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