDDI_VERSION 0x05010000)
 242     SET(_WIN32_WINNT 0x0501)
 243     SET(WINVER 0x0501)
 244   ELSE(WINDOWS_VERSION STREQUAL "WIN8")
 245     # Default to Windows Server 2003 API if we don't recognize the specifier
 246     SET(NTDDI_VERSION 0x05020000)
 247     SET(_WIN32_WINNT 0x0502)
 248     SET(WINVER 0x0502)
 249   ENDIF(WINDOWS_VERSION STREQUAL "WIN8")
 250 ENDIF(WIN32)
 251
 252 IF(MSVC)
 253   IF(ENABLE_SAFESEH STREQUAL "YES")
 254     SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /SAFESEH")
 255     SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH")
 256     SET(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} /SAFESEH")
 257     SET(ENV{LDFLAGS} "$ENV{LDFLAGS} /SAFESEH")
 258   ELSEIF(ENABLE_SAFESEH STREQUAL "NO")
 259     SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /SAFESEH:NO")
 260     SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH:NO")
 261     SET(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} /SAFESEH:NO")
 262     SET(ENV{LDFLAGS} "$ENV{LDFLAGS} /SAFESEH:NO")
 263   ENDIF(ENABLE_SAFESEH STREQUAL "YES")
 264 ENDIF(MSVC)
 265
 266 IF("${CMAKE_C_PLATFORM_ID}" MATCHES "^(HP-UX)$")
 267   ADD_DEFINITIONS(-D_XOPEN_SOURCE=500) # Ask wchar.h for mbstate_t
 268 ENDIF()
 269
 270 #
 271 INCLUDE(CheckCSourceCompiles)
 272 INCLUDE(CheckCSourceRuns)
 273 INCLUDE(CheckFileOffsetBits)
 274 INCLUDE(CheckFuncs)
 275 INCLUDE(CheckHeaderDirent)
 276 INCLUDE(CheckIncludeFile)
 277 INCLUDE(CheckIncludeFiles)
 278 INCLUDE(CheckLibraryExists)
 279 INCLUDE(CheckStructHasMember)
 280 INCLUDE(CheckSymbolExists)
 281 INCLUDE(CheckTypeExists)
 282 INCLUDE(CheckTypeSize)
 283
 284 #
 285 # Generate list.h
 286 #
 287 MACRO (GENERATE_LIST_H _listfile _cmlist __list_sources)
 288   SET(_argv ${ARGV})
 289   # Remove _listfile and _cmlist from _argv
 290   LIST(REMOVE_AT _argv 0 1)
 291   IF (NOT EXISTS "${_listfile}" OR
 292      ${_cmlist} IS_NEWER_THAN "${_listfile}")
 293
 294     MESSAGE(STATUS "Generating ${_listfile}")
 295     FILE(WRITE ${_listfile} "")
 296     FOREACH (testfile ${_argv})
 297       IF (testfile MATCHES "^test_[^/]+[.]c$")
 298         FILE(STRINGS ${testfile} testvar REGEX "^DEFINE_TEST")
 299         FOREACH (deftest ${testvar})
 300           FILE(APPEND ${_listfile} "${deftest}\n")
 301         ENDFOREACH (deftest)
 302       ENDIF (testfile MATCHES "^test_[^/]+[.]c$")
 303     ENDFOREACH (testfile)
 304
 305   ENDIF (NOT EXISTS "${_listfile}" OR
 306      ${_cmlist} IS_NEWER_THAN "${_listfile}")
 307 ENDMACRO (GENERATE_LIST_H)
 308 #
 309 # Generate installation rules for man pages.
 310 #
 311 MACRO (INSTALL_MAN __mans)
 312   FOREACH (_man ${ARGV})
 313     STRING(REGEX REPLACE "^.+[.]([1-9])" "\\1" _mansect ${_man})
 314     INSTALL(FILES ${_man} DESTINATION "share/man/man${_mansect}")
 315   ENDFOREACH (_man)
 316 ENDMACRO (INSTALL_MAN __mans)
 317 #
 318 # Find out what macro is needed to use libraries on Windows.
 319 #
 320 MACRO (TRY_MACRO_FOR_LIBRARY INCLUDES LIBRARIES
 321        TRY_TYPE SAMPLE_SOURCE MACRO_LIST)
 322   IF(WIN32 AND NOT CYGWIN)
 323     CMAKE_PUSH_CHECK_STATE()    # Save the state of the variables
 324     SET(CMAKE_REQUIRED_INCLUDES ${INCLUDES})
 325     SET(CMAKE_REQUIRED_LIBRARIES ${LIBRARIES})
 326     FOREACH(VAR ${MACRO_LIST})
 327       # Clear ${VAR} from CACHE If the libraries which ${VAR} was
 328       # checked with are changed.
 329       SET(VAR_WITH_LIB "${VAR}_WITH_LIB")
 330       GET_PROPERTY(PREV_VAR_WITH_LIB VARIABLE PROPERTY ${VAR_WITH_LIB})
 331       IF(NOT "${PREV_VAR_WITH_LIB}" STREQUAL "${LIBRARIES}")
 332         UNSET(${VAR} CACHE)
 333       ENDIF(NOT "${PREV_VAR_WITH_LIB}" STREQUAL "${LIBRARIES}")
 334       # Check if the library can be used with the macro.
 335       IF("${TRY_TYPE}" MATCHES "COMPILES")
 336         CHECK_C_SOURCE_COMPILES("${SAMPLE_SOURCE}" ${VAR})
 337       ELSEIF("${TRY_TYPE}" MATCHES "RUNS")
 338         CHECK_C_SOURCE_RUNS("${SAMPLE_SOURCE}" ${VAR})
 339       ELSE("${TRY_TYPE}" MATCHES "COMPILES")
 340         MESSAGE(FATAL_ERROR "UNKNOWN KEYWORD \"${TRY_TYPE}\" FOR TRY_TYPE")
 341       ENDIF("${TRY_TYPE}" MATCHES "COMPILES")
 342       # Save the libraries which ${VAR} is checked with.
 343       SET(${VAR_WITH_LIB} "${LIBRARIES}" CACHE INTERNAL
 344           "Macro ${VAR} is checked with")
 345     ENDFOREACH(VAR)
 346     CMAKE_POP_CHECK_STATE()     # Restore the state of the variables
 347   ENDIF(WIN32 AND NOT CYGWIN)
 348 ENDMACRO (TRY_MACRO_FOR_LIBRARY)
 349 #
 350 # Check compress/decompress libraries
 351 #
 352 IF(WIN32 AND NOT CMAKE_CL_64 AND NOT CYGWIN)
 353   # GnuWin32 is only for Win32, not Win64.
 354   SET(__GNUWIN32PATH "C:/Program Files/GnuWin32")
 355 ENDIF(WIN32 AND NOT CMAKE_CL_64 AND NOT CYGWIN)
 356 IF(DEFINED __GNUWIN32PATH AND EXISTS "${__GNUWIN32PATH}")
 357   # You have to add a path availabel DLL file into PATH environment variable.
 358   # Maybe DLL path is "C:/Program Files/GnuWin32/bin".
 359   # The zlib and the bzip2 Setup program have installed programs and DLLs into
 360   # "C:/Program Files/GnuWin32" by default.
 361   # This is convenience setting for Windows.
 362   SET(CMAKE_PREFIX_PATH ${__GNUWIN32PATH} $(CMAKE_PREFIX_PATH))
 363   #
 364   # If you didn't use Setup program or installed into nonstandard path,
 365   # cmake cannot find out your zlib or bzip2 libraries and include files,
 366   # you should execute cmake with  -DCMAKE_PREFIX_PATH option.
 367   #   e.g.
 368   #     cmake -DCMAKE_PREFIX_PATH=<your-GnuWin32-path> <path-to-source>
 369   #
 370   # If compiling error occurred in zconf.h, You may need patch to zconf.h.
 371   #--- zconf.h.orig     2005-07-21 00:40:26.000000000
 372   #+++ zconf.h  2009-01-19 11:39:10.093750000
 373   #@@ -286,7 +286,7 @@
 374   #
 375   # #if 1           /* HAVE_UNISTD_H -- this line is updated by ./configure */
 376   # #  include <sys/types.h> /* for off_t */
 377   #-#  include <unistd.h>    /* for SEEK_* and off_t */
 378   #+#  include <stdio.h>    /* for SEEK_* and off_t */
 379   # #  ifdef VMS
 380   # #    include <unixio.h>   /* for off_t */
 381   # #  endif
 382 ENDIF(DEFINED __GNUWIN32PATH AND EXISTS "${__GNUWIN32PATH}")
 383
 384 SET(ADDITIONAL_LIBS "")
 385 #
 386 # Find ZLIB
 387 #
 388 IF(ENABLE_ZLIB)
 389   FIND_PACKAGE(ZLIB)
 390 ELSE()
 391   SET(ZLIB_FOUND FALSE) # Override cached value
 392 ENDIF()
 393 IF(ZLIB_FOUND)
 394   SET(HAVE_LIBZ 1)
 395   SET(HAVE_ZLIB_H 1)
 396   INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
 397   LIST(APPEND ADDITIONAL_LIBS ${ZLIB_LIBRARIES})
 398   IF(WIN32 AND NOT CYGWIN)
 399     #
 400     # Test if ZLIB_WINAPI macro is needed to use.
 401     #
 402     TRY_MACRO_FOR_LIBRARY(
 403       "${ZLIB_INCLUDE_DIR}" "${ZLIB_LIBRARIES}"
 404       RUNS
 405       "#include <zlib.h>\nint main() {uLong f = zlibCompileFlags(); return (f&(1U<<10))?0:-1; }"
 406       ZLIB_WINAPI)
 407     IF(ZLIB_WINAPI)
 408       ADD_DEFINITIONS(-DZLIB_WINAPI)
 409     ELSE(ZLIB_WINAPI)
 410       # Test if a macro is needed for the library.
 411       TRY_MACRO_FOR_LIBRARY(
 412         "${ZLIB_INCLUDE_DIR}" "${ZLIB_LIBRARIES}"
 413         COMPILES
 414         "#include <zlib.h>\nint main() {return zlibVersion()?1:0; }"
 415         "ZLIB_DLL;WITHOUT_ZLIB_DLL")
 416       IF(ZLIB_DLL)
 417         ADD_DEFINITIONS(-DZLIB_DLL)
 418       ENDIF(ZLIB_DLL)
 419     ENDIF(ZLIB_WINAPI)
 420   ENDIF(WIN32 AND NOT CYGWIN)
 421 ENDIF(ZLIB_FOUND)
 422 MARK_AS_ADVANCED(CLEAR ZLIB_INCLUDE_DIR)
 423 MARK_AS_ADVANCED(CLEAR ZLIB_LIBRARY)
 424 #
 425 # Find BZip2
 426 #
 427 IF(ENABLE_BZip2)
 428   FIND_PACKAGE(BZip2)
 429 ELSE()
 430   SET(BZIP2_FOUND FALSE) # Override cached value
 431 ENDIF()
 432 IF(BZIP2_FOUND)
 433   SET(HAVE_LIBBZ2 1)
 434   SET(HAVE_BZLIB_H 1)
 435   INCLUDE_DIRECTORIES(${BZIP2_INCLUDE_DIR})
 436   LIST(APPEND ADDITIONAL_LIBS ${BZIP2_LIBRARIES})
 437   # Test if a macro is needed for the library.
 438   TRY_MACRO_FOR_LIBRARY(
 439     "${BZIP2_INCLUDE_DIR}" "${BZIP2_LIBRARIES}"
 440     COMPILES
 441     "#include <bzlib.h>\nint main() {return BZ2_bzlibVersion()?1:0; }"
 442     "USE_BZIP2_DLL;USE_BZIP2_STATIC")
 443   IF(USE_BZIP2_DLL)
 444     ADD_DEFINITIONS(-DUSE_BZIP2_DLL)
 445   ELSEIF(USE_BZIP2_STATIC)
 446     ADD_DEFINITIONS(-DUSE_BZIP2_STATIC)
 447   ENDIF(USE_BZIP2_DLL)
 448 ENDIF(BZIP2_FOUND)
 449 MARK_AS_ADVANCED(CLEAR BZIP2_INCLUDE_DIR)
 450 MARK_AS_ADVANCED(CLEAR BZIP2_LIBRARIES)
 451
 452
 453 #
 454 # Find LZMA
 455 #
 456 IF(ENABLE_LZMA)
 457   FIND_PACKAGE(LibLZMA)
 458 ELSE()
 459   SET(LIBZMA_FOUND FALSE) # Override cached value
 460 ENDIF()
 461
 462 IF(LIBLZMA_FOUND)
 463   SET(HAVE_LIBLZMA 1)
 464   SET(HAVE_LZMA_H 1)
 465   SET(CMAKE_REQUIRED_INCLUDES ${LIBLZMA_INCLUDE_DIR})
 466   SET(CMAKE_REQUIRED_LIBRARIES ${LIBLZMA_LIBRARIES})
 467   INCLUDE_DIRECTORIES(${LIBLZMA_INCLUDE_DIRS})
 468   LIST(APPEND ADDITIONAL_LIBS ${LIBLZMA_LIBRARIES})
 469   # Test if a macro is needed for the library.
 470   TRY_MACRO_FOR_LIBRARY(
 471     "${LIBLZMA_INCLUDE_DIRS}" "${LIBLZMA_LIBRARIES}"
 472     COMPILES
 473     "#include <lzma.h>\nint main() {return (int)lzma_version_number(); }"
 474     "WITHOUT_LZMA_API_STATIC;LZMA_API_STATIC")
 475   IF(NOT WITHOUT_LZMA_API_STATIC AND LZMA_API_STATIC)
 476     ADD_DEFINITIONS(-DLZMA_API_STATIC)
 477   ENDIF(NOT WITHOUT_LZMA_API_STATIC AND LZMA_API_STATIC)
 478 ELSE(LIBLZMA_FOUND)
 479 # LZMA not found and will not be used.
 480 ENDIF(LIBLZMA_FOUND)
 481 #
 482 # Find LZO2
 483 #
 484 IF(ENABLE_LZO)
 485   IF (LZO2_INCLUDE_DIR)
 486     # Already in cache, be silent
 487     SET(LZO2_FIND_QUIETLY TRUE)
 488   ENDIF (LZO2_INCLUDE_DIR)
 489
 490   FIND_PATH(LZO2_INCLUDE_DIR lzo/lzoconf.h)
 491   FIND_LIBRARY(LZO2_LIBRARY NAMES lzo2 liblzo2)
 492   INCLUDE(FindPackageHandleStandardArgs)
 493   FIND_PACKAGE_HANDLE_STANDARD_ARGS(LZO2 DEFAULT_MSG LZO2_LIBRARY LZO2_INCLUDE_DIR)
 494 ELSE(ENABLE_LZO)
 495   SET(LIBZMA_FOUND FALSE) # Override cached value
 496 ENDIF(ENABLE_LZO)
 497 IF(LZO2_FOUND)
 498   SET(HAVE_LIBLZO2 1)
 499   SET(HAVE_LZO_LZOCONF_H 1)
 500   SET(HAVE_LZO_LZO1X_H 1)
 501   INCLUDE_DIRECTORIES(${LZO2_INCLUDE_DIR})
 502   LIST(APPEND ADDITIONAL_LIBS ${LZO2_LIBRARY})
 503   #
 504   # TODO: test for static library.
 505   #
 506 ENDIF(LZO2_FOUND)
 507 MARK_AS_ADVANCED(CLEAR LZO2_INCLUDE_DIR)
 508 MARK_AS_ADVANCED(CLEAR LZO2_LIBRARY)
 509 #
 510 # Find LZ4
 511 #
 512 IF (LZ4_INCLUDE_DIR)
 513   # Already in cache, be silent
 514   SET(LZ4_FIND_QUIETLY TRUE)
 515 ENDIF (LZ4_INCLUDE_DIR)
 516
 517 FIND_PATH(LZ4_INCLUDE_DIR lz4.h)
 518 FIND_LIBRARY(LZ4_LIBRARY NAMES lz4 liblz4)
 519 INCLUDE(FindPackageHandleStandardArgs)
 520 FIND_PACKAGE_HANDLE_STANDARD_ARGS(LZ4 DEFAULT_MSG LZ4_LIBRARY LZ4_INCLUDE_DIR)
 521 IF(LZ4_FOUND)
 522   SET(HAVE_LIBLZ4 1)
 523   SET(HAVE_LZ4_H 1)
 524   CMAKE_PUSH_CHECK_STATE()      # Save the state of the variables
 525   SET(CMAKE_REQUIRED_INCLUDES ${LZ4_INCLUDE_DIR})
 526   CHECK_INCLUDE_FILES("lz4hc.h" HAVE_LZ4HC_H)
 527   CMAKE_POP_CHECK_STATE()       # Restore the state of the variables
 528   INCLUDE_DIRECTORIES(${LZ4_INCLUDE_DIR})
 529   LIST(APPEND ADDITIONAL_LIBS ${LZ4_LIBRARY})
 530   #
 531   # TODO: test for static library.
 532   #
 533 ENDIF(LZ4_FOUND)
 534 MARK_AS_ADVANCED(CLEAR LZ4_INCLUDE_DIR)
 535 MARK_AS_ADVANCED(CLEAR LZ4_LIBRARY)
 536 #
 537 # Find Zstd
 538 #
 539 IF (ZSTD_INCLUDE_DIR)
 540   # Already in cache, be silent
 541   SET(ZSTD_FIND_QUIETLY TRUE)
 542 ENDIF (ZSTD_INCLUDE_DIR)
 543
 544 FIND_PATH(ZSTD_INCLUDE_DIR zstd.h)
 545 FIND_LIBRARY(ZSTD_LIBRARY NAMES zstd libzstd)
 546 INCLUDE(FindPackageHandleStandardArgs)
 547 FIND_PACKAGE_HANDLE_STANDARD_ARGS(ZSTD DEFAULT_MSG ZSTD_LIBRARY ZSTD_INCLUDE_DIR)
 548 IF(ZSTD_FOUND)
 549   SET(HAVE_LIBZSTD 1)
 550   SET(HAVE_ZSTD_H 1)
 551   INCLUDE_DIRECTORIES(${ZSTD_INCLUDE_DIR})
 552   LIST(APPEND ADDITIONAL_LIBS ${ZSTD_LIBRARY})
 553   #
 554   # TODO: test for static library.
 555   #
 556 ENDIF(ZSTD_FOUND)
 557 MARK_AS_ADVANCED(CLEAR ZSTD_INCLUDE_DIR)
 558 MARK_AS_ADVANCED(CLEAR ZSTD_LIBRARY)
 559
 560 #
 561 # Check headers
 562 #
 563 CHECK_HEADER_DIRENT()
 564
 565 SET(INCLUDES "")
 566 MACRO (LA_CHECK_INCLUDE_FILE header var)
 567       CHECK_INCLUDE_FILES("${INCLUDES};${header}" ${var})
 568       IF (${var})
 569          SET(INCLUDES ${INCLUDES} ${header})
 570       ENDIF (${var})
 571 ENDMACRO (LA_CHECK_INCLUDE_FILE)
 572
 573 # Some FreeBSD headers assume sys/types.h was already included.
 574 LA_CHECK_INCLUDE_FILE("sys/types.h" HAVE_SYS_TYPES_H)
 575
 576 # Alphabetize the rest unless there's a compelling reason
 577 LA_CHECK_INCLUDE_FILE("acl/libacl.h" HAVE_ACL_LIBACL_H)
 578 LA_CHECK_INCLUDE_FILE("attr/xattr.h" HAVE_ATTR_XATTR_H)
 579 LA_CHECK_INCLUDE_FILE("ctype.h" HAVE_CTYPE_H)
 580 LA_CHECK_INCLUDE_FILE("copyfile.h" HAVE_COPYFILE_H)
 581 LA_CHECK_INCLUDE_FILE("direct.h" HAVE_DIRECT_H)
 582 LA_CHECK_INCLUDE_FILE("dlfcn.h" HAVE_DLFCN_H)
 583 LA_CHECK_INCLUDE_FILE("errno.h" HAVE_ERRNO_H)
 584 LA_CHECK_INCLUDE_FILE("ext2fs/ext2_fs.h" HAVE_EXT2FS_EXT2_FS_H)
 585
 586 CHECK_C_SOURCE_COMPILES("#include <sys/ioctl.h>
 587 #include <ext2fs/ext2_fs.h>
 588 int main(void) { return EXT2_IOC_GETFLAGS; }" HAVE_WORKING_EXT2_IOC_GETFLAGS)
 589
 590 LA_CHECK_INCLUDE_FILE("fcntl.h" HAVE_FCNTL_H)
 591 LA_CHECK_INCLUDE_FILE("grp.h" HAVE_GRP_H)
 592 LA_CHECK_INCLUDE_FILE("inttypes.h" HAVE_INTTYPES_H)
 593 LA_CHECK_INCLUDE_FILE("io.h" HAVE_IO_H)
 594 LA_CHECK_INCLUDE_FILE("langinfo.h" HAVE_LANGINFO_H)
 595 LA_CHECK_INCLUDE_FILE("limits.h" HAVE_LIMITS_H)
 596 LA_CHECK_INCLUDE_FILE("linux/types.h" HAVE_LINUX_TYPES_H)
 597 LA_CHECK_INCLUDE_FILE("linux/fiemap.h" HAVE_LINUX_FIEMAP_H)
 598 LA_CHECK_INCLUDE_FILE("linux/fs.h" HAVE_LINUX_FS_H)
 599
 600 CHECK_C_SOURCE_COMPILES("#include <sys/ioctl.h>
 601 #include <linux/fs.h>
 602 int main(void) { return FS_IOC_GETFLAGS; }" HAVE_WORKING_FS_IOC_GETFLAGS)
 603
 604 LA_CHECK_INCLUDE_FILE("linux/magic.h" HAVE_LINUX_MAGIC_H)
 605 LA_CHECK_INCLUDE_FILE("locale.h" HAVE_LOCALE_H)
 606 LA_CHECK_INCLUDE_FILE("membership.h" HAVE_MEMBERSHIP_H)
 607 LA_CHECK_INCLUDE_FILE("memory.h" HAVE_MEMORY_H)
 608 LA_CHECK_INCLUDE_FILE("paths.h" HAVE_PATHS_H)
 609 LA_CHECK_INCLUDE_FILE("poll.h" HAVE_POLL_H)
 610 LA_CHECK_INCLUDE_FILE("process.h" HAVE_PROCESS_H)
 611 LA_CHECK_INCLUDE_FILE("pthread.h" HAVE_PTHREAD_H)
 612 LA_CHECK_INCLUDE_FILE("pwd.h" HAVE_PWD_H)
 613 LA_CHECK_INCLUDE_FILE("readpassphrase.h" HAVE_READPASSPHRASE_H)
 614 LA_CHECK_INCLUDE_FILE("regex.h" HAVE_REGEX_H)
 615 LA_CHECK_INCLUDE_FILE("signal.h" HAVE_SIGNAL_H)
 616 LA_CHECK_INCLUDE_FILE("spawn.h" HAVE_SPAWN_H)
 617 LA_CHECK_INCLUDE_FILE("stdarg.h" HAVE_STDARG_H)
 618 LA_CHECK_INCLUDE_FILE("stdint.h" HAVE_STDINT_H)
 619 LA_CHECK_INCLUDE_FILE("stdlib.h" HAVE_STDLIB_H)
 620 LA_CHECK_INCLUDE_FILE("string.h" HAVE_STRING_H)
 621 LA_CHECK_INCLUDE_FILE("strings.h" HAVE_STRINGS_H)
 622 LA_CHECK_INCLUDE_FILE("sys/acl.h" HAVE_SYS_ACL_H)
 623 LA_CHECK_INCLUDE_FILE("sys/cdefs.h" HAVE_SYS_CDEFS_H)
 624 LA_CHECK_INCLUDE_FILE("sys/extattr.h" HAVE_SYS_EXTATTR_H)
 625 LA_CHECK_INCLUDE_FILE("sys/ioctl.h" HAVE_SYS_IOCTL_H)
 626 LA_CHECK_INCLUDE_FILE("sys/mkdev.h" HAVE_SYS_MKDEV_H)
 627 LA_CHECK_INCLUDE_FILE("sys/mount.h" HAVE_SYS_MOUNT_H)
 628 LA_CHECK_INCLUDE_FILE("sys/param.h" HAVE_SYS_PARAM_H)
 629 LA_CHECK_INCLUDE_FILE("sys/poll.h" HAVE_SYS_POLL_H)
 630 LA_CHECK_INCLUDE_FILE("sys/richacl.h" HAVE_SYS_RICHACL_H)
 631 LA_CHECK_INCLUDE_FILE("sys/select.h" HAVE_SYS_SELECT_H)
 632 LA_CHECK_INCLUDE_FILE("sys/stat.h" HAVE_SYS_STAT_H)
 633 LA_CHECK_INCLUDE_FILE("sys/statfs.h" HAVE_SYS_STATFS_H)
 634 LA_CHECK_INCLUDE_FILE("sys/statvfs.h" HAVE_SYS_STATVFS_H)
 635 LA_CHECK_INCLUDE_FILE("sys/time.h" HAVE_SYS_TIME_H)
 636 LA_CHECK_INCLUDE_FILE("sys/utime.h" HAVE_SYS_UTIME_H)
 637 LA_CHECK_INCLUDE_FILE("sys/utsname.h" HAVE_SYS_UTSNAME_H)
 638 LA_CHECK_INCLUDE_FILE("sys/vfs.h" HAVE_SYS_VFS_H)
 639 LA_CHECK_INCLUDE_FILE("sys/wait.h" HAVE_SYS_WAIT_H)
 640 LA_CHECK_INCLUDE_FILE("sys/xattr.h" HAVE_SYS_XATTR_H)
 641 LA_CHECK_INCLUDE_FILE("time.h" HAVE_TIME_H)
 642 LA_CHECK_INCLUDE_FILE("unistd.h" HAVE_UNISTD_H)
 643 LA_CHECK_INCLUDE_FILE("utime.h" HAVE_UTIME_H)
 644 LA_CHECK_INCLUDE_FILE("wchar.h" HAVE_WCHAR_H)
 645 LA_CHECK_INCLUDE_FILE("wctype.h" HAVE_WCTYPE_H)
 646 LA_CHECK_INCLUDE_FILE("windows.h" HAVE_WINDOWS_H)
 647 IF(ENABLE_CNG)
 648   LA_CHECK_INCLUDE_FILE("Bcrypt.h" HAVE_BCRYPT_H)
 649   IF(HAVE_BCRYPT_H)
 650     LIST(APPEND ADDITIONAL_LIBS "Bcrypt")
 651   ENDIF(HAVE_BCRYPT_H)
 652 ELSE(ENABLE_CNG)
 653   UNSET(HAVE_BCRYPT_H CACHE)
 654 ENDIF(ENABLE_CNG)
 655 # Following files need windows.h, so we should test it after windows.h test.
 656 LA_CHECK_INCLUDE_FILE("wincrypt.h" HAVE_WINCRYPT_H)
 657 LA_CHECK_INCLUDE_FILE("winioctl.h" HAVE_WINIOCTL_H)
 658
 659 #
 660 # Check whether use of __EXTENSIONS__ is safe.
 661 # We need some macro such as _GNU_SOURCE to use extension functions.
 662 #
 663 SET(_INCLUDE_FILES)
 664 FOREACH (it ${_HEADER})
 665    SET(_INCLUDE_FILES "${_INCLUDE_FILES}#include <${it}>\n")
 666 ENDFOREACH (it)
 667
 668 CHECK_C_SOURCE_COMPILES(
 669   "#define __EXTENSIONS__ 1
 670    ${_INCLUDE_FILES}
 671    int main() { return 0;}"
 672  SAFE_TO_DEFINE_EXTENSIONS)
 673
 674 #
 675 # Find Nettle
 676 #
 677 IF(ENABLE_NETTLE)
 678   FIND_PACKAGE(Nettle)
 679   IF(NETTLE_FOUND)
 680     SET(HAVE_LIBNETTLE 1)
 681     LIST(APPEND ADDITIONAL_LIBS ${NETTLE_LIBRARIES})
 682     INCLUDE_DIRECTORIES(${NETTLE_INCLUDE_DIR})
 683
 684     LIST(APPEND CMAKE_REQUIRED_INCLUDES ${NETTLE_INCLUDE_DIR})
 685     LA_CHECK_INCLUDE_FILE("nettle/aes.h" HAVE_NETTLE_AES_H)
 686     LA_CHECK_INCLUDE_FILE("nettle/hmac.h" HAVE_NETTLE_HMAC_H)
 687     LA_CHECK_INCLUDE_FILE("nettle/md5.h" HAVE_NETTLE_MD5_H)
 688     LA_CHECK_INCLUDE_FILE("nettle/pbkdf2.h" HAVE_NETTLE_PBKDF2_H)
 689     LA_CHECK_INCLUDE_FILE("nettle/ripemd160.h" HAVE_NETTLE_RIPEMD160_H)
 690     LA_CHECK_INCLUDE_FILE("nettle/sha.h" HAVE_NETTLE_SHA_H)
 691
 692   ENDIF(NETTLE_FOUND)
 693   MARK_AS_ADVANCED(CLEAR NETTLE_INCLUDE_DIR)
 694   MARK_AS_ADVANCED(CLEAR NETTLE_LIBRARIES)
 695 ENDIF(ENABLE_NETTLE)
 696
 697 #
 698 # Find OpenSSL
 699 # (Except on Mac, where OpenSSL is deprecated.)
 700 #
 701 IF(ENABLE_OPENSSL AND NOT CMAKE_SYSTEM_NAME MATCHES "Darwin")
 702   FIND_PACKAGE(OpenSSL)
 703   IF(OPENSSL_FOUND)
 704     SET(HAVE_LIBCRYPTO 1)
 705     INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
 706     LIST(APPEND ADDITIONAL_LIBS ${OPENSSL_CRYPTO_LIBRARY})
 707   ENDIF(OPENSSL_FOUND)
 708 ELSE()
 709   SET(OPENSSL_FOUND FALSE) # Override cached value
 710 ENDIF()
 711
 712 # FreeBSD libmd
 713 IF(NOT OPENSSL_FOUND)
 714   CHECK_LIBRARY_EXISTS(md "MD5Init" "" LIBMD_FOUND)
 715   IF(LIBMD_FOUND)
 716     CMAKE_PUSH_CHECK_STATE()    # Save the state of the variables
 717     SET(CMAKE_REQUIRED_LIBRARIES "md")
 718     FIND_LIBRARY(LIBMD_LIBRARY NAMES md)
 719     LIST(APPEND ADDITIONAL_LIBS ${LIBMD_LIBRARY})
 720     CMAKE_POP_CHECK_STATE()     # Restore the state of the variables
 721   ENDIF(LIBMD_FOUND)
 722 ENDIF(NOT OPENSSL_FOUND)
 723
 724 #
 725 # How to prove that CRYPTO functions, which have several names on various
 726 # platforms, just see if archive_digest.c can compile and link against
 727 # required libraries.
 728 #
 729 MACRO(CHECK_CRYPTO ALGORITHMS IMPLEMENTATION)
 730     FOREACH(ALGORITHM ${ALGORITHMS})
 731       IF(NOT ARCHIVE_CRYPTO_${ALGORITHM})
 732       STRING(TOLOWER "${ALGORITHM}" lower_algorithm)
 733       STRING(TOUPPER "${ALGORITHM}" algorithm)
 734       IF ("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND NOT OPENSSL_FOUND)
 735         SET(ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} FALSE)
 736       ELSEIF("${IMPLEMENTATION}" MATCHES "^NETTLE$" AND NOT NETTLE_FOUND)
 737         SET(ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} FALSE)
 738       ENDIF("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND NOT OPENSSL_FOUND)
 739
 740       IF(NOT DEFINED ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 741         # Probe the local implementation for whether this
 742         # crypto implementation is available on this platform.
 743         SET(TRY_CRYPTO_REQUIRED_INCLUDES
 744           "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}/libarchive;${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp")
 745         SET(TRY_CRYPTO_REQUIRED_LIBS)
 746         IF ("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND OPENSSL_FOUND)
 747             SET(TRY_CRYPTO_REQUIRED_INCLUDES
 748               "${TRY_CRYPTO_REQUIRED_INCLUDES};${OPENSSL_INCLUDE_DIR}")
 749             SET(TRY_CRYPTO_REQUIRED_LIBS
 750                 "-DLINK_LIBRARIES:STRING=${OPENSSL_LIBRARIES}")
 751         ELSEIF("${IMPLEMENTATION}" MATCHES "^NETTLE$" AND NETTLE_FOUND)
 752             SET(TRY_CRYPTO_REQUIRED_INCLUDES
 753               "${TRY_CRYPTO_REQUIRED_INCLUDES};${NETTLE_INCLUDE_DIR}")
 754             SET(TRY_CRYPTO_REQUIRED_LIBS
 755                 "-DLINK_LIBRARIES:STRING=${NETTLE_LIBRARY}")
 756         ELSEIF("${IMPLEMENTATION}" MATCHES "^LIBMD$" AND LIBMD_FOUND)
 757             SET(TRY_CRYPTO_REQUIRED_LIBS
 758                 "-DLINK_LIBRARIES:STRING=${LIBMD_LIBRARY}")
 759         ENDIF("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND OPENSSL_FOUND)
 760
 761     CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/build/cmake/config.h.in
 762       ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/confdefs.h)
 763         FILE(READ "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/confdefs.h"
 764              CONFDEFS_H)
 765         FILE(READ "${CMAKE_CURRENT_SOURCE_DIR}/libarchive/archive_digest.c"
 766              ARCHIVE_CRYPTO_C)
 767
 768         SET(SOURCE "${CONFDEFS_H}
 769
 770 #define ARCHIVE_${algorithm}_COMPILE_TEST
 771 #define ARCHIVE_CRYPTO_${algorithm}_${IMPLEMENTATION}
 772 #define PLATFORM_CONFIG_H \"check_crypto_md.h\"
 773
 774 ${ARCHIVE_CRYPTO_C}
 775
 776 int
 777 main(int argc, char **argv)
 778 {
 779   archive_${lower_algorithm}_ctx ctx;
 780   archive_${lower_algorithm}_init(&ctx);
 781   archive_${lower_algorithm}_update(&ctx, *argv, argc);
 782   archive_${lower_algorithm}_final(&ctx, NULL);
 783   return 0;
 784 }
 785 ")
 786
 787   FILE(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_crypto_md.h" "")
 788         FILE(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_crypto_md.c" "${SOURCE}")
 789         MESSAGE(STATUS "Checking support for ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION}")
 790
 791         TRY_COMPILE(ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION}
 792           ${CMAKE_BINARY_DIR}
 793           ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_crypto_md.c
 794           CMAKE_FLAGS
 795            "${TRY_CRYPTO_REQUIRED_LIBS}"
 796            "${TRY_CRYPTO_REQUIRED_INCLUDES}"
 797           OUTPUT_VARIABLE OUTPUT)
 798
 799         # Inform user whether or not we found it; if not, log why we didn't.
 800         IF (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 801           MESSAGE(STATUS "Checking support for ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} -- found")
 802                   SET(ARCHIVE_CRYPTO_${ALGORITHM} 1)
 803         ELSE (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 804           MESSAGE(STATUS "Checking support for ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} -- not found")
 805           FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
 806             "Checking support for ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} failed with the following output:\n"
 807             "${OUTPUT}\n"
 808             "Source file was:\n${SOURCE}\n")
 809         ENDIF (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 810       ENDIF(NOT DEFINED ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 811
 812       # Add appropriate libs/includes depending on whether the implementation
 813       # was found on this platform.
 814       IF (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 815         IF ("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND OPENSSL_FOUND)
 816           INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
 817           LIST(APPEND ADDITIONAL_LIBS ${OPENSSL_LIBRARIES})
 818            LIST(REMOVE_DUPLICATES ADDITIONAL_LIBS)
 819         ENDIF ("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND OPENSSL_FOUND)
 820       ENDIF (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 821       ENDIF(NOT ARCHIVE_CRYPTO_${ALGORITHM})
 822     ENDFOREACH(ALGORITHM ${ALGORITHMS})
 823 ENDMACRO(CHECK_CRYPTO ALGORITHMS IMPLEMENTATION)
 824
 825 #
 826 # CRYPTO functions on Windows is defined at archive_windows.c, thus we do not
 827 # need the test what the functions can be mapped to archive_{crypto name}_init,
 828 # archive_{crypto name}_update and archive_{crypto name}_final.
 829 # The functions on Windows use CALG_{crypto name} macro to create a crypt object
 830 # and then we need to know what CALG_{crypto name} macros is available to show
 831 # ARCHIVE_CRYPTO_{crypto name}_WIN macros because Windows 2000 and earlier version
 832 # of Windows XP do not support SHA256, SHA384 and SHA512.
 833 #
 834 MACRO(CHECK_CRYPTO_WIN CRYPTO_LIST)
 835   IF(WIN32 AND NOT CYGWIN)
 836     FOREACH(CRYPTO ${CRYPTO_LIST})
 837       IF(NOT ARCHIVE_CRYPTO_${CRYPTO})
 838       IF(NOT DEFINED ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 839         STRING(TOUPPER "${CRYPTO}" crypto)
 840         SET(ALGID "")
 841         IF ("${CRYPTO}" MATCHES "^MD5$")
 842             SET(ALGID "CALG_MD5")
 843         ENDIF ("${CRYPTO}" MATCHES "^MD5$")
 844         IF ("${CRYPTO}" MATCHES "^SHA1$")
 845             SET(ALGID "CALG_SHA1")
 846         ENDIF ("${CRYPTO}" MATCHES "^SHA1$")
 847         IF ("${CRYPTO}" MATCHES "^SHA256$")
 848             SET(ALGID "CALG_SHA_256")
 849         ENDIF ("${CRYPTO}" MATCHES "^SHA256$")
 850         IF ("${CRYPTO}" MATCHES "^SHA384$")
 851             SET(ALGID "CALG_SHA_384")
 852         ENDIF ("${CRYPTO}" MATCHES "^SHA384$")
 853         IF ("${CRYPTO}" MATCHES "^SHA512$")
 854             SET(ALGID "CALG_SHA_512")
 855         ENDIF ("${CRYPTO}" MATCHES "^SHA512$")
 856
 857     CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/build/cmake/config.h.in
 858       ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/confdefs.h)
 859         FILE(READ "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/confdefs.h"
 860              CONFDEFS_H)
 861
 862         SET(SOURCE "${CONFDEFS_H}
 863
 864 #define ${crypto}_COMPILE_TEST
 865 #include <windows.h>
 866 #include <wincrypt.h>
 867
 868 int
 869 main(int argc, char **argv)
 870 {
 871         return ${ALGID};
 872 }
 873 ")
 874         SET(SOURCE_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_crypto_win.c")
 875
 876         FILE(WRITE "${SOURCE_FILE}" "${SOURCE}")
 877         MESSAGE(STATUS "Checking support for ARCHIVE_CRYPTO_${CRYPTO}_WIN")
 878
 879         TRY_COMPILE(ARCHIVE_CRYPTO_${CRYPTO}_WIN
 880           ${CMAKE_BINARY_DIR}
 881           ${SOURCE_FILE}
 882           CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}/libarchive"
 883           OUTPUT_VARIABLE OUTPUT)
 884
 885         IF (ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 886             MESSAGE(STATUS
 887                 "Checking support for ARCHIVE_CRYPTO_${CRYPTO}_WIN -- found")
 888                 SET(ARCHIVE_CRYPTO_${CRYPTO} 1)
 889         ELSE (ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 890             MESSAGE(STATUS
 891                  "Checking support for ARCHIVE_CRYPTO_${CRYPTO}_WIN -- not found")
 892             FILE(APPEND
 893                 ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
 894                 "Checking support for ARCHIVE_CRYPTO_${CRYPTO}_WIN failed with the following output:\n"
 895                 "${OUTPUT}\n"
 896                 "Source file was:\n${SOURCE}\n")
 897         ENDIF (ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 898
 899       ENDIF(NOT DEFINED ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 900       ENDIF(NOT ARCHIVE_CRYPTO_${CRYPTO})
 901     ENDFOREACH(CRYPTO)
 902   ENDIF(WIN32 AND NOT CYGWIN)
 903 ENDMACRO(CHECK_CRYPTO_WIN CRYPTO_LIST)
 904
 905 #
 906 # Find iconv
 907 # POSIX defines the second arg as const char **
 908 # and requires it to be in libc.  But we can accept
 909 # a non-const argument here and can support iconv()
 910 # being in libiconv.
 911 #
 912 MACRO(CHECK_ICONV LIB TRY_ICONV_CONST)
 913   IF(NOT HAVE_ICONV)
 914     CMAKE_PUSH_CHECK_STATE()    # Save the state of the variables
 915     IF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR
 916         CMAKE_C_COMPILER_ID MATCHES "^Clang$")
 917       #
 918       # During checking iconv proto type, we should use -Werror to avoid the
 919       # success of iconv detection with a warnig which success is a miss
 920       # detection. So this needs for all build mode(even it's a release mode).
 921       #
 922       SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror")
 923     ENDIF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR
 924            CMAKE_C_COMPILER_ID MATCHES "^Clang$")
 925     IF (CMAKE_C_COMPILER_ID MATCHES "^XL$")
 926       SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -qhalt=w -qflag=w:w")
 927     ENDIF (CMAKE_C_COMPILER_ID MATCHES "^XL$")
 928     IF (MSVC)
 929       # NOTE: /WX option is the same as gcc's -Werror option.
 930       SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} /WX")
 931     ENDIF (MSVC)
 932     #
 933     CHECK_C_SOURCE_COMPILES(
 934       "#include <stdlib.h>
 935        #include <iconv.h>
 936        int main() {
 937           ${TRY_ICONV_CONST} char *ccp;
 938           iconv_t cd = iconv_open(\"\", \"\");
 939           iconv(cd, &ccp, (size_t *)0, (char **)0, (size_t *)0);
 940           iconv_close(cd);
 941           return 0;
 942        }"
 943      HAVE_ICONV_${LIB}_${TRY_ICONV_CONST})
 944     IF(HAVE_ICONV_${LIB}_${TRY_ICONV_CONST})
 945       SET(HAVE_ICONV true)
 946       SET(ICONV_CONST ${TRY_ICONV_CONST})
 947     ENDIF(HAVE_ICONV_${LIB}_${TRY_ICONV_CONST})
 948     CMAKE_POP_CHECK_STATE()     # Restore the state of the variables
 949   ENDIF(NOT HAVE_ICONV)
 950 ENDMACRO(CHECK_ICONV TRY_ICONV_CONST)
 951
 952 IF(ENABLE_ICONV)
 953   CMAKE_PUSH_CHECK_STATE()      # Save the state of the variables
 954   FIND_PATH(ICONV_INCLUDE_DIR iconv.h)
 955   IF(ICONV_INCLUDE_DIR)
 956     #SET(INCLUDES ${INCLUDES} "iconv.h")
 957     SET(HAVE_ICONV_H 1)
 958     INCLUDE_DIRECTORIES(${ICONV_INCLUDE_DIR})
 959     SET(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
 960     CHECK_ICONV("libc" "const")
 961     CHECK_ICONV("libc" "")
 962
 963     # If iconv isn't in libc and we have a libiconv, try that.
 964     FIND_LIBRARY(LIBICONV_PATH NAMES iconv libiconv)
 965     IF(NOT HAVE_ICONV AND LIBICONV_PATH)
 966       LIST(APPEND CMAKE_REQUIRED_LIBRARIES ${LIBICONV_PATH})
 967       # Test if a macro is needed for the library.
 968       TRY_MACRO_FOR_LIBRARY(
 969         "${ICONV_INCLUDE_DIR}" "${LIBICONV_PATH}"
 970         COMPILES
 971         "#include <iconv.h>\nint main() {return iconv_close((iconv_t)0);}"
 972         "WITHOUT_LIBICONV_STATIC;LIBICONV_STATIC")
 973       IF(NOT WITHOUT_LIBICONV_STATIC AND LIBICONV_STATIC)
 974         ADD_DEFINITIONS(-DLIBICONV_STATIC)
 975       ENDIF(NOT WITHOUT_LIBICONV_STATIC AND LIBICONV_STATIC)
 976       #
 977       # Set up CMAKE_REQUIRED_* for CHECK_ICONV
 978       #
 979       SET(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
 980       SET(CMAKE_REQUIRED_LIBRARIES ${LIBICONV_PATH})
 981       IF(LIBICONV_STATIC)
 982         # LIBICONV_STATIC is necessary for the success of CHECK_ICONV
 983         # on Windows.
 984         SET(CMAKE_REQUIRED_DEFINITIONS "-DLIBICONV_STATIC")
 985       ELSE(LIBICONV_STATIC)
 986         SET(CMAKE_REQUIRED_DEFINITIONS)
 987       ENDIF(LIBICONV_STATIC)
 988       CHECK_ICONV("libiconv" "const")
 989       CHECK_ICONV("libiconv" "")
 990       IF (HAVE_ICONV)
 991         LIST(APPEND ADDITIONAL_LIBS ${LIBICONV_PATH})
 992       ENDIF(HAVE_ICONV)
 993     ENDIF(NOT HAVE_ICONV AND LIBICONV_PATH)
 994   ENDIF(ICONV_INCLUDE_DIR)
 995   #
 996   # Find locale_charset() for libiconv.
 997   #
 998   IF(LIBICONV_PATH)
 999     SET(CMAKE_REQUIRED_DEFINITIONS)
1000     SET(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
1001     SET(CMAKE_REQUIRED_LIBRARIES)
1002     CHECK_INCLUDE_FILES("localcharset.h" HAVE_LOCALCHARSET_H)
1003     FIND_LIBRARY(LIBCHARSET_PATH NAMES charset libcharset)
1004     IF(LIBCHARSET_PATH)
1005       SET(CMAKE_REQUIRED_LIBRARIES ${LIBCHARSET_PATH})
1006       IF(WIN32 AND NOT CYGWIN)
1007         # Test if a macro is needed for the library.
1008         TRY_MACRO_FOR_LIBRARY(
1009           "${ICONV_INCLUDE_DIR}" "${LIBCHARSET_PATH}"
1010           COMPILES
1011           "#include <localcharset.h>\nint main() {return locale_charset()?1:0;}"
1012           "WITHOUT_LIBCHARSET_STATIC;LIBCHARSET_STATIC")
1013         IF(NOT WITHOUT_LIBCHARSET_STATIC AND LIBCHARSET_STATIC)
1014           ADD_DEFINITIONS(-DLIBCHARSET_STATIC)
1015         ENDIF(NOT WITHOUT_LIBCHARSET_STATIC AND LIBCHARSET_STATIC)
1016         IF(WITHOUT_LIBCHARSET_STATIC OR LIBCHARSET_STATIC)
1017           SET(HAVE_LOCALE_CHARSET ON CACHE INTERNAL
1018               "Have function locale_charset")
1019         ENDIF(WITHOUT_LIBCHARSET_STATIC OR LIBCHARSET_STATIC)
1020       ELSE(WIN32 AND NOT CYGWIN)
1021         CHECK_FUNCTION_EXISTS_GLIBC(locale_charset HAVE_LOCALE_CHARSET)
1022       ENDIF(WIN32 AND NOT CYGWIN)
1023       IF(HAVE_LOCALE_CHARSET)
1024         LIST(APPEND ADDITIONAL_LIBS ${LIBCHARSET_PATH})
1025       ENDIF(HAVE_LOCALE_CHARSET)
1026     ENDIF(LIBCHARSET_PATH)
1027   ENDIF(LIBICONV_PATH)
1028   CMAKE_POP_CHECK_STATE()       # Restore the state of the variables
1029 ELSE(ENABLE_ICONV)
1030   # Make sure ICONV variables are not in CACHE after ENABLE_ICONV disabled
1031   # (once enabled).
1032   UNSET(HAVE_LOCALE_CHARSET CACHE)
1033   UNSET(HAVE_ICONV CACHE)
1034   UNSET(HAVE_ICONV_libc_ CACHE)
1035   UNSET(HAVE_ICONV_libc_const CACHE)
1036   UNSET(HAVE_ICONV_libiconv_ CACHE)
1037   UNSET(HAVE_ICONV_libiconv_const CACHE)
1038   UNSET(ICONV_INCLUDE_DIR CACHE)
1039   UNSET(LIBICONV_PATH CACHE)
1040   UNSET(LIBICONV_DLL CACHE)
1041   UNSET(LIBICONV_STATIC CACHE)
1042   UNSET(LIBCHARSET_DLL CACHE)
1043   UNSET(LIBCHARSET_STATIC CACHE)
1044 ENDIF(ENABLE_ICONV)
1045
1046 #
1047 # Find Libxml2
1048 #
1049 IF(ENABLE_LIBXML2)
1050   FIND_PACKAGE(LibXml2)
1051 ELSE()
1052   SET(LIBXML2_FOUND FALSE)
1053 ENDIF()
1054 IF(LIBXML2_FOUND)
1055   CMAKE_PUSH_CHECK_STATE()      # Save the state of the variables
1056   INCLUDE_DIRECTORIES(${LIBXML2_INCLUDE_DIR})
1057   LIST(APPEND ADDITIONAL_LIBS ${LIBXML2_LIBRARIES})
1058   SET(HAVE_LIBXML2 1)
1059   # libxml2's include files use iconv.h
1060   SET(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR} ${LIBXML2_INCLUDE_DIR})
1061   CHECK_INCLUDE_FILES("libxml/xmlreader.h" HAVE_LIBXML_XMLREADER_H)
1062   CHECK_INCLUDE_FILES("libxml/xmlwriter.h" HAVE_LIBXML_XMLWRITER_H)
1063   # Test if a macro is needed for the library.
1064   TRY_MACRO_FOR_LIBRARY(
1065     "${ICONV_INCLUDE_DIR};${LIBXML2_INCLUDE_DIR}"
1066     "ws2_32.lib;${ZLIB_LIBRARIES};${LIBICONV_PATH};${LIBXML2_LIBRARIES}"
1067     COMPILES
1068     "#include <stddef.h>\n#include <libxml/xmlreader.h>\nint main() {return xmlTextReaderRead((xmlTextReaderPtr)(void *)0);}"
1069     "WITHOUT_LIBXML_STATIC;LIBXML_STATIC")
1070   IF(NOT WITHOUT_LIBXML_STATIC AND LIBXML_STATIC)
1071     ADD_DEFINITIONS(-DLIBXML_STATIC)
1072   ENDIF(NOT WITHOUT_LIBXML_STATIC AND LIBXML_STATIC)
1073   CMAKE_POP_CHECK_STATE()       # Restore the state of the variables
1074 ELSE(LIBXML2_FOUND)
1075   #
1076   # Find Expat
1077   #
1078   IF(ENABLE_EXPAT)
1079     FIND_PACKAGE(EXPAT)
1080   ELSE()
1081     SET(EXPAT_FOUND FALSE)
1082   ENDIF()
1083   IF(EXPAT_FOUND)
1084     CMAKE_PUSH_CHECK_STATE()    # Save the state of the variables
1085     INCLUDE_DIRECTORIES(${EXPAT_INCLUDE_DIR})
1086     LIST(APPEND ADDITIONAL_LIBS ${EXPAT_LIBRARIES})
1087     SET(HAVE_LIBEXPAT 1)
1088     LA_CHECK_INCLUDE_FILE("expat.h" HAVE_EXPAT_H)
1089     CMAKE_POP_CHECK_STATE()     # Restore the state of the variables
1090   ENDIF(EXPAT_FOUND)
1091 ENDIF(LIBXML2_FOUND)
1092 MARK_AS_ADVANCED(CLEAR LIBXML2_INCLUDE_DIR)
1093 MARK_AS_ADVANCED(CLEAR LIBXML2_LIBRARIES)
1094
1095 #
1096 # POSIX Regular Expression support
1097 #
1098 IF(POSIX_REGEX_LIB MATCHES "^(AUTO|LIBC|LIBREGEX)$")
1099   #
1100   # If PCREPOSIX is not found or not requested, try using regex
1101   # from libc or libregex
1102   #
1103   FIND_PATH(REGEX_INCLUDE_DIR regex.h)
1104   IF(REGEX_INCLUDE_DIR)
1105     CHECK_FUNCTION_EXISTS_GLIBC(regcomp HAVE_REGCOMP_LIBC)
1106     #
1107     # If libc does not provide regex, find libregex.
1108     #
1109     IF(NOT HAVE_REGCOMP_LIBC)
1110       CMAKE_PUSH_CHECK_STATE()  # Save the state of the variables
1111       FIND_LIBRARY(REGEX_LIBRARY regex)
1112       IF(REGEX_LIBRARY)
1113         SET(CMAKE_REQUIRED_LIBRARIES ${REGEX_LIBRARY})
1114         CHECK_FUNCTION_EXISTS_GLIBC(regcomp HAVE_REGCOMP_LIBREGEX)
1115         IF(HAVE_REGCOMP_LIBREGEX)
1116           LIST(APPEND ADDITIONAL_LIBS ${REGEX_LIBRARY})
1117           #
1118           # If regex.h is not found, retry looking for regex.h at
1119           # REGEX_INCLUDE_DIR
1120           #
1121           IF(NOT HAVE_REGEX_H)
1122             UNSET(HAVE_REGEX_H CACHE)
1123             INCLUDE_DIRECTORIES(${REGEX_INCLUDE_DIR})
1124             SET(CMAKE_REQUIRED_INCLUDES ${REGEX_INCLUDE_DIR})
1125             LA_CHECK_INCLUDE_FILE("regex.h" HAVE_REGEX_H)
1126           ENDIF(NOT HAVE_REGEX_H)
1127           # Test if a macro is needed for the library.
1128           TRY_MACRO_FOR_LIBRARY(
1129             "${REGEX_INCLUDE_DIR}" "${REGEX_LIBRARY}"
1130             COMPILES
1131             "#include <stddef.h>\n#include <regex.h>\nint main() {regex_t r;return regcomp(&r, \"\", 0);}"
1132             "USE_REGEX_DLL;USE_REGEX_STATIC")
1133           IF(USE_REGEX_DLL)
1134             ADD_DEFINITIONS(-DUSE_REGEX_DLL)
1135           ELSEIF(USE_REGEX_STATIC)
1136             ADD_DEFINITIONS(-DUSE_REGEX_STATIC)
1137           ENDIF(USE_REGEX_DLL)
1138         ENDIF(HAVE_REGCOMP_LIBREGEX)
1139       ENDIF(REGEX_LIBRARY)
1140       CMAKE_POP_CHECK_STATE()   # Restore the state of the variables
1141     ENDIF(NOT HAVE_REGCOMP_LIBC)
1142   ENDIF(REGEX_INCLUDE_DIR)
1143   IF(HAVE_REGCOMP_LIBC OR HAVE_REGCOMP_LIBREGEX)
1144     SET(FOUND_POSIX_REGEX_LIB 1)
1145   ENDIF(HAVE_REGCOMP_LIBC OR HAVE_REGCOMP_LIBREGEX)
1146 ENDIF(POSIX_REGEX_LIB MATCHES "^(AUTO|LIBC|LIBREGEX)$")
1147
1148 IF(NOT FOUND_POSIX_REGEX_LIB AND POSIX_REGEX_LIB MATCHES "^(AUTO|LIBPCREPOSIX)$")
1149   #
1150   # If requested, try finding library for PCREPOSIX
1151   #
1152   IF(ENABLE_LibGCC)
1153     FIND_PACKAGE(LibGCC)
1154   ELSE()
1155     SET(LIBGCC_FOUND FALSE) # Override cached value
1156   ENDIF()
1157   IF(ENABLE_PCREPOSIX)
1158     FIND_PACKAGE(PCREPOSIX)
1159   ELSE()
1160     SET(PCREPOSIX_FOUND FALSE) # Override cached value
1161   ENDIF()
1162   IF(PCREPOSIX_FOUND)
1163     INCLUDE_DIRECTORIES(${PCRE_INCLUDE_DIR})
1164     LIST(APPEND ADDITIONAL_LIBS ${PCREPOSIX_LIBRARIES})
1165     # Test if a macro is needed for the library.
1166     TRY_MACRO_FOR_LIBRARY(
1167       "${PCRE_INCLUDE_DIR}" "${PCREPOSIX_LIBRARIES}"
1168       COMPILES
1169       "#include <pcreposix.h>\nint main() {regex_t r;return regcomp(&r, \"\", 0);}"
1170       "WITHOUT_PCRE_STATIC;PCRE_STATIC")
1171     IF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1172       ADD_DEFINITIONS(-DPCRE_STATIC)
1173         ELSEIF(NOT WITHOUT_PCRE_STATIC AND NOT PCRE_STATIC AND PCRE_FOUND)
1174           # Determine if pcre static libraries are to be used.
1175       LIST(APPEND ADDITIONAL_LIBS ${PCRE_LIBRARIES})
1176       SET(TMP_LIBRARIES ${PCREPOSIX_LIBRARIES} ${PCRE_LIBRARIES})
1177       MESSAGE(STATUS "trying again with -lpcre included")
1178       TRY_MACRO_FOR_LIBRARY(
1179         "${PCRE_INCLUDE_DIR}" "${TMP_LIBRARIES}"
1180         COMPILES
1181         "#include <pcreposix.h>\nint main() {regex_t r;return regcomp(&r, \"\", 0);}"
1182         "WITHOUT_PCRE_STATIC;PCRE_STATIC")
1183       IF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1184         ADD_DEFINITIONS(-DPCRE_STATIC)
1185       ELSEIF(NOT WITHOUT_PCRE_STATIC AND NOT PCRE_STATIC AND MSVC AND LIBGCC_FOUND)
1186         # When doing a Visual Studio build using pcre static libraries
1187         # built using the mingw toolchain, -lgcc is needed to resolve
1188         # ___chkstk_ms.
1189         MESSAGE(STATUS "Visual Studio build detected, trying again with -lgcc included")
1190         LIST(APPEND ADDITIONAL_LIBS ${LIBGCC_LIBRARIES})
1191         SET(TMP_LIBRARIES ${PCREPOSIX_LIBRARIES} ${PCRE_LIBRARIES} ${LIBGCC_LIBRARIES})
1192           TRY_MACRO_FOR_LIBRARY(
1193             "${PCRE_INCLUDE_DIR}" "${TMP_LIBRARIES}"
1194             COMPILES
1195             "#include <pcreposix.h>\nint main() {regex_t r;return regcomp(&r, \"\", 0);}"
1196             "WITHOUT_PCRE_STATIC;PCRE_STATIC")
1197           IF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1198             ADD_DEFINITIONS(-DPCRE_STATIC)
1199           ENDIF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1200       ENDIF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1201     ENDIF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1202   ENDIF(PCREPOSIX_FOUND)
1203   MARK_AS_ADVANCED(CLEAR PCRE_INCLUDE_DIR)
1204   MARK_AS_ADVANCED(CLEAR PCREPOSIX_LIBRARIES)
1205   MARK_AS_ADVANCED(CLEAR PCRE_LIBRARIES)
1206   MARK_AS_ADVANCED(CLEAR LIBGCC_LIBRARIES)
1207 ENDIF(NOT FOUND_POSIX_REGEX_LIB AND POSIX_REGEX_LIB MATCHES "^(AUTO|LIBPCREPOSIX)$")
1208
1209 #
1210 # Check functions
1211 #
1212 CMAKE_PUSH_CHECK_STATE()        # Save the state of the variables
1213 IF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR
1214     CMAKE_C_COMPILER_ID MATCHES "^Clang$")
1215   #
1216   # During checking functions, we should use -fno-builtin to avoid the
1217   # failure of function detection which failure is an error "conflicting
1218   # types for built-in function" caused by using -Werror option.
1219   #
1220   SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -fno-builtin")
1221 ENDIF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR
1222        CMAKE_C_COMPILER_ID MATCHES "^Clang$")
1223 CHECK_SYMBOL_EXISTS(_CrtSetReportMode "crtdbg.h" HAVE__CrtSetReportMode)
1224 CHECK_FUNCTION_EXISTS_GLIBC(arc4random_buf HAVE_ARC4RANDOM_BUF)
1225 CHECK_FUNCTION_EXISTS_GLIBC(chflags HAVE_CHFLAGS)
1226 CHECK_FUNCTION_EXISTS_GLIBC(chown HAVE_CHOWN)
1227 CHECK_FUNCTION_EXISTS_GLIBC(chroot HAVE_CHROOT)
1228 CHECK_FUNCTION_EXISTS_GLIBC(ctime_r HAVE_CTIME_R)
1229 CHECK_FUNCTION_EXISTS_GLIBC(fchdir HAVE_FCHDIR)
1230 CHECK_FUNCTION_EXISTS_GLIBC(fchflags HAVE_FCHFLAGS)
1231 CHECK_FUNCTION_EXISTS_GLIBC(fchmod HAVE_FCHMOD)
1232 CHECK_FUNCTION_EXISTS_GLIBC(fchown HAVE_FCHOWN)
1233 CHECK_FUNCTION_EXISTS_GLIBC(fcntl HAVE_FCNTL)
1234 CHECK_FUNCTION_EXISTS_GLIBC(fdopendir HAVE_FDOPENDIR)
1235 CHECK_FUNCTION_EXISTS_GLIBC(fork HAVE_FORK)
1236 CHECK_FUNCTION_EXISTS_GLIBC(fstat HAVE_FSTAT)
1237 CHECK_FUNCTION_EXISTS_GLIBC(fstatat HAVE_FSTATAT)
1238 CHECK_FUNCTION_EXISTS_GLIBC(fstatfs HAVE_FSTATFS)
1239 CHECK_FUNCTION_EXISTS_GLIBC(fstatvfs HAVE_FSTATVFS)
1240 CHECK_FUNCTION_EXISTS_GLIBC(ftruncate HAVE_FTRUNCATE)
1241 CHECK_FUNCTION_EXISTS_GLIBC(futimens HAVE_FUTIMENS)
1242 CHECK_FUNCTION_EXISTS_GLIBC(futimes HAVE_FUTIMES)
1243 CHECK_FUNCTION_EXISTS_GLIBC(futimesat HAVE_FUTIMESAT)
1244 CHECK_FUNCTION_EXISTS_GLIBC(geteuid HAVE_GETEUID)
1245 CHECK_FUNCTION_EXISTS_GLIBC(getgrgid_r HAVE_GETGRGID_R)
1246 CHECK_FUNCTION_EXISTS_GLIBC(getgrnam_r HAVE_GETGRNAM_R)
1247 CHECK_FUNCTION_EXISTS_GLIBC(getpwnam_r HAVE_GETPWNAM_R)
1248 CHECK_FUNCTION_EXISTS_GLIBC(getpwuid_r HAVE_GETPWUID_R)
1249 CHECK_FUNCTION_EXISTS_GLIBC(getpid HAVE_GETPID)
1250 CHECK_FUNCTION_EXISTS_GLIBC(getvfsbyname HAVE_GETVFSBYNAME)
1251 CHECK_FUNCTION_EXISTS_GLIBC(gmtime_r HAVE_GMTIME_R)
1252 CHECK_FUNCTION_EXISTS_GLIBC(lchflags HAVE_LCHFLAGS)
1253 CHECK_FUNCTION_EXISTS_GLIBC(lchmod HAVE_LCHMOD)
1254 CHECK_FUNCTION_EXISTS_GLIBC(lchown HAVE_LCHOWN)
1255 CHECK_FUNCTION_EXISTS_GLIBC(link HAVE_LINK)
1256 CHECK_FUNCTION_EXISTS_GLIBC(localtime_r HAVE_LOCALTIME_R)
1257 CHECK_FUNCTION_EXISTS_GLIBC(lstat HAVE_LSTAT)
1258 CHECK_FUNCTION_EXISTS_GLIBC(lutimes HAVE_LUTIMES)
1259 CHECK_FUNCTION_EXISTS_GLIBC(mbrtowc HAVE_MBRTOWC)
1260 CHECK_FUNCTION_EXISTS_GLIBC(memmove HAVE_MEMMOVE)
1261 CHECK_FUNCTION_EXISTS_GLIBC(mkdir HAVE_MKDIR)
1262 CHECK_FUNCTION_EXISTS_GLIBC(mkfifo HAVE_MKFIFO)
1263 CHECK_FUNCTION_EXISTS_GLIBC(mknod HAVE_MKNOD)
1264 CHECK_FUNCTION_EXISTS_GLIBC(mkstemp HAVE_MKSTEMP)
1265 CHECK_FUNCTION_EXISTS_GLIBC(nl_langinfo HAVE_NL_LANGINFO)
1266 CHECK_FUNCTION_EXISTS_GLIBC(openat HAVE_OPENAT)
1267 CHECK_FUNCTION_EXISTS_GLIBC(pipe HAVE_PIPE)
1268 CHECK_FUNCTION_EXISTS_GLIBC(poll HAVE_POLL)
1269 CHECK_FUNCTION_EXISTS_GLIBC(posix_spawnp HAVE_POSIX_SPAWNP)
1270 CHECK_FUNCTION_EXISTS_GLIBC(readlink HAVE_READLINK)
1271 CHECK_FUNCTION_EXISTS_GLIBC(readpassphrase HAVE_READPASSPHRASE)
1272 CHECK_FUNCTION_EXISTS_GLIBC(select HAVE_SELECT)
1273 CHECK_FUNCTION_EXISTS_GLIBC(setenv HAVE_SETENV)
1274 CHECK_FUNCTION_EXISTS_GLIBC(setlocale HAVE_SETLOCALE)
1275 CHECK_FUNCTION_EXISTS_GLIBC(sigaction HAVE_SIGACTION)
1276 CHECK_FUNCTION_EXISTS_GLIBC(statfs HAVE_STATFS)
1277 CHECK_FUNCTION_EXISTS_GLIBC(statvfs HAVE_STATVFS)
1278 CHECK_FUNCTION_EXISTS_GLIBC(strchr HAVE_STRCHR)
1279 CHECK_FUNCTION_EXISTS_GLIBC(strdup HAVE_STRDUP)
1280 CHECK_FUNCTION_EXISTS_GLIBC(strerror HAVE_STRERROR)
1281 CHECK_FUNCTION_EXISTS_GLIBC(strncpy_s HAVE_STRNCPY_S)
1282 CHECK_FUNCTION_EXISTS_GLIBC(strrchr HAVE_STRRCHR)
1283 CHECK_FUNCTION_EXISTS_GLIBC(symlink HAVE_SYMLINK)
1284 CHECK_FUNCTION_EXISTS_GLIBC(timegm HAVE_TIMEGM)
1285 CHECK_FUNCTION_EXISTS_GLIBC(tzset HAVE_TZSET)
1286 CHECK_FUNCTION_EXISTS_GLIBC(unsetenv HAVE_UNSETENV)
1287 CHECK_FUNCTION_EXISTS_GLIBC(utime HAVE_UTIME)
1288 CHECK_FUNCTION_EXISTS_GLIBC(utimes HAVE_UTIMES)
1289 CHECK_FUNCTION_EXISTS_GLIBC(utimensat HAVE_UTIMENSAT)
1290 CHECK_FUNCTION_EXISTS_GLIBC(vfork HAVE_VFORK)
1291 CHECK_FUNCTION_EXISTS_GLIBC(wcrtomb HAVE_WCRTOMB)
1292 CHECK_FUNCTION_EXISTS_GLIBC(wcscmp HAVE_WCSCMP)
1293 CHECK_FUNCTION_EXISTS_GLIBC(wcscpy HAVE_WCSCPY)
1294 CHECK_FUNCTION_EXISTS_GLIBC(wcslen HAVE_WCSLEN)
1295 CHECK_FUNCTION_EXISTS_GLIBC(wctomb HAVE_WCTOMB)
1296 CHECK_FUNCTION_EXISTS_GLIBC(_ctime64_s HAVE__CTIME64_S)
1297 CHECK_FUNCTION_EXISTS_GLIBC(_fseeki64 HAVE__FSEEKI64)
1298 CHECK_FUNCTION_EXISTS_GLIBC(_get_timezone HAVE__GET_TIMEZONE)
1299 CHECK_FUNCTION_EXISTS_GLIBC(_localtime64_s HAVE__LOCALTIME64_S)
1300 CHECK_FUNCTION_EXISTS_GLIBC(_mkgmtime64 HAVE__MKGMTIME64)
1301
1302 SET(CMAKE_REQUIRED_LIBRARIES "")
1303 CHECK_FUNCTION_EXISTS(cygwin_conv_path HAVE_CYGWIN_CONV_PATH)
1304 CHECK_FUNCTION_EXISTS(fseeko HAVE_FSEEKO)
1305 CHECK_FUNCTION_EXISTS(strerror_r HAVE_STRERROR_R)
1306 CHECK_FUNCTION_EXISTS(strftime HAVE_STRFTIME)
1307 CHECK_FUNCTION_EXISTS(vprintf HAVE_VPRINTF)
1308 CHECK_FUNCTION_EXISTS(wmemcmp HAVE_WMEMCMP)
1309 CHECK_FUNCTION_EXISTS(wmemcpy HAVE_WMEMCPY)
1310 CHECK_FUNCTION_EXISTS(wmemmove HAVE_WMEMMOVE)
1311
1312 CMAKE_POP_CHECK_STATE() # Restore the state of the variables
1313
1314 CHECK_C_SOURCE_COMPILES(
1315   "#include <sys/types.h>\n#include <sys/mount.h>\nint main(void) { struct vfsconf v; return sizeof(v);}"
1316   HAVE_STRUCT_VFSCONF)
1317
1318 CHECK_C_SOURCE_COMPILES(
1319   "#include <sys/types.h>\n#include <sys/mount.h>\nint main(void) { struct xvfsconf v; return sizeof(v);}"
1320   HAVE_STRUCT_XVFSCONF)
1321
1322 # Make sure we have the POSIX version of readdir_r, not the
1323 # older 2-argument version.
1324 CHECK_C_SOURCE_COMPILES(
1325   "#include <dirent.h>\nint main() {DIR *d = opendir(\".\"); struct dirent e,*r; return readdir_r(d,&e,&r);}"
1326   HAVE_READDIR_R)
1327
1328 # dirfd can be either a function or a macro.
1329 CHECK_C_SOURCE_COMPILES(
1330   "#include <dirent.h>\nint main() {DIR *d = opendir(\".\"); return dirfd(d);}"
1331   HAVE_DIRFD)
1332
1333 # Only detect readlinkat() if we also have AT_FDCWD in unistd.h.
1334 # NOTE: linux requires fcntl.h for AT_FDCWD.
1335 CHECK_C_SOURCE_COMPILES(
1336   "#include <fcntl.h>\n#include <unistd.h>\nint main() {char buf[10]; return readlinkat(AT_FDCWD, \"\", buf, 0);}"
1337   HAVE_READLINKAT)
1338
1339
1340 # To verify major(), we need to both include the header
1341 # of interest and verify that the result can be linked.
1342 # CHECK_FUNCTION_EXISTS doesn't accept a header argument,
1343 # CHECK_SYMBOL_EXISTS doesn't test linkage.
1344 CHECK_C_SOURCE_COMPILES(
1345   "#include <sys/mkdev.h>\nint main() { return major(256); }"
1346   MAJOR_IN_MKDEV)
1347 CHECK_C_SOURCE_COMPILES(
1348   "#include <sys/sysmacros.h>\nint main() { return major(256); }"
1349   MAJOR_IN_SYSMACROS)
1350
1351 CHECK_C_SOURCE_COMPILES(
1352   "#include <lzma.h>\n#if LZMA_VERSION < 50020000\n#error unsupported\n#endif\nint main(void){lzma_stream_encoder_mt(0, 0); return 0;}"
1353   HAVE_LZMA_STREAM_ENCODER_MT)
1354
1355 IF(HAVE_STRERROR_R)
1356   SET(HAVE_DECL_STRERROR_R 1)
1357 ENDIF(HAVE_STRERROR_R)
1358
1359 #
1360 # Check defines
1361 #
1362 SET(headers "limits.h")
1363 IF(HAVE_STDINT_H)
1364   LIST(APPEND headers "stdint.h")
1365 ENDIF(HAVE_STDINT_H)
1366 IF(HAVE_INTTYPES_H)
1367   LIST(APPEND headers "inttypes.h")
1368 ENDIF(HAVE_INTTYPES_H)
1369 CHECK_SYMBOL_EXISTS(EFTYPE           "errno.h"    HAVE_EFTYPE)
1370 CHECK_SYMBOL_EXISTS(EILSEQ           "errno.h"    HAVE_EILSEQ)
1371 CHECK_SYMBOL_EXISTS(D_MD_ORDER       "langinfo.h" HAVE_D_MD_ORDER)
1372 CHECK_SYMBOL_EXISTS(INT32_MAX        "${headers}" HAVE_DECL_INT32_MAX)
1373 CHECK_SYMBOL_EXISTS(INT32_MIN        "${headers}" HAVE_DECL_INT32_MIN)
1374 CHECK_SYMBOL_EXISTS(INT64_MAX        "${headers}" HAVE_DECL_INT64_MAX)
1375 CHECK_SYMBOL_EXISTS(INT64_MIN        "${headers}" HAVE_DECL_INT64_MIN)
1376 CHECK_SYMBOL_EXISTS(INTMAX_MAX       "${headers}" HAVE_DECL_INTMAX_MAX)
1377 CHECK_SYMBOL_EXISTS(INTMAX_MIN       "${headers}" HAVE_DECL_INTMAX_MIN)
1378 CHECK_SYMBOL_EXISTS(UINT32_MAX       "${headers}" HAVE_DECL_UINT32_MAX)
1379 CHECK_SYMBOL_EXISTS(UINT64_MAX       "${headers}" HAVE_DECL_UINT64_MAX)
1380 CHECK_SYMBOL_EXISTS(UINTMAX_MAX      "${headers}" HAVE_DECL_UINTMAX_MAX)
1381 CHECK_SYMBOL_EXISTS(SIZE_MAX         "${headers}" HAVE_DECL_SIZE_MAX)
1382 CHECK_SYMBOL_EXISTS(SSIZE_MAX        "limits.h"   HAVE_DECL_SSIZE_MAX)
1383
1384 #
1385 # Check struct members
1386 #
1387 # Check for tm_gmtoff in struct tm
1388 CHECK_STRUCT_HAS_MEMBER("struct tm" tm_gmtoff
1389     "time.h" HAVE_STRUCT_TM_TM_GMTOFF)
1390 CHECK_STRUCT_HAS_MEMBER("struct tm" __tm_gmtoff
1391     "time.h" HAVE_STRUCT_TM___TM_GMTOFF)
1392
1393 # Check for f_namemax in struct statfs
1394 CHECK_STRUCT_HAS_MEMBER("struct statfs" f_namemax
1395     "sys/param.h;sys/mount.h" HAVE_STRUCT_STATFS_F_NAMEMAX)
1396
1397 # Check for birthtime in struct stat
1398 CHECK_STRUCT_HAS_MEMBER("struct stat" st_birthtime
1399     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_BIRTHTIME)
1400
1401 # Check for high-resolution timestamps in struct stat
1402 CHECK_STRUCT_HAS_MEMBER("struct stat" st_birthtimespec.tv_nsec
1403     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC)
1404 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtimespec.tv_nsec
1405     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC)
1406 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtim.tv_nsec
1407     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
1408 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtime_n
1409     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIME_N)
1410 CHECK_STRUCT_HAS_MEMBER("struct stat" st_umtime
1411     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_UMTIME)
1412 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtime_usec
1413     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIME_USEC)
1414 # Check for block size support in struct stat
1415 CHECK_STRUCT_HAS_MEMBER("struct stat" st_blksize
1416     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_BLKSIZE)
1417 # Check for st_flags in struct stat (BSD fflags)
1418 CHECK_STRUCT_HAS_MEMBER("struct stat" st_flags
1419     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_FLAGS)
1420
1421 IF(HAVE_SYS_STATVFS_H)
1422   CHECK_STRUCT_HAS_MEMBER("struct statvfs" f_iosize
1423     "sys/types.h;sys/statvfs.h" HAVE_STRUCT_STATVFS_F_IOSIZE)
1424 ENDIF()
1425
1426 #
1427 #
1428 CHECK_STRUCT_HAS_MEMBER("struct tm" tm_sec
1429     "sys/types.h;sys/time.h;time.h" TIME_WITH_SYS_TIME)
1430
1431 #
1432 # Check for integer types
1433 #
1434 #
1435 CHECK_TYPE_SIZE("short" SIZE_OF_SHORT)
1436 CHECK_TYPE_SIZE("int" SIZE_OF_INT)
1437 CHECK_TYPE_SIZE("long" SIZE_OF_LONG)
1438 CHECK_TYPE_SIZE("long long"     SIZE_OF_LONG_LONG)
1439
1440 CHECK_TYPE_SIZE("unsigned short" SIZE_OF_UNSIGNED_SHORT)
1441 CHECK_TYPE_SIZE("unsigned" SIZE_OF_UNSIGNED)
1442 CHECK_TYPE_SIZE("unsigned long" SIZE_OF_UNSIGNED_LONG)
1443 CHECK_TYPE_SIZE("unsigned long long" SIZE_OF_UNSIGNED_LONG_LONG)
1444
1445 CHECK_TYPE_SIZE("__int64" __INT64)
1446 CHECK_TYPE_SIZE("unsigned __int64" UNSIGNED___INT64)
1447
1448 CHECK_TYPE_SIZE(int16_t INT16_T)
1449 CHECK_TYPE_SIZE(int32_t INT32_T)
1450 CHECK_TYPE_SIZE(int64_t INT64_T)
1451 CHECK_TYPE_SIZE(intmax_t INTMAX_T)
1452 CHECK_TYPE_SIZE(uint8_t UINT8_T)
1453 CHECK_TYPE_SIZE(uint16_t UINT16_T)
1454 CHECK_TYPE_SIZE(uint32_t UINT32_T)
1455 CHECK_TYPE_SIZE(uint64_t UINT64_T)
1456 CHECK_TYPE_SIZE(uintmax_t UINTMAX_T)
1457
1458 CHECK_TYPE_SIZE(dev_t       DEV_T)
1459 IF(NOT HAVE_DEV_T)
1460   IF(MSVC)
1461     SET(dev_t "unsigned int")
1462   ENDIF(MSVC)
1463 ENDIF(NOT HAVE_DEV_T)
1464 #
1465 CHECK_TYPE_SIZE(gid_t       GID_T)
1466 IF(NOT HAVE_GID_T)
1467   IF(WIN32)
1468     SET(gid_t "short")
1469   ELSE(WIN32)
1470     SET(gid_t "unsigned int")
1471   ENDIF(WIN32)
1472 ENDIF(NOT HAVE_GID_T)
1473 #
1474 CHECK_TYPE_SIZE(id_t        ID_T)
1475 IF(NOT HAVE_ID_T)
1476   IF(WIN32)
1477     SET(id_t "short")
1478   ELSE(WIN32)
1479     SET(id_t "unsigned int")
1480   ENDIF(WIN32)
1481 ENDIF(NOT HAVE_ID_T)
1482 #
1483 CHECK_TYPE_SIZE(mode_t      MODE_T)
1484 IF(NOT HAVE_MODE_T)
1485   IF(WIN32)
1486     SET(mode_t "unsigned short")
1487   ELSE(WIN32)
1488     SET(mode_t "int")
1489   ENDIF(WIN32)
1490 ENDIF(NOT HAVE_MODE_T)
1491 #
1492 CHECK_TYPE_SIZE(off_t       OFF_T)
1493 IF(NOT HAVE_OFF_T)
1494   SET(off_t "__int64")
1495 ENDIF(NOT HAVE_OFF_T)
1496 #
1497 CHECK_TYPE_SIZE(size_t      SIZE_T)
1498 IF(NOT HAVE_SIZE_T)
1499   IF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1500     SET(size_t "uint64_t")
1501   ELSE("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1502     SET(size_t   "uint32_t")
1503   ENDIF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1504 ENDIF(NOT HAVE_SIZE_T)
1505 #
1506 CHECK_TYPE_SIZE(ssize_t     SSIZE_T)
1507 IF(NOT HAVE_SSIZE_T)
1508   IF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1509     SET(ssize_t "int64_t")
1510   ELSE("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1511     SET(ssize_t "long")
1512   ENDIF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1513 ENDIF(NOT HAVE_SSIZE_T)
1514 #
1515 CHECK_TYPE_SIZE(uid_t       UID_T)
1516 IF(NOT HAVE_UID_T)
1517   IF(WIN32)
1518     SET(uid_t "short")
1519   ELSE(WIN32)
1520     SET(uid_t "unsigned int")
1521   ENDIF(WIN32)
1522 ENDIF(NOT HAVE_UID_T)
1523 #
1524 CHECK_TYPE_SIZE(pid_t       PID_T)
1525 IF(NOT HAVE_PID_T)
1526   IF(WIN32)
1527     SET(pid_t "int")
1528   ELSE(WIN32)
1529     MESSAGE(FATAL_ERROR "pid_t doesn't exist on this platform?")
1530   ENDIF(WIN32)
1531 ENDIF(NOT HAVE_PID_T)
1532 #
1533 CHECK_TYPE_SIZE(intptr_t   INTPTR_T)
1534 IF(NOT HAVE_INTPTR_T)
1535   IF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1536     SET(intptr_t "int64_t")
1537   ELSE()
1538     SET(intptr_t "int32_t")
1539   ENDIF()
1540 ENDIF(NOT HAVE_INTPTR_T)
1541 #
1542 CHECK_TYPE_SIZE(uintptr_t   UINTPTR_T)
1543 IF(NOT HAVE_UINTPTR_T)
1544   IF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1545     SET(uintptr_t "uint64_t")
1546   ELSE()
1547     SET(uintptr_t "uint32_t")
1548   ENDIF()
1549 ENDIF(NOT HAVE_UINTPTR_T)
1550 #
1551 CHECK_TYPE_SIZE(wchar_t     SIZEOF_WCHAR_T)
1552 IF(HAVE_SIZEOF_WCHAR_T)
1553   SET(HAVE_WCHAR_T 1)
1554 ENDIF(HAVE_SIZEOF_WCHAR_T)
1555 #
1556 # Check if _FILE_OFFSET_BITS macro needed for large files
1557 #
1558 CHECK_FILE_OFFSET_BITS()
1559
1560 #
1561 # Check for Extended Attribute libraries, headers, and functions
1562 #
1563 IF(ENABLE_XATTR)
1564   CHECK_LIBRARY_EXISTS(attr "setxattr" "" HAVE_LIBATTR)
1565   IF(HAVE_LIBATTR)
1566     SET(CMAKE_REQUIRED_LIBRARIES "attr")
1567   ENDIF(HAVE_LIBATTR)
1568   CHECK_SYMBOL_EXISTS(EXTATTR_NAMESPACE_USER "sys/types.h;sys/extattr.h" HAVE_DECL_EXTATTR_NAMESPACE_USER)
1569   CHECK_SYMBOL_EXISTS(XATTR_NOFOLLOW "sys/xattr.h" HAVE_DECL_XATTR_NOFOLLOW)
1570   IF(HAVE_SYS_XATTR_H AND HAVE_DECL_XATTR_NOFOLLOW)
1571     CHECK_FUNCTION_EXISTS(fgetxattr HAVE_FGETXATTR)
1572     CHECK_FUNCTION_EXISTS(flistxattr HAVE_FLISTXATTR)
1573     CHECK_FUNCTION_EXISTS(fsetxattr HAVE_FSETXATTR)
1574     CHECK_FUNCTION_EXISTS(getxattr HAVE_GETXATTR)
1575     CHECK_FUNCTION_EXISTS(listxattr HAVE_LISTXATTR)
1576     CHECK_FUNCTION_EXISTS(setxattr HAVE_SETXATTR)
1577     IF(HAVE_FGETXATTR AND
1578        HAVE_FLISTXATTR AND
1579        HAVE_FSETXATTR AND
1580        HAVE_GETXATTR AND
1581        HAVE_LISTXATTR AND
1582        HAVE_SETXATTR)
1583       SET(ARCHIVE_XATTR_DARWIN TRUE)
1584     ENDIF()
1585   ELSEIF(HAVE_SYS_EXTATTR_H AND HAVE_DECL_EXTATTR_NAMESPACE_USER)
1586     # FreeBSD xattr support
1587     CHECK_FUNCTION_EXISTS(extattr_get_fd HAVE_EXTATTR_GET_FD)
1588     CHECK_FUNCTION_EXISTS(extattr_get_file HAVE_EXTATTR_GET_FILE)
1589     CHECK_FUNCTION_EXISTS(extattr_get_link HAVE_EXTATTR_GET_LINK)
1590     CHECK_FUNCTION_EXISTS(extattr_list_fd HAVE_EXTATTR_LIST_FD)
1591     CHECK_FUNCTION_EXISTS(extattr_list_file HAVE_EXTATTR_LIST_FILE)
1592     CHECK_FUNCTION_EXISTS(extattr_list_link HAVE_EXTATTR_LIST_LINK)
1593     CHECK_FUNCTION_EXISTS(extattr_set_fd HAVE_EXTATTR_SET_FD)
1594     CHECK_FUNCTION_EXISTS(extattr_set_link HAVE_EXTATTR_SET_LINK)
1595     IF(HAVE_EXTATTR_GET_FD AND
1596        HAVE_EXTATTR_GET_FILE AND
1597        HAVE_EXTATTR_GET_LINK AND
1598        HAVE_EXTATTR_LIST_FD AND
1599        HAVE_EXTATTR_LIST_FILE AND
1600        HAVE_EXTATTR_LIST_LINK AND
1601        HAVE_EXTATTR_SET_FD AND
1602        HAVE_EXTATTR_SET_LINK)
1603       SET(ARCHIVE_XATTR_FREEBSD TRUE)
1604     ENDIF()
1605   ELSEIF(HAVE_SYS_XATTR_H OR HAVE_ATTR_XATTR_H)
1606     # Linux xattr support
1607     CHECK_FUNCTION_EXISTS_GLIBC(fgetxattr HAVE_FGETXATTR)
1608     CHECK_FUNCTION_EXISTS_GLIBC(flistxattr HAVE_FLISTXATTR)
1609     CHECK_FUNCTION_EXISTS_GLIBC(fsetxattr HAVE_FSETXATTR)
1610     CHECK_FUNCTION_EXISTS_GLIBC(getxattr HAVE_GETXATTR)
1611     CHECK_FUNCTION_EXISTS_GLIBC(lgetxattr HAVE_LGETXATTR)
1612     CHECK_FUNCTION_EXISTS_GLIBC(listxattr HAVE_LISTXATTR)
1613     CHECK_FUNCTION_EXISTS_GLIBC(llistxattr HAVE_LLISTXATTR)
1614     CHECK_FUNCTION_EXISTS_GLIBC(lsetxattr HAVE_LSETXATTR)
1615     IF(HAVE_FGETXATTR AND
1616        HAVE_FLISTXATTR AND
1617        HAVE_FSETXATTR AND
1618        HAVE_GETXATTR AND
1619        HAVE_LGETXATTR AND
1620        HAVE_LISTXATTR AND
1621        HAVE_LLISTXATTR AND
1622        HAVE_LSETXATTR)
1623       SET(ARCHIVE_XATTR_LINUX TRUE)
1624     ENDIF()
1625   ELSEIF(HAVE_SYS_EA_H)
1626     # AIX xattr support
1627     CHECK_FUNCTION_EXISTS(fgetea HAVE_FGETEA)
1628     CHECK_FUNCTION_EXISTS(flistea HAVE_FLISTEA)
1629     CHECK_FUNCTION_EXISTS(fsetea HAVE_FSETEA)
1630     CHECK_FUNCTION_EXISTS(getea HAVE_GETEA)
1631     CHECK_FUNCTION_EXISTS(lgetea HAVE_LGETEA)
1632     CHECK_FUNCTION_EXISTS(listea HAVE_LISTEA)
1633     CHECK_FUNCTION_EXISTS(llistea HAVE_LLISTEA)
1634     CHECK_FUNCTION_EXISTS(lsetea HAVE_LSETEA)
1635     IF(HAVE_FGETEA AND
1636        HAVE_FLISTEA AND
1637        HAVE_FSETEA AND
1638        HAVE_GETEA AND
1639        HAVE_LGETEA AND
1640        HAVE_LISTEA AND
1641        HAVE_LLISTEA AND
1642        HAVE_LSETEA)
1643       SET(ARCHIVE_XATTR_AIX TRUE)
1644     ENDIF()
1645   ENDIF()
1646
1647   IF(ARCHIVE_XATTR_DARWIN)
1648     MESSAGE(STATUS "Extended attributes support: Darwin")
1649   ELSEIF(ARCHIVE_XATTR_FREEBSD)
1650     MESSAGE(STATUS "Extended attributes support: FreeBSD")
1651   ELSEIF(ARCHIVE_XATTR_LINUX)
1652     MESSAGE(STATUS "Extended attributes support: Linux")
1653   ELSEIF(ARCHIVE_XATTR_AIX)
1654     MESSAGE(STATUS "Extended attributes support: AIX")
1655   ELSE()
1656     MESSAGE(STATUS "Extended attributes support: none")
1657   ENDIF()
1658 ELSE(ENABLE_XATTR)
1659   SET(ARCHIVE_XATTR_DARWIN FALSE)
1660   SET(ARCHIVE_XATTR_FREEBSD FALSE)
1661   SET(ARCHIVE_XATTR_LINUX FALSE)
1662   SET(ARCHIVE_XATTR_AIX FALSE)
1663 ENDIF(ENABLE_XATTR)
1664
1665 #
1666 # Check for ACL libraries, headers, and functions
1667 #
1668 # The ACL support in libarchive is written against the POSIX1e draft,
1669 # which was never officially approved and varies quite a bit across
1670 # platforms.  Worse, some systems have completely non-POSIX acl functions,
1671 # which makes the following checks rather more complex than I would like.
1672 #
1673 IF(ENABLE_ACL)
1674   # Solaris and derivates ACLs
1675   CHECK_FUNCTION_EXISTS(acl HAVE_ACL)
1676   CHECK_FUNCTION_EXISTS(facl HAVE_FACL)
1677
1678   # Libacl
1679   CHECK_LIBRARY_EXISTS(acl "acl_get_file" "" HAVE_LIBACL)
1680   IF(HAVE_LIBACL)
1681     SET(CMAKE_REQUIRED_LIBRARIES "acl")
1682     FIND_LIBRARY(ACL_LIBRARY NAMES acl)
1683     LIST(APPEND ADDITIONAL_LIBS ${ACL_LIBRARY})
1684   ENDIF(HAVE_LIBACL)
1685
1686   CHECK_TYPE_EXISTS(acl_t "sys/types.h;sys/acl.h" HAVE_ACL_T)
1687   CHECK_TYPE_EXISTS(acl_entry_t "sys/types.h;sys/acl.h" HAVE_ACL_ENTRY_T)
1688   CHECK_TYPE_EXISTS(acl_permset_t "sys/types.h;sys/acl.h" HAVE_ACL_PERMSET_T)
1689   CHECK_TYPE_EXISTS(acl_tag_t "sys/types.h;sys/acl.h" HAVE_ACL_TAG_T)
1690
1691   IF(HAVE_ACL AND HAVE_FACL)
1692     CHECK_TYPE_EXISTS(aclent_t "sys/acl.h" HAVE_ACLENT_T)
1693     IF(HAVE_ACLENT_T)
1694       CHECK_SYMBOL_EXISTS(GETACL "sys/acl.h" HAVE_DECL_GETACL)
1695       CHECK_SYMBOL_EXISTS(GETACLCNT "sys/acl.h" HAVE_DECL_GETACLCNT)
1696       CHECK_SYMBOL_EXISTS(SETACL "sys/acl.h" HAVE_DECL_SETACL)
1697       IF(HAVE_DECL_GETACL AND
1698          HAVE_DECL_GETACLCNT AND
1699          HAVE_DECL_SETACL)
1700         SET(ARCHIVE_ACL_SUNOS TRUE)
1701       ENDIF()
1702       CHECK_TYPE_EXISTS(ace_t "sys/acl.h" HAVE_ACE_T)
1703       IF(HAVE_ACE_T)
1704         CHECK_SYMBOL_EXISTS(ACE_GETACL "sys/acl.h" HAVE_DECL_ACE_GETACL)
1705         CHECK_SYMBOL_EXISTS(ACE_GETACLCNT "sys/acl.h" HAVE_DECL_ACE_GETACLCNT)
1706         CHECK_SYMBOL_EXISTS(ACE_SETACL "sys/acl.h" HAVE_DECL_ACE_SETACL)
1707         IF(HAVE_DECL_ACE_GETACL AND
1708            HAVE_DECL_ACE_GETACLCNT AND
1709            HAVE_DECL_ACE_SETACL)
1710           SET(ARCHIVE_ACL_SUNOS_NFS4 TRUE)
1711         ENDIF()
1712       ENDIF(HAVE_ACE_T)
1713     ENDIF(HAVE_ACLENT_T)
1714   ENDIF(HAVE_ACL AND HAVE_FACL)
1715
1716   IF(HAVE_ACL_T AND HAVE_ACL_ENTRY_T AND HAVE_ACL_PERMSET_T AND HAVE_ACL_TAG_T)
1717     CHECK_FUNCTION_EXISTS_GLIBC(acl_add_perm HAVE_ACL_ADD_PERM)
1718     CHECK_FUNCTION_EXISTS_GLIBC(acl_clear_perms HAVE_ACL_CLEAR_PERMS)
1719     CHECK_FUNCTION_EXISTS_GLIBC(acl_create_entry HAVE_ACL_CREATE_ENTRY)
1720     CHECK_FUNCTION_EXISTS_GLIBC(acl_delete_def_file HAVE_ACL_DELETE_DEF_FILE)
1721     CHECK_FUNCTION_EXISTS_GLIBC(acl_free HAVE_ACL_FREE)
1722     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_entry HAVE_ACL_GET_ENTRY)
1723     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_fd HAVE_ACL_GET_FD)
1724     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_file HAVE_ACL_GET_FILE)
1725     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_permset HAVE_ACL_GET_PERMSET)
1726     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_qualifier HAVE_ACL_GET_QUALIFIER)
1727     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_tag_type HAVE_ACL_GET_TAG_TYPE)
1728     CHECK_FUNCTION_EXISTS_GLIBC(acl_init HAVE_ACL_INIT)
1729     CHECK_FUNCTION_EXISTS_GLIBC(acl_set_fd HAVE_ACL_SET_FD)
1730     CHECK_FUNCTION_EXISTS_GLIBC(acl_set_file HAVE_ACL_SET_FILE)
1731     CHECK_FUNCTION_EXISTS_GLIBC(acl_set_qualifier HAVE_ACL_SET_QUALIFIER)
1732     CHECK_FUNCTION_EXISTS_GLIBC(acl_set_tag_type HAVE_ACL_SET_TAG_TYPE)
1733     IF(HAVE_ACL_ADD_PERM AND
1734        HAVE_ACL_CLEAR_PERMS AND
1735        HAVE_ACL_CREATE_ENTRY AND
1736        HAVE_ACL_DELETE_DEF_FILE AND
1737        HAVE_ACL_FREE AND
1738        HAVE_ACL_GET_ENTRY AND
1739        HAVE_ACL_GET_FD AND
1740        HAVE_ACL_GET_FILE AND
1741        HAVE_ACL_GET_PERMSET AND
1742        HAVE_ACL_GET_QUALIFIER AND
1743        HAVE_ACL_GET_TAG_TYPE AND
1744        HAVE_ACL_INIT AND
1745        HAVE_ACL_SET_FD AND
1746        HAVE_ACL_SET_FILE AND
1747        HAVE_ACL_SET_QUALIFIER AND
1748        HAVE_ACL_SET_TAG_TYPE)
1749          SET(HAVE_POSIX_ACL_FUNCS 1)
1750     ENDIF()
1751
1752     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_perm HAVE_ACL_GET_PERM)
1753
1754     IF(HAVE_POSIX_ACL_FUNCS AND HAVE_ACL_LIBACL_H AND HAVE_LIBACL AND
1755        HAVE_ACL_GET_PERM)
1756       SET(ARCHIVE_ACL_LIBACL TRUE)
1757     ELSE()
1758       CHECK_FUNCTION_EXISTS(acl_add_flag_np HAVE_ACL_ADD_FLAG_NP)
1759       CHECK_FUNCTION_EXISTS(acl_clear_flags_np HAVE_ACL_CLEAR_FLAGS_NP)
1760       CHECK_FUNCTION_EXISTS(acl_get_brand_np HAVE_ACL_GET_BRAND_NP)
1761       CHECK_FUNCTION_EXISTS(acl_get_entry_type_np HAVE_ACL_GET_ENTRY_TYPE_NP)
1762       CHECK_FUNCTION_EXISTS(acl_get_flag_np HAVE_ACL_GET_FLAG_NP)
1763       CHECK_FUNCTION_EXISTS(acl_get_flagset_np HAVE_ACL_GET_FLAGSET_NP)
1764       CHECK_FUNCTION_EXISTS(acl_get_fd_np HAVE_ACL_GET_FD_NP)
1765       CHECK_FUNCTION_EXISTS(acl_get_link_np HAVE_ACL_GET_LINK_NP)
1766       CHECK_FUNCTION_EXISTS(acl_get_perm_np HAVE_ACL_GET_PERM_NP)
1767       CHECK_FUNCTION_EXISTS(acl_is_trivial_np HAVE_ACL_IS_TRIVIAL_NP)
1768       CHECK_FUNCTION_EXISTS(acl_set_entry_type_np HAVE_ACL_SET_ENTRY_TYPE_NP)
1769       CHECK_FUNCTION_EXISTS(acl_set_fd_np HAVE_ACL_SET_FD_NP)
1770       CHECK_FUNCTION_EXISTS(acl_set_link_np HAVE_ACL_SET_LINK_NP)
1771       CHECK_FUNCTION_EXISTS(mbr_gid_to_uuid HAVE_MBR_GID_TO_UUID)
1772       CHECK_FUNCTION_EXISTS(mbr_uid_to_uuid HAVE_MBR_UID_TO_UUID)
1773       CHECK_FUNCTION_EXISTS(mbr_uuid_to_id HAVE_MBR_UUID_TO_ID)
1774
1775       CHECK_C_SOURCE_COMPILES("#include <sys/types.h>
1776 #include <sys/acl.h>
1777 int main(void) { return ACL_TYPE_EXTENDED; }" HAVE_DECL_ACL_TYPE_EXTENDED)
1778       CHECK_C_SOURCE_COMPILES("#include <sys/types.h>
1779 #include <sys/acl.h>
1780 int main(void) { return ACL_SYNCHRONIZE; }" HAVE_DECL_ACL_SYNCHRONIZE)
1781       CHECK_SYMBOL_EXISTS(ACL_TYPE_NFS4 "sys/acl.h" HAVE_DECL_ACL_TYPE_NFS4)
1782       CHECK_SYMBOL_EXISTS(ACL_USER "sys/acl.h" HAVE_DECL_ACL_USER)
1783
1784       IF(HAVE_POSIX_ACL_FUNCS AND
1785          HAVE_ACL_GET_FD_NP AND
1786          HAVE_ACL_GET_PERM_NP AND
1787          NOT HAVE_ACL_GET_PERM AND
1788          HAVE_ACL_SET_FD_NP)
1789         IF(HAVE_DECL_ACL_USER)
1790           SET(ARCHIVE_ACL_FREEBSD TRUE)
1791           IF(HAVE_DECL_ACL_TYPE_NFS4 AND
1792              HAVE_ACL_ADD_FLAG_NP AND
1793              HAVE_ACL_CLEAR_FLAGS_NP AND
1794              HAVE_ACL_GET_BRAND_NP AND
1795              HAVE_ACL_GET_ENTRY_TYPE_NP AND
1796              HAVE_ACL_GET_FLAGSET_NP AND
1797              HAVE_ACL_SET_ENTRY_TYPE_NP)
1798             SET(ARCHIVE_ACL_FREEBSD_NFS4 TRUE)
1799           ENDIF()
1800         ELSEIF(HAVE_DECL_ACL_TYPE_EXTENDED AND
1801                HAVE_MEMBERSHIP_H AND
1802                HAVE_ACL_ADD_FLAG_NP AND
1803                HAVE_ACL_CLEAR_FLAGS_NP AND
1804                HAVE_ACL_GET_FLAGSET_NP AND
1805                HAVE_ACL_GET_LINK_NP AND
1806                HAVE_ACL_SET_LINK_NP AND
1807                HAVE_MBR_UID_TO_UUID AND
1808                HAVE_MBR_GID_TO_UUID AND
1809                HAVE_MBR_UUID_TO_ID)
1810           SET(ARCHIVE_ACL_DARWIN TRUE)
1811         ENDIF()
1812       ENDIF()
1813     ENDIF()
1814   ENDIF(HAVE_ACL_T AND HAVE_ACL_ENTRY_T AND HAVE_ACL_PERMSET_T AND
1815         HAVE_ACL_TAG_T)
1816
1817   # Richacl
1818   CHECK_LIBRARY_EXISTS(richacl "richacl_get_file" "" HAVE_LIBRICHACL)
1819   IF(HAVE_LIBRICHACL)
1820     SET(CMAKE_REQUIRED_LIBRARIES "richacl")
1821     FIND_LIBRARY(RICHACL_LIBRARY NAMES richacl)
1822     LIST(APPEND ADDITIONAL_LIBS ${RICHACL_LIBRARY})
1823   ENDIF(HAVE_LIBRICHACL)
1824
1825   CHECK_STRUCT_HAS_MEMBER("struct richace" e_type "sys/richacl.h"
1826     HAVE_STRUCT_RICHACE)
1827   CHECK_STRUCT_HAS_MEMBER("struct richacl" a_flags "sys/richacl.h"
1828     HAVE_STRUCT_RICHACL)
1829
1830   IF(HAVE_LIBRICHACL AND HAVE_STRUCT_RICHACL AND HAVE_STRUCT_RICHACE)
1831     CHECK_FUNCTION_EXISTS_GLIBC(richacl_alloc HAVE_RICHACL_ALLOC)
1832     CHECK_FUNCTION_EXISTS_GLIBC(richacl_equiv_mode HAVE_RICHACL_EQUIV_MODE)
1833     CHECK_FUNCTION_EXISTS_GLIBC(richacl_free HAVE_RICHACL_FREE)
1834     CHECK_FUNCTION_EXISTS_GLIBC(richacl_get_fd HAVE_RICHACL_GET_FD)
1835     CHECK_FUNCTION_EXISTS_GLIBC(richacl_get_file HAVE_RICHACL_GET_FILE)
1836     CHECK_FUNCTION_EXISTS_GLIBC(richacl_set_fd HAVE_RICHACL_SET_FD)
1837     CHECK_FUNCTION_EXISTS_GLIBC(richacl_set_file HAVE_RICHACL_SET_FILE)
1838     IF(HAVE_RICHACL_ALLOC AND
1839        HAVE_RICHACL_EQUIV_MODE AND
1840        HAVE_RICHACL_FREE AND
1841        HAVE_RICHACL_GET_FD AND
1842        HAVE_RICHACL_GET_FILE AND
1843        HAVE_RICHACL_SET_FD AND
1844        HAVE_RICHACL_SET_FILE)
1845       SET(ARCHIVE_ACL_LIBRICHACL TRUE)
1846     ENDIF()
1847   ENDIF(HAVE_LIBRICHACL AND HAVE_STRUCT_RICHACL AND HAVE_STRUCT_RICHACE)
1848
1849   IF(ARCHIVE_ACL_DARWIN)
1850     MESSAGE(STATUS "ACL support: Darwin (limited NFSv4)")
1851   ELSEIF(ARCHIVE_ACL_FREEBSD_NFS4)
1852     MESSAGE(STATUS "ACL support: FreeBSD (POSIX.1e and NFSv4)")
1853   ELSEIF(ARCHIVE_ACL_FREEBSD)
1854     MESSAGE(STATUS "ACL support: FreeBSD (POSIX.1e)")
1855   ELSEIF(ARCHIVE_ACL_LIBACL OR ARCHIVE_ACL_LIBRICHACL)
1856     IF(ARCHIVE_ACL_LIBACL AND ARCHIVE_ACL_LIBRICHACL)
1857       MESSAGE(STATUS "ACL support: libacl (POSIX.1e) + librichacl (NFSv4)")
1858     ELSEIF(ARCHIVE_ACL_LIBRICHACL)
1859       MESSAGE(STATUS "ACL support: librichacl (NFSv4)")
1860     ELSE()
1861       MESSAGE(STATUS "ACL support: libacl (POSIX.1e)")
1862     ENDIF()
1863   ELSEIF(ARCHIVE_ACL_SUNOS_NFS4)
1864     MESSAGE(STATUS "ACL support: Solaris (POSIX.1e and NFSv4)")
1865   ELSEIF(ARCHIVE_ACL_SUNOS)
1866     MESSAGE(STATUS "ACL support: Solaris (POSIX.1e)")
1867   ELSE()
1868     MESSAGE(STATUS "ACL support: none")
1869   ENDIF()
1870
1871 ELSE(ENABLE_ACL)
1872   # If someone runs cmake, then disables ACL support, we need
1873   # to forcibly override the cached values for these.
1874   SET(ARCHIVE_ACL_DARWIN FALSE)
1875   SET(ARCHIVE_ACL_FREEBSD FALSE)
1876   SET(ARCHIVE_ACL_FREEBSD_NFS4 FALSE)
1877   SET(ARCHIVE_ACL_LIBACL FALSE)
1878   SET(ARCHIVE_ACL_SUNOS FALSE)
1879   SET(ARCHIVE_ACL_SUNOS_NFS4 FALSE)
1880 ENDIF(ENABLE_ACL)
1881
1882 #
1883 # Check MD5/RMD160/SHA support
1884 # NOTE: Crypto checks must be run last before generating config.h
1885 #
1886 CHECK_CRYPTO("MD5;RMD160;SHA1;SHA256;SHA384;SHA512" LIBC)
1887 CHECK_CRYPTO("SHA256;SHA384;SHA512" LIBC2)
1888 CHECK_CRYPTO("SHA256;SHA384;SHA512" LIBC3)
1889 CHECK_CRYPTO("MD5;SHA1;SHA256;SHA384;SHA512" LIBSYSTEM)
1890 CHECK_CRYPTO("MD5;RMD160;SHA1;SHA256;SHA384;SHA512" NETTLE)
1891 CHECK_CRYPTO("MD5;RMD160;SHA1;SHA256;SHA384;SHA512" OPENSSL)
1892
1893 # Libmd has to be probed after OpenSSL.
1894 CHECK_CRYPTO("MD5;RMD160;SHA1;SHA256;SHA512" LIBMD)
1895
1896 CHECK_CRYPTO_WIN("MD5;SHA1;SHA256;SHA384;SHA512")
1897
1898 # Generate "config.h" from "build/cmake/config.h.in"
1899 CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/build/cmake/config.h.in
1900         ${CMAKE_CURRENT_BINARY_DIR}/config.h)
1901 INCLUDE_DIRECTORIES(BEFORE ${CMAKE_CURRENT_BINARY_DIR})
1902 ADD_DEFINITIONS(-DHAVE_CONFIG_H)
1903
1904 # Handle generation of the libarchive.pc file for pkg-config
1905 INCLUDE(CreatePkgConfigFile)
1906
1907 #
1908 # Register installation of PDF documents.
1909 #
1910 IF(WIN32 AND NOT CYGWIN)
1911   #
1912   # On Windows platform, It's better that we install PDF documents
1913   # on one's computer.
1914   # These PDF documents are available in the release package.
1915   #
1916   IF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/doc/pdf)
1917     INSTALL(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/doc/pdf
1918             DESTINATION share/man
1919             FILES_MATCHING PATTERN "*.pdf"
1920     )
1921   ENDIF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/doc/pdf)
1922 ENDIF(WIN32 AND NOT CYGWIN)
1923 #
1924 #
1925 #
1926 INCLUDE_DIRECTORIES(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/libarchive)
1927 #
1928 IF(MSVC)
1929   ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE)
1930 ENDIF(MSVC)
1931
1932 IF(ENABLE_TEST)
1933   ADD_CUSTOM_TARGET(run_all_tests)
1934 ENDIF(ENABLE_TEST)
1935
1936 add_subdirectory(libarchive)
1937 add_subdirectory(cat)
1938 add_subdirectory(tar)
1939 add_subdirectory(cpio)