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=$withval); \ 65fi \ 66])# GIT_PARSE_WITH 67 68 69## Site configuration related to programs (before tests) 70## --with-PACKAGE[=ARG] and --without-PACKAGE 71# 72# Define SHELL_PATH to provide path to shell. 73GIT_ARG_SET_PATH(shell) 74# 75# Define PERL_PATH to provide path to Perl. 76GIT_ARG_SET_PATH(perl) 77# 78# Define NO_PYTHON if you want to lose all benefits of the recursive merge. 79# Define PYTHON_PATH to provide path to Python. 80AC_ARG_WITH(python,[AS_HELP_STRING([--with-python=PATH], [provide PATH to python]) 81AS_HELP_STRING([--without-python], [don't use python scripts])], 82 [if test "$withval" = "no"; then \ 83 NO_PYTHON=YesPlease; \ 84 elif test "$withval" = "yes"; then \ 85 NO_PYTHON=; \ 86 else \ 87 NO_PYTHON=; \ 88 PYTHON_PATH=$withval; \ 89 fi; \ 90 ]) 91AC_SUBST(NO_PYTHON) 92AC_SUBST(PYTHON_PATH) 93 94 95## Checks for programs. 96AC_MSG_NOTICE([CHECKS for programs]) 97# 98AC_PROG_CC([cc gcc]) 99if test -n "$GCC"; then 100 PIC_FLAG="-fPIC" 101else 102 AC_CHECK_DECL(__SUNPRO_C, [CFLAGS="$CFLAGS -xO3"; PIC_FLAG="-KPIC"]) 103fi 104AC_SUBST(PIC_FLAG) 105 106#AC_PROG_INSTALL # needs install-sh or install.sh in sources 107AC_CHECK_TOOL(AR, ar, :) 108AC_CHECK_PROGS(TAR, [gtar tar]) 109# 110# Define NO_PYTHON if you want to lose all benefits of the recursive merge. 111# Define PYTHON_PATH to provide path to Python. 112if test -z "$NO_PYTHON"; then 113 if test -z "$PYTHON_PATH"; then 114 AC_PATH_PROGS(PYTHON_PATH, [python python2.4 python2.3 python2]) 115 fi 116 if test -n "$PYTHON_PATH"; then 117 GIT_CONF_APPEND_LINE([PYTHON_PATH=@PYTHON_PATH@]) 118 NO_PYTHON="" 119 fi 120fi 121 122 123## Checks for libraries. 124AC_MSG_NOTICE([CHECKS for libraries]) 125# 126# Define NO_OPENSSL environment variable if you do not have OpenSSL. 127# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). 128AC_CHECK_LIB([crypto], [SHA1_Init], 129[NEEDS_SSL_WITH_CRYPTO=], 130[AC_CHECK_LIB([ssl], [SHA1_Init], 131 [NEEDS_SSL_WITH_CRYPTO=YesPlease 132 NEEDS_SSL_WITH_CRYPTO=], 133 [NO_OPENSSL=YesPlease])]) 134AC_SUBST(NEEDS_SSL_WITH_CRYPTO) 135AC_SUBST(NO_OPENSSL) 136# 137# Define NO_CURL if you do not have curl installed. git-http-pull and 138# git-http-push are not built, and you cannot use http:// and https:// 139# transports. 140AC_CHECK_LIB([curl], [curl_global_init], 141[NO_CURL=], 142[NO_CURL=YesPlease]) 143AC_SUBST(NO_CURL) 144# 145# Define NO_EXPAT if you do not have expat installed. git-http-push is 146# not built, and you cannot push using http:// and https:// transports. 147AC_CHECK_LIB([expat], [XML_ParserCreate], 148[NO_EXPAT=], 149[NO_EXPAT=YesPlease]) 150AC_SUBST(NO_EXPAT) 151# 152# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin). 153AC_CHECK_LIB([c], [iconv], 154[NEEDS_LIBICONV=], 155[NEEDS_LIBICONV=YesPlease]) 156AC_SUBST(NEEDS_LIBICONV) 157# 158# Define NEEDS_SOCKET if linking with libc is not enough (SunOS, 159# Patrick Mauritz). 160AC_CHECK_LIB([c], [socket], 161[NEEDS_SOCKET=], 162[NEEDS_SOCKET=YesPlease]) 163AC_SUBST(NEEDS_SOCKET) 164test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" 165 166 167## Checks for header files. 168 169 170## Checks for typedefs, structures, and compiler characteristics. 171AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) 172# 173# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. 174AC_CHECK_MEMBER(struct dirent.d_ino, 175[NO_D_INO_IN_DIRENT=], 176[NO_D_INO_IN_DIRENT=YesPlease], 177[#include <dirent.h>]) 178AC_SUBST(NO_D_INO_IN_DIRENT) 179# 180# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks 181# d_type in struct dirent (latest Cygwin -- will be fixed soonish). 182AC_CHECK_MEMBER(struct dirent.d_type, 183[NO_D_TYPE_IN_DIRENT=], 184[NO_D_TYPE_IN_DIRENT=YesPlease], 185[#include <dirent.h>]) 186AC_SUBST(NO_D_TYPE_IN_DIRENT) 187# 188# Define NO_SOCKADDR_STORAGE if your platform does not have struct 189# sockaddr_storage. 190AC_CHECK_TYPE(struct sockaddr_storage, 191[NO_SOCKADDR_STORAGE=], 192[NO_SOCKADDR_STORAGE=YesPlease],[ 193#include <sys/types.h> 194#include <sys/socket.h> 195]) 196AC_SUBST(NO_SOCKADDR_STORAGE) 197# 198# Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). 199AC_CHECK_TYPE([struct addrinfo],[ 200 AC_CHECK_FUNC([getaddrinfo], 201 [NO_IPV6=], 202 [NO_IPV6=YesPlease]) 203],[NO_IPV6=YesPlease],[ 204#include <sys/types.h> 205#include <sys/socket.h> 206#include <netdb.h> 207]) 208AC_SUBST(NO_IPV6) 209# 210# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.) 211# do not support the 'size specifiers' introduced by C99, namely ll, hh, 212# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t). 213# some C compilers supported these specifiers prior to C99 as an extension. 214AC_CACHE_CHECK(whether formatted IO functions support C99 size specifiers, 215 ac_cv_c_c99_format, 216[# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c 217AC_RUN_IFELSE( 218 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], 219 [[char buf[64]; 220 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5) 221 exit(1); 222 else if (strcmp(buf, "12345")) 223 exit(2);]])], 224 [ac_cv_c_c99_format=yes], 225 [ac_cv_c_c99_format=no]) 226]) 227if test $ac_cv_c_c99_format = no; then 228 NO_C99_FORMAT=YesPlease 229else 230 NO_C99_FORMAT= 231fi 232AC_SUBST(NO_C99_FORMAT) 233 234 235## Checks for library functions. 236## (in default C library and libraries checked by AC_CHECK_LIB) 237AC_MSG_NOTICE([CHECKS for library functions]) 238# 239# Define NO_STRCASESTR if you don't have strcasestr. 240AC_CHECK_FUNC(strcasestr, 241[NO_STRCASESTR=], 242[NO_STRCASESTR=YesPlease]) 243AC_SUBST(NO_STRCASESTR) 244# 245# Define NO_STRLCPY if you don't have strlcpy. 246AC_CHECK_FUNC(strlcpy, 247[NO_STRLCPY=], 248[NO_STRLCPY=YesPlease]) 249AC_SUBST(NO_STRLCPY) 250# 251# Define NO_SETENV if you don't have setenv in the C library. 252AC_CHECK_FUNC(setenv, 253[NO_SETENV=], 254[NO_SETENV=YesPlease]) 255AC_SUBST(NO_SETENV) 256# 257# Define NO_MMAP if you want to avoid mmap. 258# 259# Define NO_ICONV if your libc does not properly support iconv. 260 261 262## Other checks. 263# Define USE_PIC if you need the main git objects to be built with -fPIC 264# in order to build and link perl/Git.so. x86-64 seems to need this. 265# 266# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. 267# Enable it on Windows. By default, symrefs are still used. 268# 269# Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3. 270# 271# Define NO_ACCURATE_DIFF if your diff program at least sometimes misses 272# a missing newline at the end of the file. 273 274 275## Site configuration (override autodetection) 276## --with-PACKAGE[=ARG] and --without-PACKAGE 277AC_MSG_NOTICE([CHECKS for site configuration]) 278# 279# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability 280# tests. These tests take up a significant amount of the total test time 281# but are not needed unless you plan to talk to SVN repos. 282# 283# Define MOZILLA_SHA1 environment variable when running make to make use of 284# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast 285# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default 286# choice) has very fast version optimized for i586. 287# 288# Define PPC_SHA1 environment variable when running make to make use of 289# a bundled SHA1 routine optimized for PowerPC. 290# 291# Define ARM_SHA1 environment variable when running make to make use of 292# a bundled SHA1 routine optimized for ARM. 293# 294# Define NO_OPENSSL environment variable if you do not have OpenSSL. 295# This also implies MOZILLA_SHA1. 296# 297# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in 298# /foo/bar/include and /foo/bar/lib directories. 299AC_ARG_WITH(openssl, 300AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) 301AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\ 302GIT_PARSE_WITH(openssl)) 303# 304# Define NO_CURL if you do not have curl installed. git-http-pull and 305# git-http-push are not built, and you cannot use http:// and https:// 306# transports. 307# 308# Define CURLDIR=/foo/bar if your curl header and library files are in 309# /foo/bar/include and /foo/bar/lib directories. 310AC_ARG_WITH(curl, 311AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) 312AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), 313GIT_PARSE_WITH(curl)) 314# 315# Define NO_EXPAT if you do not have expat installed. git-http-push is 316# not built, and you cannot push using http:// and https:// transports. 317# 318# Define EXPATDIR=/foo/bar if your expat header and library files are in 319# /foo/bar/include and /foo/bar/lib directories. 320AC_ARG_WITH(expat, 321AS_HELP_STRING([--with-expat], 322[support git-push using http:// and https:// transports via WebDAV (default is YES)]) 323AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), 324GIT_PARSE_WITH(expat)) 325# 326# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink 327# installed in /sw, but don't want GIT to link against any libraries 328# installed there. If defined you may specify your own (or Fink's) 329# include directories and library directories by defining CFLAGS 330# and LDFLAGS appropriately. 331# 332# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, 333# have DarwinPorts installed in /opt/local, but don't want GIT to 334# link against any libraries installed there. If defined you may 335# specify your own (or DarwinPort's) include directories and 336# library directories by defining CFLAGS and LDFLAGS appropriately. 337# 338# Define NO_MMAP if you want to avoid mmap. 339 340## --enable-FEATURE[=ARG] and --disable-FEATURE 341# 342# Define COLLISION_CHECK below if you believe that SHA1's 343# 1461501637330902918203684832716283019655932542976 hashes do not give you 344# sufficient guarantee that no collisions between objects will ever happen. 345# 346# Define USE_NSEC below if you want git to care about sub-second file mtimes 347# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and 348# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely 349# randomly break unless your underlying filesystem supports those sub-second 350# times (my ext3 doesn't). 351# 352# Define USE_STDEV below if you want git to care about the underlying device 353# change being considered an inode change from the update-cache perspective. 354 355 356## Output files 357AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) 358AC_OUTPUT 359 360 361## Cleanup 362rm -f "${config_append}"