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 and 118# some Solaris installations). 119# Define NO_ICONV if neither libc nor libiconv support iconv. 120AC_DEFUN([ICONVTEST_SRC], [ 121#include <iconv.h> 122 123int main(void) 124{ 125 iconv_open("", ""); 126 return 0; 127} 128]) 129AC_MSG_CHECKING([for iconv in -lc]) 130AC_LINK_IFELSE(ICONVTEST_SRC, 131 [AC_MSG_RESULT([yes]) 132 NEEDS_LIBICONV=], 133 [AC_MSG_RESULT([no]) 134 old_LIBS="$LIBS" 135 LIBS="$LIBS -liconv" 136 AC_MSG_CHECKING([for iconv in -liconv]) 137 AC_LINK_IFELSE(ICONVTEST_SRC, 138 [AC_MSG_RESULT([yes]) 139 NEEDS_LIBICONV=YesPlease], 140 [AC_MSG_RESULT([no]) 141 NO_ICONV=YesPlease]) 142 LIBS="$old_LIBS"]) 143AC_SUBST(NEEDS_LIBICONV) 144AC_SUBST(NO_ICONV) 145test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv" 146# 147# Define NEEDS_SOCKET if linking with libc is not enough (SunOS, 148# Patrick Mauritz). 149AC_CHECK_LIB([c], [socket], 150[NEEDS_SOCKET=], 151[NEEDS_SOCKET=YesPlease]) 152AC_SUBST(NEEDS_SOCKET) 153test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" 154 155 156## Checks for header files. 157 158 159## Checks for typedefs, structures, and compiler characteristics. 160AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) 161# 162# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. 163AC_CHECK_MEMBER(struct dirent.d_ino, 164[NO_D_INO_IN_DIRENT=], 165[NO_D_INO_IN_DIRENT=YesPlease], 166[#include <dirent.h>]) 167AC_SUBST(NO_D_INO_IN_DIRENT) 168# 169# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks 170# d_type in struct dirent (latest Cygwin -- will be fixed soonish). 171AC_CHECK_MEMBER(struct dirent.d_type, 172[NO_D_TYPE_IN_DIRENT=], 173[NO_D_TYPE_IN_DIRENT=YesPlease], 174[#include <dirent.h>]) 175AC_SUBST(NO_D_TYPE_IN_DIRENT) 176# 177# Define NO_SOCKADDR_STORAGE if your platform does not have struct 178# sockaddr_storage. 179AC_CHECK_TYPE(struct sockaddr_storage, 180[NO_SOCKADDR_STORAGE=], 181[NO_SOCKADDR_STORAGE=YesPlease],[ 182#include <sys/types.h> 183#include <sys/socket.h> 184]) 185AC_SUBST(NO_SOCKADDR_STORAGE) 186# 187# Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). 188AC_CHECK_TYPE([struct addrinfo],[ 189 AC_CHECK_FUNC([getaddrinfo], 190 [NO_IPV6=], 191 [NO_IPV6=YesPlease]) 192],[NO_IPV6=YesPlease],[ 193#include <sys/types.h> 194#include <sys/socket.h> 195#include <netdb.h> 196]) 197AC_SUBST(NO_IPV6) 198# 199# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.) 200# do not support the 'size specifiers' introduced by C99, namely ll, hh, 201# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t). 202# some C compilers supported these specifiers prior to C99 as an extension. 203AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers], 204 [ac_cv_c_c99_format], 205[# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c 206AC_RUN_IFELSE( 207 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], 208 [[char buf[64]; 209 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5) 210 exit(1); 211 else if (strcmp(buf, "12345")) 212 exit(2);]])], 213 [ac_cv_c_c99_format=yes], 214 [ac_cv_c_c99_format=no]) 215]) 216if test $ac_cv_c_c99_format = no; then 217 NO_C99_FORMAT=YesPlease 218else 219 NO_C99_FORMAT= 220fi 221AC_SUBST(NO_C99_FORMAT) 222 223 224## Checks for library functions. 225## (in default C library and libraries checked by AC_CHECK_LIB) 226AC_MSG_NOTICE([CHECKS for library functions]) 227# 228# Define NO_STRCASESTR if you don't have strcasestr. 229AC_CHECK_FUNC(strcasestr, 230[NO_STRCASESTR=], 231[NO_STRCASESTR=YesPlease]) 232AC_SUBST(NO_STRCASESTR) 233# 234# Define NO_STRLCPY if you don't have strlcpy. 235AC_CHECK_FUNC(strlcpy, 236[NO_STRLCPY=], 237[NO_STRLCPY=YesPlease]) 238AC_SUBST(NO_STRLCPY) 239# 240# Define NO_SETENV if you don't have setenv in the C library. 241AC_CHECK_FUNC(setenv, 242[NO_SETENV=], 243[NO_SETENV=YesPlease]) 244AC_SUBST(NO_SETENV) 245# 246# Define NO_MMAP if you want to avoid mmap. 247# 248# Define NO_ICONV if your libc does not properly support iconv. 249 250 251## Other checks. 252# Define USE_PIC if you need the main git objects to be built with -fPIC 253# in order to build and link perl/Git.so. x86-64 seems to need this. 254# 255# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. 256# Enable it on Windows. By default, symrefs are still used. 257 258## Site configuration (override autodetection) 259## --with-PACKAGE[=ARG] and --without-PACKAGE 260AC_MSG_NOTICE([CHECKS for site configuration]) 261# 262# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability 263# tests. These tests take up a significant amount of the total test time 264# but are not needed unless you plan to talk to SVN repos. 265# 266# Define MOZILLA_SHA1 environment variable when running make to make use of 267# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast 268# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default 269# choice) has very fast version optimized for i586. 270# 271# Define PPC_SHA1 environment variable when running make to make use of 272# a bundled SHA1 routine optimized for PowerPC. 273# 274# Define ARM_SHA1 environment variable when running make to make use of 275# a bundled SHA1 routine optimized for ARM. 276# 277# Define NO_OPENSSL environment variable if you do not have OpenSSL. 278# This also implies MOZILLA_SHA1. 279# 280# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in 281# /foo/bar/include and /foo/bar/lib directories. 282AC_ARG_WITH(openssl, 283AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) 284AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\ 285GIT_PARSE_WITH(openssl)) 286# 287# Define NO_CURL if you do not have curl installed. git-http-pull and 288# git-http-push are not built, and you cannot use http:// and https:// 289# transports. 290# 291# Define CURLDIR=/foo/bar if your curl header and library files are in 292# /foo/bar/include and /foo/bar/lib directories. 293AC_ARG_WITH(curl, 294AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) 295AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), 296GIT_PARSE_WITH(curl)) 297# 298# Define NO_EXPAT if you do not have expat installed. git-http-push is 299# not built, and you cannot push using http:// and https:// transports. 300# 301# Define EXPATDIR=/foo/bar if your expat header and library files are in 302# /foo/bar/include and /foo/bar/lib directories. 303AC_ARG_WITH(expat, 304AS_HELP_STRING([--with-expat], 305[support git-push using http:// and https:// transports via WebDAV (default is YES)]) 306AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), 307GIT_PARSE_WITH(expat)) 308# 309# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink 310# installed in /sw, but don't want GIT to link against any libraries 311# installed there. If defined you may specify your own (or Fink's) 312# include directories and library directories by defining CFLAGS 313# and LDFLAGS appropriately. 314# 315# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, 316# have DarwinPorts installed in /opt/local, but don't want GIT to 317# link against any libraries installed there. If defined you may 318# specify your own (or DarwinPort's) include directories and 319# library directories by defining CFLAGS and LDFLAGS appropriately. 320# 321# Define NO_MMAP if you want to avoid mmap. 322# 323# Define NO_ICONV if your libc does not properly support iconv. 324AC_ARG_WITH(iconv, 325AS_HELP_STRING([--without-iconv], 326[if your architecture doesn't properly support iconv]) 327AS_HELP_STRING([--with-iconv=PATH], 328[PATH is prefix for libiconv library and headers]) 329AS_HELP_STRING([], 330[used only if you need linking with libiconv]), 331GIT_PARSE_WITH(iconv)) 332 333## --enable-FEATURE[=ARG] and --disable-FEATURE 334# 335# Define USE_NSEC below if you want git to care about sub-second file mtimes 336# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and 337# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely 338# randomly break unless your underlying filesystem supports those sub-second 339# times (my ext3 doesn't). 340# 341# Define USE_STDEV below if you want git to care about the underlying device 342# change being considered an inode change from the update-cache perspective. 343 344 345## Output files 346AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) 347AC_OUTPUT 348 349 350## Cleanup 351rm -f "${config_append}"