| # -*- Autoconf -*- |
| # Process this file with autoconf to produce a configure script. |
| |
| ## Definitions of private macros. |
| |
| # GIT_CONF_SUBST(VAL, VAR) |
| # ------------------------ |
| # Cause the line "VAR=VAL" to be eventually appended to ${config_file}. |
| AC_DEFUN([GIT_CONF_SUBST], |
| [AC_REQUIRE([GIT_CONF_SUBST_INIT]) |
| config_appended_defs="$config_appended_defs${newline}dnl |
| $1=m4_if([$#],[1],[${$1}],[$2])"]) |
| |
| # GIT_CONF_SUBST_INIT |
| # ------------------- |
| # Prepare shell variables and autoconf machine required by later calls |
| # to GIT_CONF_SUBST. |
| AC_DEFUN([GIT_CONF_SUBST_INIT], |
| [config_appended_defs=; newline=' |
| ' |
| AC_CONFIG_COMMANDS([$config_file], |
| [echo "$config_appended_defs" >> "$config_file"], |
| [config_file=$config_file |
| config_appended_defs="$config_appended_defs"])]) |
| |
| # GIT_ARG_SET_PATH(PROGRAM) |
| # ------------------------- |
| # Provide --with-PROGRAM=PATH option to set PATH to PROGRAM |
| # Optional second argument allows setting NO_PROGRAM=YesPlease if |
| # --without-PROGRAM version used. |
| AC_DEFUN([GIT_ARG_SET_PATH], |
| [AC_ARG_WITH([$1], |
| [AS_HELP_STRING([--with-$1=PATH], |
| [provide PATH to $1])], |
| [GIT_CONF_APPEND_PATH([$1], [$2])], |
| [])]) |
| |
| # GIT_CONF_APPEND_PATH(PROGRAM) |
| # ----------------------------- |
| # Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH |
| # Used by GIT_ARG_SET_PATH(PROGRAM) |
| # Optional second argument allows setting NO_PROGRAM=YesPlease if |
| # --without-PROGRAM is used. |
| AC_DEFUN([GIT_CONF_APPEND_PATH], |
| [m4_pushdef([GIT_UC_PROGRAM], m4_toupper([$1]))dnl |
| if test "$withval" = "no"; then |
| if test -n "$2"; then |
| GIT_UC_PROGRAM[]_PATH=$withval |
| AC_MSG_NOTICE([Disabling use of GIT_UC_PROGRAM]) |
| GIT_CONF_SUBST([NO_]GIT_UC_PROGRAM, [YesPlease]) |
| GIT_CONF_SUBST(GIT_UC_PROGRAM[]_PATH, []) |
| else |
| AC_MSG_ERROR([You cannot use git without $1]) |
| fi |
| else |
| if test "$withval" = "yes"; then |
| AC_MSG_WARN([You should provide path for --with-$1=PATH]) |
| else |
| GIT_UC_PROGRAM[]_PATH=$withval |
| AC_MSG_NOTICE([Setting GIT_UC_PROGRAM[]_PATH to $withval]) |
| GIT_CONF_SUBST(GIT_UC_PROGRAM[]_PATH, [$withval]) |
| fi |
| fi |
| m4_popdef([GIT_UC_PROGRAM])]) |
| |
| # GIT_PARSE_WITH(PACKAGE) |
| # ----------------------- |
| # For use in AC_ARG_WITH action-if-found, for packages default ON. |
| # * Set NO_PACKAGE=YesPlease for --without-PACKAGE |
| # * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH |
| # * Unset NO_PACKAGE for --with-PACKAGE without ARG |
| AC_DEFUN([GIT_PARSE_WITH], |
| [m4_pushdef([GIT_UC_PACKAGE], m4_toupper([$1]))dnl |
| if test "$withval" = "no"; then |
| NO_[]GIT_UC_PACKAGE=YesPlease |
| elif test "$withval" = "yes"; then |
| NO_[]GIT_UC_PACKAGE= |
| else |
| NO_[]GIT_UC_PACKAGE= |
| GIT_UC_PACKAGE[]DIR=$withval |
| AC_MSG_NOTICE([Setting GIT_UC_PACKAGE[]DIR to $withval]) |
| GIT_CONF_SUBST(GIT_UC_PACKAGE[DIR], [$withval]) |
| fi |
| m4_popdef([GIT_UC_PACKAGE])]) |
| |
| # GIT_PARSE_WITH_SET_MAKE_VAR(WITHNAME, VAR, HELP_TEXT) |
| # ----------------------------------------------------- |
| # Set VAR to the value specified by --with-WITHNAME. |
| # No verification of arguments is performed, but warnings are issued |
| # if either 'yes' or 'no' is specified. |
| # HELP_TEXT is presented when --help is called. |
| # This is a direct way to allow setting variables in the Makefile. |
| AC_DEFUN([GIT_PARSE_WITH_SET_MAKE_VAR], |
| [AC_ARG_WITH([$1], |
| [AS_HELP_STRING([--with-$1=VALUE], $3)], |
| if test -n "$withval"; then |
| if test "$withval" = "yes" -o "$withval" = "no"; then |
| AC_MSG_WARN([You likely do not want either 'yes' or 'no' as] |
| [a value for $1 ($2). Maybe you do...?]) |
| fi |
| AC_MSG_NOTICE([Setting $2 to $withval]) |
| GIT_CONF_SUBST([$2], [$withval]) |
| fi)])# GIT_PARSE_WITH_SET_MAKE_VAR |
| |
| # |
| # GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE) |
| # ----------------------------------------- |
| # Similar to AC_CHECK_FUNC, but on systems that do not generate |
| # warnings for missing prototypes (e.g. FreeBSD when compiling without |
| # -Wall), it does not work. By looking for function definition in |
| # libraries, this problem can be worked around. |
| AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[ |
| AC_SEARCH_LIBS([$1],, |
| [$2],[$3]) |
| ],[$3])]) |
| |
| # |
| # GIT_STASH_FLAGS(BASEPATH_VAR) |
| # ----------------------------- |
| # Allow for easy stashing of LDFLAGS and CPPFLAGS before running |
| # tests that may want to take user settings into account. |
| AC_DEFUN([GIT_STASH_FLAGS],[ |
| if test -n "$1"; then |
| old_CPPFLAGS="$CPPFLAGS" |
| old_LDFLAGS="$LDFLAGS" |
| CPPFLAGS="-I$1/include $CPPFLAGS" |
| LDFLAGS="-L$1/$lib $LDFLAGS" |
| fi |
| ]) |
| |
| dnl |
| dnl GIT_UNSTASH_FLAGS(BASEPATH_VAR) |
| dnl ----------------------------- |
| dnl Restore the stashed *FLAGS values. |
| AC_DEFUN([GIT_UNSTASH_FLAGS],[ |
| if test -n "$1"; then |
| CPPFLAGS="$old_CPPFLAGS" |
| LDFLAGS="$old_LDFLAGS" |
| fi |
| ]) |
| |
| ## Configure body starts here. |
| |
| AC_PREREQ(2.59) |
| AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org]) |
| |
| AC_CONFIG_SRCDIR([git.c]) |
| |
| config_file=config.mak.autogen |
| config_in=config.mak.in |
| |
| GIT_CONF_SUBST([AUTOCONFIGURED], [YesPlease]) |
| |
| # Directories holding "saner" versions of common or POSIX binaries. |
| AC_ARG_WITH([sane-tool-path], |
| [AS_HELP_STRING( |
| [--with-sane-tool-path=DIR-1[[:DIR-2...:DIR-n]]], |
| [Directories to prepend to PATH in build system and generated scripts])], |
| [if test "$withval" = "no"; then |
| withval='' |
| else |
| AC_MSG_NOTICE([Setting SANE_TOOL_PATH to '$withval']) |
| fi |
| GIT_CONF_SUBST([SANE_TOOL_PATH], [$withval])], |
| [# If the "--with-sane-tool-path" option was not given, don't touch |
| # SANE_TOOL_PATH here, but let defaults in Makefile take care of it. |
| # This should minimize spurious differences in the behaviour of the |
| # Git build system when configure is used w.r.t. when it is not. |
| :]) |
| |
| ## Site configuration related to programs (before tests) |
| ## --with-PACKAGE[=ARG] and --without-PACKAGE |
| # |
| # Set lib to alternative name of lib directory (e.g. lib64) |
| AC_ARG_WITH([lib], |
| [AS_HELP_STRING([--with-lib=ARG], |
| [ARG specifies alternative name for lib directory])], |
| [if test "$withval" = "no" || test "$withval" = "yes"; then |
| AC_MSG_WARN([You should provide name for --with-lib=ARG]) |
| else |
| lib=$withval |
| AC_MSG_NOTICE([Setting lib to '$lib']) |
| GIT_CONF_SUBST([lib]) |
| fi]) |
| |
| if test -z "$lib"; then |
| AC_MSG_NOTICE([Setting lib to 'lib' (the default)]) |
| lib=lib |
| fi |
| |
| AC_ARG_ENABLE([pthreads], |
| [AS_HELP_STRING([--enable-pthreads=FLAGS], |
| [FLAGS is the value to pass to the compiler to enable POSIX Threads.] |
| [The default if FLAGS is not specified is to try first -pthread] |
| [and then -lpthread.] |
| [--disable-pthreads will disable threading.])], |
| [ |
| if test "x$enableval" = "xyes"; then |
| AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads]) |
| elif test "x$enableval" != "xno"; then |
| PTHREAD_CFLAGS=$enableval |
| AC_MSG_NOTICE([Setting '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads]) |
| else |
| AC_MSG_NOTICE([POSIX Threads will be disabled.]) |
| NO_PTHREADS=YesPlease |
| USER_NOPTHREAD=1 |
| fi], |
| [ |
| AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads.]) |
| ]) |
| |
| # Define option to enable JavaScript minification |
| AC_ARG_ENABLE([jsmin], |
| [AS_HELP_STRING([--enable-jsmin=PATH], |
| [PATH is the name of a JavaScript minifier or the absolute path to one.])], |
| [ |
| JSMIN=$enableval; |
| AC_MSG_NOTICE([Setting JSMIN to '$JSMIN' to enable JavaScript minifying]) |
| GIT_CONF_SUBST([JSMIN]) |
| ]) |
| |
| # Define option to enable CSS minification |
| AC_ARG_ENABLE([cssmin], |
| [AS_HELP_STRING([--enable-cssmin=PATH], |
| [PATH is the name of a CSS minifier or the absolute path to one.])], |
| [ |
| CSSMIN=$enableval; |
| AC_MSG_NOTICE([Setting CSSMIN to '$CSSMIN' to enable CSS minifying]) |
| GIT_CONF_SUBST([CSSMIN]) |
| ]) |
| |
| ## Site configuration (override autodetection) |
| ## --with-PACKAGE[=ARG] and --without-PACKAGE |
| AC_MSG_NOTICE([CHECKS for site configuration]) |
| # |
| # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability |
| # tests. These tests take up a significant amount of the total test time |
| # but are not needed unless you plan to talk to SVN repos. |
| # |
| # Define NO_OPENSSL environment variable if you do not have OpenSSL. |
| # |
| # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in |
| # /foo/bar/include and /foo/bar/lib directories. |
| AC_ARG_WITH(openssl, |
| AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) |
| AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]), |
| GIT_PARSE_WITH([openssl])) |
| |
| # Define USE_LIBPCRE if you have and want to use libpcre. Various |
| # commands such as log and grep offer runtime options to use |
| # Perl-compatible regular expressions instead of standard or extended |
| # POSIX regular expressions. Only libpcre version 2 is supported. |
| # |
| # Define LIBPCREDIR=/foo/bar if your PCRE header and library files are in |
| # /foo/bar/include and /foo/bar/lib directories. |
| # |
| |
| AC_ARG_WITH(libpcre1, |
| AS_HELP_STRING([--with-libpcre1],[DEPRECATED]), |
| AC_MSG_ERROR([support for --with-libpcre1 has been removed. Use --with-libpcre2!]) |
| ) |
| |
| AC_ARG_WITH(libpcre, |
| AS_HELP_STRING([--with-libpcre],[synonym for --with-libpcre2]), |
| if test "$withval" = "no"; then |
| USE_LIBPCRE2= |
| elif test "$withval" = "yes"; then |
| USE_LIBPCRE2=YesPlease |
| else |
| USE_LIBPCRE2=YesPlease |
| LIBPCREDIR=$withval |
| AC_MSG_NOTICE([Setting LIBPCREDIR to $LIBPCREDIR]) |
| dnl USE_LIBPCRE2 can still be modified below, so don't substitute |
| dnl it yet. |
| GIT_CONF_SUBST([LIBPCREDIR]) |
| fi) |
| |
| AC_ARG_WITH(libpcre2, |
| AS_HELP_STRING([--with-libpcre2],[support Perl-compatible regexes via libpcre2 (default is NO)]) |
| AS_HELP_STRING([], [ARG can be also prefix for libpcre library and headers]), |
| if test -n "$USE_LIBPCRE2"; then |
| AC_MSG_ERROR([Only supply one of --with-libpcre or its synonym --with-libpcre2!]) |
| fi |
| |
| if test "$withval" = "no"; then |
| USE_LIBPCRE2= |
| elif test "$withval" = "yes"; then |
| USE_LIBPCRE2=YesPlease |
| else |
| USE_LIBPCRE2=YesPlease |
| LIBPCREDIR=$withval |
| AC_MSG_NOTICE([Setting LIBPCREDIR to $LIBPCREDIR]) |
| dnl USE_LIBPCRE2 can still be modified below, so don't substitute |
| dnl it yet. |
| GIT_CONF_SUBST([LIBPCREDIR]) |
| fi) |
| # |
| # Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header. |
| AC_FUNC_ALLOCA |
| case $ac_cv_working_alloca_h in |
| yes) HAVE_ALLOCA_H=YesPlease;; |
| *) HAVE_ALLOCA_H='';; |
| esac |
| GIT_CONF_SUBST([HAVE_ALLOCA_H]) |
| # |
| # Define NO_CURL if you do not have curl installed. git-http-pull and |
| # git-http-push are not built, and you cannot use http:// and https:// |
| # transports. |
| # |
| # Define CURLDIR=/foo/bar if your curl header and library files are in |
| # /foo/bar/include and /foo/bar/lib directories. |
| AC_ARG_WITH(curl, |
| AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) |
| AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), |
| GIT_PARSE_WITH(curl)) |
| # |
| # Define NO_EXPAT if you do not have expat installed. git-http-push is |
| # not built, and you cannot push using http:// and https:// transports. |
| # |
| # Define EXPATDIR=/foo/bar if your expat header and library files are in |
| # /foo/bar/include and /foo/bar/lib directories. |
| AC_ARG_WITH(expat, |
| AS_HELP_STRING([--with-expat], |
| [support git-push using http:// and https:// transports via WebDAV (default is YES)]) |
| AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), |
| GIT_PARSE_WITH(expat)) |
| # |
| # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink |
| # installed in /sw, but don't want GIT to link against any libraries |
| # installed there. If defined you may specify your own (or Fink's) |
| # include directories and library directories by defining CFLAGS |
| # and LDFLAGS appropriately. |
| # |
| # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, |
| # have DarwinPorts installed in /opt/local, but don't want GIT to |
| # link against any libraries installed there. If defined you may |
| # specify your own (or DarwinPort's) include directories and |
| # library directories by defining CFLAGS and LDFLAGS appropriately. |
| # |
| # Define NO_MMAP if you want to avoid mmap. |
| # |
| # Define NO_ICONV if your libc does not properly support iconv. |
| AC_ARG_WITH(iconv, |
| AS_HELP_STRING([--without-iconv], |
| [if your architecture doesn't properly support iconv]) |
| AS_HELP_STRING([--with-iconv=PATH], |
| [PATH is prefix for libiconv library and headers]) |
| AS_HELP_STRING([], |
| [used only if you need linking with libiconv]), |
| GIT_PARSE_WITH(iconv)) |
| |
| ## --enable-FEATURE[=ARG] and --disable-FEATURE |
| # |
| # Define USE_NSEC below if you want git to care about sub-second file mtimes |
| # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and |
| # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely |
| # randomly break unless your underlying filesystem supports those sub-second |
| # times (my ext3 doesn't). |
| # |
| # Define USE_STDEV below if you want git to care about the underlying device |
| # change being considered an inode change from the update-index perspective. |
| |
| # |
| # Allow user to set ETC_GITCONFIG variable |
| GIT_PARSE_WITH_SET_MAKE_VAR(gitconfig, ETC_GITCONFIG, |
| Use VALUE instead of /etc/gitconfig as the |
| global git configuration file. |
| If VALUE is not fully qualified it will be interpreted |
| as a path relative to the computed prefix at runtime.) |
| |
| # |
| # Allow user to set ETC_GITATTRIBUTES variable |
| GIT_PARSE_WITH_SET_MAKE_VAR(gitattributes, ETC_GITATTRIBUTES, |
| Use VALUE instead of /etc/gitattributes as the |
| global git attributes file. |
| If VALUE is not fully qualified it will be interpreted |
| as a path relative to the computed prefix at runtime.) |
| |
| # |
| # Allow user to set the default pager |
| GIT_PARSE_WITH_SET_MAKE_VAR(pager, DEFAULT_PAGER, |
| Use VALUE as the fall-back pager instead of 'less'. |
| This is used by things like 'git log' when the user |
| does not specify a pager to use through alternate |
| methods. eg: /usr/bin/pager) |
| # |
| # Allow user to set the default editor |
| GIT_PARSE_WITH_SET_MAKE_VAR(editor, DEFAULT_EDITOR, |
| Use VALUE as the fall-back editor instead of 'vi'. |
| This is used by things like 'git commit' when the user |
| does not specify a preferred editor through other |
| methods. eg: /usr/bin/editor) |
| |
| # |
| # Define SHELL_PATH to provide path to shell. |
| GIT_ARG_SET_PATH(shell) |
| # |
| # Define PERL_PATH to provide path to Perl. |
| GIT_ARG_SET_PATH(perl) |
| # |
| # Define PYTHON_PATH to provide path to Python. |
| GIT_ARG_SET_PATH(python, allow-without) |
| # |
| # Define ZLIB_PATH to provide path to zlib. |
| GIT_ARG_SET_PATH(zlib) |
| # |
| # Declare the with-tcltk/without-tcltk options. |
| AC_ARG_WITH(tcltk, |
| AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)]) |
| AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.]) |
| AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if]) |
| AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]), |
| GIT_PARSE_WITH(tcltk)) |
| # |
| |
| |
| ## Checks for programs. |
| AC_MSG_NOTICE([CHECKS for programs]) |
| # |
| AC_PROG_CC([cc gcc]) |
| AC_C_INLINE |
| case $ac_cv_c_inline in |
| inline | yes | no) INLINE='';; |
| *) INLINE=$ac_cv_c_inline ;; |
| esac |
| GIT_CONF_SUBST([INLINE]) |
| |
| # which switch to pass runtime path to dynamic libraries to the linker |
| AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [ |
| SAVE_LDFLAGS="${LDFLAGS}" |
| LDFLAGS="${SAVE_LDFLAGS} -R /" |
| AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no]) |
| LDFLAGS="${SAVE_LDFLAGS}" |
| ]) |
| if test "$git_cv_ld_dashr" = "yes"; then |
| CC_LD_DYNPATH=-R |
| else |
| AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [ |
| SAVE_LDFLAGS="${LDFLAGS}" |
| LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/" |
| AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no]) |
| LDFLAGS="${SAVE_LDFLAGS}" |
| ]) |
| if test "$git_cv_ld_wl_rpath" = "yes"; then |
| CC_LD_DYNPATH=-Wl,-rpath, |
| else |
| AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [ |
| SAVE_LDFLAGS="${LDFLAGS}" |
| LDFLAGS="${SAVE_LDFLAGS} -rpath /" |
| AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no]) |
| LDFLAGS="${SAVE_LDFLAGS}" |
| ]) |
| if test "$git_cv_ld_rpath" = "yes"; then |
| CC_LD_DYNPATH=-rpath |
| else |
| AC_CACHE_CHECK([if linker supports -Wl,+b,], git_cv_ld_wl_b, [ |
| SAVE_LDFLAGS="${LDFLAGS}" |
| LDFLAGS="${SAVE_LDFLAGS} -Wl,+b,/" |
| AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_b=yes], [git_cv_ld_wl_b=no]) |
| LDFLAGS="${SAVE_LDFLAGS}" |
| ]) |
| if test "$git_cv_ld_wl_b" = "yes"; then |
| CC_LD_DYNPATH=-Wl,+b, |
| else |
| CC_LD_DYNPATH= |
| AC_MSG_WARN([linker does not support runtime path to dynamic libraries]) |
| fi |
| fi |
| fi |
| fi |
| GIT_CONF_SUBST([CC_LD_DYNPATH]) |
| #AC_PROG_INSTALL # needs install-sh or install.sh in sources |
| AC_CHECK_TOOLS(AR, [gar ar], :) |
| AC_CHECK_PROGS(TAR, [gtar tar]) |
| AC_CHECK_PROGS(DIFF, [gnudiff gdiff diff]) |
| # TCLTK_PATH will be set to some value if we want Tcl/Tk |
| # or will be empty otherwise. |
| if test -n "$NO_TCLTK"; then |
| TCLTK_PATH= |
| else |
| if test "$with_tcltk" = ""; then |
| # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'. |
| TCLTK_PATH=wish |
| elif test "$with_tcltk" = "yes"; then |
| # Tcl/Tk check requested. |
| AC_CHECK_PROGS(TCLTK_PATH, [wish], ) |
| else |
| AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk]) |
| TCLTK_PATH="$with_tcltk" |
| fi |
| fi |
| GIT_CONF_SUBST([TCLTK_PATH]) |
| AC_CHECK_PROGS(ASCIIDOC, [asciidoc]) |
| if test -n "$ASCIIDOC"; then |
| AC_MSG_CHECKING([for asciidoc version]) |
| asciidoc_version=`$ASCIIDOC --version 2>/dev/null` |
| case "${asciidoc_version}" in |
| asciidoc' '8*) |
| AC_MSG_RESULT([${asciidoc_version}]) |
| ;; |
| *) |
| AC_MSG_RESULT([${asciidoc_version} (unknown)]) |
| ;; |
| esac |
| fi |
| |
| ## Checks for libraries. |
| AC_MSG_NOTICE([CHECKS for libraries]) |
| # |
| # Define NO_OPENSSL environment variable if you do not have OpenSSL. |
| # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). |
| |
| GIT_STASH_FLAGS($OPENSSLDIR) |
| |
| AC_CHECK_LIB([crypto], [SHA1_Init], |
| [NEEDS_SSL_WITH_CRYPTO=], |
| [AC_CHECK_LIB([ssl], [SHA1_Init], |
| [NEEDS_SSL_WITH_CRYPTO=YesPlease NO_OPENSSL=], |
| [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])]) |
| |
| GIT_UNSTASH_FLAGS($OPENSSLDIR) |
| |
| GIT_CONF_SUBST([NEEDS_SSL_WITH_CRYPTO]) |
| GIT_CONF_SUBST([NO_OPENSSL]) |
| |
| # |
| # Handle the USE_LIBPCRE options potentially set above. |
| # |
| |
| if test -n "$USE_LIBPCRE2"; then |
| |
| GIT_STASH_FLAGS($LIBPCREDIR) |
| |
| AC_CHECK_LIB([pcre2-8], [pcre2_config_8], |
| [USE_LIBPCRE2=YesPlease], |
| [USE_LIBPCRE2=]) |
| |
| GIT_UNSTASH_FLAGS($LIBPCREDIR) |
| |
| GIT_CONF_SUBST([USE_LIBPCRE2]) |
| |
| fi |
| |
| # |
| # Define NO_CURL if you do not have libcurl installed. git-http-pull and |
| # git-http-push are not built, and you cannot use http:// and https:// |
| # transports. |
| |
| GIT_STASH_FLAGS($CURLDIR) |
| |
| AC_CHECK_LIB([curl], [curl_global_init], |
| [NO_CURL=], |
| [NO_CURL=YesPlease]) |
| |
| GIT_UNSTASH_FLAGS($CURLDIR) |
| |
| GIT_CONF_SUBST([NO_CURL]) |
| |
| if test -z "$NO_CURL"; then |
| |
| AC_CHECK_PROG([CURL_CONFIG], [curl-config], |
| [curl-config], |
| [no]) |
| |
| if test $CURL_CONFIG != no; then |
| GIT_CONF_SUBST([CURL_CONFIG]) |
| |
| if test -z "$CURL_CONFIG_OPTS"; then |
| CURL_CONFIG_OPTS="--libs" |
| fi |
| |
| CURL_LDFLAGS=$($CURL_CONFIG $CURL_CONFIG_OPTS) |
| AC_MSG_NOTICE([Setting CURL_LDFLAGS to '$CURL_LDFLAGS']) |
| GIT_CONF_SUBST([CURL_LDFLAGS], [$CURL_LDFLAGS]) |
| fi |
| |
| fi |
| |
| |
| # |
| # Define NO_EXPAT if you do not have expat installed. git-http-push is |
| # not built, and you cannot push using http:// and https:// transports. |
| |
| GIT_STASH_FLAGS($EXPATDIR) |
| |
| AC_CHECK_LIB([expat], [XML_ParserCreate], |
| [NO_EXPAT=], |
| [NO_EXPAT=YesPlease]) |
| |
| GIT_UNSTASH_FLAGS($EXPATDIR) |
| |
| GIT_CONF_SUBST([NO_EXPAT]) |
| |
| # |
| # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and |
| # some Solaris installations). |
| # Define NO_ICONV if neither libc nor libiconv support iconv. |
| |
| if test -z "$NO_ICONV"; then |
| |
| GIT_STASH_FLAGS($ICONVDIR) |
| |
| AC_DEFUN([ICONVTEST_SRC], |
| [AC_LANG_PROGRAM([#include <iconv.h>], |
| [iconv_open("", "");])]) |
| |
| if test -n "$ICONVDIR"; then |
| lib_order="-liconv -lc" |
| else |
| lib_order="-lc -liconv" |
| fi |
| |
| NO_ICONV=YesPlease |
| |
| for l in $lib_order; do |
| if test "$l" = "-liconv"; then |
| NEEDS_LIBICONV=YesPlease |
| else |
| NEEDS_LIBICONV= |
| fi |
| |
| old_LIBS="$LIBS" |
| LIBS="$LIBS $l" |
| AC_MSG_CHECKING([for iconv in $l]) |
| AC_LINK_IFELSE([ICONVTEST_SRC], |
| [AC_MSG_RESULT([yes]) |
| NO_ICONV= |
| break], |
| [AC_MSG_RESULT([no])]) |
| LIBS="$old_LIBS" |
| done |
| |
| #in case of break |
| LIBS="$old_LIBS" |
| |
| GIT_UNSTASH_FLAGS($ICONVDIR) |
| |
| GIT_CONF_SUBST([NEEDS_LIBICONV]) |
| GIT_CONF_SUBST([NO_ICONV]) |
| |
| if test -n "$NO_ICONV"; then |
| NEEDS_LIBICONV= |
| fi |
| |
| fi |
| |
| # |
| # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib. |
| |
| GIT_STASH_FLAGS($ZLIB_PATH) |
| |
| AC_DEFUN([ZLIBTEST_SRC], [ |
| AC_LANG_PROGRAM([#include <zlib.h>], |
| [deflateBound(0, 0);])]) |
| AC_MSG_CHECKING([for deflateBound in -lz]) |
| old_LIBS="$LIBS" |
| LIBS="$LIBS -lz" |
| AC_LINK_IFELSE([ZLIBTEST_SRC], |
| [AC_MSG_RESULT([yes])], |
| [AC_MSG_RESULT([no]) |
| NO_DEFLATE_BOUND=yes]) |
| LIBS="$old_LIBS" |
| |
| GIT_UNSTASH_FLAGS($ZLIB_PATH) |
| |
| GIT_CONF_SUBST([NO_DEFLATE_BOUND]) |
| |
| # |
| # Define NEEDS_SOCKET if linking with libc is not enough (SunOS, |
| # Patrick Mauritz). |
| AC_CHECK_LIB([c], [socket], |
| [NEEDS_SOCKET=], |
| [NEEDS_SOCKET=YesPlease]) |
| GIT_CONF_SUBST([NEEDS_SOCKET]) |
| test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" |
| |
| # |
| # The next few tests will define NEEDS_RESOLV if linking with |
| # libresolv provides some of the functions we would normally get |
| # from libc. |
| NEEDS_RESOLV= |
| # |
| # Define NO_INET_NTOP if linking with -lresolv is not enough. |
| # Solaris 2.7 in particular hos inet_ntop in -lresolv. |
| NO_INET_NTOP= |
| AC_CHECK_FUNC([inet_ntop], |
| [], |
| [AC_CHECK_LIB([resolv], [inet_ntop], |
| [NEEDS_RESOLV=YesPlease], |
| [NO_INET_NTOP=YesPlease]) |
| ]) |
| GIT_CONF_SUBST([NO_INET_NTOP]) |
| # |
| # Define NO_INET_PTON if linking with -lresolv is not enough. |
| # Solaris 2.7 in particular hos inet_pton in -lresolv. |
| NO_INET_PTON= |
| AC_CHECK_FUNC([inet_pton], |
| [], |
| [AC_CHECK_LIB([resolv], [inet_pton], |
| [NEEDS_RESOLV=YesPlease], |
| [NO_INET_PTON=YesPlease]) |
| ]) |
| GIT_CONF_SUBST([NO_INET_PTON]) |
| # |
| # Define NO_HSTRERROR if linking with -lresolv is not enough. |
| # Solaris 2.6 in particular has no hstrerror, even in -lresolv. |
| NO_HSTRERROR= |
| AC_CHECK_FUNC([hstrerror], |
| [], |
| [AC_CHECK_LIB([resolv], [hstrerror], |
| [NEEDS_RESOLV=YesPlease], |
| [NO_HSTRERROR=YesPlease]) |
| ]) |
| GIT_CONF_SUBST([NO_HSTRERROR]) |
| |
| dnl This must go after all the possible places for its initialization, |
| dnl in the AC_CHECK_FUNC invocations above. |
| GIT_CONF_SUBST([NEEDS_RESOLV]) |
| # |
| # If any of the above tests determined that -lresolv is needed at |
| # build-time, also set it here for remaining configure-time checks. |
| test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv" |
| |
| AC_CHECK_LIB([c], [basename], |
| [NEEDS_LIBGEN=], |
| [NEEDS_LIBGEN=YesPlease]) |
| GIT_CONF_SUBST([NEEDS_LIBGEN]) |
| test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen" |
| |
| AC_DEFUN([LIBINTL_SRC], [ |
| AC_LANG_PROGRAM([[ |
| #include <libintl.h> |
| ]],[[ |
| char *msg = gettext("test"); |
| ]])]) |
| |
| AC_MSG_CHECKING([if libc contains libintl]) |
| AC_LINK_IFELSE([LIBINTL_SRC], |
| [AC_MSG_RESULT([yes]) |
| LIBC_CONTAINS_LIBINTL=YesPlease], |
| [AC_MSG_RESULT([no]) |
| LIBC_CONTAINS_LIBINTL=]) |
| GIT_CONF_SUBST([LIBC_CONTAINS_LIBINTL]) |
| |
| # |
| # Define NO_GETTEXT if you don't want Git output to be translated. |
| # A translated Git requires GNU libintl or another gettext implementation |
| AC_CHECK_HEADER([libintl.h], |
| [NO_GETTEXT=], |
| [NO_GETTEXT=YesPlease]) |
| GIT_CONF_SUBST([NO_GETTEXT]) |
| |
| if test -z "$NO_GETTEXT"; then |
| test -n "$LIBC_CONTAINS_LIBINTL" || LIBS="$LIBS -lintl" |
| fi |
| |
| ## Checks for header files. |
| AC_MSG_NOTICE([CHECKS for header files]) |
| # |
| # Define NO_SYS_SELECT_H if you don't have sys/select.h. |
| AC_CHECK_HEADER([sys/select.h], |
| [NO_SYS_SELECT_H=], |
| [NO_SYS_SELECT_H=UnfortunatelyYes]) |
| GIT_CONF_SUBST([NO_SYS_SELECT_H]) |
| # |
| # Define NO_POLL_H if you don't have poll.h |
| AC_CHECK_HEADER([poll.h], |
| [NO_POLL_H=], |
| [NO_POLL_H=UnfortunatelyYes]) |
| GIT_CONF_SUBST([NO_POLL_H]) |
| # |
| # Define NO_SYS_POLL_H if you don't have sys/poll.h |
| AC_CHECK_HEADER([sys/poll.h], |
| [NO_SYS_POLL_H=], |
| [NO_SYS_POLL_H=UnfortunatelyYes]) |
| GIT_CONF_SUBST([NO_SYS_POLL_H]) |
| # |
| # Define NO_INTTYPES_H if you don't have inttypes.h |
| AC_CHECK_HEADER([inttypes.h], |
| [NO_INTTYPES_H=], |
| [NO_INTTYPES_H=UnfortunatelyYes]) |
| GIT_CONF_SUBST([NO_INTTYPES_H]) |
| # |
| # Define OLD_ICONV if your library has an old iconv(), where the second |
| # (input buffer pointer) parameter is declared with type (const char **). |
| AC_DEFUN([OLDICONVTEST_SRC], [ |
| AC_LANG_PROGRAM([[ |
| #include <iconv.h> |
| |
| extern size_t iconv(iconv_t cd, |
| char **inbuf, size_t *inbytesleft, |
| char **outbuf, size_t *outbytesleft); |
| ]], [])]) |
| |
| GIT_STASH_FLAGS($ICONVDIR) |
| |
| AC_MSG_CHECKING([for old iconv()]) |
| AC_COMPILE_IFELSE([OLDICONVTEST_SRC], |
| [AC_MSG_RESULT([no])], |
| [AC_MSG_RESULT([yes]) |
| AC_DEFINE(HAVE_OLD_ICONV, 1) |
| OLD_ICONV=UnfortunatelyYes]) |
| |
| GIT_UNSTASH_FLAGS($ICONVDIR) |
| |
| GIT_CONF_SUBST([OLD_ICONV]) |
| |
| # |
| # Define ICONV_OMITS_BOM if you are on a system which |
| # iconv omits bom for utf-{16,32} |
| if test -z "$NO_ICONV"; then |
| AC_CACHE_CHECK([whether iconv omits bom for utf-16 and utf-32], |
| [ac_cv_iconv_omits_bom], |
| [ |
| old_LIBS="$LIBS" |
| if test -n "$NEEDS_LIBICONV"; then |
| LIBS="$LIBS -liconv" |
| fi |
| |
| AC_RUN_IFELSE( |
| [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT |
| #include <iconv.h> |
| #ifdef HAVE_OLD_ICONV |
| typedef const char *iconv_ibp; |
| #else |
| typedef char *iconv_ibp; |
| #endif |
| ], |
| [[ |
| int v; |
| iconv_t conv; |
| char in[] = "a"; iconv_ibp pin = in; |
| char out[20] = ""; char *pout = out; |
| size_t isz = sizeof in; |
| size_t osz = sizeof out; |
| |
| conv = iconv_open("UTF-16", "UTF-8"); |
| iconv(conv, &pin, &isz, &pout, &osz); |
| iconv_close(conv); |
| v = (unsigned char)(out[0]) + (unsigned char)(out[1]); |
| return v != 0xfe + 0xff; |
| ]])], |
| [ac_cv_iconv_omits_bom=no], |
| [ac_cv_iconv_omits_bom=yes]) |
| |
| LIBS="$old_LIBS" |
| ]) |
| if test "x$ac_cv_iconv_omits_bom" = xyes; then |
| ICONV_OMITS_BOM=Yes |
| else |
| ICONV_OMITS_BOM= |
| fi |
| GIT_CONF_SUBST([ICONV_OMITS_BOM]) |
| fi |
| |
| ## Checks for typedefs, structures, and compiler characteristics. |
| AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) |
| # |
| TYPE_SOCKLEN_T |
| case $ac_cv_type_socklen_t in |
| yes) SOCKLEN_T='';; |
| *) SOCKLEN_T=$git_cv_socklen_t_equiv;; |
| esac |
| GIT_CONF_SUBST([SOCKLEN_T]) |
| |
| # |
| # Define NO_STRUCT_ITIMERVAL if you don't have struct itimerval. |
| AC_CHECK_TYPES([struct itimerval], |
| [NO_STRUCT_ITIMERVAL=], |
| [NO_STRUCT_ITIMERVAL=UnfortunatelyYes], |
| [#include <sys/time.h>]) |
| GIT_CONF_SUBST([NO_STRUCT_ITIMERVAL]) |
| # |
| # Define USE_ST_TIMESPEC=YesPlease when stat.st_mtimespec.tv_nsec exists. |
| # Define NO_NSEC=YesPlease when neither stat.st_mtim.tv_nsec nor |
| # stat.st_mtimespec.tv_nsec exists. |
| AC_CHECK_MEMBER([struct stat.st_mtimespec.tv_nsec]) |
| AC_CHECK_MEMBER([struct stat.st_mtim.tv_nsec]) |
| if test x$ac_cv_member_struct_stat_st_mtimespec_tv_nsec = xyes; then |
| USE_ST_TIMESPEC=YesPlease |
| GIT_CONF_SUBST([USE_ST_TIMESPEC]) |
| elif test x$ac_cv_member_struct_stat_st_mtim_tv_nsec != xyes; then |
| NO_NSEC=YesPlease |
| GIT_CONF_SUBST([NO_NSEC]) |
| fi |
| # |
| # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks |
| # d_type in struct dirent (latest Cygwin -- will be fixed soonish). |
| AC_CHECK_MEMBER(struct dirent.d_type, |
| [NO_D_TYPE_IN_DIRENT=], |
| [NO_D_TYPE_IN_DIRENT=YesPlease], |
| [#include <dirent.h>]) |
| GIT_CONF_SUBST([NO_D_TYPE_IN_DIRENT]) |
| # |
| # Define NO_GECOS_IN_PWENT if you don't have pw_gecos in struct passwd |
| # in the C library. |
| AC_CHECK_MEMBER(struct passwd.pw_gecos, |
| [NO_GECOS_IN_PWENT=], |
| [NO_GECOS_IN_PWENT=YesPlease], |
| [#include <pwd.h>]) |
| GIT_CONF_SUBST([NO_GECOS_IN_PWENT]) |
| # |
| # Define NO_SOCKADDR_STORAGE if your platform does not have struct |
| # sockaddr_storage. |
| AC_CHECK_TYPE(struct sockaddr_storage, |
| [NO_SOCKADDR_STORAGE=], |
| [NO_SOCKADDR_STORAGE=YesPlease],[ |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| ]) |
| GIT_CONF_SUBST([NO_SOCKADDR_STORAGE]) |
| # |
| # Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). |
| AC_CHECK_TYPE([struct addrinfo],[ |
| GIT_CHECK_FUNC([getaddrinfo], |
| [NO_IPV6=], |
| [NO_IPV6=YesPlease]) |
| ],[NO_IPV6=YesPlease],[ |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| #include <netdb.h> |
| ]) |
| GIT_CONF_SUBST([NO_IPV6]) |
| # |
| # Define NO_REGEX if your C library lacks regex support with REG_STARTEND |
| # feature. |
| AC_CACHE_CHECK([whether the platform regex supports REG_STARTEND], |
| [ac_cv_c_regex_with_reg_startend], [ |
| AC_EGREP_CPP(yippeeyeswehaveit, |
| AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT |
| #include <regex.h> |
| ], |
| [#ifdef REG_STARTEND |
| yippeeyeswehaveit |
| #endif |
| ]), |
| [ac_cv_c_regex_with_reg_startend=yes], |
| [ac_cv_c_regex_with_reg_startend=no]) |
| ]) |
| if test $ac_cv_c_regex_with_reg_startend = yes; then |
| NO_REGEX= |
| else |
| NO_REGEX=YesPlease |
| fi |
| GIT_CONF_SUBST([NO_REGEX]) |
| # |
| # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds |
| # when attempting to read from an fopen'ed directory. |
| AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory], |
| [ac_cv_fread_reads_directories], |
| [ |
| AC_RUN_IFELSE( |
| [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], |
| [[ |
| FILE *f = fopen(".", "r"); |
| return f != NULL;]])], |
| [ac_cv_fread_reads_directories=no], |
| [ac_cv_fread_reads_directories=yes]) |
| ]) |
| if test $ac_cv_fread_reads_directories = yes; then |
| FREAD_READS_DIRECTORIES=UnfortunatelyYes |
| else |
| FREAD_READS_DIRECTORIES= |
| fi |
| GIT_CONF_SUBST([FREAD_READS_DIRECTORIES]) |
| # |
| # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf() |
| # or vsnprintf() return -1 instead of number of characters which would |
| # have been written to the final string if enough space had been available. |
| AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value], |
| [ac_cv_snprintf_returns_bogus], |
| [ |
| AC_RUN_IFELSE( |
| [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT |
| #include "stdarg.h" |
| |
| int test_vsnprintf(char *str, size_t maxsize, const char *format, ...) |
| { |
| int ret; |
| va_list ap; |
| va_start(ap, format); |
| ret = vsnprintf(str, maxsize, format, ap); |
| va_end(ap); |
| return ret; |
| }], |
| [[char buf[6]; |
| if (test_vsnprintf(buf, 3, "%s", "12345") != 5 |
| || strcmp(buf, "12")) return 1; |
| if (snprintf(buf, 3, "%s", "12345") != 5 |
| || strcmp(buf, "12")) return 1]])], |
| [ac_cv_snprintf_returns_bogus=no], |
| [ac_cv_snprintf_returns_bogus=yes]) |
| ]) |
| if test $ac_cv_snprintf_returns_bogus = yes; then |
| SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes |
| else |
| SNPRINTF_RETURNS_BOGUS= |
| fi |
| GIT_CONF_SUBST([SNPRINTF_RETURNS_BOGUS]) |
| # |
| # Define NEEDS_MODE_TRANSLATION if your OS strays from the typical file type |
| # bits in mode values. |
| AC_CACHE_CHECK([whether the platform uses typical file type bits], |
| [ac_cv_sane_mode_bits], [ |
| AC_EGREP_CPP(yippeeyeswehaveit, |
| AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], |
| [#if S_IFMT == 0170000 && \ |
| S_IFREG == 0100000 && S_IFDIR == 0040000 && S_IFLNK == 0120000 && \ |
| S_IFBLK == 0060000 && S_IFCHR == 0020000 && \ |
| S_IFIFO == 0010000 && S_IFSOCK == 0140000 |
| yippeeyeswehaveit |
| #endif |
| ]), |
| [ac_cv_sane_mode_bits=yes], |
| [ac_cv_sane_mode_bits=no]) |
| ]) |
| if test $ac_cv_sane_mode_bits = yes; then |
| NEEDS_MODE_TRANSLATION= |
| else |
| NEEDS_MODE_TRANSLATION=UnfortunatelyYes |
| fi |
| GIT_CONF_SUBST([NEEDS_MODE_TRANSLATION]) |
| |
| |
| ## Checks for library functions. |
| ## (in default C library and libraries checked by AC_CHECK_LIB) |
| AC_MSG_NOTICE([CHECKS for library functions]) |
| # |
| # Define NO_LIBGEN_H if you don't have libgen.h. |
| AC_CHECK_HEADER([libgen.h], |
| [NO_LIBGEN_H=], |
| [NO_LIBGEN_H=YesPlease]) |
| GIT_CONF_SUBST([NO_LIBGEN_H]) |
| # |
| # Define HAVE_PATHS_H if you have paths.h. |
| AC_CHECK_HEADER([paths.h], |
| [HAVE_PATHS_H=YesPlease], |
| [HAVE_PATHS_H=]) |
| GIT_CONF_SUBST([HAVE_PATHS_H]) |
| # |
| # Define HAVE_LIBCHARSET_H if have libcharset.h |
| AC_CHECK_HEADER([libcharset.h], |
| [HAVE_LIBCHARSET_H=YesPlease], |
| [HAVE_LIBCHARSET_H=]) |
| GIT_CONF_SUBST([HAVE_LIBCHARSET_H]) |
| # |
| # Define HAVE_STRINGS_H if you have strings.h |
| AC_CHECK_HEADER([strings.h], |
| [HAVE_STRINGS_H=YesPlease], |
| [HAVE_STRINGS_H=]) |
| GIT_CONF_SUBST([HAVE_STRINGS_H]) |
| # Define CHARSET_LIB if libiconv does not export the locale_charset symbol |
| # and libcharset does |
| CHARSET_LIB= |
| AC_CHECK_LIB([iconv], [locale_charset], |
| [CHARSET_LIB=-liconv], |
| [AC_CHECK_LIB([charset], [locale_charset], |
| [CHARSET_LIB=-lcharset])]) |
| GIT_CONF_SUBST([CHARSET_LIB]) |
| # |
| # Define HAVE_CLOCK_GETTIME=YesPlease if clock_gettime is available. |
| GIT_CHECK_FUNC(clock_gettime, |
| [HAVE_CLOCK_GETTIME=YesPlease], |
| [HAVE_CLOCK_GETTIME=]) |
| GIT_CONF_SUBST([HAVE_CLOCK_GETTIME]) |
| |
| AC_DEFUN([CLOCK_MONOTONIC_SRC], [ |
| AC_LANG_PROGRAM([[ |
| #include <time.h> |
| clockid_t id = CLOCK_MONOTONIC; |
| ]])]) |
| |
| # |
| # Define HAVE_CLOCK_MONOTONIC=YesPlease if CLOCK_MONOTONIC is available. |
| AC_MSG_CHECKING([for CLOCK_MONOTONIC]) |
| AC_COMPILE_IFELSE([CLOCK_MONOTONIC_SRC], |
| [AC_MSG_RESULT([yes]) |
| HAVE_CLOCK_MONOTONIC=YesPlease], |
| [AC_MSG_RESULT([no]) |
| HAVE_CLOCK_MONOTONIC=]) |
| GIT_CONF_SUBST([HAVE_CLOCK_MONOTONIC]) |
| |
| # |
| # Define HAVE_SYNC_FILE_RANGE=YesPlease if sync_file_range is available. |
| GIT_CHECK_FUNC(sync_file_range, |
| [HAVE_SYNC_FILE_RANGE=YesPlease], |
| [HAVE_SYNC_FILE_RANGE=]) |
| GIT_CONF_SUBST([HAVE_SYNC_FILE_RANGE]) |
| |
| # |
| # Define NO_SETITIMER if you don't have setitimer. |
| GIT_CHECK_FUNC(setitimer, |
| [NO_SETITIMER=], |
| [NO_SETITIMER=YesPlease]) |
| GIT_CONF_SUBST([NO_SETITIMER]) |
| # |
| # Define NO_STRCASESTR if you don't have strcasestr. |
| GIT_CHECK_FUNC(strcasestr, |
| [NO_STRCASESTR=], |
| [NO_STRCASESTR=YesPlease]) |
| GIT_CONF_SUBST([NO_STRCASESTR]) |
| # |
| # Define NO_MEMMEM if you don't have memmem. |
| GIT_CHECK_FUNC(memmem, |
| [NO_MEMMEM=], |
| [NO_MEMMEM=YesPlease]) |
| GIT_CONF_SUBST([NO_MEMMEM]) |
| # |
| # Define NO_STRLCPY if you don't have strlcpy. |
| GIT_CHECK_FUNC(strlcpy, |
| [NO_STRLCPY=], |
| [NO_STRLCPY=YesPlease]) |
| GIT_CONF_SUBST([NO_STRLCPY]) |
| # |
| # Define NO_UINTMAX_T if your platform does not have uintmax_t |
| AC_CHECK_TYPE(uintmax_t, |
| [NO_UINTMAX_T=], |
| [NO_UINTMAX_T=YesPlease],[ |
| #include <inttypes.h> |
| ]) |
| GIT_CONF_SUBST([NO_UINTMAX_T]) |
| # |
| # Define NO_STRTOUMAX if you don't have strtoumax in the C library. |
| GIT_CHECK_FUNC(strtoumax, |
| [NO_STRTOUMAX=], |
| [NO_STRTOUMAX=YesPlease]) |
| GIT_CONF_SUBST([NO_STRTOUMAX]) |
| # |
| # Define NO_SETENV if you don't have setenv in the C library. |
| GIT_CHECK_FUNC(setenv, |
| [NO_SETENV=], |
| [NO_SETENV=YesPlease]) |
| GIT_CONF_SUBST([NO_SETENV]) |
| # |
| # Define NO_UNSETENV if you don't have unsetenv in the C library. |
| GIT_CHECK_FUNC(unsetenv, |
| [NO_UNSETENV=], |
| [NO_UNSETENV=YesPlease]) |
| GIT_CONF_SUBST([NO_UNSETENV]) |
| # |
| # Define NO_MKDTEMP if you don't have mkdtemp in the C library. |
| GIT_CHECK_FUNC(mkdtemp, |
| [NO_MKDTEMP=], |
| [NO_MKDTEMP=YesPlease]) |
| GIT_CONF_SUBST([NO_MKDTEMP]) |
| # |
| # Define NO_INITGROUPS if you don't have initgroups in the C library. |
| GIT_CHECK_FUNC(initgroups, |
| [NO_INITGROUPS=], |
| [NO_INITGROUPS=YesPlease]) |
| GIT_CONF_SUBST([NO_INITGROUPS]) |
| # |
| # Define HAVE_GETDELIM if you have getdelim in the C library. |
| GIT_CHECK_FUNC(getdelim, |
| [HAVE_GETDELIM=YesPlease], |
| [HAVE_GETDELIM=]) |
| GIT_CONF_SUBST([HAVE_GETDELIM]) |
| # |
| # |
| # Define NO_MMAP if you want to avoid mmap. |
| # |
| # Define NO_ICONV if your libc does not properly support iconv. |
| |
| AC_DEFUN([BSD_SYSCTL_SRC], [ |
| AC_LANG_PROGRAM([[ |
| #include <stddef.h> |
| #include <sys/types.h> |
| #include <sys/sysctl.h> |
| ]],[[ |
| int val, mib[2]; |
| size_t len; |
| mib[0] = CTL_HW; |
| mib[1] = 1; |
| len = sizeof(val); |
| return sysctl(mib, 2, &val, &len, NULL, 0) ? 1 : 0; |
| ]])]) |
| |
| # |
| # Define HAVE_BSD_SYSCTL=YesPlease if a BSD-compatible sysctl function is available. |
| AC_MSG_CHECKING([for BSD sysctl]) |
| AC_COMPILE_IFELSE([BSD_SYSCTL_SRC], |
| [AC_MSG_RESULT([yes]) |
| HAVE_BSD_SYSCTL=YesPlease], |
| [AC_MSG_RESULT([no]) |
| HAVE_BSD_SYSCTL=]) |
| GIT_CONF_SUBST([HAVE_BSD_SYSCTL]) |
| |
| ## Other checks. |
| # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. |
| # Enable it on Windows. By default, symrefs are still used. |
| # |
| # Define NO_PTHREADS if we do not have pthreads. |
| # |
| # Define PTHREAD_LIBS to the linker flag used for Pthread support. |
| AC_DEFUN([PTHREADTEST_SRC], [ |
| AC_LANG_PROGRAM([[ |
| #include <pthread.h> |
| static void *noop(void *ignore) { return ignore; } |
| ]], [[ |
| pthread_mutex_t test_mutex; |
| pthread_key_t test_key; |
| pthread_t th; |
| int retcode = 0; |
| void *ret = (void *)0; |
| retcode |= pthread_key_create(&test_key, (void *)0); |
| retcode |= pthread_mutex_init(&test_mutex,(void *)0); |
| retcode |= pthread_mutex_lock(&test_mutex); |
| retcode |= pthread_mutex_unlock(&test_mutex); |
| retcode |= pthread_create(&th, ret, noop, ret); |
| retcode |= pthread_join(th, &ret); |
| return retcode; |
| ]])]) |
| |
| dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM( |
| dnl [[#include <pthread.h>]], |
| dnl [[pthread_mutex_t test_mutex;]] |
| dnl )]) |
| |
| NO_PTHREADS=UnfortunatelyYes |
| PTHREAD_LIBS= |
| |
| if test -n "$USER_NOPTHREAD"; then |
| AC_MSG_NOTICE([Skipping POSIX Threads at user request.]) |
| # handle these separately since PTHREAD_CFLAGS could be '-lpthreads |
| # -D_REENTRANT' or some such. |
| elif test -z "$PTHREAD_CFLAGS"; then |
| threads_found=no |
| # Attempt to compile and link some code using pthreads to determine |
| # required linker flags. The order is somewhat important here: We |
| # first try it without any extra flags, to catch systems where |
| # pthreads are part of the C library, then go on testing various other |
| # flags. We do so to avoid false positives. For example, on Mac OS X |
| # pthreads are part of the C library; moreover, the compiler allows us |
| # to add "-mt" to the CFLAGS (although it will do nothing except |
| # trigger a warning about an unused flag). Hence if we checked for |
| # "-mt" before "" we would end up picking it. But unfortunately this |
| # would then trigger compiler warnings on every single file we compile. |
| for opt in "" -mt -pthread -lpthread; do |
| old_CFLAGS="$CFLAGS" |
| old_LIBS="$LIBS" |
| case "$opt" in |
| -l*) LIBS="$opt $LIBS" ;; |
| *) CFLAGS="$opt $CFLAGS" ;; |
| esac |
| |
| AC_MSG_CHECKING([for POSIX Threads with '$opt']) |
| AC_LINK_IFELSE([PTHREADTEST_SRC], |
| [AC_MSG_RESULT([yes]) |
| NO_PTHREADS= |
| PTHREAD_LIBS="$opt" |
| PTHREAD_CFLAGS="$opt" |
| threads_found=yes |
| break |
| ], |
| [AC_MSG_RESULT([no])]) |
| CFLAGS="$old_CFLAGS" |
| LIBS="$old_LIBS" |
| done |
| if test $threads_found != yes; then |
| AC_CHECK_LIB([pthread], [pthread_create], |
| [PTHREAD_LIBS="-lpthread"], |
| [NO_PTHREADS=UnfortunatelyYes]) |
| fi |
| else |
| old_CFLAGS="$CFLAGS" |
| CFLAGS="$PTHREAD_CFLAGS $CFLAGS" |
| AC_MSG_CHECKING([for POSIX Threads with '$PTHREAD_CFLAGS']) |
| AC_LINK_IFELSE([PTHREADTEST_SRC], |
| [AC_MSG_RESULT([yes]) |
| NO_PTHREADS= |
| PTHREAD_LIBS="$PTHREAD_CFLAGS" |
| ], |
| [AC_MSG_RESULT([no])]) |
| |
| CFLAGS="$old_CFLAGS" |
| fi |
| |
| CFLAGS="$old_CFLAGS" |
| |
| GIT_CONF_SUBST([PTHREAD_CFLAGS]) |
| GIT_CONF_SUBST([PTHREAD_LIBS]) |
| GIT_CONF_SUBST([NO_PTHREADS]) |
| |
| ## Output files |
| AC_CONFIG_FILES(["${config_file}":"${config_in}"]) |
| AC_OUTPUT |