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