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