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 "$PYTHON_PATH"; then 110 GIT_CONF_APPEND_LINE([PYTHON_PATH=@PYTHON_PATH@]) 111 NO_PYTHON="" 112 fi 113fi 114 115 116## Checks for libraries. 117AC_MSG_NOTICE([CHECKS for libraries]) 118# 119# Define NO_OPENSSL environment variable if you do not have OpenSSL. 120# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). 121AC_CHECK_LIB([crypto], [SHA1_Init], 122[NEEDS_SSL_WITH_CRYPTO=], 123[AC_CHECK_LIB([ssl], [SHA1_Init], 124 [NEEDS_SSL_WITH_CRYPTO=YesPlease 125 NEEDS_SSL_WITH_CRYPTO=], 126 [NO_OPENSSL=YesPlease])]) 127AC_SUBST(NEEDS_SSL_WITH_CRYPTO) 128AC_SUBST(NO_OPENSSL) 129# 130# Define NO_CURL if you do not have curl installed. git-http-pull and 131# git-http-push are not built, and you cannot use http:// and https:// 132# transports. 133AC_CHECK_LIB([curl], [curl_global_init], 134[NO_CURL=], 135[NO_CURL=YesPlease]) 136AC_SUBST(NO_CURL) 137# 138# Define NO_EXPAT if you do not have expat installed. git-http-push is 139# not built, and you cannot push using http:// and https:// transports. 140AC_CHECK_LIB([expat], [XML_ParserCreate], 141[NO_EXPAT=], 142[NO_EXPAT=YesPlease]) 143AC_SUBST(NO_EXPAT) 144# 145# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin). 146AC_CHECK_LIB([c], [iconv], 147[NEEDS_LIBICONV=], 148[NEEDS_LIBICONV=YesPlease]) 149AC_SUBST(NEEDS_LIBICONV) 150test -n "$NEEDS_SOCKET" && LIBS="$LIBS -liconv" 151# 152# Define NEEDS_SOCKET if linking with libc is not enough (SunOS, 153# Patrick Mauritz). 154AC_CHECK_LIB([c], [socket], 155[NEEDS_SOCKET=], 156[NEEDS_SOCKET=YesPlease]) 157AC_SUBST(NEEDS_SOCKET) 158test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" 159 160 161## Checks for header files. 162 163 164## Checks for typedefs, structures, and compiler characteristics. 165AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) 166# 167# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. 168AC_CHECK_MEMBER(struct dirent.d_ino, 169[NO_D_INO_IN_DIRENT=], 170[NO_D_INO_IN_DIRENT=YesPlease], 171[#include <dirent.h>]) 172AC_SUBST(NO_D_INO_IN_DIRENT) 173# 174# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks 175# d_type in struct dirent (latest Cygwin -- will be fixed soonish). 176AC_CHECK_MEMBER(struct dirent.d_type, 177[NO_D_TYPE_IN_DIRENT=], 178[NO_D_TYPE_IN_DIRENT=YesPlease], 179[#include <dirent.h>]) 180AC_SUBST(NO_D_TYPE_IN_DIRENT) 181# 182# Define NO_SOCKADDR_STORAGE if your platform does not have struct 183# sockaddr_storage. 184AC_CHECK_TYPE(struct sockaddr_storage, 185[NO_SOCKADDR_STORAGE=], 186[NO_SOCKADDR_STORAGE=YesPlease],[ 187#include <sys/types.h> 188#include <sys/socket.h> 189]) 190AC_SUBST(NO_SOCKADDR_STORAGE) 191# 192# Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). 193AC_CHECK_TYPE([struct addrinfo],[ 194 AC_CHECK_FUNC([getaddrinfo], 195 [NO_IPV6=], 196 [NO_IPV6=YesPlease]) 197],[NO_IPV6=YesPlease],[ 198#include <sys/types.h> 199#include <sys/socket.h> 200#include <netdb.h> 201]) 202AC_SUBST(NO_IPV6) 203# 204# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.) 205# do not support the 'size specifiers' introduced by C99, namely ll, hh, 206# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t). 207# some C compilers supported these specifiers prior to C99 as an extension. 208AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers], 209 [ac_cv_c_c99_format], 210[# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c 211AC_RUN_IFELSE( 212 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], 213 [[char buf[64]; 214 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5) 215 exit(1); 216 else if (strcmp(buf, "12345")) 217 exit(2);]])], 218 [ac_cv_c_c99_format=yes], 219 [ac_cv_c_c99_format=no]) 220]) 221if test $ac_cv_c_c99_format = no; then 222 NO_C99_FORMAT=YesPlease 223else 224 NO_C99_FORMAT= 225fi 226AC_SUBST(NO_C99_FORMAT) 227 228 229## Checks for library functions. 230## (in default C library and libraries checked by AC_CHECK_LIB) 231AC_MSG_NOTICE([CHECKS for library functions]) 232# 233# Define NO_STRCASESTR if you don't have strcasestr. 234AC_CHECK_FUNC(strcasestr, 235[NO_STRCASESTR=], 236[NO_STRCASESTR=YesPlease]) 237AC_SUBST(NO_STRCASESTR) 238# 239# Define NO_STRLCPY if you don't have strlcpy. 240AC_CHECK_FUNC(strlcpy, 241[NO_STRLCPY=], 242[NO_STRLCPY=YesPlease]) 243AC_SUBST(NO_STRLCPY) 244# 245# Define NO_SETENV if you don't have setenv in the C library. 246AC_CHECK_FUNC(setenv, 247[NO_SETENV=], 248[NO_SETENV=YesPlease]) 249AC_SUBST(NO_SETENV) 250# 251# Define NO_MMAP if you want to avoid mmap. 252# 253# Define NO_ICONV if your libc does not properly support iconv. 254 255 256## Other checks. 257# Define USE_PIC if you need the main git objects to be built with -fPIC 258# in order to build and link perl/Git.so. x86-64 seems to need this. 259# 260# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. 261# Enable it on Windows. By default, symrefs are still used. 262# 263# Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3. 264AC_CACHE_CHECK([for subprocess.py], 265 [ac_cv_python_has_subprocess_py], 266[if $PYTHON_PATH -c 'import subprocess' 2>/dev/null; then 267 ac_cv_python_has_subprocess_py=yes 268else 269 ac_cv_python_has_subprocess_py=no 270fi]) 271if test $ac_cv_python_has_subprocess_py != yes; then 272 GIT_CONF_APPEND_LINE([WITH_OWN_SUBPROCESS_PY=YesPlease]) 273fi 274# 275# Define NO_ACCURATE_DIFF if your diff program at least sometimes misses 276# a missing newline at the end of the file. 277 278 279## Site configuration (override autodetection) 280## --with-PACKAGE[=ARG] and --without-PACKAGE 281AC_MSG_NOTICE([CHECKS for site configuration]) 282# 283# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability 284# tests. These tests take up a significant amount of the total test time 285# but are not needed unless you plan to talk to SVN repos. 286# 287# Define MOZILLA_SHA1 environment variable when running make to make use of 288# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast 289# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default 290# choice) has very fast version optimized for i586. 291# 292# Define PPC_SHA1 environment variable when running make to make use of 293# a bundled SHA1 routine optimized for PowerPC. 294# 295# Define ARM_SHA1 environment variable when running make to make use of 296# a bundled SHA1 routine optimized for ARM. 297# 298# Define NO_OPENSSL environment variable if you do not have OpenSSL. 299# This also implies MOZILLA_SHA1. 300# 301# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in 302# /foo/bar/include and /foo/bar/lib directories. 303AC_ARG_WITH(openssl, 304AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) 305AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\ 306GIT_PARSE_WITH(openssl)) 307# 308# Define NO_CURL if you do not have curl installed. git-http-pull and 309# git-http-push are not built, and you cannot use http:// and https:// 310# transports. 311# 312# Define CURLDIR=/foo/bar if your curl header and library files are in 313# /foo/bar/include and /foo/bar/lib directories. 314AC_ARG_WITH(curl, 315AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) 316AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), 317GIT_PARSE_WITH(curl)) 318# 319# Define NO_EXPAT if you do not have expat installed. git-http-push is 320# not built, and you cannot push using http:// and https:// transports. 321# 322# Define EXPATDIR=/foo/bar if your expat header and library files are in 323# /foo/bar/include and /foo/bar/lib directories. 324AC_ARG_WITH(expat, 325AS_HELP_STRING([--with-expat], 326[support git-push using http:// and https:// transports via WebDAV (default is YES)]) 327AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), 328GIT_PARSE_WITH(expat)) 329# 330# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink 331# installed in /sw, but don't want GIT to link against any libraries 332# installed there. If defined you may specify your own (or Fink's) 333# include directories and library directories by defining CFLAGS 334# and LDFLAGS appropriately. 335# 336# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, 337# have DarwinPorts installed in /opt/local, but don't want GIT to 338# link against any libraries installed there. If defined you may 339# specify your own (or DarwinPort's) include directories and 340# library directories by defining CFLAGS and LDFLAGS appropriately. 341# 342# Define NO_MMAP if you want to avoid mmap. 343 344## --enable-FEATURE[=ARG] and --disable-FEATURE 345# 346# Define COLLISION_CHECK below if you believe that SHA1's 347# 1461501637330902918203684832716283019655932542976 hashes do not give you 348# sufficient guarantee that no collisions between objects will ever happen. 349# 350# Define USE_NSEC below if you want git to care about sub-second file mtimes 351# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and 352# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely 353# randomly break unless your underlying filesystem supports those sub-second 354# times (my ext3 doesn't). 355# 356# Define USE_STDEV below if you want git to care about the underlying device 357# change being considered an inode change from the update-cache perspective. 358 359 360## Output files 361AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) 362AC_OUTPUT 363 364 365## Cleanup 366rm -f "${config_append}"