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=$withval); \ 65fi \ 66])# GIT_PARSE_WITH 67 68 69## Site configuration related to programs (before tests) 70## --with-PACKAGE[=ARG] and --without-PACKAGE 71# 72# Set lib to alternative name of lib directory (e.g. lib64) 73AC_ARG_WITH([lib], 74 [AS_HELP_STRING([--with-lib=ARG], 75 [ARG specifies alternative name for lib directory])], 76 [if test "$withval" = "no" || test "$withval" = "yes"; then \ 77 AC_MSG_WARN([You should provide name for --with-lib=ARG]); \ 78else \ 79 GIT_CONF_APPEND_LINE(lib=$withval); \ 80fi; \ 81],[]) 82# 83# Define SHELL_PATH to provide path to shell. 84GIT_ARG_SET_PATH(shell) 85# 86# Define PERL_PATH to provide path to Perl. 87GIT_ARG_SET_PATH(perl) 88# 89# Define ZLIB_PATH to provide path to zlib. 90GIT_ARG_SET_PATH(zlib) 91# 92# Declare the with-tcltk/without-tcltk options. 93AC_ARG_WITH(tcltk, 94AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)]) 95AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.]) 96AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if]) 97AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),\ 98GIT_PARSE_WITH(tcltk)) 99# 100 101 102## Checks for programs. 103AC_MSG_NOTICE([CHECKS for programs]) 104# 105AC_PROG_CC([cc gcc]) 106#AC_PROG_INSTALL # needs install-sh or install.sh in sources 107AC_CHECK_TOOLS(AR, [gar ar], :) 108AC_CHECK_PROGS(TAR, [gtar tar]) 109# TCLTK_PATH will be set to some value if we want Tcl/Tk 110# or will be empty otherwise. 111if test -z "$NO_TCLTK"; then 112 if test "$with_tcltk" = ""; then 113 # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'. 114 TCLTK_PATH=wish 115 AC_SUBST(TCLTK_PATH) 116 elif test "$with_tcltk" = "yes"; then 117 # Tcl/Tk check requested. 118 AC_CHECK_PROGS(TCLTK_PATH, [wish], ) 119 else 120 AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk]) 121 TCLTK_PATH="$with_tcltk" 122 AC_SUBST(TCLTK_PATH) 123 fi 124fi 125AC_CHECK_PROGS(ASCIIDOC, [asciidoc]) 126if test -n "$ASCIIDOC"; then 127 AC_MSG_CHECKING([for asciidoc version]) 128 asciidoc_version=`$ASCIIDOC --version 2>&1` 129 case "${asciidoc_version}" in 130 asciidoc' '8*) 131 ASCIIDOC8=YesPlease 132 AC_MSG_RESULT([${asciidoc_version} > 7]) 133 ;; 134 asciidoc' '7*) 135 ASCIIDOC8= 136 AC_MSG_RESULT([${asciidoc_version}]) 137 ;; 138 *) 139 ASCIIDOC8= 140 AC_MSG_RESULT([${asciidoc_version} (unknown)]) 141 ;; 142 esac 143fi 144AC_SUBST(ASCIIDOC8) 145 146 147## Checks for libraries. 148AC_MSG_NOTICE([CHECKS for libraries]) 149# 150# Define NO_OPENSSL environment variable if you do not have OpenSSL. 151# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). 152AC_CHECK_LIB([crypto], [SHA1_Init], 153[NEEDS_SSL_WITH_CRYPTO=], 154[AC_CHECK_LIB([ssl], [SHA1_Init], 155 [NEEDS_SSL_WITH_CRYPTO=YesPlease 156 NEEDS_SSL_WITH_CRYPTO=], 157 [NO_OPENSSL=YesPlease])]) 158AC_SUBST(NEEDS_SSL_WITH_CRYPTO) 159AC_SUBST(NO_OPENSSL) 160# 161# Define NO_CURL if you do not have curl installed. git-http-pull and 162# git-http-push are not built, and you cannot use http:// and https:// 163# transports. 164AC_CHECK_LIB([curl], [curl_global_init], 165[NO_CURL=], 166[NO_CURL=YesPlease]) 167AC_SUBST(NO_CURL) 168# 169# Define NO_EXPAT if you do not have expat installed. git-http-push is 170# not built, and you cannot push using http:// and https:// transports. 171AC_CHECK_LIB([expat], [XML_ParserCreate], 172[NO_EXPAT=], 173[NO_EXPAT=YesPlease]) 174AC_SUBST(NO_EXPAT) 175# 176# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and 177# some Solaris installations). 178# Define NO_ICONV if neither libc nor libiconv support iconv. 179AC_DEFUN([ICONVTEST_SRC], [ 180#include <iconv.h> 181 182int main(void) 183{ 184 iconv_open("", ""); 185 return 0; 186} 187]) 188AC_MSG_CHECKING([for iconv in -lc]) 189AC_LINK_IFELSE(ICONVTEST_SRC, 190 [AC_MSG_RESULT([yes]) 191 NEEDS_LIBICONV=], 192 [AC_MSG_RESULT([no]) 193 old_LIBS="$LIBS" 194 LIBS="$LIBS -liconv" 195 AC_MSG_CHECKING([for iconv in -liconv]) 196 AC_LINK_IFELSE(ICONVTEST_SRC, 197 [AC_MSG_RESULT([yes]) 198 NEEDS_LIBICONV=YesPlease], 199 [AC_MSG_RESULT([no]) 200 NO_ICONV=YesPlease]) 201 LIBS="$old_LIBS"]) 202AC_SUBST(NEEDS_LIBICONV) 203AC_SUBST(NO_ICONV) 204test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv" 205# 206# Define NO_DEFLATE_BOUND if deflateBound is missing from zlib. 207AC_DEFUN([ZLIBTEST_SRC], [ 208#include <zlib.h> 209 210int main(void) 211{ 212 deflateBound(0, 0); 213 return 0; 214} 215]) 216AC_MSG_CHECKING([for deflateBound in -lz]) 217old_LIBS="$LIBS" 218LIBS="$LIBS -lz" 219AC_LINK_IFELSE(ZLIBTEST_SRC, 220 [AC_MSG_RESULT([yes])], 221 [AC_MSG_RESULT([no]) 222 NO_DEFLATE_BOUND=yes]) 223LIBS="$old_LIBS" 224AC_SUBST(NO_DEFLATE_BOUND) 225# 226# Define NEEDS_SOCKET if linking with libc is not enough (SunOS, 227# Patrick Mauritz). 228AC_CHECK_LIB([c], [socket], 229[NEEDS_SOCKET=], 230[NEEDS_SOCKET=YesPlease]) 231AC_SUBST(NEEDS_SOCKET) 232test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" 233 234 235## Checks for header files. 236AC_MSG_NOTICE([CHECKS for header files]) 237# 238# Define OLD_ICONV if your library has an old iconv(), where the second 239# (input buffer pointer) parameter is declared with type (const char **). 240AC_DEFUN([OLDICONVTEST_SRC], [[ 241#include <iconv.h> 242 243extern size_t iconv(iconv_t cd, 244 char **inbuf, size_t *inbytesleft, 245 char **outbuf, size_t *outbytesleft); 246 247int main(void) 248{ 249 return 0; 250} 251]]) 252AC_MSG_CHECKING([for old iconv()]) 253AC_COMPILE_IFELSE(OLDICONVTEST_SRC, 254 [AC_MSG_RESULT([no])], 255 [AC_MSG_RESULT([yes]) 256 OLD_ICONV=UnfortunatelyYes]) 257AC_SUBST(OLD_ICONV) 258 259 260## Checks for typedefs, structures, and compiler characteristics. 261AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) 262# 263# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. 264AC_CHECK_MEMBER(struct dirent.d_ino, 265[NO_D_INO_IN_DIRENT=], 266[NO_D_INO_IN_DIRENT=YesPlease], 267[#include <dirent.h>]) 268AC_SUBST(NO_D_INO_IN_DIRENT) 269# 270# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks 271# d_type in struct dirent (latest Cygwin -- will be fixed soonish). 272AC_CHECK_MEMBER(struct dirent.d_type, 273[NO_D_TYPE_IN_DIRENT=], 274[NO_D_TYPE_IN_DIRENT=YesPlease], 275[#include <dirent.h>]) 276AC_SUBST(NO_D_TYPE_IN_DIRENT) 277# 278# Define NO_SOCKADDR_STORAGE if your platform does not have struct 279# sockaddr_storage. 280AC_CHECK_TYPE(struct sockaddr_storage, 281[NO_SOCKADDR_STORAGE=], 282[NO_SOCKADDR_STORAGE=YesPlease],[ 283#include <sys/types.h> 284#include <sys/socket.h> 285]) 286AC_SUBST(NO_SOCKADDR_STORAGE) 287# 288# Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). 289AC_CHECK_TYPE([struct addrinfo],[ 290 AC_CHECK_FUNC([getaddrinfo], 291 [NO_IPV6=], 292 [NO_IPV6=YesPlease]) 293],[NO_IPV6=YesPlease],[ 294#include <sys/types.h> 295#include <sys/socket.h> 296#include <netdb.h> 297]) 298AC_SUBST(NO_IPV6) 299# 300# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.) 301# do not support the 'size specifiers' introduced by C99, namely ll, hh, 302# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t). 303# some C compilers supported these specifiers prior to C99 as an extension. 304AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers], 305 [ac_cv_c_c99_format], 306[# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c 307AC_RUN_IFELSE( 308 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], 309 [[char buf[64]; 310 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5) 311 return 1; 312 else if (strcmp(buf, "12345")) 313 return 2;]])], 314 [ac_cv_c_c99_format=yes], 315 [ac_cv_c_c99_format=no]) 316]) 317if test $ac_cv_c_c99_format = no; then 318 NO_C99_FORMAT=YesPlease 319else 320 NO_C99_FORMAT= 321fi 322AC_SUBST(NO_C99_FORMAT) 323 324 325## Checks for library functions. 326## (in default C library and libraries checked by AC_CHECK_LIB) 327AC_MSG_NOTICE([CHECKS for library functions]) 328# 329# Define NO_STRCASESTR if you don't have strcasestr. 330AC_CHECK_FUNC(strcasestr, 331[NO_STRCASESTR=], 332[NO_STRCASESTR=YesPlease]) 333AC_SUBST(NO_STRCASESTR) 334# 335# Define NO_MEMMEM if you don't have memmem. 336AC_CHECK_FUNC(memmem, 337[NO_MEMMEM=], 338[NO_MEMMEM=YesPlease]) 339AC_SUBST(NO_MEMMEM) 340# 341# Define NO_STRLCPY if you don't have strlcpy. 342AC_CHECK_FUNC(strlcpy, 343[NO_STRLCPY=], 344[NO_STRLCPY=YesPlease]) 345AC_SUBST(NO_STRLCPY) 346# 347# Define NO_STRTOUMAX if you don't have strtoumax in the C library. 348AC_CHECK_FUNC(strtoumax, 349[NO_STRTOUMAX=], 350[NO_STRTOUMAX=YesPlease]) 351AC_SUBST(NO_STRTOUMAX) 352# 353# Define NO_SETENV if you don't have setenv in the C library. 354AC_CHECK_FUNC(setenv, 355[NO_SETENV=], 356[NO_SETENV=YesPlease]) 357AC_SUBST(NO_SETENV) 358# 359# Define NO_MKDTEMP if you don't have mkdtemp in the C library. 360AC_CHECK_FUNC(mkdtemp, 361[NO_MKDTEMP=], 362[NO_MKDTEMP=YesPlease]) 363AC_SUBST(NO_MKDTEMP) 364# 365# Define NO_MMAP if you want to avoid mmap. 366# 367# Define NO_ICONV if your libc does not properly support iconv. 368 369 370## Other checks. 371# Define USE_PIC if you need the main git objects to be built with -fPIC 372# in order to build and link perl/Git.so. x86-64 seems to need this. 373# 374# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. 375# Enable it on Windows. By default, symrefs are still used. 376 377## Site configuration (override autodetection) 378## --with-PACKAGE[=ARG] and --without-PACKAGE 379AC_MSG_NOTICE([CHECKS for site configuration]) 380# 381# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability 382# tests. These tests take up a significant amount of the total test time 383# but are not needed unless you plan to talk to SVN repos. 384# 385# Define MOZILLA_SHA1 environment variable when running make to make use of 386# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast 387# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default 388# choice) has very fast version optimized for i586. 389# 390# Define PPC_SHA1 environment variable when running make to make use of 391# a bundled SHA1 routine optimized for PowerPC. 392# 393# Define ARM_SHA1 environment variable when running make to make use of 394# a bundled SHA1 routine optimized for ARM. 395# 396# Define NO_OPENSSL environment variable if you do not have OpenSSL. 397# This also implies MOZILLA_SHA1. 398# 399# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in 400# /foo/bar/include and /foo/bar/lib directories. 401AC_ARG_WITH(openssl, 402AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) 403AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\ 404GIT_PARSE_WITH(openssl)) 405# 406# Define NO_CURL if you do not have curl installed. git-http-pull and 407# git-http-push are not built, and you cannot use http:// and https:// 408# transports. 409# 410# Define CURLDIR=/foo/bar if your curl header and library files are in 411# /foo/bar/include and /foo/bar/lib directories. 412AC_ARG_WITH(curl, 413AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) 414AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), 415GIT_PARSE_WITH(curl)) 416# 417# Define NO_EXPAT if you do not have expat installed. git-http-push is 418# not built, and you cannot push using http:// and https:// transports. 419# 420# Define EXPATDIR=/foo/bar if your expat header and library files are in 421# /foo/bar/include and /foo/bar/lib directories. 422AC_ARG_WITH(expat, 423AS_HELP_STRING([--with-expat], 424[support git-push using http:// and https:// transports via WebDAV (default is YES)]) 425AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), 426GIT_PARSE_WITH(expat)) 427# 428# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink 429# installed in /sw, but don't want GIT to link against any libraries 430# installed there. If defined you may specify your own (or Fink's) 431# include directories and library directories by defining CFLAGS 432# and LDFLAGS appropriately. 433# 434# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, 435# have DarwinPorts installed in /opt/local, but don't want GIT to 436# link against any libraries installed there. If defined you may 437# specify your own (or DarwinPort's) include directories and 438# library directories by defining CFLAGS and LDFLAGS appropriately. 439# 440# Define NO_MMAP if you want to avoid mmap. 441# 442# Define NO_ICONV if your libc does not properly support iconv. 443AC_ARG_WITH(iconv, 444AS_HELP_STRING([--without-iconv], 445[if your architecture doesn't properly support iconv]) 446AS_HELP_STRING([--with-iconv=PATH], 447[PATH is prefix for libiconv library and headers]) 448AS_HELP_STRING([], 449[used only if you need linking with libiconv]), 450GIT_PARSE_WITH(iconv)) 451 452## --enable-FEATURE[=ARG] and --disable-FEATURE 453# 454# Define USE_NSEC below if you want git to care about sub-second file mtimes 455# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and 456# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely 457# randomly break unless your underlying filesystem supports those sub-second 458# times (my ext3 doesn't). 459# 460# Define USE_STDEV below if you want git to care about the underlying device 461# change being considered an inode change from the update-index perspective. 462 463 464## Output files 465AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) 466AC_OUTPUT 467 468 469## Cleanup 470rm -f "${config_append}"