configure.acon commit Merge branch 'master' into js/c-merge-recursive (eed94a5)
   1#                                               -*- Autoconf -*-
   2# Process this file with autoconf to produce a configure script.
   3
   4AC_PREREQ(2.59)
   5AC_INIT([git], [1.4.2], [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
  24## Checks for programs.
  25AC_MSG_NOTICE([CHECKS for programs])
  26#
  27AC_PROG_CC
  28#AC_PROG_INSTALL                # needs install-sh or install.sh in sources
  29AC_CHECK_TOOL(AR, ar, :)
  30AC_CHECK_PROGS(TAR, [gtar tar])
  31#
  32# Define NO_PYTHON if you want to lose all benefits of the recursive merge.
  33
  34
  35## Checks for libraries.
  36AC_MSG_NOTICE([CHECKS for libraries])
  37#
  38# Define NO_OPENSSL environment variable if you do not have OpenSSL.
  39# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
  40AC_CHECK_LIB([ssl], [SHA1_Init],[],
  41[AC_CHECK_LIB([crypto], [SHA1_INIT],
  42 [GIT_CONF_APPEND_LINE(NEEDS_SSL_WITH_CRYPTO=YesPlease)],
  43 [GIT_CONF_APPEND_LINE(NO_OPENSSL=YesPlease)])])
  44#
  45# Define NO_CURL if you do not have curl installed.  git-http-pull and
  46# git-http-push are not built, and you cannot use http:// and https://
  47# transports.
  48AC_CHECK_LIB([curl], [curl_global_init],[],
  49[GIT_CONF_APPEND_LINE(NO_CURL=YesPlease)])
  50#
  51# Define NO_EXPAT if you do not have expat installed.  git-http-push is
  52# not built, and you cannot push using http:// and https:// transports.
  53AC_CHECK_LIB([expat], [XML_ParserCreate],[],
  54[GIT_CONF_APPEND_LINE(NO_EXPAT=YesPlease)])
  55#
  56# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin).
  57AC_CHECK_LIB([c], [iconv],[],
  58[AC_CHECK_LIB([iconv],[iconv],
  59 [GIT_CONF_APPEND_LINE(NEEDS_LIBICONV=YesPlease)],[])])
  60#
  61# Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
  62# Patrick Mauritz).
  63AC_CHECK_LIB([c], [socket],[],
  64[AC_CHECK_LIB([socket],[socket],
  65 [GIT_CONF_APPEND_LINE(NEEDS_SOCKET=YesPlease)],[])])
  66
  67
  68## Checks for header files.
  69
  70
  71## Checks for typedefs, structures, and compiler characteristics.
  72AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
  73#
  74# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
  75AC_CHECK_MEMBER(struct dirent.d_ino,[],
  76[GIT_CONF_APPEND_LINE(NO_D_INO_IN_DIRENT=YesPlease)],
  77[#include <dirent.h>])
  78#
  79# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
  80# d_type in struct dirent (latest Cygwin -- will be fixed soonish).
  81AC_CHECK_MEMBER(struct dirent.d_type,[],
  82[GIT_CONF_APPEND_LINE(NO_D_TYPE_IN_DIRENT=YesPlease)],
  83[#include <dirent.h>])
  84#
  85# Define NO_SOCKADDR_STORAGE if your platform does not have struct
  86# sockaddr_storage.
  87AC_CHECK_TYPE(struct sockaddr_storage,[],
  88[GIT_CONF_APPEND_LINE(NO_SOCKADDR_STORAGE=YesPlease)],
  89[#include <netinet/in.h>])
  90
  91
  92## Checks for library functions.
  93## (in default C library and libraries checked by AC_CHECK_LIB)
  94AC_MSG_NOTICE([CHECKS for library functions])
  95#
  96# Define NO_STRCASESTR if you don't have strcasestr.
  97AC_CHECK_FUNC(strcasestr,[],
  98[GIT_CONF_APPEND_LINE(NO_STRCASESTR=YesPlease)])
  99#
 100# Define NO_STRLCPY if you don't have strlcpy.
 101AC_CHECK_FUNC(strlcpy,[],
 102[GIT_CONF_APPEND_LINE(NO_STRLCPY=YesPlease)])
 103#
 104# Define NO_SETENV if you don't have setenv in the C library.
 105AC_CHECK_FUNC(setenv,[],
 106[GIT_CONF_APPEND_LINE(NO_SETENV=YesPlease)])
 107#
 108# Define NO_MMAP if you want to avoid mmap.
 109#
 110# Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
 111#
 112# Define NO_ICONV if your libc does not properly support iconv.
 113
 114
 115## Other checks.
 116# Define USE_PIC if you need the main git objects to be built with -fPIC
 117# in order to build and link perl/Git.so.  x86-64 seems to need this.
 118#
 119# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
 120# Enable it on Windows.  By default, symrefs are still used.
 121#
 122# Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3.
 123#
 124# Define NO_ACCURATE_DIFF if your diff program at least sometimes misses
 125# a missing newline at the end of the file.
 126
 127
 128## Site configuration
 129## --with-PACKAGE[=ARG] and --without-PACKAGE
 130# Define NO_SVN_TESTS if you want to skip time-consuming SVN interopability
 131# tests.  These tests take up a significant amount of the total test time
 132# but are not needed unless you plan to talk to SVN repos.
 133#
 134# Define MOZILLA_SHA1 environment variable when running make to make use of
 135# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
 136# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
 137# choice) has very fast version optimized for i586.
 138#
 139# Define PPC_SHA1 environment variable when running make to make use of
 140# a bundled SHA1 routine optimized for PowerPC.
 141#
 142# Define ARM_SHA1 environment variable when running make to make use of
 143# a bundled SHA1 routine optimized for ARM.
 144#
 145# Define NO_OPENSSL environment variable if you do not have OpenSSL.
 146# This also implies MOZILLA_SHA1.
 147#
 148# Define NO_CURL if you do not have curl installed.  git-http-pull and
 149# git-http-push are not built, and you cannot use http:// and https://
 150# transports.
 151#
 152# Define CURLDIR=/foo/bar if your curl header and library files are in
 153# /foo/bar/include and /foo/bar/lib directories.
 154#
 155# Define NO_EXPAT if you do not have expat installed.  git-http-push is
 156# not built, and you cannot push using http:// and https:// transports.
 157#
 158# Define NO_MMAP if you want to avoid mmap.
 159#
 160# Define NO_PYTHON if you want to loose all benefits of the recursive merge.
 161#
 162## --enable-FEATURE[=ARG] and --disable-FEATURE
 163# Define COLLISION_CHECK below if you believe that SHA1's
 164# 1461501637330902918203684832716283019655932542976 hashes do not give you
 165# sufficient guarantee that no collisions between objects will ever happen.
 166#
 167# Define USE_NSEC below if you want git to care about sub-second file mtimes
 168# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
 169# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
 170# randomly break unless your underlying filesystem supports those sub-second
 171# times (my ext3 doesn't).
 172#
 173# Define USE_STDEV below if you want git to care about the underlying device
 174# change being considered an inode change from the update-cache perspective.
 175
 176
 177## Output files
 178AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
 179AC_OUTPUT
 180
 181
 182## Cleanup
 183rm -f "${config_append}"