configure.ac

   1 #                                               -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3
   4 AC_PREREQ(2.59)
   5 AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org])
   6
   7 AC_CONFIG_SRCDIR([git.c])
   8
   9 config_file=config.mak.autogen
  10 config_append=config.mak.append
  11 config_in=config.mak.in
  12
  13 echo "# ${config_append}.  Generated by configure." > "${config_append}"
  14
  15
  16 ## Definitions of macros
  17 # GIT_CONF_APPEND_LINE(LINE)
  18 # --------------------------
  19 # Append LINE to file ${config_append}
  20 AC_DEFUN([GIT_CONF_APPEND_LINE],
  21 [echo "$1" >> "${config_append}"])# GIT_CONF_APPEND_LINE
  22 #
  23 # GIT_ARG_SET_PATH(PROGRAM)
  24 # -------------------------
  25 # Provide --with-PROGRAM=PATH option to set PATH to PROGRAM
  26 AC_DEFUN([GIT_ARG_SET_PATH],
  27 [AC_ARG_WITH([$1],
  28  [AS_HELP_STRING([--with-$1=PATH],
  29                  [provide PATH to $1])],
  30  [GIT_CONF_APPEND_PATH($1)],[])
  31 ])# GIT_ARG_SET_PATH
  32 #
  33 # GIT_CONF_APPEND_PATH(PROGRAM)
  34 # ------------------------------
  35 # Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH
  36 # Used by GIT_ARG_SET_PATH(PROGRAM)
  37 AC_DEFUN([GIT_CONF_APPEND_PATH],
  38 [PROGRAM=m4_toupper($1); \
  39 if test "$withval" = "no"; then \
  40         AC_MSG_ERROR([You cannot use git without $1]); \
  41 else \
  42         if test "$withval" = "yes"; then \
  43                 AC_MSG_WARN([You should provide path for --with-$1=PATH]); \
  44         else \
  45                 GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \
  46         fi; \
  47 fi; \
  48 ]) # GIT_CONF_APPEND_PATH
  49 #
  50 # GIT_PARSE_WITH(PACKAGE)
  51 # -----------------------
  52 # For use in AC_ARG_WITH action-if-found, for packages default ON.
  53 # * Set NO_PACKAGE=YesPlease for --without-PACKAGE
  54 # * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH
  55 # * Unset NO_PACKAGE for --with-PACKAGE without ARG
  56 AC_DEFUN([GIT_PARSE_WITH],
  57 [PACKAGE=m4_toupper($1); \
  58 if test "$withval" = "no"; then \
  59         m4_toupper(NO_$1)=YesPlease; \
  60 elif test "$withval" = "yes"; then \
  61         m4_toupper(NO_$1)=; \
  62 else \
  63         m4_toupper(NO_$1)=; \
  64         GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \
  65 fi \
  66 ])# GIT_PARSE_WITH
  67
  68 dnl
  69 dnl GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE)
  70 dnl -----------------------------------------
  71 dnl Similar to AC_CHECK_FUNC, but on systems that do not generate
  72 dnl warnings for missing prototypes (e.g. FreeBSD when compiling without
  73 dnl -Wall), it does not work.  By looking for function definition in
  74 dnl libraries, this problem can be worked around.
  75 AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[
  76   AC_SEARCH_LIBS([$1],,
  77   [$2],[$3])
  78 ],[$3])])
  79 ## Site configuration related to programs (before tests)
  80 ## --with-PACKAGE[=ARG] and --without-PACKAGE
  81 #
  82 # Set lib to alternative name of lib directory (e.g. lib64)
  83 AC_ARG_WITH([lib],
  84  [AS_HELP_STRING([--with-lib=ARG],
  85                  [ARG specifies alternative name for lib directory])],
  86  [if test "$withval" = "no" || test "$withval" = "yes"; then \
  87         AC_MSG_WARN([You should provide name for --with-lib=ARG]); \
  88 else \
  89         GIT_CONF_APPEND_LINE(lib=$withval); \
  90 fi; \
  91 ],[])
  92 #
  93 # Define SHELL_PATH to provide path to shell.
  94 GIT_ARG_SET_PATH(shell)
  95 #
  96 # Define PERL_PATH to provide path to Perl.
  97 GIT_ARG_SET_PATH(perl)
  98 #
  99 # Define ZLIB_PATH to provide path to zlib.
 100 GIT_ARG_SET_PATH(zlib)
 101 #
 102 # Declare the with-tcltk/without-tcltk options.
 103 AC_ARG_WITH(tcltk,
 104 AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)])
 105 AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.])
 106 AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if])
 107 AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),\
 108 GIT_PARSE_WITH(tcltk))
 109 #
 110
 111
 112 ## Checks for programs.
 113 AC_MSG_NOTICE([CHECKS for programs])
 114 #
 115 AC_PROG_CC([cc gcc])
 116 # which switch to pass runtime path to dynamic libraries to the linker
 117 AC_CACHE_CHECK([if linker supports -R], ld_dashr, [
 118    SAVE_LDFLAGS="${LDFLAGS}"
 119    LDFLAGS="${SAVE_LDFLAGS} -R /"
 120    AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [ld_dashr=yes], [ld_dashr=no])
 121    LDFLAGS="${SAVE_LDFLAGS}"
 122 ])
 123 if test "$ld_dashr" = "yes"; then
 124    AC_SUBST(CC_LD_DYNPATH, [-R])
 125 else
 126    AC_CACHE_CHECK([if linker supports -Wl,-rpath,], ld_wl_rpath, [
 127       SAVE_LDFLAGS="${LDFLAGS}"
 128       LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/"
 129       AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [ld_wl_rpath=yes], [ld_wl_rpath=no])
 130       LDFLAGS="${SAVE_LD_FLAGS}"
 131    ])
 132    if test "$ld_wl_rpath" = "yes"; then
 133       AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,])
 134    else
 135       AC_CACHE_CHECK([if linker supports -rpath], ld_rpath, [
 136          SAVE_LDFLAGS="${LDFLAGS}"
 137          LDFLAGS="${SAVE_LDFLAGS} -rpath /"
 138          AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [ld_rpath=yes], [ld_rpath=no])
 139          LDFLAGS="${SAVE_LD_FLAGS}"
 140       ])
 141       if test "$ld_rpath" = "yes"; then
 142          AC_SUBST(CC_LD_DYNPATH, [-rpath])
 143       else
 144          AC_MSG_WARN([linker does not support runtime path to dynamic libraries])
 145       fi
 146    fi
 147 fi
 148 #AC_PROG_INSTALL                # needs install-sh or install.sh in sources
 149 AC_CHECK_TOOLS(AR, [gar ar], :)
 150 AC_CHECK_PROGS(TAR, [gtar tar])
 151 # TCLTK_PATH will be set to some value if we want Tcl/Tk
 152 # or will be empty otherwise.
 153 if test -z "$NO_TCLTK"; then
 154   if test "$with_tcltk" = ""; then
 155   # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'.
 156     TCLTK_PATH=wish
 157     AC_SUBST(TCLTK_PATH)
 158   elif test "$with_tcltk" = "yes"; then
 159   # Tcl/Tk check requested.
 160     AC_CHECK_PROGS(TCLTK_PATH, [wish], )
 161   else
 162     AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk])
 163     TCLTK_PATH="$with_tcltk"
 164     AC_SUBST(TCLTK_PATH)
 165   fi
 166 fi
 167 AC_CHECK_PROGS(ASCIIDOC, [asciidoc])
 168 if test -n "$ASCIIDOC"; then
 169         AC_MSG_CHECKING([for asciidoc version])
 170         asciidoc_version=`$ASCIIDOC --version 2>&1`
 171         case "${asciidoc_version}" in
 172         asciidoc' '8*)
 173                 ASCIIDOC8=YesPlease
 174                 AC_MSG_RESULT([${asciidoc_version} > 7])
 175                 ;;
 176         asciidoc' '7*)
 177                 ASCIIDOC8=
 178                 AC_MSG_RESULT([${asciidoc_version}])
 179                 ;;
 180         *)
 181                 ASCIIDOC8=
 182                 AC_MSG_RESULT([${asciidoc_version} (unknown)])
 183                 ;;
 184         esac
 185 fi
 186 AC_SUBST(ASCIIDOC8)
 187
 188
 189 ## Checks for libraries.
 190 AC_MSG_NOTICE([CHECKS for libraries])
 191 #
 192 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
 193 # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
 194 AC_CHECK_LIB([crypto], [SHA1_Init],
 195 [NEEDS_SSL_WITH_CRYPTO=],
 196 [AC_CHECK_LIB([ssl], [SHA1_Init],
 197  [NEEDS_SSL_WITH_CRYPTO=YesPlease
 198   NEEDS_SSL_WITH_CRYPTO=],
 199  [NO_OPENSSL=YesPlease])])
 200 AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
 201 AC_SUBST(NO_OPENSSL)
 202 #
 203 # Define NO_CURL if you do not have libcurl installed.  git-http-pull and
 204 # git-http-push are not built, and you cannot use http:// and https://
 205 # transports.
 206 AC_CHECK_LIB([curl], [curl_global_init],
 207 [NO_CURL=],
 208 [NO_CURL=YesPlease])
 209 AC_SUBST(NO_CURL)
 210 #
 211 # Define NO_EXPAT if you do not have expat installed.  git-http-push is
 212 # not built, and you cannot push using http:// and https:// transports.
 213 AC_CHECK_LIB([expat], [XML_ParserCreate],
 214 [NO_EXPAT=],
 215 [NO_EXPAT=YesPlease])
 216 AC_SUBST(NO_EXPAT)
 217 #
 218 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and
 219 # some Solaris installations).
 220 # Define NO_ICONV if neither libc nor libiconv support iconv.
 221 AC_DEFUN([ICONVTEST_SRC], [
 222 #include <iconv.h>
 223
 224 int main(void)
 225 {
 226         iconv_open("", "");
 227         return 0;
 228 }
 229 ])
 230 AC_MSG_CHECKING([for iconv in -lc])
 231 AC_LINK_IFELSE(ICONVTEST_SRC,
 232         [AC_MSG_RESULT([yes])
 233         NEEDS_LIBICONV=],
 234         [AC_MSG_RESULT([no])
 235         old_LIBS="$LIBS"
 236         LIBS="$LIBS -liconv"
 237         AC_MSG_CHECKING([for iconv in -liconv])
 238         AC_LINK_IFELSE(ICONVTEST_SRC,
 239                 [AC_MSG_RESULT([yes])
 240                 NEEDS_LIBICONV=YesPlease],
 241                 [AC_MSG_RESULT([no])
 242                 NO_ICONV=YesPlease])
 243         LIBS="$old_LIBS"])
 244 AC_SUBST(NEEDS_LIBICONV)
 245 AC_SUBST(NO_ICONV)
 246 test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv"
 247 #
 248 # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib.
 249 AC_DEFUN([ZLIBTEST_SRC], [
 250 #include <zlib.h>
 251
 252 int main(void)
 253 {
 254         deflateBound(0, 0);
 255         return 0;
 256 }
 257 ])
 258 AC_MSG_CHECKING([for deflateBound in -lz])
 259 old_LIBS="$LIBS"
 260 LIBS="$LIBS -lz"
 261 AC_LINK_IFELSE(ZLIBTEST_SRC,
 262         [AC_MSG_RESULT([yes])],
 263         [AC_MSG_RESULT([no])
 264         NO_DEFLATE_BOUND=yes])
 265 LIBS="$old_LIBS"
 266 AC_SUBST(NO_DEFLATE_BOUND)
 267 #
 268 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
 269 # Patrick Mauritz).
 270 AC_CHECK_LIB([c], [socket],
 271 [NEEDS_SOCKET=],
 272 [NEEDS_SOCKET=YesPlease])
 273 AC_SUBST(NEEDS_SOCKET)
 274 test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
 275
 276
 277 ## Checks for header files.
 278 AC_MSG_NOTICE([CHECKS for header files])
 279 #
 280 # Define NO_SYS_SELECT_H if you don't have sys/select.h.
 281 AC_CHECK_HEADER([sys/select.h],
 282 [NO_SYS_SELECT_H=],
 283 [NO_SYS_SELECT_H=UnfortunatelyYes])
 284 AC_SUBST(NO_SYS_SELECT_H)
 285 #
 286 # Define OLD_ICONV if your library has an old iconv(), where the second
 287 # (input buffer pointer) parameter is declared with type (const char **).
 288 AC_DEFUN([OLDICONVTEST_SRC], [[
 289 #include <iconv.h>
 290
 291 extern size_t iconv(iconv_t cd,
 292                     char **inbuf, size_t *inbytesleft,
 293                     char **outbuf, size_t *outbytesleft);
 294
 295 int main(void)
 296 {
 297         return 0;
 298 }
 299 ]])
 300 AC_MSG_CHECKING([for old iconv()])
 301 AC_COMPILE_IFELSE(OLDICONVTEST_SRC,
 302         [AC_MSG_RESULT([no])],
 303         [AC_MSG_RESULT([yes])
 304         OLD_ICONV=UnfortunatelyYes])
 305 AC_SUBST(OLD_ICONV)
 306
 307
 308 ## Checks for typedefs, structures, and compiler characteristics.
 309 AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
 310 #
 311 # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
 312 AC_CHECK_MEMBER(struct dirent.d_ino,
 313 [NO_D_INO_IN_DIRENT=],
 314 [NO_D_INO_IN_DIRENT=YesPlease],
 315 [#include <dirent.h>])
 316 AC_SUBST(NO_D_INO_IN_DIRENT)
 317 #
 318 # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
 319 # d_type in struct dirent (latest Cygwin -- will be fixed soonish).
 320 AC_CHECK_MEMBER(struct dirent.d_type,
 321 [NO_D_TYPE_IN_DIRENT=],
 322 [NO_D_TYPE_IN_DIRENT=YesPlease],
 323 [#include <dirent.h>])
 324 AC_SUBST(NO_D_TYPE_IN_DIRENT)
 325 #
 326 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
 327 # sockaddr_storage.
 328 AC_CHECK_TYPE(struct sockaddr_storage,
 329 [NO_SOCKADDR_STORAGE=],
 330 [NO_SOCKADDR_STORAGE=YesPlease],[
 331 #include <sys/types.h>
 332 #include <sys/socket.h>
 333 ])
 334 AC_SUBST(NO_SOCKADDR_STORAGE)
 335 #
 336 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
 337 AC_CHECK_TYPE([struct addrinfo],[
 338  GIT_CHECK_FUNC([getaddrinfo],
 339   [NO_IPV6=],
 340   [NO_IPV6=YesPlease])
 341 ],[NO_IPV6=YesPlease],[
 342 #include <sys/types.h>
 343 #include <sys/socket.h>
 344 #include <netdb.h>
 345 ])
 346 AC_SUBST(NO_IPV6)
 347 #
 348 # Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
 349 # do not support the 'size specifiers' introduced by C99, namely ll, hh,
 350 # j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
 351 # some C compilers supported these specifiers prior to C99 as an extension.
 352 AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers],
 353  [ac_cv_c_c99_format],
 354 [# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
 355 AC_RUN_IFELSE(
 356         [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
 357                 [[char buf[64];
 358                 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
 359                   return 1;
 360                 else if (strcmp(buf, "12345"))
 361                   return 2;]])],
 362         [ac_cv_c_c99_format=yes],
 363         [ac_cv_c_c99_format=no])
 364 ])
 365 if test $ac_cv_c_c99_format = no; then
 366         NO_C99_FORMAT=YesPlease
 367 else
 368         NO_C99_FORMAT=
 369 fi
 370 AC_SUBST(NO_C99_FORMAT)
 371 #
 372 # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds
 373 # when attempting to read from an fopen'ed directory.
 374 AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory],
 375  [ac_cv_fread_reads_directories],
 376 [
 377 AC_RUN_IFELSE(
 378         [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
 379                 [[char c;
 380                 FILE *f = fopen(".", "r");
 381                 return f && fread(&c, 1, 1, f)]])],
 382         [ac_cv_fread_reads_directories=no],
 383         [ac_cv_fread_reads_directories=yes])
 384 ])
 385 if test $ac_cv_fread_reads_directories = yes; then
 386         FREAD_READS_DIRECTORIES=UnfortunatelyYes
 387 else
 388         FREAD_READS_DIRECTORIES=
 389 fi
 390 AC_SUBST(FREAD_READS_DIRECTORIES)
 391 #
 392 # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf()
 393 # or vsnprintf() return -1 instead of number of characters which would
 394 # have been written to the final string if enough space had been available.
 395 AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value],
 396  [ac_cv_snprintf_returns_bogus],
 397 [
 398 AC_RUN_IFELSE(
 399         [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 400                 #include "stdarg.h"
 401
 402                 int test_vsnprintf(char *str, size_t maxsize, const char *format, ...)
 403                 {
 404                   int ret;
 405                   va_list ap;
 406                   va_start(ap, format);
 407                   ret = vsnprintf(str, maxsize, format, ap);
 408                   va_end(ap);
 409                   return ret;
 410                 }],
 411                 [[char buf[6];
 412                   if (test_vsnprintf(buf, 3, "%s", "12345") != 5
 413                       || strcmp(buf, "12")) return 1;
 414                   if (snprintf(buf, 3, "%s", "12345") != 5
 415                       || strcmp(buf, "12")) return 1]])],
 416         [ac_cv_snprintf_returns_bogus=no],
 417         [ac_cv_snprintf_returns_bogus=yes])
 418 ])
 419 if test $ac_cv_snprintf_returns_bogus = yes; then
 420         SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes
 421 else
 422         SNPRINTF_RETURNS_BOGUS=
 423 fi
 424 AC_SUBST(SNPRINTF_RETURNS_BOGUS)
 425
 426
 427 ## Checks for library functions.
 428 ## (in default C library and libraries checked by AC_CHECK_LIB)
 429 AC_MSG_NOTICE([CHECKS for library functions])
 430 #
 431 # Define NO_STRCASESTR if you don't have strcasestr.
 432 GIT_CHECK_FUNC(strcasestr,
 433 [NO_STRCASESTR=],
 434 [NO_STRCASESTR=YesPlease])
 435 AC_SUBST(NO_STRCASESTR)
 436 #
 437 # Define NO_MEMMEM if you don't have memmem.
 438 GIT_CHECK_FUNC(memmem,
 439 [NO_MEMMEM=],
 440 [NO_MEMMEM=YesPlease])
 441 AC_SUBST(NO_MEMMEM)
 442 #
 443 # Define NO_STRLCPY if you don't have strlcpy.
 444 GIT_CHECK_FUNC(strlcpy,
 445 [NO_STRLCPY=],
 446 [NO_STRLCPY=YesPlease])
 447 AC_SUBST(NO_STRLCPY)
 448 #
 449 # Define NO_STRTOUMAX if you don't have strtoumax in the C library.
 450 GIT_CHECK_FUNC(strtoumax,
 451 [NO_STRTOUMAX=],
 452 [NO_STRTOUMAX=YesPlease])
 453 AC_SUBST(NO_STRTOUMAX)
 454 #
 455 # Define NO_SETENV if you don't have setenv in the C library.
 456 GIT_CHECK_FUNC(setenv,
 457 [NO_SETENV=],
 458 [NO_SETENV=YesPlease])
 459 AC_SUBST(NO_SETENV)
 460 #
 461 # Define NO_UNSETENV if you don't have unsetenv in the C library.
 462 GIT_CHECK_FUNC(unsetenv,
 463 [NO_UNSETENV=],
 464 [NO_UNSETENV=YesPlease])
 465 AC_SUBST(NO_UNSETENV)
 466 #
 467 # Define NO_MKDTEMP if you don't have mkdtemp in the C library.
 468 GIT_CHECK_FUNC(mkdtemp,
 469 [NO_MKDTEMP=],
 470 [NO_MKDTEMP=YesPlease])
 471 AC_SUBST(NO_MKDTEMP)
 472 #
 473 # Define NO_MMAP if you want to avoid mmap.
 474 #
 475 # Define NO_ICONV if your libc does not properly support iconv.
 476
 477
 478 ## Other checks.
 479 # Define USE_PIC if you need the main git objects to be built with -fPIC
 480 # in order to build and link perl/Git.so.  x86-64 seems to need this.
 481 #
 482 # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
 483 # Enable it on Windows.  By default, symrefs are still used.
 484
 485 ## Site configuration (override autodetection)
 486 ## --with-PACKAGE[=ARG] and --without-PACKAGE
 487 AC_MSG_NOTICE([CHECKS for site configuration])
 488 #
 489 # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
 490 # tests.  These tests take up a significant amount of the total test time
 491 # but are not needed unless you plan to talk to SVN repos.
 492 #
 493 # Define MOZILLA_SHA1 environment variable when running make to make use of
 494 # a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
 495 # on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
 496 # choice) has very fast version optimized for i586.
 497 #
 498 # Define PPC_SHA1 environment variable when running make to make use of
 499 # a bundled SHA1 routine optimized for PowerPC.
 500 #
 501 # Define ARM_SHA1 environment variable when running make to make use of
 502 # a bundled SHA1 routine optimized for ARM.
 503 #
 504 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
 505 # This also implies MOZILLA_SHA1.
 506 #
 507 # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
 508 # /foo/bar/include and /foo/bar/lib directories.
 509 AC_ARG_WITH(openssl,
 510 AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
 511 AS_HELP_STRING([],              [ARG can be prefix for openssl library and headers]),\
 512 GIT_PARSE_WITH(openssl))
 513 #
 514 # Define NO_CURL if you do not have curl installed.  git-http-pull and
 515 # git-http-push are not built, and you cannot use http:// and https://
 516 # transports.
 517 #
 518 # Define CURLDIR=/foo/bar if your curl header and library files are in
 519 # /foo/bar/include and /foo/bar/lib directories.
 520 AC_ARG_WITH(curl,
 521 AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
 522 AS_HELP_STRING([],           [ARG can be also prefix for curl library and headers]),
 523 GIT_PARSE_WITH(curl))
 524 #
 525 # Define NO_EXPAT if you do not have expat installed.  git-http-push is
 526 # not built, and you cannot push using http:// and https:// transports.
 527 #
 528 # Define EXPATDIR=/foo/bar if your expat header and library files are in
 529 # /foo/bar/include and /foo/bar/lib directories.
 530 AC_ARG_WITH(expat,
 531 AS_HELP_STRING([--with-expat],
 532 [support git-push using http:// and https:// transports via WebDAV (default is YES)])
 533 AS_HELP_STRING([],            [ARG can be also prefix for expat library and headers]),
 534 GIT_PARSE_WITH(expat))
 535 #
 536 # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
 537 # installed in /sw, but don't want GIT to link against any libraries
 538 # installed there.  If defined you may specify your own (or Fink's)
 539 # include directories and library directories by defining CFLAGS
 540 # and LDFLAGS appropriately.
 541 #
 542 # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
 543 # have DarwinPorts installed in /opt/local, but don't want GIT to
 544 # link against any libraries installed there.  If defined you may
 545 # specify your own (or DarwinPort's) include directories and
 546 # library directories by defining CFLAGS and LDFLAGS appropriately.
 547 #
 548 # Define NO_MMAP if you want to avoid mmap.
 549 #
 550 # Define NO_ICONV if your libc does not properly support iconv.
 551 AC_ARG_WITH(iconv,
 552 AS_HELP_STRING([--without-iconv],
 553 [if your architecture doesn't properly support iconv])
 554 AS_HELP_STRING([--with-iconv=PATH],
 555 [PATH is prefix for libiconv library and headers])
 556 AS_HELP_STRING([],
 557 [used only if you need linking with libiconv]),
 558 GIT_PARSE_WITH(iconv))
 559
 560 ## --enable-FEATURE[=ARG] and --disable-FEATURE
 561 #
 562 # Define USE_NSEC below if you want git to care about sub-second file mtimes
 563 # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
 564 # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
 565 # randomly break unless your underlying filesystem supports those sub-second
 566 # times (my ext3 doesn't).
 567 #
 568 # Define USE_STDEV below if you want git to care about the underlying device
 569 # change being considered an inode change from the update-index perspective.
 570
 571
 572 ## Output files
 573 AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
 574 AC_OUTPUT
 575
 576
 577 ## Cleanup
 578 rm -f "${config_append}"