1# -*- Autoconf -*- 2# Process this file with autoconf to produce a configure script. 3 4AC_PREREQ(2.59) 5AC_INIT([git], [1.4.1], [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_WARN([You cannot use git without $1]); \ 41else \ 42 if test "$withval" = "yes"; then \ 43 AC_MSG_WARN([You should provide path for --with-$1=PATH]); \ 44 else \ 45 GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \ 46 fi; \ 47fi; \ 48]) # GIT_CONF_APPEND_PATH 49 50 51## Site configuration 52## --with-PACKAGE[=ARG] and --without-PACKAGE 53# 54# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability 55# tests. These tests take up a significant amount of the total test time 56# but are not needed unless you plan to talk to SVN repos. 57# 58# Define MOZILLA_SHA1 environment variable when running make to make use of 59# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast 60# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default 61# choice) has very fast version optimized for i586. 62# 63# Define PPC_SHA1 environment variable when running make to make use of 64# a bundled SHA1 routine optimized for PowerPC. 65# 66# Define ARM_SHA1 environment variable when running make to make use of 67# a bundled SHA1 routine optimized for ARM. 68# 69# Define NO_OPENSSL environment variable if you do not have OpenSSL. 70# This also implies MOZILLA_SHA1. 71# 72# Define NO_CURL if you do not have curl installed. git-http-pull and 73# git-http-push are not built, and you cannot use http:// and https:// 74# transports. 75# 76# Define CURLDIR=/foo/bar if your curl header and library files are in 77# /foo/bar/include and /foo/bar/lib directories. 78# 79# Define NO_EXPAT if you do not have expat installed. git-http-push is 80# not built, and you cannot push using http:// and https:// transports. 81# 82# Define NO_MMAP if you want to avoid mmap. 83# 84# Define SHELL_PATH to provide path to shell. 85GIT_ARG_SET_PATH(shell) 86# 87# Define PERL_PATH to provide path to Perl. 88GIT_ARG_SET_PATH(perl) 89# 90# Define NO_PYTHON if you want to lose all benefits of the recursive merge. 91# Define PYTHON_PATH to provide path to Python. 92AC_ARG_WITH(python,[AS_HELP_STRING([--with-python=PATH], [provide PATH to python]) 93AS_HELP_STRING([--no-python], [don't use python scripts])], 94 [if test "$withval" = "no"; then \ 95 NO_PYTHON=YesPlease; \ 96 elif test "$withval" != "yes"; then \ 97 PYTHON_PATH=$withval; \ 98 fi; \ 99 ]) 100AC_SUBST(NO_PYTHON) 101AC_SUBST(PYTHON_PATH) 102# 103## --enable-FEATURE[=ARG] and --disable-FEATURE 104# Define COLLISION_CHECK below if you believe that SHA1's 105# 1461501637330902918203684832716283019655932542976 hashes do not give you 106# sufficient guarantee that no collisions between objects will ever happen. 107# 108# Define USE_NSEC below if you want git to care about sub-second file mtimes 109# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and 110# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely 111# randomly break unless your underlying filesystem supports those sub-second 112# times (my ext3 doesn't). 113# 114# Define USE_STDEV below if you want git to care about the underlying device 115# change being considered an inode change from the update-cache perspective. 116 117 118## Checks for programs. 119AC_MSG_NOTICE([CHECKS for programs]) 120# 121AC_PROG_CC 122#AC_PROG_INSTALL # needs install-sh or install.sh in sources 123AC_CHECK_TOOL(AR, ar, :) 124AC_CHECK_PROGS(TAR, [gtar tar]) 125# 126# Define NO_PYTHON if you want to lose all benefits of the recursive merge. 127# Define PYTHON_PATH to provide path to Python. 128if test -z "$NO_PYTHON"; then 129 AC_PATH_PROGS(PYTHON_PATH, [python2.4 python2.3 python2 python]) 130 if test -n "$PYTHON_PATH"; then 131 GIT_CONF_APPEND_LINE([PYTHON_PATH=@PYTHON_PATH@]) 132 else 133 GIT_CONF_APPEND_LINE([NO_PYTHON=@NO_PYTHON@]) 134 fi 135else 136 GIT_CONF_APPEND_LINE([NO_PYTHON=@NO_PYTHON@]) 137fi 138 139 140## Checks for libraries. 141AC_MSG_NOTICE([CHECKS for libraries]) 142# 143# Define NO_OPENSSL environment variable if you do not have OpenSSL. 144# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). 145AC_CHECK_LIB([ssl], [SHA1_Init],[], 146[AC_CHECK_LIB([crypto], [SHA1_INIT], 147 [GIT_CONF_APPEND_LINE(NEEDS_SSL_WITH_CRYPTO=YesPlease)], 148 [GIT_CONF_APPEND_LINE(NO_OPENSSL=YesPlease)])]) 149# 150# Define NO_CURL if you do not have curl installed. git-http-pull and 151# git-http-push are not built, and you cannot use http:// and https:// 152# transports. 153AC_CHECK_LIB([curl], [curl_global_init],[], 154[GIT_CONF_APPEND_LINE(NO_CURL=YesPlease)]) 155# 156# Define NO_EXPAT if you do not have expat installed. git-http-push is 157# not built, and you cannot push using http:// and https:// transports. 158AC_CHECK_LIB([expat], [XML_ParserCreate],[], 159[GIT_CONF_APPEND_LINE(NO_EXPAT=YesPlease)]) 160# 161# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin). 162AC_CHECK_LIB([c], [iconv],[], 163[AC_CHECK_LIB([iconv],[iconv], 164 [GIT_CONF_APPEND_LINE(NEEDS_LIBICONV=YesPlease)],[])]) 165# 166# Define NEEDS_SOCKET if linking with libc is not enough (SunOS, 167# Patrick Mauritz). 168AC_CHECK_LIB([c], [socket],[], 169[AC_CHECK_LIB([socket],[socket], 170 [GIT_CONF_APPEND_LINE(NEEDS_SOCKET=YesPlease)],[])]) 171 172 173## Checks for header files. 174 175 176## Checks for typedefs, structures, and compiler characteristics. 177AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) 178# 179# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. 180AC_CHECK_MEMBER(struct dirent.d_ino,[], 181[GIT_CONF_APPEND_LINE(NO_D_INO_IN_DIRENT=YesPlease)], 182[#include <dirent.h>]) 183# 184# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks 185# d_type in struct dirent (latest Cygwin -- will be fixed soonish). 186AC_CHECK_MEMBER(struct dirent.d_type,[], 187[GIT_CONF_APPEND_LINE(NO_D_TYPE_IN_DIRENT=YesPlease)], 188[#include <dirent.h>]) 189# 190# Define NO_SOCKADDR_STORAGE if your platform does not have struct 191# sockaddr_storage. 192AC_CHECK_TYPE(struct sockaddr_storage,[], 193[GIT_CONF_APPEND_LINE(NO_SOCKADDR_STORAGE=YesPlease)], 194[#include <netinet/in.h>]) 195# 196# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.) 197# do not support the 'size specifiers' introduced by C99, namely ll, hh, 198# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t). 199# some C compilers supported these specifiers prior to C99 as an extension. 200AC_CACHE_CHECK(whether formatted IO functions support C99 size specifiers, 201 ac_cv_c_c99_format, 202[# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c 203AC_RUN_IFELSE( 204 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], 205 [[char buf[64]; 206 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5) 207 exit(1); 208 else if (strcmp(buf, "12345")) 209 exit(2);]])], 210 [ac_cv_c_c99_format=yes], 211 [ac_cv_c_c99_format=no]) 212]) 213if test $ac_cv_c_c99_format = no; then 214 GIT_CONF_APPEND_LINE(NO_C99_FORMAT=YesPlease) 215fi 216 217 218## Checks for library functions. 219## (in default C library and libraries checked by AC_CHECK_LIB) 220AC_MSG_NOTICE([CHECKS for library functions]) 221# 222# Define NO_STRCASESTR if you don't have strcasestr. 223AC_CHECK_FUNC(strcasestr,[], 224[GIT_CONF_APPEND_LINE(NO_STRCASESTR=YesPlease)]) 225# 226# Define NO_STRLCPY if you don't have strlcpy. 227AC_CHECK_FUNC(strlcpy,[], 228[GIT_CONF_APPEND_LINE(NO_STRLCPY=YesPlease)]) 229# 230# Define NO_SETENV if you don't have setenv in the C library. 231AC_CHECK_FUNC(setenv,[], 232[GIT_CONF_APPEND_LINE(NO_SETENV=YesPlease)]) 233# 234# Define NO_MMAP if you want to avoid mmap. 235# 236# Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). 237# 238# Define NO_ICONV if your libc does not properly support iconv. 239 240 241## Other checks. 242# Define USE_PIC if you need the main git objects to be built with -fPIC 243# in order to build and link perl/Git.so. x86-64 seems to need this. 244# 245# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. 246# Enable it on Windows. By default, symrefs are still used. 247# 248# Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3. 249# 250# Define NO_ACCURATE_DIFF if your diff program at least sometimes misses 251# a missing newline at the end of the file. 252 253 254## Output files 255AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) 256AC_OUTPUT 257 258 259## Cleanup 260rm -f "${config_append}"