Andrew's git / gitweb.git / configure.ac
?
configure.acon commit configure: ensure settings from user are also usable in the script (e068f4f)
   1#                                               -*- Autoconf -*-
   2# Process this file with autoconf to produce a configure script.
   3
   4AC_PREREQ(2.59)
   5AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org])
   6
   7AC_CONFIG_SRCDIR([git.c])
   8
   9config_file=config.mak.autogen
  10config_append=config.mak.append
  11config_in=config.mak.in
  12
  13echo "# ${config_append}.  Generated by configure." > "${config_append}"
  14
  15
  16## Definitions of macros
  17# GIT_CONF_APPEND_LINE(LINE)
  18# --------------------------
  19# Append LINE to file ${config_append}
  20AC_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
  26AC_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)
  37AC_DEFUN([GIT_CONF_APPEND_PATH],
  38[PROGRAM=m4_toupper($1); \
  39if test "$withval" = "no"; then \
  40        AC_MSG_ERROR([You cannot use git without $1]); \
  41else \
  42        if test "$withval" = "yes"; then \
  43                AC_MSG_WARN([You should provide path for --with-$1=PATH]); \
  44        else \
  45                m4_toupper($1)_PATH=$withval; \
  46                AC_MSG_NOTICE([Setting m4_toupper($1)_PATH to $withval]); \
  47                GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \
  48        fi; \
  49fi; \
  50]) # GIT_CONF_APPEND_PATH
  51#
  52# GIT_PARSE_WITH(PACKAGE)
  53# -----------------------
  54# For use in AC_ARG_WITH action-if-found, for packages default ON.
  55# * Set NO_PACKAGE=YesPlease for --without-PACKAGE
  56# * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH
  57# * Unset NO_PACKAGE for --with-PACKAGE without ARG
  58AC_DEFUN([GIT_PARSE_WITH],
  59[PACKAGE=m4_toupper($1); \
  60if test "$withval" = "no"; then \
  61        m4_toupper(NO_$1)=YesPlease; \
  62elif test "$withval" = "yes"; then \
  63        m4_toupper(NO_$1)=; \
  64else \
  65        m4_toupper(NO_$1)=; \
  66        m4_toupper($1)DIR=$withval; \
  67        AC_MSG_NOTICE([Setting m4_toupper($1)DIR to $withval]); \
  68        GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \
  69fi \
  70])# GIT_PARSE_WITH
  71
  72dnl
  73dnl GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE)
  74dnl -----------------------------------------
  75dnl Similar to AC_CHECK_FUNC, but on systems that do not generate
  76dnl warnings for missing prototypes (e.g. FreeBSD when compiling without
  77dnl -Wall), it does not work.  By looking for function definition in
  78dnl libraries, this problem can be worked around.
  79AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[
  80  AC_SEARCH_LIBS([$1],,
  81  [$2],[$3])
  82],[$3])])
  83## Site configuration related to programs (before tests)
  84## --with-PACKAGE[=ARG] and --without-PACKAGE
  85#
  86# Set lib to alternative name of lib directory (e.g. lib64)
  87AC_ARG_WITH([lib],
  88 [AS_HELP_STRING([--with-lib=ARG],
  89                 [ARG specifies alternative name for lib directory])],
  90 [if test "$withval" = "no" || test "$withval" = "yes"; then \
  91        AC_MSG_WARN([You should provide name for --with-lib=ARG]); \
  92else \
  93        lib=$withval; \
  94        AC_MSG_NOTICE([Setting lib to '$lib']); \
  95        GIT_CONF_APPEND_LINE(lib=$withval); \
  96fi; \
  97],[])
  98
  99if test -z "$lib"; then
 100   AC_MSG_NOTICE([Setting lib to 'lib' (the default)])
 101   lib=lib
 102fi
 103#
 104# Define SHELL_PATH to provide path to shell.
 105GIT_ARG_SET_PATH(shell)
 106#
 107# Define PERL_PATH to provide path to Perl.
 108GIT_ARG_SET_PATH(perl)
 109#
 110# Define ZLIB_PATH to provide path to zlib.
 111GIT_ARG_SET_PATH(zlib)
 112#
 113# Declare the with-tcltk/without-tcltk options.
 114AC_ARG_WITH(tcltk,
 115AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)])
 116AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.])
 117AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if])
 118AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),\
 119GIT_PARSE_WITH(tcltk))
 120#
 121
 122
 123## Checks for programs.
 124AC_MSG_NOTICE([CHECKS for programs])
 125#
 126AC_PROG_CC([cc gcc])
 127# which switch to pass runtime path to dynamic libraries to the linker
 128AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [
 129   SAVE_LDFLAGS="${LDFLAGS}"
 130   LDFLAGS="${SAVE_LDFLAGS} -R /"
 131   AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no])
 132   LDFLAGS="${SAVE_LDFLAGS}"
 133])
 134if test "$git_cv_ld_dashr" = "yes"; then
 135   AC_SUBST(CC_LD_DYNPATH, [-R])
 136else
 137   AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [
 138      SAVE_LDFLAGS="${LDFLAGS}"
 139      LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/"
 140      AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no])
 141      LDFLAGS="${SAVE_LDFLAGS}"
 142   ])
 143   if test "$git_cv_ld_wl_rpath" = "yes"; then
 144      AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,])
 145   else
 146      AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [
 147         SAVE_LDFLAGS="${LDFLAGS}"
 148         LDFLAGS="${SAVE_LDFLAGS} -rpath /"
 149         AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no])
 150         LDFLAGS="${SAVE_LDFLAGS}"
 151      ])
 152      if test "$git_cv_ld_rpath" = "yes"; then
 153         AC_SUBST(CC_LD_DYNPATH, [-rpath])
 154      else
 155         AC_MSG_WARN([linker does not support runtime path to dynamic libraries])
 156      fi
 157   fi
 158fi
 159#AC_PROG_INSTALL                # needs install-sh or install.sh in sources
 160AC_CHECK_TOOLS(AR, [gar ar], :)
 161AC_CHECK_PROGS(TAR, [gtar tar])
 162# TCLTK_PATH will be set to some value if we want Tcl/Tk
 163# or will be empty otherwise.
 164if test -z "$NO_TCLTK"; then
 165  if test "$with_tcltk" = ""; then
 166  # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'.
 167    TCLTK_PATH=wish
 168    AC_SUBST(TCLTK_PATH)
 169  elif test "$with_tcltk" = "yes"; then
 170  # Tcl/Tk check requested.
 171    AC_CHECK_PROGS(TCLTK_PATH, [wish], )
 172  else
 173    AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk])
 174    TCLTK_PATH="$with_tcltk"
 175    AC_SUBST(TCLTK_PATH)
 176  fi
 177fi
 178AC_CHECK_PROGS(ASCIIDOC, [asciidoc])
 179if test -n "$ASCIIDOC"; then
 180        AC_MSG_CHECKING([for asciidoc version])
 181        asciidoc_version=`$ASCIIDOC --version 2>&1`
 182        case "${asciidoc_version}" in
 183        asciidoc' '8*)
 184                ASCIIDOC8=YesPlease
 185                AC_MSG_RESULT([${asciidoc_version} > 7])
 186                ;;
 187        asciidoc' '7*)
 188                ASCIIDOC8=
 189                AC_MSG_RESULT([${asciidoc_version}])
 190                ;;
 191        *)
 192                ASCIIDOC8=
 193                AC_MSG_RESULT([${asciidoc_version} (unknown)])
 194                ;;
 195        esac
 196fi
 197AC_SUBST(ASCIIDOC8)
 198
 199
 200## Checks for libraries.
 201AC_MSG_NOTICE([CHECKS for libraries])
 202#
 203# Define NO_OPENSSL environment variable if you do not have OpenSSL.
 204# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
 205AC_CHECK_LIB([crypto], [SHA1_Init],
 206[NEEDS_SSL_WITH_CRYPTO=],
 207[AC_CHECK_LIB([ssl], [SHA1_Init],
 208 [NEEDS_SSL_WITH_CRYPTO=YesPlease
 209  NEEDS_SSL_WITH_CRYPTO=],
 210 [NO_OPENSSL=YesPlease])])
 211AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
 212AC_SUBST(NO_OPENSSL)
 213#
 214# Define NO_CURL if you do not have libcurl installed.  git-http-pull and
 215# git-http-push are not built, and you cannot use http:// and https://
 216# transports.
 217AC_CHECK_LIB([curl], [curl_global_init],
 218[NO_CURL=],
 219[NO_CURL=YesPlease])
 220AC_SUBST(NO_CURL)
 221#
 222# Define NO_EXPAT if you do not have expat installed.  git-http-push is
 223# not built, and you cannot push using http:// and https:// transports.
 224AC_CHECK_LIB([expat], [XML_ParserCreate],
 225[NO_EXPAT=],
 226[NO_EXPAT=YesPlease])
 227AC_SUBST(NO_EXPAT)
 228#
 229# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and
 230# some Solaris installations).
 231# Define NO_ICONV if neither libc nor libiconv support iconv.
 232AC_DEFUN([ICONVTEST_SRC], [
 233#include <iconv.h>
 234
 235int main(void)
 236{
 237        iconv_open("", "");
 238        return 0;
 239}
 240])
 241AC_MSG_CHECKING([for iconv in -lc])
 242AC_LINK_IFELSE(ICONVTEST_SRC,
 243        [AC_MSG_RESULT([yes])
 244        NEEDS_LIBICONV=],
 245        [AC_MSG_RESULT([no])
 246        old_LIBS="$LIBS"
 247        LIBS="$LIBS -liconv"
 248        AC_MSG_CHECKING([for iconv in -liconv])
 249        AC_LINK_IFELSE(ICONVTEST_SRC,
 250                [AC_MSG_RESULT([yes])
 251                NEEDS_LIBICONV=YesPlease],
 252                [AC_MSG_RESULT([no])
 253                NO_ICONV=YesPlease])
 254        LIBS="$old_LIBS"])
 255AC_SUBST(NEEDS_LIBICONV)
 256AC_SUBST(NO_ICONV)
 257test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv"
 258#
 259# Define NO_DEFLATE_BOUND if deflateBound is missing from zlib.
 260AC_DEFUN([ZLIBTEST_SRC], [
 261#include <zlib.h>
 262
 263int main(void)
 264{
 265        deflateBound(0, 0);
 266        return 0;
 267}
 268])
 269AC_MSG_CHECKING([for deflateBound in -lz])
 270old_LIBS="$LIBS"
 271LIBS="$LIBS -lz"
 272AC_LINK_IFELSE(ZLIBTEST_SRC,
 273        [AC_MSG_RESULT([yes])],
 274        [AC_MSG_RESULT([no])
 275        NO_DEFLATE_BOUND=yes])
 276LIBS="$old_LIBS"
 277AC_SUBST(NO_DEFLATE_BOUND)
 278#
 279# Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
 280# Patrick Mauritz).
 281AC_CHECK_LIB([c], [socket],
 282[NEEDS_SOCKET=],
 283[NEEDS_SOCKET=YesPlease])
 284AC_SUBST(NEEDS_SOCKET)
 285test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
 286
 287
 288## Checks for header files.
 289AC_MSG_NOTICE([CHECKS for header files])
 290#
 291# Define NO_SYS_SELECT_H if you don't have sys/select.h.
 292AC_CHECK_HEADER([sys/select.h],
 293[NO_SYS_SELECT_H=],
 294[NO_SYS_SELECT_H=UnfortunatelyYes])
 295AC_SUBST(NO_SYS_SELECT_H)
 296#
 297# Define OLD_ICONV if your library has an old iconv(), where the second
 298# (input buffer pointer) parameter is declared with type (const char **).
 299AC_DEFUN([OLDICONVTEST_SRC], [[
 300#include <iconv.h>
 301
 302extern size_t iconv(iconv_t cd,
 303                    char **inbuf, size_t *inbytesleft,
 304                    char **outbuf, size_t *outbytesleft);
 305
 306int main(void)
 307{
 308        return 0;
 309}
 310]])
 311AC_MSG_CHECKING([for old iconv()])
 312AC_COMPILE_IFELSE(OLDICONVTEST_SRC,
 313        [AC_MSG_RESULT([no])],
 314        [AC_MSG_RESULT([yes])
 315        OLD_ICONV=UnfortunatelyYes])
 316AC_SUBST(OLD_ICONV)
 317
 318
 319## Checks for typedefs, structures, and compiler characteristics.
 320AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
 321#
 322# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
 323AC_CHECK_MEMBER(struct dirent.d_ino,
 324[NO_D_INO_IN_DIRENT=],
 325[NO_D_INO_IN_DIRENT=YesPlease],
 326[#include <dirent.h>])
 327AC_SUBST(NO_D_INO_IN_DIRENT)
 328#
 329# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
 330# d_type in struct dirent (latest Cygwin -- will be fixed soonish).
 331AC_CHECK_MEMBER(struct dirent.d_type,
 332[NO_D_TYPE_IN_DIRENT=],
 333[NO_D_TYPE_IN_DIRENT=YesPlease],
 334[#include <dirent.h>])
 335AC_SUBST(NO_D_TYPE_IN_DIRENT)
 336#
 337# Define NO_SOCKADDR_STORAGE if your platform does not have struct
 338# sockaddr_storage.
 339AC_CHECK_TYPE(struct sockaddr_storage,
 340[NO_SOCKADDR_STORAGE=],
 341[NO_SOCKADDR_STORAGE=YesPlease],[
 342#include <sys/types.h>
 343#include <sys/socket.h>
 344])
 345AC_SUBST(NO_SOCKADDR_STORAGE)
 346#
 347# Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
 348AC_CHECK_TYPE([struct addrinfo],[
 349 GIT_CHECK_FUNC([getaddrinfo],
 350  [NO_IPV6=],
 351  [NO_IPV6=YesPlease])
 352],[NO_IPV6=YesPlease],[
 353#include <sys/types.h>
 354#include <sys/socket.h>
 355#include <netdb.h>
 356])
 357AC_SUBST(NO_IPV6)
 358#
 359# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
 360# do not support the 'size specifiers' introduced by C99, namely ll, hh,
 361# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
 362# some C compilers supported these specifiers prior to C99 as an extension.
 363AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers],
 364 [ac_cv_c_c99_format],
 365[# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
 366AC_RUN_IFELSE(
 367        [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
 368                [[char buf[64];
 369                if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
 370                  return 1;
 371                else if (strcmp(buf, "12345"))
 372                  return 2;]])],
 373        [ac_cv_c_c99_format=yes],
 374        [ac_cv_c_c99_format=no])
 375])
 376if test $ac_cv_c_c99_format = no; then
 377        NO_C99_FORMAT=YesPlease
 378else
 379        NO_C99_FORMAT=
 380fi
 381AC_SUBST(NO_C99_FORMAT)
 382#
 383# Define FREAD_READS_DIRECTORIES if your are on a system which succeeds
 384# when attempting to read from an fopen'ed directory.
 385AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory],
 386 [ac_cv_fread_reads_directories],
 387[
 388AC_RUN_IFELSE(
 389        [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
 390                [[char c;
 391                FILE *f = fopen(".", "r");
 392                return f && fread(&c, 1, 1, f)]])],
 393        [ac_cv_fread_reads_directories=no],
 394        [ac_cv_fread_reads_directories=yes])
 395])
 396if test $ac_cv_fread_reads_directories = yes; then
 397        FREAD_READS_DIRECTORIES=UnfortunatelyYes
 398else
 399        FREAD_READS_DIRECTORIES=
 400fi
 401AC_SUBST(FREAD_READS_DIRECTORIES)
 402#
 403# Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf()
 404# or vsnprintf() return -1 instead of number of characters which would
 405# have been written to the final string if enough space had been available.
 406AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value],
 407 [ac_cv_snprintf_returns_bogus],
 408[
 409AC_RUN_IFELSE(
 410        [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
 411                #include "stdarg.h"
 412
 413                int test_vsnprintf(char *str, size_t maxsize, const char *format, ...)
 414                {
 415                  int ret;
 416                  va_list ap;
 417                  va_start(ap, format);
 418                  ret = vsnprintf(str, maxsize, format, ap);
 419                  va_end(ap);
 420                  return ret;
 421                }],
 422                [[char buf[6];
 423                  if (test_vsnprintf(buf, 3, "%s", "12345") != 5
 424                      || strcmp(buf, "12")) return 1;
 425                  if (snprintf(buf, 3, "%s", "12345") != 5
 426                      || strcmp(buf, "12")) return 1]])],
 427        [ac_cv_snprintf_returns_bogus=no],
 428        [ac_cv_snprintf_returns_bogus=yes])
 429])
 430if test $ac_cv_snprintf_returns_bogus = yes; then
 431        SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes
 432else
 433        SNPRINTF_RETURNS_BOGUS=
 434fi
 435AC_SUBST(SNPRINTF_RETURNS_BOGUS)
 436
 437
 438## Checks for library functions.
 439## (in default C library and libraries checked by AC_CHECK_LIB)
 440AC_MSG_NOTICE([CHECKS for library functions])
 441#
 442# Define NO_STRCASESTR if you don't have strcasestr.
 443GIT_CHECK_FUNC(strcasestr,
 444[NO_STRCASESTR=],
 445[NO_STRCASESTR=YesPlease])
 446AC_SUBST(NO_STRCASESTR)
 447#
 448# Define NO_MEMMEM if you don't have memmem.
 449GIT_CHECK_FUNC(memmem,
 450[NO_MEMMEM=],
 451[NO_MEMMEM=YesPlease])
 452AC_SUBST(NO_MEMMEM)
 453#
 454# Define NO_STRLCPY if you don't have strlcpy.
 455GIT_CHECK_FUNC(strlcpy,
 456[NO_STRLCPY=],
 457[NO_STRLCPY=YesPlease])
 458AC_SUBST(NO_STRLCPY)
 459#
 460# Define NO_UINTMAX_T if your platform does not have uintmax_t
 461AC_CHECK_TYPE(uintmax_t,
 462[NO_UINTMAX_T=],
 463[NO_UINTMAX_T=YesPlease],[
 464#include <inttypes.h>
 465])
 466AC_SUBST(NO_UINTMAX_T)
 467#
 468# Define NO_STRTOUMAX if you don't have strtoumax in the C library.
 469GIT_CHECK_FUNC(strtoumax,
 470[NO_STRTOUMAX=],
 471[NO_STRTOUMAX=YesPlease])
 472AC_SUBST(NO_STRTOUMAX)
 473#
 474# Define NO_SETENV if you don't have setenv in the C library.
 475GIT_CHECK_FUNC(setenv,
 476[NO_SETENV=],
 477[NO_SETENV=YesPlease])
 478AC_SUBST(NO_SETENV)
 479#
 480# Define NO_UNSETENV if you don't have unsetenv in the C library.
 481GIT_CHECK_FUNC(unsetenv,
 482[NO_UNSETENV=],
 483[NO_UNSETENV=YesPlease])
 484AC_SUBST(NO_UNSETENV)
 485#
 486# Define NO_MKDTEMP if you don't have mkdtemp in the C library.
 487GIT_CHECK_FUNC(mkdtemp,
 488[NO_MKDTEMP=],
 489[NO_MKDTEMP=YesPlease])
 490AC_SUBST(NO_MKDTEMP)
 491#
 492# Define NO_MMAP if you want to avoid mmap.
 493#
 494# Define NO_ICONV if your libc does not properly support iconv.
 495
 496
 497## Other checks.
 498# Define USE_PIC if you need the main git objects to be built with -fPIC
 499# in order to build and link perl/Git.so.  x86-64 seems to need this.
 500#
 501# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
 502# Enable it on Windows.  By default, symrefs are still used.
 503#
 504# Define NO_PTHREADS if we do not have pthreads
 505#
 506# Define PTHREAD_LIBS to the linker flag used for Pthread support and define
 507# THREADED_DELTA_SEARCH if Pthreads are available.
 508AC_LANG_CONFTEST([AC_LANG_PROGRAM(
 509  [[#include <pthread.h>]],
 510  [[pthread_mutex_t test_mutex;]]
 511)])
 512${CC} -pthread conftest.c -o conftest.o > /dev/null 2>&1
 513if test $? -eq 0;then
 514 PTHREAD_LIBS="-pthread"
 515 THREADED_DELTA_SEARCH=YesPlease
 516else
 517 ${CC} -lpthread conftest.c -o conftest.o > /dev/null 2>&1
 518 if test $? -eq 0;then
 519  PTHREAD_LIBS="-lpthread"
 520  THREADED_DELTA_SEARCH=YesPlease
 521 else
 522  NO_PTHREADS=UnfortunatelyYes
 523 fi
 524fi
 525AC_SUBST(PTHREAD_LIBS)
 526AC_SUBST(NO_PTHREADS)
 527AC_SUBST(THREADED_DELTA_SEARCH)
 528
 529## Site configuration (override autodetection)
 530## --with-PACKAGE[=ARG] and --without-PACKAGE
 531AC_MSG_NOTICE([CHECKS for site configuration])
 532#
 533# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
 534# tests.  These tests take up a significant amount of the total test time
 535# but are not needed unless you plan to talk to SVN repos.
 536#
 537# Define MOZILLA_SHA1 environment variable when running make to make use of
 538# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
 539# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
 540# choice) has very fast version optimized for i586.
 541#
 542# Define PPC_SHA1 environment variable when running make to make use of
 543# a bundled SHA1 routine optimized for PowerPC.
 544#
 545# Define ARM_SHA1 environment variable when running make to make use of
 546# a bundled SHA1 routine optimized for ARM.
 547#
 548# Define NO_OPENSSL environment variable if you do not have OpenSSL.
 549# This also implies MOZILLA_SHA1.
 550#
 551# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
 552# /foo/bar/include and /foo/bar/lib directories.
 553AC_ARG_WITH(openssl,
 554AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
 555AS_HELP_STRING([],              [ARG can be prefix for openssl library and headers]),\
 556GIT_PARSE_WITH(openssl))
 557#
 558# Define NO_CURL if you do not have curl installed.  git-http-pull and
 559# git-http-push are not built, and you cannot use http:// and https://
 560# transports.
 561#
 562# Define CURLDIR=/foo/bar if your curl header and library files are in
 563# /foo/bar/include and /foo/bar/lib directories.
 564AC_ARG_WITH(curl,
 565AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
 566AS_HELP_STRING([],           [ARG can be also prefix for curl library and headers]),
 567GIT_PARSE_WITH(curl))
 568#
 569# Define NO_EXPAT if you do not have expat installed.  git-http-push is
 570# not built, and you cannot push using http:// and https:// transports.
 571#
 572# Define EXPATDIR=/foo/bar if your expat header and library files are in
 573# /foo/bar/include and /foo/bar/lib directories.
 574AC_ARG_WITH(expat,
 575AS_HELP_STRING([--with-expat],
 576[support git-push using http:// and https:// transports via WebDAV (default is YES)])
 577AS_HELP_STRING([],            [ARG can be also prefix for expat library and headers]),
 578GIT_PARSE_WITH(expat))
 579#
 580# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
 581# installed in /sw, but don't want GIT to link against any libraries
 582# installed there.  If defined you may specify your own (or Fink's)
 583# include directories and library directories by defining CFLAGS
 584# and LDFLAGS appropriately.
 585#
 586# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
 587# have DarwinPorts installed in /opt/local, but don't want GIT to
 588# link against any libraries installed there.  If defined you may
 589# specify your own (or DarwinPort's) include directories and
 590# library directories by defining CFLAGS and LDFLAGS appropriately.
 591#
 592# Define NO_MMAP if you want to avoid mmap.
 593#
 594# Define NO_ICONV if your libc does not properly support iconv.
 595AC_ARG_WITH(iconv,
 596AS_HELP_STRING([--without-iconv],
 597[if your architecture doesn't properly support iconv])
 598AS_HELP_STRING([--with-iconv=PATH],
 599[PATH is prefix for libiconv library and headers])
 600AS_HELP_STRING([],
 601[used only if you need linking with libiconv]),
 602GIT_PARSE_WITH(iconv))
 603
 604## --enable-FEATURE[=ARG] and --disable-FEATURE
 605#
 606# Define USE_NSEC below if you want git to care about sub-second file mtimes
 607# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
 608# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
 609# randomly break unless your underlying filesystem supports those sub-second
 610# times (my ext3 doesn't).
 611#
 612# Define USE_STDEV below if you want git to care about the underlying device
 613# change being considered an inode change from the update-index perspective.
 614
 615
 616## Output files
 617AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
 618AC_OUTPUT
 619
 620
 621## Cleanup
 622rm -f "${config_append}"