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 ${LZ4_LIBRARY})
 530   #
 531   # TODO: test for static library.
 532   #
 533 ENDIF(LZ4_FOUND)
 534 MARK_AS_ADVANCED(CLEAR LZ4_INCLUDE_DIR)
 535 MARK_AS_ADVANCED(CLEAR LZ4_LIBRARY)
 536
 537 #
 538 # Check headers
 539 #
 540 CHECK_HEADER_DIRENT()
 541
 542 SET(INCLUDES "")
 543 MACRO (LA_CHECK_INCLUDE_FILE header var)
 544       CHECK_INCLUDE_FILES("${INCLUDES};${header}" ${var})
 545       IF (${var})
 546          SET(INCLUDES ${INCLUDES} ${header})
 547       ENDIF (${var})
 548 ENDMACRO (LA_CHECK_INCLUDE_FILE)
 549
 550 # Some FreeBSD headers assume sys/types.h was already included.
 551 LA_CHECK_INCLUDE_FILE("sys/types.h" HAVE_SYS_TYPES_H)
 552
 553 # Alphabetize the rest unless there's a compelling reason
 554 LA_CHECK_INCLUDE_FILE("acl/libacl.h" HAVE_ACL_LIBACL_H)
 555 LA_CHECK_INCLUDE_FILE("ctype.h" HAVE_CTYPE_H)
 556 LA_CHECK_INCLUDE_FILE("copyfile.h" HAVE_COPYFILE_H)
 557 LA_CHECK_INCLUDE_FILE("direct.h" HAVE_DIRECT_H)
 558 LA_CHECK_INCLUDE_FILE("dlfcn.h" HAVE_DLFCN_H)
 559 LA_CHECK_INCLUDE_FILE("errno.h" HAVE_ERRNO_H)
 560 LA_CHECK_INCLUDE_FILE("ext2fs/ext2_fs.h" HAVE_EXT2FS_EXT2_FS_H)
 561
 562 CHECK_C_SOURCE_COMPILES("#include <sys/ioctl.h>
 563 #include <ext2fs/ext2_fs.h>
 564 int main(void) { return EXT2_IOC_GETFLAGS; }" HAVE_WORKING_EXT2_IOC_GETFLAGS)
 565
 566 LA_CHECK_INCLUDE_FILE("fcntl.h" HAVE_FCNTL_H)
 567 LA_CHECK_INCLUDE_FILE("grp.h" HAVE_GRP_H)
 568 LA_CHECK_INCLUDE_FILE("inttypes.h" HAVE_INTTYPES_H)
 569 LA_CHECK_INCLUDE_FILE("io.h" HAVE_IO_H)
 570 LA_CHECK_INCLUDE_FILE("langinfo.h" HAVE_LANGINFO_H)
 571 LA_CHECK_INCLUDE_FILE("limits.h" HAVE_LIMITS_H)
 572 LA_CHECK_INCLUDE_FILE("linux/types.h" HAVE_LINUX_TYPES_H)
 573 LA_CHECK_INCLUDE_FILE("linux/fiemap.h" HAVE_LINUX_FIEMAP_H)
 574 LA_CHECK_INCLUDE_FILE("linux/fs.h" HAVE_LINUX_FS_H)
 575 LA_CHECK_INCLUDE_FILE("linux/magic.h" HAVE_LINUX_MAGIC_H)
 576 LA_CHECK_INCLUDE_FILE("locale.h" HAVE_LOCALE_H)
 577 LA_CHECK_INCLUDE_FILE("memory.h" HAVE_MEMORY_H)
 578 LA_CHECK_INCLUDE_FILE("paths.h" HAVE_PATHS_H)
 579 LA_CHECK_INCLUDE_FILE("poll.h" HAVE_POLL_H)
 580 LA_CHECK_INCLUDE_FILE("process.h" HAVE_PROCESS_H)
 581 LA_CHECK_INCLUDE_FILE("pthread.h" HAVE_PTHREAD_H)
 582 LA_CHECK_INCLUDE_FILE("pwd.h" HAVE_PWD_H)
 583 LA_CHECK_INCLUDE_FILE("readpassphrase.h" HAVE_READPASSPHRASE_H)
 584 LA_CHECK_INCLUDE_FILE("regex.h" HAVE_REGEX_H)
 585 LA_CHECK_INCLUDE_FILE("signal.h" HAVE_SIGNAL_H)
 586 LA_CHECK_INCLUDE_FILE("spawn.h" HAVE_SPAWN_H)
 587 LA_CHECK_INCLUDE_FILE("stdarg.h" HAVE_STDARG_H)
 588 LA_CHECK_INCLUDE_FILE("stdint.h" HAVE_STDINT_H)
 589 LA_CHECK_INCLUDE_FILE("stdlib.h" HAVE_STDLIB_H)
 590 LA_CHECK_INCLUDE_FILE("string.h" HAVE_STRING_H)
 591 LA_CHECK_INCLUDE_FILE("strings.h" HAVE_STRINGS_H)
 592 LA_CHECK_INCLUDE_FILE("sys/acl.h" HAVE_SYS_ACL_H)
 593 LA_CHECK_INCLUDE_FILE("sys/cdefs.h" HAVE_SYS_CDEFS_H)
 594 LA_CHECK_INCLUDE_FILE("sys/ioctl.h" HAVE_SYS_IOCTL_H)
 595 LA_CHECK_INCLUDE_FILE("sys/mkdev.h" HAVE_SYS_MKDEV_H)
 596 LA_CHECK_INCLUDE_FILE("sys/mount.h" HAVE_SYS_MOUNT_H)
 597 LA_CHECK_INCLUDE_FILE("sys/param.h" HAVE_SYS_PARAM_H)
 598 LA_CHECK_INCLUDE_FILE("sys/poll.h" HAVE_SYS_POLL_H)
 599 LA_CHECK_INCLUDE_FILE("sys/select.h" HAVE_SYS_SELECT_H)
 600 LA_CHECK_INCLUDE_FILE("sys/stat.h" HAVE_SYS_STAT_H)
 601 LA_CHECK_INCLUDE_FILE("sys/statfs.h" HAVE_SYS_STATFS_H)
 602 LA_CHECK_INCLUDE_FILE("sys/statvfs.h" HAVE_SYS_STATVFS_H)
 603 LA_CHECK_INCLUDE_FILE("sys/time.h" HAVE_SYS_TIME_H)
 604 LA_CHECK_INCLUDE_FILE("sys/utime.h" HAVE_SYS_UTIME_H)
 605 LA_CHECK_INCLUDE_FILE("sys/utsname.h" HAVE_SYS_UTSNAME_H)
 606 LA_CHECK_INCLUDE_FILE("sys/vfs.h" HAVE_SYS_VFS_H)
 607 LA_CHECK_INCLUDE_FILE("sys/wait.h" HAVE_SYS_WAIT_H)
 608 LA_CHECK_INCLUDE_FILE("time.h" HAVE_TIME_H)
 609 LA_CHECK_INCLUDE_FILE("unistd.h" HAVE_UNISTD_H)
 610 LA_CHECK_INCLUDE_FILE("utime.h" HAVE_UTIME_H)
 611 LA_CHECK_INCLUDE_FILE("wchar.h" HAVE_WCHAR_H)
 612 LA_CHECK_INCLUDE_FILE("wctype.h" HAVE_WCTYPE_H)
 613 LA_CHECK_INCLUDE_FILE("windows.h" HAVE_WINDOWS_H)
 614 IF(ENABLE_CNG)
 615   LA_CHECK_INCLUDE_FILE("Bcrypt.h" HAVE_BCRYPT_H)
 616 ELSE(ENABLE_CNG)
 617   UNSET(HAVE_BCRYPT_H CACHE)
 618 ENDIF(ENABLE_CNG)
 619 # Following files need windows.h, so we should test it after windows.h test.
 620 LA_CHECK_INCLUDE_FILE("wincrypt.h" HAVE_WINCRYPT_H)
 621 LA_CHECK_INCLUDE_FILE("winioctl.h" HAVE_WINIOCTL_H)
 622
 623 #
 624 # Check whether use of __EXTENSIONS__ is safe.
 625 # We need some macro such as _GNU_SOURCE to use extension functions.
 626 #
 627 SET(_INCLUDE_FILES)
 628 FOREACH (it ${_HEADER})
 629    SET(_INCLUDE_FILES "${_INCLUDE_FILES}#include <${it}>\n")
 630 ENDFOREACH (it)
 631
 632 CHECK_C_SOURCE_COMPILES(
 633   "#define __EXTENSIONS__ 1
 634    ${_INCLUDE_FILES}
 635    int main() { return 0;}"
 636  SAFE_TO_DEFINE_EXTENSIONS)
 637
 638 #
 639 # Find Nettle
 640 #
 641 IF(ENABLE_NETTLE)
 642   FIND_PACKAGE(Nettle)
 643   IF(NETTLE_FOUND)
 644     SET(HAVE_LIBNETTLE 1)
 645     LIST(APPEND ADDITIONAL_LIBS ${NETTLE_LIBRARIES})
 646     INCLUDE_DIRECTORIES(${NETTLE_INCLUDE_DIR})
 647
 648     LIST(APPEND CMAKE_REQUIRED_INCLUDES ${NETTLE_INCLUDE_DIR})
 649     LA_CHECK_INCLUDE_FILE("nettle/aes.h" HAVE_NETTLE_AES_H)
 650     LA_CHECK_INCLUDE_FILE("nettle/hmac.h" HAVE_NETTLE_HMAC_H)
 651     LA_CHECK_INCLUDE_FILE("nettle/md5.h" HAVE_NETTLE_MD5_H)
 652     LA_CHECK_INCLUDE_FILE("nettle/pbkdf2.h" HAVE_NETTLE_PBKDF2_H)
 653     LA_CHECK_INCLUDE_FILE("nettle/ripemd160.h" HAVE_NETTLE_RIPEMD160_H)
 654     LA_CHECK_INCLUDE_FILE("nettle/sha.h" HAVE_NETTLE_SHA_H)
 655
 656   ENDIF(NETTLE_FOUND)
 657   MARK_AS_ADVANCED(CLEAR NETTLE_INCLUDE_DIR)
 658   MARK_AS_ADVANCED(CLEAR NETTLE_LIBRARIES)
 659 ENDIF(ENABLE_NETTLE)
 660
 661 #
 662 # Find OpenSSL
 663 # (Except on Mac, where OpenSSL is deprecated.)
 664 #
 665 IF(ENABLE_OPENSSL AND NOT CMAKE_SYSTEM_NAME MATCHES "Darwin")
 666   FIND_PACKAGE(OpenSSL)
 667   IF(OPENSSL_FOUND)
 668     SET(HAVE_LIBCRYPTO 1)
 669     INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
 670     LIST(APPEND ADDITIONAL_LIBS ${OPENSSL_CRYPTO_LIBRARY})
 671   ENDIF(OPENSSL_FOUND)
 672 ELSE()
 673   SET(OPENSSL_FOUND FALSE) # Override cached value
 674 ENDIF()
 675
 676 # FreeBSD libmd
 677 IF(NOT OPENSSL_FOUND)
 678   CHECK_LIBRARY_EXISTS(md "MD5Init" "" LIBMD_FOUND)
 679   IF(LIBMD_FOUND)
 680     CMAKE_PUSH_CHECK_STATE()    # Save the state of the variables
 681     SET(CMAKE_REQUIRED_LIBRARIES "md")
 682     FIND_LIBRARY(LIBMD_LIBRARY NAMES md)
 683     LIST(APPEND ADDITIONAL_LIBS ${LIBMD_LIBRARY})
 684     CMAKE_POP_CHECK_STATE()     # Restore the state of the variables
 685   ENDIF(LIBMD_FOUND)
 686 ENDIF(NOT OPENSSL_FOUND)
 687
 688 #
 689 # How to prove that CRYPTO functions, which have several names on various
 690 # platforms, just see if archive_digest.c can compile and link against
 691 # required libraries.
 692 #
 693 MACRO(CHECK_CRYPTO ALGORITHMS IMPLEMENTATION)
 694     FOREACH(ALGORITHM ${ALGORITHMS})
 695       IF(NOT ARCHIVE_CRYPTO_${ALGORITHM})
 696       STRING(TOLOWER "${ALGORITHM}" lower_algorithm)
 697       STRING(TOUPPER "${ALGORITHM}" algorithm)
 698       IF ("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND NOT OPENSSL_FOUND)
 699         SET(ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} FALSE)
 700       ELSEIF("${IMPLEMENTATION}" MATCHES "^NETTLE$" AND NOT NETTLE_FOUND)
 701         SET(ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} FALSE)
 702       ENDIF("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND NOT OPENSSL_FOUND)
 703
 704       IF(NOT DEFINED ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 705         # Probe the local implementation for whether this
 706         # crypto implementation is available on this platform.
 707         SET(TRY_CRYPTO_REQUIRED_INCLUDES
 708           "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}/libarchive;${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp")
 709         SET(TRY_CRYPTO_REQUIRED_LIBS)
 710         IF ("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND OPENSSL_FOUND)
 711             SET(TRY_CRYPTO_REQUIRED_INCLUDES
 712               "${TRY_CRYPTO_REQUIRED_INCLUDES};${OPENSSL_INCLUDE_DIR}")
 713             SET(TRY_CRYPTO_REQUIRED_LIBS
 714                 "-DLINK_LIBRARIES:STRING=${OPENSSL_LIBRARIES}")
 715         ELSEIF("${IMPLEMENTATION}" MATCHES "^NETTLE$" AND NETTLE_FOUND)
 716             SET(TRY_CRYPTO_REQUIRED_INCLUDES
 717               "${TRY_CRYPTO_REQUIRED_INCLUDES};${NETTLE_INCLUDE_DIR}")
 718             SET(TRY_CRYPTO_REQUIRED_LIBS
 719                 "-DLINK_LIBRARIES:STRING=${NETTLE_LIBRARY}")
 720         ELSEIF("${IMPLEMENTATION}" MATCHES "^LIBMD$" AND LIBMD_FOUND)
 721             SET(TRY_CRYPTO_REQUIRED_LIBS
 722                 "-DLINK_LIBRARIES:STRING=${LIBMD_LIBRARY}")
 723         ENDIF("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND OPENSSL_FOUND)
 724
 725     CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/build/cmake/config.h.in
 726       ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/confdefs.h)
 727         FILE(READ "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/confdefs.h"
 728              CONFDEFS_H)
 729         FILE(READ "${CMAKE_CURRENT_SOURCE_DIR}/libarchive/archive_digest.c"
 730              ARCHIVE_CRYPTO_C)
 731
 732         SET(SOURCE "${CONFDEFS_H}
 733
 734 #define ARCHIVE_${algorithm}_COMPILE_TEST
 735 #define ARCHIVE_CRYPTO_${algorithm}_${IMPLEMENTATION}
 736 #define PLATFORM_CONFIG_H \"check_crypto_md.h\"
 737
 738 ${ARCHIVE_CRYPTO_C}
 739
 740 int
 741 main(int argc, char **argv)
 742 {
 743   archive_${lower_algorithm}_ctx ctx;
 744   archive_${lower_algorithm}_init(&ctx);
 745   archive_${lower_algorithm}_update(&ctx, *argv, argc);
 746   archive_${lower_algorithm}_final(&ctx, NULL);
 747   return 0;
 748 }
 749 ")
 750
 751   FILE(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_crypto_md.h" "")
 752         FILE(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_crypto_md.c" "${SOURCE}")
 753         MESSAGE(STATUS "Checking support for ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION}")
 754
 755         TRY_COMPILE(ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION}
 756           ${CMAKE_BINARY_DIR}
 757           ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_crypto_md.c
 758           CMAKE_FLAGS
 759            "${TRY_CRYPTO_REQUIRED_LIBS}"
 760            "${TRY_CRYPTO_REQUIRED_INCLUDES}"
 761           OUTPUT_VARIABLE OUTPUT)
 762
 763         # Inform user whether or not we found it; if not, log why we didn't.
 764         IF (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 765           MESSAGE(STATUS "Checking support for ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} -- found")
 766                   SET(ARCHIVE_CRYPTO_${ALGORITHM} 1)
 767         ELSE (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 768           MESSAGE(STATUS "Checking support for ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} -- not found")
 769           FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
 770             "Checking support for ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} failed with the following output:\n"
 771             "${OUTPUT}\n"
 772             "Source file was:\n${SOURCE}\n")
 773         ENDIF (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 774       ENDIF(NOT DEFINED ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 775
 776       # Add appropriate libs/includes depending on whether the implementation
 777       # was found on this platform.
 778       IF (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 779         IF ("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND OPENSSL_FOUND)
 780           INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
 781           LIST(APPEND ADDITIONAL_LIBS ${OPENSSL_LIBRARIES})
 782            LIST(REMOVE_DUPLICATES ADDITIONAL_LIBS)
 783         ENDIF ("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND OPENSSL_FOUND)
 784       ENDIF (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 785       ENDIF(NOT ARCHIVE_CRYPTO_${ALGORITHM})
 786     ENDFOREACH(ALGORITHM ${ALGORITHMS})
 787 ENDMACRO(CHECK_CRYPTO ALGORITHMS IMPLEMENTATION)
 788
 789 #
 790 # CRYPTO functions on Windows is defined at archive_windows.c, thus we do not
 791 # need the test what the functions can be mapped to archive_{crypto name}_init,
 792 # archive_{crypto name}_update and archive_{crypto name}_final.
 793 # The functions on Windows use CALG_{crypto name} macro to create a crypt object
 794 # and then we need to know what CALG_{crypto name} macros is available to show
 795 # ARCHIVE_CRYPTO_{crypto name}_WIN macros because Windows 2000 and earlier version
 796 # of Windows XP do not support SHA256, SHA384 and SHA512.
 797 #
 798 MACRO(CHECK_CRYPTO_WIN CRYPTO_LIST)
 799   IF(WIN32 AND NOT CYGWIN)
 800     FOREACH(CRYPTO ${CRYPTO_LIST})
 801       IF(NOT ARCHIVE_CRYPTO_${CRYPTO})
 802       IF(NOT DEFINED ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 803         STRING(TOUPPER "${CRYPTO}" crypto)
 804         SET(ALGID "")
 805         IF ("${CRYPTO}" MATCHES "^MD5$")
 806             SET(ALGID "CALG_MD5")
 807         ENDIF ("${CRYPTO}" MATCHES "^MD5$")
 808         IF ("${CRYPTO}" MATCHES "^SHA1$")
 809             SET(ALGID "CALG_SHA1")
 810         ENDIF ("${CRYPTO}" MATCHES "^SHA1$")
 811         IF ("${CRYPTO}" MATCHES "^SHA256$")
 812             SET(ALGID "CALG_SHA_256")
 813         ENDIF ("${CRYPTO}" MATCHES "^SHA256$")
 814         IF ("${CRYPTO}" MATCHES "^SHA384$")
 815             SET(ALGID "CALG_SHA_384")
 816         ENDIF ("${CRYPTO}" MATCHES "^SHA384$")
 817         IF ("${CRYPTO}" MATCHES "^SHA512$")
 818             SET(ALGID "CALG_SHA_512")
 819         ENDIF ("${CRYPTO}" MATCHES "^SHA512$")
 820
 821     CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/build/cmake/config.h.in
 822       ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/confdefs.h)
 823         FILE(READ "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/confdefs.h"
 824              CONFDEFS_H)
 825
 826         SET(SOURCE "${CONFDEFS_H}
 827
 828 #define ${crypto}_COMPILE_TEST
 829 #include <windows.h>
 830 #include <wincrypt.h>
 831
 832 int
 833 main(int argc, char **argv)
 834 {
 835         return ${ALGID};
 836 }
 837 ")
 838         SET(SOURCE_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_crypto_win.c")
 839
 840         FILE(WRITE "${SOURCE_FILE}" "${SOURCE}")
 841         MESSAGE(STATUS "Checking support for ARCHIVE_CRYPTO_${CRYPTO}_WIN")
 842
 843         TRY_COMPILE(ARCHIVE_CRYPTO_${CRYPTO}_WIN
 844           ${CMAKE_BINARY_DIR}
 845           ${SOURCE_FILE}
 846           CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}/libarchive"
 847           OUTPUT_VARIABLE OUTPUT)
 848
 849         IF (ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 850             MESSAGE(STATUS
 851                 "Checking support for ARCHIVE_CRYPTO_${CRYPTO}_WIN -- found")
 852                 SET(ARCHIVE_CRYPTO_${CRYPTO} 1)
 853         ELSE (ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 854             MESSAGE(STATUS
 855                  "Checking support for ARCHIVE_CRYPTO_${CRYPTO}_WIN -- not found")
 856             FILE(APPEND
 857                 ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
 858                 "Checking support for ARCHIVE_CRYPTO_${CRYPTO}_WIN failed with the following output:\n"
 859                 "${OUTPUT}\n"
 860                 "Source file was:\n${SOURCE}\n")
 861         ENDIF (ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 862
 863       ENDIF(NOT DEFINED ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 864       ENDIF(NOT ARCHIVE_CRYPTO_${CRYPTO})
 865     ENDFOREACH(CRYPTO)
 866   ENDIF(WIN32 AND NOT CYGWIN)
 867 ENDMACRO(CHECK_CRYPTO_WIN CRYPTO_LIST)
 868
 869 #
 870 # Find iconv
 871 # POSIX defines the second arg as const char **
 872 # and requires it to be in libc.  But we can accept
 873 # a non-const argument here and can support iconv()
 874 # being in libiconv.
 875 #
 876 MACRO(CHECK_ICONV LIB TRY_ICONV_CONST)
 877   IF(NOT HAVE_ICONV)
 878     CMAKE_PUSH_CHECK_STATE()    # Save the state of the variables
 879     IF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR
 880         CMAKE_C_COMPILER_ID MATCHES "^Clang$")
 881       #
 882       # During checking iconv proto type, we should use -Werror to avoid the
 883       # success of iconv detection with a warnig which success is a miss
 884       # detection. So this needs for all build mode(even it's a release mode).
 885       #
 886       SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror")
 887     ENDIF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR
 888            CMAKE_C_COMPILER_ID MATCHES "^Clang$")
 889     IF (CMAKE_C_COMPILER_ID MATCHES "^XL$")
 890       SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -qhalt=w -qflag=w:w")
 891     ENDIF (CMAKE_C_COMPILER_ID MATCHES "^XL$")
 892     IF (MSVC)
 893       # NOTE: /WX option is the same as gcc's -Werror option.
 894       SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} /WX")
 895     ENDIF (MSVC)
 896     #
 897     CHECK_C_SOURCE_COMPILES(
 898       "#include <stdlib.h>
 899        #include <iconv.h>
 900        int main() {
 901           ${TRY_ICONV_CONST} char *ccp;
 902           iconv_t cd = iconv_open(\"\", \"\");
 903           iconv(cd, &ccp, (size_t *)0, (char **)0, (size_t *)0);
 904           iconv_close(cd);
 905           return 0;
 906        }"
 907      HAVE_ICONV_${LIB}_${TRY_ICONV_CONST})
 908     IF(HAVE_ICONV_${LIB}_${TRY_ICONV_CONST})
 909       SET(HAVE_ICONV true)
 910       SET(ICONV_CONST ${TRY_ICONV_CONST})
 911     ENDIF(HAVE_ICONV_${LIB}_${TRY_ICONV_CONST})
 912     CMAKE_POP_CHECK_STATE()     # Restore the state of the variables
 913   ENDIF(NOT HAVE_ICONV)
 914 ENDMACRO(CHECK_ICONV TRY_ICONV_CONST)
 915
 916 IF(ENABLE_ICONV)
 917   CMAKE_PUSH_CHECK_STATE()      # Save the state of the variables
 918   FIND_PATH(ICONV_INCLUDE_DIR iconv.h)
 919   IF(ICONV_INCLUDE_DIR)
 920     #SET(INCLUDES ${INCLUDES} "iconv.h")
 921     SET(HAVE_ICONV_H 1)
 922     INCLUDE_DIRECTORIES(${ICONV_INCLUDE_DIR})
 923     SET(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
 924     CHECK_ICONV("libc" "const")
 925     CHECK_ICONV("libc" "")
 926
 927     # If iconv isn't in libc and we have a libiconv, try that.
 928     FIND_LIBRARY(LIBICONV_PATH NAMES iconv libiconv)
 929     IF(NOT HAVE_ICONV AND LIBICONV_PATH)
 930       LIST(APPEND CMAKE_REQUIRED_LIBRARIES ${LIBICONV_PATH})
 931       # Test if a macro is needed for the library.
 932       TRY_MACRO_FOR_LIBRARY(
 933         "${ICONV_INCLUDE_DIR}" "${LIBICONV_PATH}"
 934         COMPILES
 935         "#include <iconv.h>\nint main() {return iconv_close((iconv_t)0);}"
 936         "WITHOUT_LIBICONV_STATIC;LIBICONV_STATIC")
 937       IF(NOT WITHOUT_LIBICONV_STATIC AND LIBICONV_STATIC)
 938         ADD_DEFINITIONS(-DLIBICONV_STATIC)
 939       ENDIF(NOT WITHOUT_LIBICONV_STATIC AND LIBICONV_STATIC)
 940       #
 941       # Set up CMAKE_REQUIRED_* for CHECK_ICONV
 942       #
 943       SET(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
 944       SET(CMAKE_REQUIRED_LIBRARIES ${LIBICONV_PATH})
 945       IF(LIBICONV_STATIC)
 946         # LIBICONV_STATIC is necessary for the success of CHECK_ICONV
 947         # on Windows.
 948         SET(CMAKE_REQUIRED_DEFINITIONS "-DLIBICONV_STATIC")
 949       ELSE(LIBICONV_STATIC)
 950         SET(CMAKE_REQUIRED_DEFINITIONS)
 951       ENDIF(LIBICONV_STATIC)
 952       CHECK_ICONV("libiconv" "const")
 953       CHECK_ICONV("libiconv" "")
 954       IF (HAVE_ICONV)
 955         LIST(APPEND ADDITIONAL_LIBS ${LIBICONV_PATH})
 956       ENDIF(HAVE_ICONV)
 957     ENDIF(NOT HAVE_ICONV AND LIBICONV_PATH)
 958   ENDIF(ICONV_INCLUDE_DIR)
 959   #
 960   # Find locale_charset() for libiconv.
 961   #
 962   IF(LIBICONV_PATH)
 963     SET(CMAKE_REQUIRED_DEFINITIONS)
 964     SET(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
 965     SET(CMAKE_REQUIRED_LIBRARIES)
 966     CHECK_INCLUDE_FILES("localcharset.h" HAVE_LOCALCHARSET_H)
 967     FIND_LIBRARY(LIBCHARSET_PATH NAMES charset libcharset)
 968     IF(LIBCHARSET_PATH)
 969       SET(CMAKE_REQUIRED_LIBRARIES ${LIBCHARSET_PATH})
 970       IF(WIN32 AND NOT CYGWIN)
 971         # Test if a macro is needed for the library.
 972         TRY_MACRO_FOR_LIBRARY(
 973           "${ICONV_INCLUDE_DIR}" "${LIBCHARSET_PATH}"
 974           COMPILES
 975           "#include <localcharset.h>\nint main() {return locale_charset()?1:0;}"
 976           "WITHOUT_LIBCHARSET_STATIC;LIBCHARSET_STATIC")
 977         IF(NOT WITHOUT_LIBCHARSET_STATIC AND LIBCHARSET_STATIC)
 978           ADD_DEFINITIONS(-DLIBCHARSET_STATIC)
 979         ENDIF(NOT WITHOUT_LIBCHARSET_STATIC AND LIBCHARSET_STATIC)
 980         IF(WITHOUT_LIBCHARSET_STATIC OR LIBCHARSET_STATIC)
 981           SET(HAVE_LOCALE_CHARSET ON CACHE INTERNAL
 982               "Have function locale_charset")
 983         ENDIF(WITHOUT_LIBCHARSET_STATIC OR LIBCHARSET_STATIC)
 984       ELSE(WIN32 AND NOT CYGWIN)
 985         CHECK_FUNCTION_EXISTS_GLIBC(locale_charset HAVE_LOCALE_CHARSET)
 986       ENDIF(WIN32 AND NOT CYGWIN)
 987       IF(HAVE_LOCALE_CHARSET)
 988         LIST(APPEND ADDITIONAL_LIBS ${LIBCHARSET_PATH})
 989       ENDIF(HAVE_LOCALE_CHARSET)
 990     ENDIF(LIBCHARSET_PATH)
 991   ENDIF(LIBICONV_PATH)
 992   CMAKE_POP_CHECK_STATE()       # Restore the state of the variables
 993 ELSE(ENABLE_ICONV)
 994   # Make sure ICONV variables are not in CACHE after ENABLE_ICONV disabled
 995   # (once enabled).
 996   UNSET(HAVE_LOCALE_CHARSET CACHE)
 997   UNSET(HAVE_ICONV CACHE)
 998   UNSET(HAVE_ICONV_libc_ CACHE)
 999   UNSET(HAVE_ICONV_libc_const CACHE)
1000   UNSET(HAVE_ICONV_libiconv_ CACHE)
1001   UNSET(HAVE_ICONV_libiconv_const CACHE)
1002   UNSET(ICONV_INCLUDE_DIR CACHE)
1003   UNSET(LIBICONV_PATH CACHE)
1004   UNSET(LIBICONV_DLL CACHE)
1005   UNSET(LIBICONV_STATIC CACHE)
1006   UNSET(LIBCHARSET_DLL CACHE)
1007   UNSET(LIBCHARSET_STATIC CACHE)
1008 ENDIF(ENABLE_ICONV)
1009
1010 #
1011 # Find Libxml2
1012 #
1013 IF(ENABLE_LIBXML2)
1014   FIND_PACKAGE(LibXml2)
1015 ELSE()
1016   SET(LIBXML2_FOUND FALSE)
1017 ENDIF()
1018 IF(LIBXML2_FOUND)
1019   CMAKE_PUSH_CHECK_STATE()      # Save the state of the variables
1020   INCLUDE_DIRECTORIES(${LIBXML2_INCLUDE_DIR})
1021   LIST(APPEND ADDITIONAL_LIBS ${LIBXML2_LIBRARIES})
1022   SET(HAVE_LIBXML2 1)
1023   # libxml2's include files use iconv.h
1024   SET(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR} ${LIBXML2_INCLUDE_DIR})
1025   CHECK_INCLUDE_FILES("libxml/xmlreader.h" HAVE_LIBXML_XMLREADER_H)
1026   CHECK_INCLUDE_FILES("libxml/xmlwriter.h" HAVE_LIBXML_XMLWRITER_H)
1027   # Test if a macro is needed for the library.
1028   TRY_MACRO_FOR_LIBRARY(
1029     "${ICONV_INCLUDE_DIR};${LIBXML2_INCLUDE_DIR}"
1030     "ws2_32.lib;${ZLIB_LIBRARIES};${LIBICONV_PATH};${LIBXML2_LIBRARIES}"
1031     COMPILES
1032     "#include <stddef.h>\n#include <libxml/xmlreader.h>\nint main() {return xmlTextReaderRead((xmlTextReaderPtr)(void *)0);}"
1033     "WITHOUT_LIBXML_STATIC;LIBXML_STATIC")
1034   IF(NOT WITHOUT_LIBXML_STATIC AND LIBXML_STATIC)
1035     ADD_DEFINITIONS(-DLIBXML_STATIC)
1036   ENDIF(NOT WITHOUT_LIBXML_STATIC AND LIBXML_STATIC)
1037   CMAKE_POP_CHECK_STATE()       # Restore the state of the variables
1038 ELSE(LIBXML2_FOUND)
1039   #
1040   # Find Expat
1041   #
1042   IF(ENABLE_EXPAT)
1043     FIND_PACKAGE(EXPAT)
1044   ELSE()
1045     SET(EXPAT_FOUND FALSE)
1046   ENDIF()
1047   IF(EXPAT_FOUND)
1048     CMAKE_PUSH_CHECK_STATE()    # Save the state of the variables
1049     INCLUDE_DIRECTORIES(${EXPAT_INCLUDE_DIR})
1050     LIST(APPEND ADDITIONAL_LIBS ${EXPAT_LIBRARIES})
1051     SET(HAVE_LIBEXPAT 1)
1052     LA_CHECK_INCLUDE_FILE("expat.h" HAVE_EXPAT_H)
1053     CMAKE_POP_CHECK_STATE()     # Restore the state of the variables
1054   ENDIF(EXPAT_FOUND)
1055 ENDIF(LIBXML2_FOUND)
1056 MARK_AS_ADVANCED(CLEAR LIBXML2_INCLUDE_DIR)
1057 MARK_AS_ADVANCED(CLEAR LIBXML2_LIBRARIES)
1058
1059 #
1060 # POSIX Regular Expression support
1061 #
1062 IF(POSIX_REGEX_LIB MATCHES "^(AUTO|LIBC|LIBREGEX)$")
1063   #
1064   # If PCREPOSIX is not found or not requested, try using regex
1065   # from libc or libregex
1066   #
1067   FIND_PATH(REGEX_INCLUDE_DIR regex.h)
1068   IF(REGEX_INCLUDE_DIR)
1069     CHECK_FUNCTION_EXISTS_GLIBC(regcomp HAVE_REGCOMP_LIBC)
1070     #
1071     # If libc does not provide regex, find libregex.
1072     #
1073     IF(NOT HAVE_REGCOMP_LIBC)
1074       CMAKE_PUSH_CHECK_STATE()  # Save the state of the variables
1075       FIND_LIBRARY(REGEX_LIBRARY regex)
1076       IF(REGEX_LIBRARY)
1077         SET(CMAKE_REQUIRED_LIBRARIES ${REGEX_LIBRARY})
1078         CHECK_FUNCTION_EXISTS_GLIBC(regcomp HAVE_REGCOMP_LIBREGEX)
1079         IF(HAVE_REGCOMP_LIBREGEX)
1080           LIST(APPEND ADDITIONAL_LIBS ${REGEX_LIBRARY})
1081           #
1082           # If regex.h is not found, retry looking for regex.h at
1083           # REGEX_INCLUDE_DIR
1084           #
1085           IF(NOT HAVE_REGEX_H)
1086             UNSET(HAVE_REGEX_H CACHE)
1087             INCLUDE_DIRECTORIES(${REGEX_INCLUDE_DIR})
1088             SET(CMAKE_REQUIRED_INCLUDES ${REGEX_INCLUDE_DIR})
1089             LA_CHECK_INCLUDE_FILE("regex.h" HAVE_REGEX_H)
1090           ENDIF(NOT HAVE_REGEX_H)
1091           # Test if a macro is needed for the library.
1092           TRY_MACRO_FOR_LIBRARY(
1093             "${REGEX_INCLUDE_DIR}" "${REGEX_LIBRARY}"
1094             COMPILES
1095             "#include <stddef.h>\n#include <regex.h>\nint main() {regex_t r;return regcomp(&r, \"\", 0);}"
1096             "USE_REGEX_DLL;USE_REGEX_STATIC")
1097           IF(USE_REGEX_DLL)
1098             ADD_DEFINITIONS(-DUSE_REGEX_DLL)
1099           ELSEIF(USE_REGEX_STATIC)
1100             ADD_DEFINITIONS(-DUSE_REGEX_STATIC)
1101           ENDIF(USE_REGEX_DLL)
1102         ENDIF(HAVE_REGCOMP_LIBREGEX)
1103       ENDIF(REGEX_LIBRARY)
1104       CMAKE_POP_CHECK_STATE()   # Restore the state of the variables
1105     ENDIF(NOT HAVE_REGCOMP_LIBC)
1106   ENDIF(REGEX_INCLUDE_DIR)
1107   IF(HAVE_REGCOMP_LIBC OR HAVE_REGCOMP_LIBREGEX)
1108     SET(FOUND_POSIX_REGEX_LIB 1)
1109   ENDIF(HAVE_REGCOMP_LIBC OR HAVE_REGCOMP_LIBREGEX)
1110 ENDIF(POSIX_REGEX_LIB MATCHES "^(AUTO|LIBC|LIBREGEX)$")
1111
1112 IF(NOT FOUND_POSIX_REGEX_LIB AND POSIX_REGEX_LIB MATCHES "^(AUTO|LIBPCREPOSIX)$")
1113   #
1114   # If requested, try finding library for PCREPOSIX
1115   #
1116   IF(ENABLE_LibGCC)
1117     FIND_PACKAGE(LibGCC)
1118   ELSE()
1119     SET(LIBGCC_FOUND FALSE) # Override cached value
1120   ENDIF()
1121   IF(ENABLE_PCREPOSIX)
1122     FIND_PACKAGE(PCREPOSIX)
1123   ELSE()
1124     SET(PCREPOSIX_FOUND FALSE) # Override cached value
1125   ENDIF()
1126   IF(PCREPOSIX_FOUND)
1127     INCLUDE_DIRECTORIES(${PCRE_INCLUDE_DIR})
1128     LIST(APPEND ADDITIONAL_LIBS ${PCREPOSIX_LIBRARIES})
1129     # Test if a macro is needed for the library.
1130     TRY_MACRO_FOR_LIBRARY(
1131       "${PCRE_INCLUDE_DIR}" "${PCREPOSIX_LIBRARIES}"
1132       COMPILES
1133       "#include <pcreposix.h>\nint main() {regex_t r;return regcomp(&r, \"\", 0);}"
1134       "WITHOUT_PCRE_STATIC;PCRE_STATIC")
1135     IF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1136       ADD_DEFINITIONS(-DPCRE_STATIC)
1137         ELSEIF(NOT WITHOUT_PCRE_STATIC AND NOT PCRE_STATIC AND PCRE_FOUND)
1138           # Determine if pcre static libraries are to be used.
1139       LIST(APPEND ADDITIONAL_LIBS ${PCRE_LIBRARIES})
1140       SET(TMP_LIBRARIES ${PCREPOSIX_LIBRARIES} ${PCRE_LIBRARIES})
1141       MESSAGE(STATUS "trying again with -lpcre included")
1142       TRY_MACRO_FOR_LIBRARY(
1143         "${PCRE_INCLUDE_DIR}" "${TMP_LIBRARIES}"
1144         COMPILES
1145         "#include <pcreposix.h>\nint main() {regex_t r;return regcomp(&r, \"\", 0);}"
1146         "WITHOUT_PCRE_STATIC;PCRE_STATIC")
1147       IF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1148         ADD_DEFINITIONS(-DPCRE_STATIC)
1149       ELSEIF(NOT WITHOUT_PCRE_STATIC AND NOT PCRE_STATIC AND MSVC AND LIBGCC_FOUND)
1150         # When doing a Visual Studio build using pcre static libraries
1151         # built using the mingw toolchain, -lgcc is needed to resolve
1152         # ___chkstk_ms.
1153         MESSAGE(STATUS "Visual Studio build detected, trying again with -lgcc included")
1154         LIST(APPEND ADDITIONAL_LIBS ${LIBGCC_LIBRARIES})
1155         SET(TMP_LIBRARIES ${PCREPOSIX_LIBRARIES} ${PCRE_LIBRARIES} ${LIBGCC_LIBRARIES})
1156           TRY_MACRO_FOR_LIBRARY(
1157             "${PCRE_INCLUDE_DIR}" "${TMP_LIBRARIES}"
1158             COMPILES
1159             "#include <pcreposix.h>\nint main() {regex_t r;return regcomp(&r, \"\", 0);}"
1160             "WITHOUT_PCRE_STATIC;PCRE_STATIC")
1161           IF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1162             ADD_DEFINITIONS(-DPCRE_STATIC)
1163           ENDIF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1164       ENDIF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1165     ENDIF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1166   ENDIF(PCREPOSIX_FOUND)
1167   MARK_AS_ADVANCED(CLEAR PCRE_INCLUDE_DIR)
1168   MARK_AS_ADVANCED(CLEAR PCREPOSIX_LIBRARIES)
1169   MARK_AS_ADVANCED(CLEAR PCRE_LIBRARIES)
1170   MARK_AS_ADVANCED(CLEAR LIBGCC_LIBRARIES)
1171 ENDIF(NOT FOUND_POSIX_REGEX_LIB AND POSIX_REGEX_LIB MATCHES "^(AUTO|LIBPCREPOSIX)$")
1172
1173 #
1174 # Check functions
1175 #
1176 CMAKE_PUSH_CHECK_STATE()        # Save the state of the variables
1177 IF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR
1178     CMAKE_C_COMPILER_ID MATCHES "^Clang$")
1179   #
1180   # During checking functions, we should use -fno-builtin to avoid the
1181   # failure of function detection which failure is an error "conflicting
1182   # types for built-in function" caused by using -Werror option.
1183   #
1184   SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -fno-builtin")
1185 ENDIF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR
1186        CMAKE_C_COMPILER_ID MATCHES "^Clang$")
1187 CHECK_SYMBOL_EXISTS(_CrtSetReportMode "crtdbg.h" HAVE__CrtSetReportMode)
1188 CHECK_FUNCTION_EXISTS_GLIBC(arc4random_buf HAVE_ARC4RANDOM_BUF)
1189 CHECK_FUNCTION_EXISTS_GLIBC(chflags HAVE_CHFLAGS)
1190 CHECK_FUNCTION_EXISTS_GLIBC(chown HAVE_CHOWN)
1191 CHECK_FUNCTION_EXISTS_GLIBC(chroot HAVE_CHROOT)
1192 CHECK_FUNCTION_EXISTS_GLIBC(ctime_r HAVE_CTIME_R)
1193 CHECK_FUNCTION_EXISTS_GLIBC(dirfd HAVE_DIRFD)
1194 CHECK_FUNCTION_EXISTS_GLIBC(fchdir HAVE_FCHDIR)
1195 CHECK_FUNCTION_EXISTS_GLIBC(fchflags HAVE_FCHFLAGS)
1196 CHECK_FUNCTION_EXISTS_GLIBC(fchmod HAVE_FCHMOD)
1197 CHECK_FUNCTION_EXISTS_GLIBC(fchown HAVE_FCHOWN)
1198 CHECK_FUNCTION_EXISTS_GLIBC(fcntl HAVE_FCNTL)
1199 CHECK_FUNCTION_EXISTS_GLIBC(fdopendir HAVE_FDOPENDIR)
1200 CHECK_FUNCTION_EXISTS_GLIBC(fork HAVE_FORK)
1201 CHECK_FUNCTION_EXISTS_GLIBC(fstat HAVE_FSTAT)
1202 CHECK_FUNCTION_EXISTS_GLIBC(fstatat HAVE_FSTATAT)
1203 CHECK_FUNCTION_EXISTS_GLIBC(fstatfs HAVE_FSTATFS)
1204 CHECK_FUNCTION_EXISTS_GLIBC(fstatvfs HAVE_FSTATVFS)
1205 CHECK_FUNCTION_EXISTS_GLIBC(ftruncate HAVE_FTRUNCATE)
1206 CHECK_FUNCTION_EXISTS_GLIBC(futimens HAVE_FUTIMENS)
1207 CHECK_FUNCTION_EXISTS_GLIBC(futimes HAVE_FUTIMES)
1208 CHECK_FUNCTION_EXISTS_GLIBC(futimesat HAVE_FUTIMESAT)
1209 CHECK_FUNCTION_EXISTS_GLIBC(geteuid HAVE_GETEUID)
1210 CHECK_FUNCTION_EXISTS_GLIBC(getgrgid_r HAVE_GETGRGID_R)
1211 CHECK_FUNCTION_EXISTS_GLIBC(getgrnam_r HAVE_GETGRNAM_R)
1212 CHECK_FUNCTION_EXISTS_GLIBC(getpwnam_r HAVE_GETPWNAM_R)
1213 CHECK_FUNCTION_EXISTS_GLIBC(getpwuid_r HAVE_GETPWUID_R)
1214 CHECK_FUNCTION_EXISTS_GLIBC(getpid HAVE_GETPID)
1215 CHECK_FUNCTION_EXISTS_GLIBC(getvfsbyname HAVE_GETVFSBYNAME)
1216 CHECK_FUNCTION_EXISTS_GLIBC(gmtime_r HAVE_GMTIME_R)
1217 CHECK_FUNCTION_EXISTS_GLIBC(lchflags HAVE_LCHFLAGS)
1218 CHECK_FUNCTION_EXISTS_GLIBC(lchmod HAVE_LCHMOD)
1219 CHECK_FUNCTION_EXISTS_GLIBC(lchown HAVE_LCHOWN)
1220 CHECK_FUNCTION_EXISTS_GLIBC(link HAVE_LINK)
1221 CHECK_FUNCTION_EXISTS_GLIBC(localtime_r HAVE_LOCALTIME_R)
1222 CHECK_FUNCTION_EXISTS_GLIBC(lstat HAVE_LSTAT)
1223 CHECK_FUNCTION_EXISTS_GLIBC(lutimes HAVE_LUTIMES)
1224 CHECK_FUNCTION_EXISTS_GLIBC(mbrtowc HAVE_MBRTOWC)
1225 CHECK_FUNCTION_EXISTS_GLIBC(memmove HAVE_MEMMOVE)
1226 CHECK_FUNCTION_EXISTS_GLIBC(mkdir HAVE_MKDIR)
1227 CHECK_FUNCTION_EXISTS_GLIBC(mkfifo HAVE_MKFIFO)
1228 CHECK_FUNCTION_EXISTS_GLIBC(mknod HAVE_MKNOD)
1229 CHECK_FUNCTION_EXISTS_GLIBC(mkstemp HAVE_MKSTEMP)
1230 CHECK_FUNCTION_EXISTS_GLIBC(nl_langinfo HAVE_NL_LANGINFO)
1231 CHECK_FUNCTION_EXISTS_GLIBC(openat HAVE_OPENAT)
1232 CHECK_FUNCTION_EXISTS_GLIBC(pipe HAVE_PIPE)
1233 CHECK_FUNCTION_EXISTS_GLIBC(poll HAVE_POLL)
1234 CHECK_FUNCTION_EXISTS_GLIBC(posix_spawnp HAVE_POSIX_SPAWNP)
1235 CHECK_FUNCTION_EXISTS_GLIBC(readlink HAVE_READLINK)
1236 CHECK_FUNCTION_EXISTS_GLIBC(readpassphrase HAVE_READPASSPHRASE)
1237 CHECK_FUNCTION_EXISTS_GLIBC(select HAVE_SELECT)
1238 CHECK_FUNCTION_EXISTS_GLIBC(setenv HAVE_SETENV)
1239 CHECK_FUNCTION_EXISTS_GLIBC(setlocale HAVE_SETLOCALE)
1240 CHECK_FUNCTION_EXISTS_GLIBC(sigaction HAVE_SIGACTION)
1241 CHECK_FUNCTION_EXISTS_GLIBC(statfs HAVE_STATFS)
1242 CHECK_FUNCTION_EXISTS_GLIBC(statvfs HAVE_STATVFS)
1243 CHECK_FUNCTION_EXISTS_GLIBC(strchr HAVE_STRCHR)
1244 CHECK_FUNCTION_EXISTS_GLIBC(strdup HAVE_STRDUP)
1245 CHECK_FUNCTION_EXISTS_GLIBC(strerror HAVE_STRERROR)
1246 CHECK_FUNCTION_EXISTS_GLIBC(strncpy_s HAVE_STRNCPY_S)
1247 CHECK_FUNCTION_EXISTS_GLIBC(strrchr HAVE_STRRCHR)
1248 CHECK_FUNCTION_EXISTS_GLIBC(symlink HAVE_SYMLINK)
1249 CHECK_FUNCTION_EXISTS_GLIBC(timegm HAVE_TIMEGM)
1250 CHECK_FUNCTION_EXISTS_GLIBC(tzset HAVE_TZSET)
1251 CHECK_FUNCTION_EXISTS_GLIBC(unsetenv HAVE_UNSETENV)
1252 CHECK_FUNCTION_EXISTS_GLIBC(utime HAVE_UTIME)
1253 CHECK_FUNCTION_EXISTS_GLIBC(utimes HAVE_UTIMES)
1254 CHECK_FUNCTION_EXISTS_GLIBC(utimensat HAVE_UTIMENSAT)
1255 CHECK_FUNCTION_EXISTS_GLIBC(vfork HAVE_VFORK)
1256 CHECK_FUNCTION_EXISTS_GLIBC(wcrtomb HAVE_WCRTOMB)
1257 CHECK_FUNCTION_EXISTS_GLIBC(wcscmp HAVE_WCSCMP)
1258 CHECK_FUNCTION_EXISTS_GLIBC(wcscpy HAVE_WCSCPY)
1259 CHECK_FUNCTION_EXISTS_GLIBC(wcslen HAVE_WCSLEN)
1260 CHECK_FUNCTION_EXISTS_GLIBC(wctomb HAVE_WCTOMB)
1261 CHECK_FUNCTION_EXISTS_GLIBC(_ctime64_s HAVE__CTIME64_S)
1262 CHECK_FUNCTION_EXISTS_GLIBC(_fseeki64 HAVE__FSEEKI64)
1263 CHECK_FUNCTION_EXISTS_GLIBC(_get_timezone HAVE__GET_TIMEZONE)
1264 CHECK_FUNCTION_EXISTS_GLIBC(_localtime64_s HAVE__LOCALTIME64_S)
1265 CHECK_FUNCTION_EXISTS_GLIBC(_mkgmtime64 HAVE__MKGMTIME64)
1266
1267 SET(CMAKE_REQUIRED_LIBRARIES "")
1268 CHECK_FUNCTION_EXISTS(cygwin_conv_path HAVE_CYGWIN_CONV_PATH)
1269 CHECK_FUNCTION_EXISTS(fseeko HAVE_FSEEKO)
1270 CHECK_FUNCTION_EXISTS(strerror_r HAVE_STRERROR_R)
1271 CHECK_FUNCTION_EXISTS(strftime HAVE_STRFTIME)
1272 CHECK_FUNCTION_EXISTS(vprintf HAVE_VPRINTF)
1273 CHECK_FUNCTION_EXISTS(wmemcmp HAVE_WMEMCMP)
1274 CHECK_FUNCTION_EXISTS(wmemcpy HAVE_WMEMCPY)
1275 CHECK_FUNCTION_EXISTS(wmemmove HAVE_WMEMMOVE)
1276
1277 CMAKE_POP_CHECK_STATE() # Restore the state of the variables
1278
1279 CHECK_C_SOURCE_COMPILES(
1280   "#include <sys/types.h>\n#include <sys/mount.h>\nint main(void) { struct vfsconf v; return sizeof(v);}"
1281   HAVE_STRUCT_VFSCONF)
1282
1283 CHECK_C_SOURCE_COMPILES(
1284   "#include <sys/types.h>\n#include <sys/mount.h>\nint main(void) { struct xvfsconf v; return sizeof(v);}"
1285   HAVE_STRUCT_XVFSCONF)
1286
1287 # Make sure we have the POSIX version of readdir_r, not the
1288 # older 2-argument version.
1289 CHECK_C_SOURCE_COMPILES(
1290   "#include <dirent.h>\nint main() {DIR *d = opendir(\".\"); struct dirent e,*r; return readdir_r(d,&e,&r);}"
1291   HAVE_READDIR_R)
1292
1293
1294 # Only detect readlinkat() if we also have AT_FDCWD in unistd.h.
1295 # NOTE: linux requires fcntl.h for AT_FDCWD.
1296 CHECK_C_SOURCE_COMPILES(
1297   "#include <fcntl.h>\n#include <unistd.h>\nint main() {char buf[10]; return readlinkat(AT_FDCWD, \"\", buf, 0);}"
1298   HAVE_READLINKAT)
1299
1300
1301 # To verify major(), we need to both include the header
1302 # of interest and verify that the result can be linked.
1303 # CHECK_FUNCTION_EXISTS doesn't accept a header argument,
1304 # CHECK_SYMBOL_EXISTS doesn't test linkage.
1305 CHECK_C_SOURCE_COMPILES(
1306   "#include <sys/mkdev.h>\nint main() { return major(256); }"
1307   MAJOR_IN_MKDEV)
1308 CHECK_C_SOURCE_COMPILES(
1309   "#include <sys/sysmacros.h>\nint main() { return major(256); }"
1310   MAJOR_IN_SYSMACROS)
1311
1312 CHECK_C_SOURCE_COMPILES(
1313   "#include <lzma.h>\n#if LZMA_VERSION < 50020000\n#error unsupported\n#endif\nint main(void){lzma_stream_encoder_mt(0, 0); return 0;}"
1314   HAVE_LZMA_STREAM_ENCODER_MT)
1315
1316 IF(HAVE_STRERROR_R)
1317   SET(HAVE_DECL_STRERROR_R 1)
1318 ENDIF(HAVE_STRERROR_R)
1319
1320 #
1321 # Check defines
1322 #
1323 SET(headers "limits.h")
1324 IF(HAVE_STDINT_H)
1325   LIST(APPEND headers "stdint.h")
1326 ENDIF(HAVE_STDINT_H)
1327 IF(HAVE_INTTYPES_H)
1328   LIST(APPEND headers "inttypes.h")
1329 ENDIF(HAVE_INTTYPES_H)
1330 CHECK_SYMBOL_EXISTS(EFTYPE           "errno.h"    HAVE_EFTYPE)
1331 CHECK_SYMBOL_EXISTS(EILSEQ           "errno.h"    HAVE_EILSEQ)
1332 CHECK_SYMBOL_EXISTS(D_MD_ORDER       "langinfo.h" HAVE_D_MD_ORDER)
1333 CHECK_SYMBOL_EXISTS(INT32_MAX        "${headers}" HAVE_DECL_INT32_MAX)
1334 CHECK_SYMBOL_EXISTS(INT32_MIN        "${headers}" HAVE_DECL_INT32_MIN)
1335 CHECK_SYMBOL_EXISTS(INT64_MAX        "${headers}" HAVE_DECL_INT64_MAX)
1336 CHECK_SYMBOL_EXISTS(INT64_MIN        "${headers}" HAVE_DECL_INT64_MIN)
1337 CHECK_SYMBOL_EXISTS(INTMAX_MAX       "${headers}" HAVE_DECL_INTMAX_MAX)
1338 CHECK_SYMBOL_EXISTS(INTMAX_MIN       "${headers}" HAVE_DECL_INTMAX_MIN)
1339 CHECK_SYMBOL_EXISTS(UINT32_MAX       "${headers}" HAVE_DECL_UINT32_MAX)
1340 CHECK_SYMBOL_EXISTS(UINT64_MAX       "${headers}" HAVE_DECL_UINT64_MAX)
1341 CHECK_SYMBOL_EXISTS(UINTMAX_MAX      "${headers}" HAVE_DECL_UINTMAX_MAX)
1342 CHECK_SYMBOL_EXISTS(SIZE_MAX         "${headers}" HAVE_DECL_SIZE_MAX)
1343 CHECK_SYMBOL_EXISTS(SSIZE_MAX        "limits.h"   HAVE_DECL_SSIZE_MAX)
1344
1345 #
1346 # Check struct members
1347 #
1348 # Check for tm_gmtoff in struct tm
1349 CHECK_STRUCT_HAS_MEMBER("struct tm" tm_gmtoff
1350     "time.h" HAVE_STRUCT_TM_TM_GMTOFF)
1351 CHECK_STRUCT_HAS_MEMBER("struct tm" __tm_gmtoff
1352     "time.h" HAVE_STRUCT_TM___TM_GMTOFF)
1353
1354 # Check for f_namemax in struct statfs
1355 CHECK_STRUCT_HAS_MEMBER("struct statfs" f_namemax
1356     "sys/param.h;sys/mount.h" HAVE_STRUCT_STATFS_F_NAMEMAX)
1357
1358 # Check for birthtime in struct stat
1359 CHECK_STRUCT_HAS_MEMBER("struct stat" st_birthtime
1360     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_BIRTHTIME)
1361
1362 # Check for high-resolution timestamps in struct stat
1363 CHECK_STRUCT_HAS_MEMBER("struct stat" st_birthtimespec.tv_nsec
1364     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC)
1365 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtimespec.tv_nsec
1366     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC)
1367 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtim.tv_nsec
1368     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
1369 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtime_n
1370     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIME_N)
1371 CHECK_STRUCT_HAS_MEMBER("struct stat" st_umtime
1372     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_UMTIME)
1373 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtime_usec
1374     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIME_USEC)
1375 # Check for block size support in struct stat
1376 CHECK_STRUCT_HAS_MEMBER("struct stat" st_blksize
1377     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_BLKSIZE)
1378 # Check for st_flags in struct stat (BSD fflags)
1379 CHECK_STRUCT_HAS_MEMBER("struct stat" st_flags
1380     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_FLAGS)
1381
1382 IF(HAVE_SYS_STATVFS_H)
1383   CHECK_STRUCT_HAS_MEMBER("struct statvfs" f_iosize
1384     "sys/types.h;sys/statvfs.h" HAVE_STRUCT_STATVFS_F_IOSIZE)
1385 ENDIF()
1386
1387 #
1388 #
1389 CHECK_STRUCT_HAS_MEMBER("struct tm" tm_sec
1390     "sys/types.h;sys/time.h;time.h" TIME_WITH_SYS_TIME)
1391
1392 #
1393 # Check for integer types
1394 #
1395 #
1396 CHECK_TYPE_SIZE("short" SIZE_OF_SHORT)
1397 CHECK_TYPE_SIZE("int" SIZE_OF_INT)
1398 CHECK_TYPE_SIZE("long" SIZE_OF_LONG)
1399 CHECK_TYPE_SIZE("long long"     SIZE_OF_LONG_LONG)
1400
1401 CHECK_TYPE_SIZE("unsigned short" SIZE_OF_UNSIGNED_SHORT)
1402 CHECK_TYPE_SIZE("unsigned" SIZE_OF_UNSIGNED)
1403 CHECK_TYPE_SIZE("unsigned long" SIZE_OF_UNSIGNED_LONG)
1404 CHECK_TYPE_SIZE("unsigned long long" SIZE_OF_UNSIGNED_LONG_LONG)
1405
1406 CHECK_TYPE_SIZE("__int64" __INT64)
1407 CHECK_TYPE_SIZE("unsigned __int64" UNSIGNED___INT64)
1408
1409 CHECK_TYPE_SIZE(int16_t INT16_T)
1410 CHECK_TYPE_SIZE(int32_t INT32_T)
1411 CHECK_TYPE_SIZE(int64_t INT64_T)
1412 CHECK_TYPE_SIZE(intmax_t INTMAX_T)
1413 CHECK_TYPE_SIZE(uint8_t UINT8_T)
1414 CHECK_TYPE_SIZE(uint16_t UINT16_T)
1415 CHECK_TYPE_SIZE(uint32_t UINT32_T)
1416 CHECK_TYPE_SIZE(uint64_t UINT64_T)
1417 CHECK_TYPE_SIZE(uintmax_t UINTMAX_T)
1418
1419 CHECK_TYPE_SIZE(dev_t       DEV_T)
1420 IF(NOT HAVE_DEV_T)
1421   IF(MSVC)
1422     SET(dev_t "unsigned int")
1423   ENDIF(MSVC)
1424 ENDIF(NOT HAVE_DEV_T)
1425 #
1426 CHECK_TYPE_SIZE(gid_t       GID_T)
1427 IF(NOT HAVE_GID_T)
1428   IF(WIN32)
1429     SET(gid_t "short")
1430   ELSE(WIN32)
1431     SET(gid_t "unsigned int")
1432   ENDIF(WIN32)
1433 ENDIF(NOT HAVE_GID_T)
1434 #
1435 CHECK_TYPE_SIZE(id_t        ID_T)
1436 IF(NOT HAVE_ID_T)
1437   IF(WIN32)
1438     SET(id_t "short")
1439   ELSE(WIN32)
1440     SET(id_t "unsigned int")
1441   ENDIF(WIN32)
1442 ENDIF(NOT HAVE_ID_T)
1443 #
1444 CHECK_TYPE_SIZE(mode_t      MODE_T)
1445 IF(NOT HAVE_MODE_T)
1446   IF(WIN32)
1447     SET(mode_t "unsigned short")
1448   ELSE(WIN32)
1449     SET(mode_t "int")
1450   ENDIF(WIN32)
1451 ENDIF(NOT HAVE_MODE_T)
1452 #
1453 CHECK_TYPE_SIZE(off_t       OFF_T)
1454 IF(NOT HAVE_OFF_T)
1455   SET(off_t "__int64")
1456 ENDIF(NOT HAVE_OFF_T)
1457 #
1458 CHECK_TYPE_SIZE(size_t      SIZE_T)
1459 IF(NOT HAVE_SIZE_T)
1460   IF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1461     SET(size_t "uint64_t")
1462   ELSE("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1463     SET(size_t   "uint32_t")
1464   ENDIF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1465 ENDIF(NOT HAVE_SIZE_T)
1466 #
1467 CHECK_TYPE_SIZE(ssize_t     SSIZE_T)
1468 IF(NOT HAVE_SSIZE_T)
1469   IF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1470     SET(ssize_t "int64_t")
1471   ELSE("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1472     SET(ssize_t "long")
1473   ENDIF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1474 ENDIF(NOT HAVE_SSIZE_T)
1475 #
1476 CHECK_TYPE_SIZE(uid_t       UID_T)
1477 IF(NOT HAVE_UID_T)
1478   IF(WIN32)
1479     SET(uid_t "short")
1480   ELSE(WIN32)
1481     SET(uid_t "unsigned int")
1482   ENDIF(WIN32)
1483 ENDIF(NOT HAVE_UID_T)
1484 #
1485 CHECK_TYPE_SIZE(pid_t       PID_T)
1486 IF(NOT HAVE_PID_T)
1487   IF(WIN32)
1488     SET(pid_t "int")
1489   ELSE(WIN32)
1490     MESSAGE(FATAL_ERROR "pid_t doesn't exist on this platform?")
1491   ENDIF(WIN32)
1492 ENDIF(NOT HAVE_PID_T)
1493 #
1494 CHECK_TYPE_SIZE(intptr_t   INTPTR_T)
1495 IF(NOT HAVE_INTPTR_T)
1496   IF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1497     SET(intptr_t "int64_t")
1498   ELSE()
1499     SET(intptr_t "int32_t")
1500   ENDIF()
1501 ENDIF(NOT HAVE_INTPTR_T)
1502 #
1503 CHECK_TYPE_SIZE(uintptr_t   UINTPTR_T)
1504 IF(NOT HAVE_UINTPTR_T)
1505   IF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1506     SET(uintptr_t "uint64_t")
1507   ELSE()
1508     SET(uintptr_t "uint32_t")
1509   ENDIF()
1510 ENDIF(NOT HAVE_UINTPTR_T)
1511 #
1512 CHECK_TYPE_SIZE(wchar_t     SIZEOF_WCHAR_T)
1513 IF(HAVE_SIZEOF_WCHAR_T)
1514   SET(HAVE_WCHAR_T 1)
1515 ENDIF(HAVE_SIZEOF_WCHAR_T)
1516 #
1517 # Check if _FILE_OFFSET_BITS macro needed for large files
1518 #
1519 CHECK_FILE_OFFSET_BITS()
1520
1521 #
1522 # Check for Extended Attribute libraries, headers, and functions
1523 #
1524 IF(ENABLE_XATTR)
1525   LA_CHECK_INCLUDE_FILE(attr/xattr.h     HAVE_ATTR_XATTR_H)
1526   LA_CHECK_INCLUDE_FILE(sys/xattr.h      HAVE_SYS_XATTR_H)
1527   LA_CHECK_INCLUDE_FILE(sys/extattr.h      HAVE_SYS_EXTATTR_H)
1528   CHECK_LIBRARY_EXISTS(attr "setxattr" "" HAVE_LIBATTR)
1529   IF(HAVE_LIBATTR)
1530     SET(CMAKE_REQUIRED_LIBRARIES "attr")
1531   ENDIF(HAVE_LIBATTR)
1532   CHECK_SYMBOL_EXISTS(EXTATTR_NAMESPACE_USER "sys/types.h;sys/extattr.h" HAVE_DECL_EXTATTR_NAMESPACE_USER)
1533   CHECK_FUNCTION_EXISTS_GLIBC(extattr_get_file HAVE_EXTATTR_GET_FILE)
1534   CHECK_FUNCTION_EXISTS_GLIBC(extattr_list_file HAVE_EXTATTR_LIST_FILE)
1535   CHECK_FUNCTION_EXISTS_GLIBC(extattr_set_fd HAVE_EXTATTR_SET_FD)
1536   CHECK_FUNCTION_EXISTS_GLIBC(extattr_set_file HAVE_EXTATTR_SET_FILE)
1537   CHECK_FUNCTION_EXISTS_GLIBC(fgetxattr HAVE_FGETXATTR)
1538   CHECK_FUNCTION_EXISTS_GLIBC(flistxattr HAVE_FLISTXATTR)
1539   CHECK_FUNCTION_EXISTS_GLIBC(fsetxattr HAVE_FSETXATTR)
1540   CHECK_FUNCTION_EXISTS_GLIBC(getxattr HAVE_GETXATTR)
1541   CHECK_FUNCTION_EXISTS_GLIBC(lgetxattr HAVE_LGETXATTR)
1542   CHECK_FUNCTION_EXISTS_GLIBC(listxattr HAVE_LISTXATTR)
1543   CHECK_FUNCTION_EXISTS_GLIBC(llistxattr HAVE_LLISTXATTR)
1544   CHECK_FUNCTION_EXISTS_GLIBC(lsetxattr HAVE_LSETXATTR)
1545   CHECK_FUNCTION_EXISTS_GLIBC(fgetea HAVE_FGETEA)
1546   CHECK_FUNCTION_EXISTS_GLIBC(flistea HAVE_FLISTEA)
1547   CHECK_FUNCTION_EXISTS_GLIBC(fsetea HAVE_FSETEA)
1548   CHECK_FUNCTION_EXISTS_GLIBC(getea HAVE_GETEA)
1549   CHECK_FUNCTION_EXISTS_GLIBC(lgetea HAVE_LGETEA)
1550   CHECK_FUNCTION_EXISTS_GLIBC(listea HAVE_LISTEA)
1551   CHECK_FUNCTION_EXISTS_GLIBC(llistea HAVE_LLISTEA)
1552   CHECK_FUNCTION_EXISTS_GLIBC(lsetea HAVE_LSETEA)
1553 ELSE(ENABLE_XATTR)
1554   SET(HAVE_ATTR_LIB FALSE)
1555   SET(HAVE_ATTR_XATTR_H FALSE)
1556   SET(HAVE_DECL_EXTATTR_NAMESPACE_USER FALSE)
1557   SET(HAVE_EXTATTR_GET_FILE FALSE)
1558   SET(HAVE_EXTATTR_LIST_FILE FALSE)
1559   SET(HAVE_EXTATTR_SET_FD FALSE)
1560   SET(HAVE_EXTATTR_SET_FILE FALSE)
1561   SET(HAVE_FGETEA FALSE)
1562   SET(HAVE_FGETXATTR FALSE)
1563   SET(HAVE_FLISTEA FALSE)
1564   SET(HAVE_FLISTXATTR FALSE)
1565   SET(HAVE_FSETEA FALSE)
1566   SET(HAVE_FSETXATTR FALSE)
1567   SET(HAVE_GETEA FALSE)
1568   SET(HAVE_GETXATTR FALSE)
1569   SET(HAVE_LGETEA FALSE)
1570   SET(HAVE_LGETXATTR FALSE)
1571   SET(HAVE_LISTEA FALSE)
1572   SET(HAVE_LISTXATTR FALSE)
1573   SET(HAVE_LLISTEA FALSE)
1574   SET(HAVE_LLISTXATTR FALSE)
1575   SET(HAVE_LSETEA FALSE)
1576   SET(HAVE_LSETXATTR FALSE)
1577   SET(HAVE_SYS_EXTATTR_H FALSE)
1578   SET(HAVE_SYS_XATTR_H FALSE)
1579 ENDIF(ENABLE_XATTR)
1580
1581 #
1582 # Check for ACL libraries, headers, and functions
1583 #
1584 # The ACL support in libarchive is written against the POSIX1e draft,
1585 # which was never officially approved and varies quite a bit across
1586 # platforms.  Worse, some systems have completely non-POSIX acl functions,
1587 # which makes the following checks rather more complex than I would like.
1588 #
1589 IF(ENABLE_ACL)
1590   CHECK_LIBRARY_EXISTS(acl "acl_get_file" "" HAVE_LIBACL)
1591   IF(HAVE_LIBACL)
1592     SET(CMAKE_REQUIRED_LIBRARIES "acl")
1593     FIND_LIBRARY(ACL_LIBRARY NAMES acl)
1594     LIST(APPEND ADDITIONAL_LIBS ${ACL_LIBRARY})
1595   ENDIF(HAVE_LIBACL)
1596   #
1597   CHECK_FUNCTION_EXISTS_GLIBC(acl_create_entry HAVE_ACL_CREATE_ENTRY)
1598   CHECK_FUNCTION_EXISTS_GLIBC(acl_init HAVE_ACL_INIT)
1599   CHECK_FUNCTION_EXISTS_GLIBC(acl_set_fd HAVE_ACL_SET_FD)
1600   CHECK_FUNCTION_EXISTS_GLIBC(acl_set_fd_np HAVE_ACL_SET_FD_NP)
1601   CHECK_FUNCTION_EXISTS_GLIBC(acl_set_file HAVE_ACL_SET_FILE)
1602   CHECK_TYPE_EXISTS(acl_permset_t "${INCLUDES}"    HAVE_ACL_PERMSET_T)
1603
1604   # The "acl_get_perm()" function was omitted from the POSIX draft.
1605   # (It's a pretty obvious oversight; otherwise, there's no way to
1606   # test for specific permissions in a permset.)  Linux uses the obvious
1607   # name, FreeBSD adds _np to mark it as "non-Posix extension."
1608   # Test for both as a double-check that we really have POSIX-style ACL support.
1609   CHECK_FUNCTION_EXISTS(acl_get_fd_np HAVE_ACL_GET_FD_NP)
1610   CHECK_FUNCTION_EXISTS(acl_get_perm HAVE_ACL_GET_PERM)
1611   CHECK_FUNCTION_EXISTS(acl_get_perm_np HAVE_ACL_GET_PERM_NP)
1612   CHECK_FUNCTION_EXISTS(acl_get_link HAVE_ACL_GET_LINK)
1613   CHECK_FUNCTION_EXISTS(acl_get_link_np HAVE_ACL_GET_LINK_NP)
1614   CHECK_FUNCTION_EXISTS(acl_is_trivial_np HAVE_ACL_IS_TRIVIAL_NP)
1615   CHECK_FUNCTION_EXISTS(acl_set_link_np HAVE_ACL_SET_LINK_NP)
1616   CHECK_SYMBOL_EXISTS(ACL_TYPE_NFS4 "${INCLUDES}" HAVE_ACL_TYPE_NFS4)
1617
1618   # MacOS has an acl.h that isn't POSIX.  It can be detected by
1619   # checking for ACL_USER
1620   CHECK_SYMBOL_EXISTS(ACL_USER "${INCLUDES}" HAVE_ACL_USER)
1621   CHECK_C_SOURCE_COMPILES("#include <sys/types.h>
1622 #include <sys/acl.h>
1623 int main(void) { return ACL_TYPE_EXTENDED; }" HAVE_ACL_TYPE_EXTENDED)
1624
1625   # Solaris and derivates ACLs
1626   CHECK_LIBRARY_EXISTS(sec "acl_get" "" HAVE_LIBSEC)
1627   IF(HAVE_LIBSEC)
1628     SET(CMAKE_REQUIRED_LIBRARIES "sec")
1629     FIND_LIBRARY(SEC_LIBRARY NAMES sec)
1630     LIST(APPEND ADDITIONAL_LIBS ${SEC_LIBRARY})
1631   ENDIF(HAVE_LIBSEC)
1632   #
1633   CHECK_TYPE_EXISTS(aclent_t "${INCLUDES}" HAVE_ACLENT_T)
1634   CHECK_TYPE_EXISTS(ace_t "${INCLUDES}" HAVE_ACE_T)
1635   CHECK_FUNCTION_EXISTS(acl_get HAVE_FACL_GET)
1636   CHECK_FUNCTION_EXISTS(facl_get HAVE_FACL_GET)
1637   CHECK_FUNCTION_EXISTS(acl_set HAVE_FACL_SET)
1638   CHECK_FUNCTION_EXISTS(facl_set HAVE_FACL_SET)
1639 ELSE(ENABLE_ACL)
1640   # If someone runs cmake, then disables ACL support, we need
1641   # to forcibly override the cached values for these.
1642   SET(HAVE_ACL_CREATE_ENTRY FALSE)
1643   SET(HAVE_ACL_GET_LINK FALSE)
1644   SET(HAVE_ACL_GET_LINK_NP FALSE)
1645   SET(HAVE_ACL_GET_PERM FALSE)
1646   SET(HAVE_ACL_GET_PERM_NP FALSE)
1647   SET(HAVE_ACL_INIT FALSE)
1648   SET(HAVE_ACL_LIB FALSE)
1649   SET(HAVE_ACL_PERMSET_T FALSE)
1650   SET(HAVE_ACL_SET_FD FALSE)
1651   SET(HAVE_ACL_SET_FD_NP FALSE)
1652   SET(HAVE_ACL_SET_FILE FALSE)
1653   SET(HAVE_ACL_TYPE_NFS4 FALSE)
1654   SET(HAVE_ACL_USER FALSE)
1655   SET(HAVE_ACL_TYPE_EXTENDED FALSE)
1656   SET(HAVE_ACL_GET FALSE)
1657   SET(HAVE_ACLENT_T FALSE)
1658   SET(HAVE_ACE_T FALSE)
1659   SET(HAVE_FACL_GET FALSE)
1660   SET(HAVE_ACL_SET FALSE)
1661   SET(HAVE_FACL_SET FALSE)
1662 ENDIF(ENABLE_ACL)
1663
1664 #
1665 # Check MD5/RMD160/SHA support
1666 # NOTE: Crypto checks must be run last before generating config.h
1667 #
1668 CHECK_CRYPTO("MD5;RMD160;SHA1;SHA256;SHA384;SHA512" LIBC)
1669 CHECK_CRYPTO("SHA256;SHA384;SHA512" LIBC2)
1670 CHECK_CRYPTO("SHA256;SHA384;SHA512" LIBC3)
1671 CHECK_CRYPTO("MD5;SHA1;SHA256;SHA384;SHA512" LIBSYSTEM)
1672 CHECK_CRYPTO("MD5;RMD160;SHA1;SHA256;SHA384;SHA512" NETTLE)
1673 CHECK_CRYPTO("MD5;RMD160;SHA1;SHA256;SHA384;SHA512" OPENSSL)
1674
1675 # Libmd has to be probed after OpenSSL.
1676 CHECK_CRYPTO("MD5;RMD160;SHA1;SHA256;SHA512" LIBMD)
1677
1678 CHECK_CRYPTO_WIN("MD5;SHA1;SHA256;SHA384;SHA512")
1679
1680 # Generate "config.h" from "build/cmake/config.h.in"
1681 CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/build/cmake/config.h.in
1682         ${CMAKE_CURRENT_BINARY_DIR}/config.h)
1683 INCLUDE_DIRECTORIES(BEFORE ${CMAKE_CURRENT_BINARY_DIR})
1684 ADD_DEFINITIONS(-DHAVE_CONFIG_H)
1685
1686 # Handle generation of the libarchive.pc file for pkg-config
1687 INCLUDE(CreatePkgConfigFile)
1688
1689 #
1690 # Register installation of PDF documents.
1691 #
1692 IF(WIN32 AND NOT CYGWIN)
1693   #
1694   # On Windows platform, It's better that we install PDF documents
1695   # on one's computer.
1696   # These PDF documents are available in the release package.
1697   #
1698   IF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/doc/pdf)
1699     INSTALL(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/doc/pdf
1700             DESTINATION share/man
1701             FILES_MATCHING PATTERN "*.pdf"
1702     )
1703   ENDIF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/doc/pdf)
1704 ENDIF(WIN32 AND NOT CYGWIN)
1705 #
1706 #
1707 #
1708 INCLUDE_DIRECTORIES(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/libarchive)
1709 #
1710 IF(MSVC)
1711   ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE)
1712 ENDIF(MSVC)
1713
1714 IF(ENABLE_TEST)
1715   ADD_CUSTOM_TARGET(run_all_tests)
1716 ENDIF(ENABLE_TEST)
1717
1718 add_subdirectory(libarchive)
1719 add_subdirectory(cat)
1720 add_subdirectory(tar)
1721 add_subdirectory(cpio)