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