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-$1=PATH]); \ 44 else \ 45 GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \ 46 fi; \ 47fi; \ 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 56AC_DEFUN([GIT_PARSE_WITH], 57[PACKAGE=m4_toupper($1); \ 58if test "$withval" = "no"; then \ 59 m4_toupper(NO_$1)=YesPlease; \ 60elif test "$withval" = "yes"; then \ 61 m4_toupper(NO_$1)=; \ 62else \ 63 m4_toupper(NO_$1)=; \ 64 GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \ 65fi \ 66])# GIT_PARSE_WITH 67 68 69## Site configuration related to programs (before tests) 70## --with-PACKAGE[=ARG] and --without-PACKAGE 71# 72# Define SHELL_PATH to provide path to shell. 73GIT_ARG_SET_PATH(shell) 74# 75# Define PERL_PATH to provide path to Perl. 76GIT_ARG_SET_PATH(perl) 77# 78# Define PYTHON_PATH to provide path to Python. 79AC_ARG_WITH(python,[AS_HELP_STRING([--with-python=PATH], [provide PATH to python]) 80AS_HELP_STRING([--without-python], [don't use python scripts])], 81 [if test "$withval" = "no"; then \ 82 NO_PYTHON=YesPlease; \ 83 elif test "$withval" = "yes"; then \ 84 NO_PYTHON=; \ 85 else \ 86 NO_PYTHON=; \ 87 PYTHON_PATH=$withval; \ 88 fi; \ 89 ]) 90AC_SUBST(NO_PYTHON) 91AC_SUBST(PYTHON_PATH) 92 93 94## Checks for programs. 95AC_MSG_NOTICE([CHECKS for programs]) 96# 97AC_PROG_CC([cc gcc]) 98#AC_PROG_INSTALL # needs install-sh or install.sh in sources 99AC_CHECK_TOOL(AR, ar, :) 100AC_CHECK_PROGS(TAR, [gtar tar]) 101# 102# Define PYTHON_PATH to provide path to Python. 103if test -z "$NO_PYTHON"; then 104 if test -z "$PYTHON_PATH"; then 105 AC_PATH_PROGS(PYTHON_PATH, [python python2.4 python2.3 python2]) 106 fi 107 if test -n "$PYTHON_PATH"; then 108 GIT_CONF_APPEND_LINE([PYTHON_PATH=@PYTHON_PATH@]) 109 NO_PYTHON="" 110 fi 111fi 112 113 114## Checks for libraries. 115AC_MSG_NOTICE([CHECKS for libraries]) 116# 117# Define NO_OPENSSL environment variable if you do not have OpenSSL. 118# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). 119AC_CHECK_LIB([crypto], [SHA1_Init], 120[NEEDS_SSL_WITH_CRYPTO=], 121[AC_CHECK_LIB([ssl], [SHA1_Init], 122 [NEEDS_SSL_WITH_CRYPTO=YesPlease 123 NEEDS_SSL_WITH_CRYPTO=], 124 [NO_OPENSSL=YesPlease])]) 125AC_SUBST(NEEDS_SSL_WITH_CRYPTO) 126AC_SUBST(NO_OPENSSL) 127# 128# Define NO_CURL if you do not have curl installed. git-http-pull and 129# git-http-push are not built, and you cannot use http:// and https:// 130# transports. 131AC_CHECK_LIB([curl], [curl_global_init], 132[NO_CURL=], 133[NO_CURL=YesPlease]) 134AC_SUBST(NO_CURL) 135# 136# Define NO_EXPAT if you do not have expat installed. git-http-push is 137# not built, and you cannot push using http:// and https:// transports. 138AC_CHECK_LIB([expat], [XML_ParserCreate], 139[NO_EXPAT=], 140[NO_EXPAT=YesPlease]) 141AC_SUBST(NO_EXPAT) 142# 143# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin). 144# Define NO_ICONV if neither libc nor libiconv support iconv. 145AC_CHECK_LIB([c], [iconv], 146 [NEEDS_LIBICONV=], 147 AC_CHECK_LIB([iconv], [iconv], 148 [NEEDS_LIBICONV=YesPlease], 149 [NO_ICONV=YesPlease])) 150AC_SUBST(NEEDS_LIBICONV) 151AC_SUBST(NO_ICONV) 152test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv" 153# 154# Define NEEDS_SOCKET if linking with libc is not enough (SunOS, 155# Patrick Mauritz). 156AC_CHECK_LIB([c], [socket], 157[NEEDS_SOCKET=], 158[NEEDS_SOCKET=YesPlease]) 159AC_SUBST(NEEDS_SOCKET) 160test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" 161 162 163## Checks for header files. 164 165 166## Checks for typedefs, structures, and compiler characteristics. 167AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) 168# 169# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. 170AC_CHECK_MEMBER(struct dirent.d_ino, 171[NO_D_INO_IN_DIRENT=], 172[NO_D_INO_IN_DIRENT=YesPlease], 173[#include <dirent.h>]) 174AC_SUBST(NO_D_INO_IN_DIRENT) 175# 176# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks 177# d_type in struct dirent (latest Cygwin -- will be fixed soonish). 178AC_CHECK_MEMBER(struct dirent.d_type, 179[NO_D_TYPE_IN_DIRENT=], 180[NO_D_TYPE_IN_DIRENT=YesPlease], 181[#include <dirent.h>]) 182AC_SUBST(NO_D_TYPE_IN_DIRENT) 183# 184# Define NO_SOCKADDR_STORAGE if your platform does not have struct 185# sockaddr_storage. 186AC_CHECK_TYPE(struct sockaddr_storage, 187[NO_SOCKADDR_STORAGE=], 188[NO_SOCKADDR_STORAGE=YesPlease],[ 189#include <sys/types.h> 190#include <sys/socket.h> 191]) 192AC_SUBST(NO_SOCKADDR_STORAGE) 193# 194# Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). 195AC_CHECK_TYPE([struct addrinfo],[ 196 AC_CHECK_FUNC([getaddrinfo], 197 [NO_IPV6=], 198 [NO_IPV6=YesPlease]) 199],[NO_IPV6=YesPlease],[ 200#include <sys/types.h> 201#include <sys/socket.h> 202#include <netdb.h> 203]) 204AC_SUBST(NO_IPV6) 205# 206# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.) 207# do not support the 'size specifiers' introduced by C99, namely ll, hh, 208# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t). 209# some C compilers supported these specifiers prior to C99 as an extension. 210AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers], 211 [ac_cv_c_c99_format], 212[# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c 213AC_RUN_IFELSE( 214 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], 215 [[char buf[64]; 216 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5) 217 exit(1); 218 else if (strcmp(buf, "12345")) 219 exit(2);]])], 220 [ac_cv_c_c99_format=yes], 221 [ac_cv_c_c99_format=no]) 222]) 223if test $ac_cv_c_c99_format = no; then 224 NO_C99_FORMAT=YesPlease 225else 226 NO_C99_FORMAT= 227fi 228AC_SUBST(NO_C99_FORMAT) 229 230 231## Checks for library functions. 232## (in default C library and libraries checked by AC_CHECK_LIB) 233AC_MSG_NOTICE([CHECKS for library functions]) 234# 235# Define NO_STRCASESTR if you don't have strcasestr. 236AC_CHECK_FUNC(strcasestr, 237[NO_STRCASESTR=], 238[NO_STRCASESTR=YesPlease]) 239AC_SUBST(NO_STRCASESTR) 240# 241# Define NO_STRLCPY if you don't have strlcpy. 242AC_CHECK_FUNC(strlcpy, 243[NO_STRLCPY=], 244[NO_STRLCPY=YesPlease]) 245AC_SUBST(NO_STRLCPY) 246# 247# Define NO_SETENV if you don't have setenv in the C library. 248AC_CHECK_FUNC(setenv, 249[NO_SETENV=], 250[NO_SETENV=YesPlease]) 251AC_SUBST(NO_SETENV) 252# 253# Define NO_MMAP if you want to avoid mmap. 254# 255# Define NO_ICONV if your libc does not properly support iconv. 256 257 258## Other checks. 259# Define USE_PIC if you need the main git objects to be built with -fPIC 260# in order to build and link perl/Git.so. x86-64 seems to need this. 261# 262# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. 263# Enable it on Windows. By default, symrefs are still used. 264# 265# Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3. 266AC_CACHE_CHECK([for subprocess.py], 267 [ac_cv_python_has_subprocess_py], 268[if $PYTHON_PATH -c 'import subprocess' 2>/dev/null; then 269 ac_cv_python_has_subprocess_py=yes 270else 271 ac_cv_python_has_subprocess_py=no 272fi]) 273if test $ac_cv_python_has_subprocess_py != yes; then 274 GIT_CONF_APPEND_LINE([WITH_OWN_SUBPROCESS_PY=YesPlease]) 275fi 276# 277# Define NO_ACCURATE_DIFF if your diff program at least sometimes misses 278# a missing newline at the end of the file. 279 280 281## Site configuration (override autodetection) 282## --with-PACKAGE[=ARG] and --without-PACKAGE 283AC_MSG_NOTICE([CHECKS for site configuration]) 284# 285# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability 286# tests. These tests take up a significant amount of the total test time 287# but are not needed unless you plan to talk to SVN repos. 288# 289# Define MOZILLA_SHA1 environment variable when running make to make use of 290# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast 291# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default 292# choice) has very fast version optimized for i586. 293# 294# Define PPC_SHA1 environment variable when running make to make use of 295# a bundled SHA1 routine optimized for PowerPC. 296# 297# Define ARM_SHA1 environment variable when running make to make use of 298# a bundled SHA1 routine optimized for ARM. 299# 300# Define NO_OPENSSL environment variable if you do not have OpenSSL. 301# This also implies MOZILLA_SHA1. 302# 303# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in 304# /foo/bar/include and /foo/bar/lib directories. 305AC_ARG_WITH(openssl, 306AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) 307AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\ 308GIT_PARSE_WITH(openssl)) 309# 310# Define NO_CURL if you do not have curl installed. git-http-pull and 311# git-http-push are not built, and you cannot use http:// and https:// 312# transports. 313# 314# Define CURLDIR=/foo/bar if your curl header and library files are in 315# /foo/bar/include and /foo/bar/lib directories. 316AC_ARG_WITH(curl, 317AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) 318AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), 319GIT_PARSE_WITH(curl)) 320# 321# Define NO_EXPAT if you do not have expat installed. git-http-push is 322# not built, and you cannot push using http:// and https:// transports. 323# 324# Define EXPATDIR=/foo/bar if your expat header and library files are in 325# /foo/bar/include and /foo/bar/lib directories. 326AC_ARG_WITH(expat, 327AS_HELP_STRING([--with-expat], 328[support git-push using http:// and https:// transports via WebDAV (default is YES)]) 329AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), 330GIT_PARSE_WITH(expat)) 331# 332# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink 333# installed in /sw, but don't want GIT to link against any libraries 334# installed there. If defined you may specify your own (or Fink's) 335# include directories and library directories by defining CFLAGS 336# and LDFLAGS appropriately. 337# 338# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, 339# have DarwinPorts installed in /opt/local, but don't want GIT to 340# link against any libraries installed there. If defined you may 341# specify your own (or DarwinPort's) include directories and 342# library directories by defining CFLAGS and LDFLAGS appropriately. 343# 344# Define NO_MMAP if you want to avoid mmap. 345# 346# Define NO_ICONV if your libc does not properly support iconv. 347AC_ARG_WITH(iconv, 348AS_HELP_STRING([--without-iconv], 349[if your architecture doesn't properly support iconv]) 350AS_HELP_STRING([--with-iconv=PATH], 351[PATH is prefix for libiconv library and headers]) 352AS_HELP_STRING([], 353[used only if you need linking with libiconv]), 354GIT_PARSE_WITH(iconv)) 355 356## --enable-FEATURE[=ARG] and --disable-FEATURE 357# 358# Define COLLISION_CHECK below if you believe that SHA1's 359# 1461501637330902918203684832716283019655932542976 hashes do not give you 360# sufficient guarantee that no collisions between objects will ever happen. 361# 362# Define USE_NSEC below if you want git to care about sub-second file mtimes 363# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and 364# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely 365# randomly break unless your underlying filesystem supports those sub-second 366# times (my ext3 doesn't). 367# 368# Define USE_STDEV below if you want git to care about the underlying device 369# change being considered an inode change from the update-cache perspective. 370 371 372## Output files 373AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) 374AC_OUTPUT 375 376 377## Cleanup 378rm -f "${config_append}"