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