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. 215 216 217## Checks for typedefs, structures, and compiler characteristics. 218AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) 219# 220# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. 221AC_CHECK_MEMBER(struct dirent.d_ino, 222[NO_D_INO_IN_DIRENT=], 223[NO_D_INO_IN_DIRENT=YesPlease], 224[#include <dirent.h>]) 225AC_SUBST(NO_D_INO_IN_DIRENT) 226# 227# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks 228# d_type in struct dirent (latest Cygwin -- will be fixed soonish). 229AC_CHECK_MEMBER(struct dirent.d_type, 230[NO_D_TYPE_IN_DIRENT=], 231[NO_D_TYPE_IN_DIRENT=YesPlease], 232[#include <dirent.h>]) 233AC_SUBST(NO_D_TYPE_IN_DIRENT) 234# 235# Define NO_SOCKADDR_STORAGE if your platform does not have struct 236# sockaddr_storage. 237AC_CHECK_TYPE(struct sockaddr_storage, 238[NO_SOCKADDR_STORAGE=], 239[NO_SOCKADDR_STORAGE=YesPlease],[ 240#include <sys/types.h> 241#include <sys/socket.h> 242]) 243AC_SUBST(NO_SOCKADDR_STORAGE) 244# 245# Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). 246AC_CHECK_TYPE([struct addrinfo],[ 247 AC_CHECK_FUNC([getaddrinfo], 248 [NO_IPV6=], 249 [NO_IPV6=YesPlease]) 250],[NO_IPV6=YesPlease],[ 251#include <sys/types.h> 252#include <sys/socket.h> 253#include <netdb.h> 254]) 255AC_SUBST(NO_IPV6) 256# 257# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.) 258# do not support the 'size specifiers' introduced by C99, namely ll, hh, 259# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t). 260# some C compilers supported these specifiers prior to C99 as an extension. 261AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers], 262 [ac_cv_c_c99_format], 263[# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c 264AC_RUN_IFELSE( 265 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], 266 [[char buf[64]; 267 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5) 268 return 1; 269 else if (strcmp(buf, "12345")) 270 return 2;]])], 271 [ac_cv_c_c99_format=yes], 272 [ac_cv_c_c99_format=no]) 273]) 274if test $ac_cv_c_c99_format = no; then 275 NO_C99_FORMAT=YesPlease 276else 277 NO_C99_FORMAT= 278fi 279AC_SUBST(NO_C99_FORMAT) 280 281 282## Checks for library functions. 283## (in default C library and libraries checked by AC_CHECK_LIB) 284AC_MSG_NOTICE([CHECKS for library functions]) 285# 286# Define NO_STRCASESTR if you don't have strcasestr. 287AC_CHECK_FUNC(strcasestr, 288[NO_STRCASESTR=], 289[NO_STRCASESTR=YesPlease]) 290AC_SUBST(NO_STRCASESTR) 291# 292# Define NO_MEMMEM if you don't have memmem. 293AC_CHECK_FUNC(memmem, 294[NO_MEMMEM=], 295[NO_MEMMEM=YesPlease]) 296AC_SUBST(NO_MEMMEM) 297# 298# Define NO_STRLCPY if you don't have strlcpy. 299AC_CHECK_FUNC(strlcpy, 300[NO_STRLCPY=], 301[NO_STRLCPY=YesPlease]) 302AC_SUBST(NO_STRLCPY) 303# 304# Define NO_STRTOUMAX if you don't have strtoumax in the C library. 305AC_CHECK_FUNC(strtoumax, 306[NO_STRTOUMAX=], 307[NO_STRTOUMAX=YesPlease]) 308AC_SUBST(NO_STRTOUMAX) 309# 310# Define NO_SETENV if you don't have setenv in the C library. 311AC_CHECK_FUNC(setenv, 312[NO_SETENV=], 313[NO_SETENV=YesPlease]) 314AC_SUBST(NO_SETENV) 315# 316# Define NO_MKDTEMP if you don't have mkdtemp in the C library. 317AC_CHECK_FUNC(mkdtemp, 318[NO_MKDTEMP=], 319[NO_MKDTEMP=YesPlease]) 320AC_SUBST(NO_MKDTEMP) 321# 322# Define NO_MMAP if you want to avoid mmap. 323# 324# Define NO_ICONV if your libc does not properly support iconv. 325 326 327## Other checks. 328# Define USE_PIC if you need the main git objects to be built with -fPIC 329# in order to build and link perl/Git.so. x86-64 seems to need this. 330# 331# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. 332# Enable it on Windows. By default, symrefs are still used. 333 334## Site configuration (override autodetection) 335## --with-PACKAGE[=ARG] and --without-PACKAGE 336AC_MSG_NOTICE([CHECKS for site configuration]) 337# 338# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability 339# tests. These tests take up a significant amount of the total test time 340# but are not needed unless you plan to talk to SVN repos. 341# 342# Define MOZILLA_SHA1 environment variable when running make to make use of 343# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast 344# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default 345# choice) has very fast version optimized for i586. 346# 347# Define PPC_SHA1 environment variable when running make to make use of 348# a bundled SHA1 routine optimized for PowerPC. 349# 350# Define ARM_SHA1 environment variable when running make to make use of 351# a bundled SHA1 routine optimized for ARM. 352# 353# Define NO_OPENSSL environment variable if you do not have OpenSSL. 354# This also implies MOZILLA_SHA1. 355# 356# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in 357# /foo/bar/include and /foo/bar/lib directories. 358AC_ARG_WITH(openssl, 359AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) 360AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\ 361GIT_PARSE_WITH(openssl)) 362# 363# Define NO_CURL if you do not have curl installed. git-http-pull and 364# git-http-push are not built, and you cannot use http:// and https:// 365# transports. 366# 367# Define CURLDIR=/foo/bar if your curl header and library files are in 368# /foo/bar/include and /foo/bar/lib directories. 369AC_ARG_WITH(curl, 370AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) 371AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), 372GIT_PARSE_WITH(curl)) 373# 374# Define NO_EXPAT if you do not have expat installed. git-http-push is 375# not built, and you cannot push using http:// and https:// transports. 376# 377# Define EXPATDIR=/foo/bar if your expat header and library files are in 378# /foo/bar/include and /foo/bar/lib directories. 379AC_ARG_WITH(expat, 380AS_HELP_STRING([--with-expat], 381[support git-push using http:// and https:// transports via WebDAV (default is YES)]) 382AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), 383GIT_PARSE_WITH(expat)) 384# 385# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink 386# installed in /sw, but don't want GIT to link against any libraries 387# installed there. If defined you may specify your own (or Fink's) 388# include directories and library directories by defining CFLAGS 389# and LDFLAGS appropriately. 390# 391# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, 392# have DarwinPorts installed in /opt/local, but don't want GIT to 393# link against any libraries installed there. If defined you may 394# specify your own (or DarwinPort's) include directories and 395# library directories by defining CFLAGS and LDFLAGS appropriately. 396# 397# Define NO_MMAP if you want to avoid mmap. 398# 399# Define NO_ICONV if your libc does not properly support iconv. 400AC_ARG_WITH(iconv, 401AS_HELP_STRING([--without-iconv], 402[if your architecture doesn't properly support iconv]) 403AS_HELP_STRING([--with-iconv=PATH], 404[PATH is prefix for libiconv library and headers]) 405AS_HELP_STRING([], 406[used only if you need linking with libiconv]), 407GIT_PARSE_WITH(iconv)) 408 409## --enable-FEATURE[=ARG] and --disable-FEATURE 410# 411# Define USE_NSEC below if you want git to care about sub-second file mtimes 412# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and 413# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely 414# randomly break unless your underlying filesystem supports those sub-second 415# times (my ext3 doesn't). 416# 417# Define USE_STDEV below if you want git to care about the underlying device 418# change being considered an inode change from the update-cache perspective. 419 420 421## Output files 422AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) 423AC_OUTPUT 424 425 426## Cleanup 427rm -f "${config_append}"