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