mirror of
https://github.com/git/git.git
synced 2024-10-31 14:27:54 +01:00
1e58dba142
Avoid warnings from Autoconf 2.68 about missing use of AC_LANG_PROGRAM and friends. Quoting autoconf-2.68/NEWS: ** The macros AC_PREPROC_IFELSE, AC_COMPILE_IFELSE, AC_LINK_IFELSE, and AC_RUN_IFELSE now warn if the first argument failed to use AC_LANG_SOURCE or AC_LANG_PROGRAM to generate the conftest file contents. A new macro AC_LANG_DEFINES_PROVIDED exists if you have a compelling reason why you cannot use AC_LANG_SOURCE but must avoid the warning. The underlying reason for that change is that AC_LANG_{SOURCE,PROGRAM} take care to supply the previously computed set of #defines (and include standard headers if so desired) for preprocessed languages like C and C++. In some cases, AC_LANG_PROGRAM is already used but not sufficiently m4-quoted, so we just need to add another set of [quotes] to prevent the autoconf warning from being triggered bogusly. Quoting all arguments (except when calling special macros that need to be expanded before recursion) is better style, anyway. These and more rules are described in detail in 'info Autoconf "Programming in M4"'. No change in the resulting config.mak.autogen after running ./configure intended. Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
989 lines
28 KiB
Text
989 lines
28 KiB
Text
# -*- Autoconf -*-
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# Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.59)
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AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org])
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AC_CONFIG_SRCDIR([git.c])
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config_file=config.mak.autogen
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config_append=config.mak.append
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config_in=config.mak.in
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echo "# ${config_append}. Generated by configure." > "${config_append}"
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## Definitions of macros
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# GIT_CONF_APPEND_LINE(LINE)
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# --------------------------
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# Append LINE to file ${config_append}
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AC_DEFUN([GIT_CONF_APPEND_LINE],
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[echo "$1" >> "${config_append}"])# GIT_CONF_APPEND_LINE
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#
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# GIT_ARG_SET_PATH(PROGRAM)
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# -------------------------
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# Provide --with-PROGRAM=PATH option to set PATH to PROGRAM
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# Optional second argument allows setting NO_PROGRAM=YesPlease if
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# --without-PROGRAM version used.
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AC_DEFUN([GIT_ARG_SET_PATH],
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[AC_ARG_WITH([$1],
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[AS_HELP_STRING([--with-$1=PATH],
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[provide PATH to $1])],
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[GIT_CONF_APPEND_PATH($1,$2)],[])
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])# GIT_ARG_SET_PATH
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#
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# GIT_CONF_APPEND_PATH(PROGRAM)
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# ------------------------------
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# Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH
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# Used by GIT_ARG_SET_PATH(PROGRAM)
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# Optional second argument allows setting NO_PROGRAM=YesPlease if
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# --without-PROGRAM is used.
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AC_DEFUN([GIT_CONF_APPEND_PATH],
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[PROGRAM=m4_toupper($1); \
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if test "$withval" = "no"; then \
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if test -n "$2"; then \
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m4_toupper($1)_PATH=$withval; \
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AC_MSG_NOTICE([Disabling use of ${PROGRAM}]); \
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GIT_CONF_APPEND_LINE(NO_${PROGRAM}=YesPlease); \
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GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=); \
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else \
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AC_MSG_ERROR([You cannot use git without $1]); \
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fi; \
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else \
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if test "$withval" = "yes"; then \
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AC_MSG_WARN([You should provide path for --with-$1=PATH]); \
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else \
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m4_toupper($1)_PATH=$withval; \
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AC_MSG_NOTICE([Setting m4_toupper($1)_PATH to $withval]); \
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GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \
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fi; \
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fi; \
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]) # GIT_CONF_APPEND_PATH
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#
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# GIT_PARSE_WITH(PACKAGE)
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# -----------------------
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# For use in AC_ARG_WITH action-if-found, for packages default ON.
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# * Set NO_PACKAGE=YesPlease for --without-PACKAGE
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# * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH
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# * Unset NO_PACKAGE for --with-PACKAGE without ARG
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AC_DEFUN([GIT_PARSE_WITH],
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[PACKAGE=m4_toupper($1); \
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if test "$withval" = "no"; then \
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m4_toupper(NO_$1)=YesPlease; \
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elif test "$withval" = "yes"; then \
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m4_toupper(NO_$1)=; \
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else \
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m4_toupper(NO_$1)=; \
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m4_toupper($1)DIR=$withval; \
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AC_MSG_NOTICE([Setting m4_toupper($1)DIR to $withval]); \
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GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \
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fi \
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])# GIT_PARSE_WITH
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#
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# GIT_PARSE_WITH_SET_MAKE_VAR(WITHNAME, VAR, HELP_TEXT)
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# ---------------------
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# Set VAR to the value specied by --with-WITHNAME.
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# No verification of arguments is performed, but warnings are issued
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# if either 'yes' or 'no' is specified.
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# HELP_TEXT is presented when --help is called.
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# This is a direct way to allow setting variables in the Makefile.
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AC_DEFUN([GIT_PARSE_WITH_SET_MAKE_VAR],
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[AC_ARG_WITH([$1],
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[AS_HELP_STRING([--with-$1=VALUE], $3)],
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if test -n "$withval"; then \
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if test "$withval" = "yes" -o "$withval" = "no"; then \
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AC_MSG_WARN([You likely do not want either 'yes' or 'no' as]
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[a value for $1 ($2). Maybe you do...?]); \
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fi; \
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\
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AC_MSG_NOTICE([Setting $2 to $withval]); \
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GIT_CONF_APPEND_LINE($2=$withval); \
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fi)])# GIT_PARSE_WITH_SET_MAKE_VAR
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dnl
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dnl GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE)
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dnl -----------------------------------------
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dnl Similar to AC_CHECK_FUNC, but on systems that do not generate
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dnl warnings for missing prototypes (e.g. FreeBSD when compiling without
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dnl -Wall), it does not work. By looking for function definition in
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dnl libraries, this problem can be worked around.
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AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[
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AC_SEARCH_LIBS([$1],,
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[$2],[$3])
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],[$3])])
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dnl
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dnl GIT_STASH_FLAGS(BASEPATH_VAR)
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dnl -----------------------------
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dnl Allow for easy stashing of LDFLAGS and CPPFLAGS before running
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dnl tests that may want to take user settings into account.
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AC_DEFUN([GIT_STASH_FLAGS],[
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if test -n "$1"; then
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old_CPPFLAGS="$CPPFLAGS"
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old_LDFLAGS="$LDFLAGS"
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CPPFLAGS="-I$1/include $CPPFLAGS"
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LDFLAGS="-L$1/$lib $LDFLAGS"
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fi
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])
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dnl
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dnl GIT_UNSTASH_FLAGS(BASEPATH_VAR)
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dnl -----------------------------
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dnl Restore the stashed *FLAGS values.
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AC_DEFUN([GIT_UNSTASH_FLAGS],[
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if test -n "$1"; then
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CPPFLAGS="$old_CPPFLAGS"
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LDFLAGS="$old_LDFLAGS"
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fi
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])
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## Site configuration related to programs (before tests)
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## --with-PACKAGE[=ARG] and --without-PACKAGE
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#
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# Set lib to alternative name of lib directory (e.g. lib64)
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AC_ARG_WITH([lib],
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[AS_HELP_STRING([--with-lib=ARG],
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[ARG specifies alternative name for lib directory])],
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[if test "$withval" = "no" || test "$withval" = "yes"; then \
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AC_MSG_WARN([You should provide name for --with-lib=ARG]); \
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else \
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lib=$withval; \
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AC_MSG_NOTICE([Setting lib to '$lib']); \
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GIT_CONF_APPEND_LINE(lib=$withval); \
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fi; \
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],[])
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if test -z "$lib"; then
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AC_MSG_NOTICE([Setting lib to 'lib' (the default)])
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lib=lib
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fi
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AC_ARG_ENABLE([pthreads],
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[AS_HELP_STRING([--enable-pthreads=FLAGS],
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[FLAGS is the value to pass to the compiler to enable POSIX Threads.]
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[The default if FLAGS is not specified is to try first -pthread]
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[and then -lpthread.]
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[--without-pthreads will disable threading.])],
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[
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if test "x$enableval" = "xyes"; then
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AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads])
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elif test "x$enableval" != "xno"; then
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PTHREAD_CFLAGS=$enableval
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AC_MSG_NOTICE([Setting '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads])
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else
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AC_MSG_NOTICE([POSIX Threads will be disabled.])
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NO_PTHREADS=YesPlease
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USER_NOPTHREAD=1
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fi],
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[
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AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads.])
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])
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# Define option to enable JavaScript minification
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AC_ARG_ENABLE([jsmin],
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[AS_HELP_STRING([--enable-jsmin=PATH],
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[PATH is the name of a JavaScript minifier or the absolute path to one.])],
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[
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JSMIN=$enableval;
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AC_MSG_NOTICE([Setting JSMIN to '$JSMIN' to enable JavaScript minifying])
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GIT_CONF_APPEND_LINE(JSMIN=$enableval);
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])
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# Define option to enable CSS minification
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AC_ARG_ENABLE([cssmin],
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[AS_HELP_STRING([--enable-cssmin=PATH],
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[PATH is the name of a CSS minifier or the absolute path to one.])],
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[
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CSSMIN=$enableval;
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AC_MSG_NOTICE([Setting CSSMIN to '$CSSMIN' to enable CSS minifying])
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GIT_CONF_APPEND_LINE(CSSMIN=$enableval);
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])
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## Site configuration (override autodetection)
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## --with-PACKAGE[=ARG] and --without-PACKAGE
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AC_MSG_NOTICE([CHECKS for site configuration])
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#
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# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
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# tests. These tests take up a significant amount of the total test time
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# but are not needed unless you plan to talk to SVN repos.
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#
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# Define PPC_SHA1 environment variable when running make to make use of
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# a bundled SHA1 routine optimized for PowerPC.
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#
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# Define NO_OPENSSL environment variable if you do not have OpenSSL.
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# This also implies BLK_SHA1.
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#
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# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
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# /foo/bar/include and /foo/bar/lib directories.
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AC_ARG_WITH(openssl,
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AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
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AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\
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GIT_PARSE_WITH(openssl))
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#
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# Define NO_CURL if you do not have curl installed. git-http-pull and
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# git-http-push are not built, and you cannot use http:// and https://
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# transports.
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#
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# Define CURLDIR=/foo/bar if your curl header and library files are in
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# /foo/bar/include and /foo/bar/lib directories.
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AC_ARG_WITH(curl,
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AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
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AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]),
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GIT_PARSE_WITH(curl))
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#
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# Define NO_EXPAT if you do not have expat installed. git-http-push is
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# not built, and you cannot push using http:// and https:// transports.
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#
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# Define EXPATDIR=/foo/bar if your expat header and library files are in
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# /foo/bar/include and /foo/bar/lib directories.
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AC_ARG_WITH(expat,
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AS_HELP_STRING([--with-expat],
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[support git-push using http:// and https:// transports via WebDAV (default is YES)])
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AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]),
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GIT_PARSE_WITH(expat))
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#
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# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
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# installed in /sw, but don't want GIT to link against any libraries
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# installed there. If defined you may specify your own (or Fink's)
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# include directories and library directories by defining CFLAGS
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# and LDFLAGS appropriately.
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#
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# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
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# have DarwinPorts installed in /opt/local, but don't want GIT to
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# link against any libraries installed there. If defined you may
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# specify your own (or DarwinPort's) include directories and
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# library directories by defining CFLAGS and LDFLAGS appropriately.
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#
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# Define NO_MMAP if you want to avoid mmap.
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#
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# Define NO_ICONV if your libc does not properly support iconv.
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AC_ARG_WITH(iconv,
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AS_HELP_STRING([--without-iconv],
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[if your architecture doesn't properly support iconv])
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AS_HELP_STRING([--with-iconv=PATH],
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[PATH is prefix for libiconv library and headers])
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AS_HELP_STRING([],
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[used only if you need linking with libiconv]),
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GIT_PARSE_WITH(iconv))
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## --enable-FEATURE[=ARG] and --disable-FEATURE
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#
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# Define USE_NSEC below if you want git to care about sub-second file mtimes
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# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
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# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
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# randomly break unless your underlying filesystem supports those sub-second
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# times (my ext3 doesn't).
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#
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# Define USE_STDEV below if you want git to care about the underlying device
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# change being considered an inode change from the update-index perspective.
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#
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# Allow user to set ETC_GITCONFIG variable
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GIT_PARSE_WITH_SET_MAKE_VAR(gitconfig, ETC_GITCONFIG,
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Use VALUE instead of /etc/gitconfig as the
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global git configuration file.
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If VALUE is not fully qualified it will be interpreted
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as a path relative to the computed prefix at runtime.)
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#
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# Allow user to set ETC_GITATTRIBUTES variable
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GIT_PARSE_WITH_SET_MAKE_VAR(gitattributes, ETC_GITATTRIBUTES,
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Use VALUE instead of /etc/gitattributes as the
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global git attributes file.
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If VALUE is not fully qualified it will be interpreted
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as a path relative to the computed prefix at runtime.)
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#
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# Allow user to set the default pager
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GIT_PARSE_WITH_SET_MAKE_VAR(pager, DEFAULT_PAGER,
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Use VALUE as the fall-back pager instead of 'less'.
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This is used by things like 'git log' when the user
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does not specify a pager to use through alternate
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methods. eg: /usr/bin/pager)
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#
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# Allow user to set the default editor
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GIT_PARSE_WITH_SET_MAKE_VAR(editor, DEFAULT_EDITOR,
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Use VALUE as the fall-back editor instead of 'vi'.
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This is used by things like 'git commit' when the user
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does not specify a preferred editor through other
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methods. eg: /usr/bin/editor)
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#
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# Define SHELL_PATH to provide path to shell.
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GIT_ARG_SET_PATH(shell)
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#
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# Define PERL_PATH to provide path to Perl.
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GIT_ARG_SET_PATH(perl)
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#
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# Define PYTHON_PATH to provide path to Python.
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GIT_ARG_SET_PATH(python, allow-without)
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#
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# Define ZLIB_PATH to provide path to zlib.
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GIT_ARG_SET_PATH(zlib)
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#
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# Declare the with-tcltk/without-tcltk options.
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AC_ARG_WITH(tcltk,
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AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)])
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AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.])
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AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if])
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AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),\
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GIT_PARSE_WITH(tcltk))
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#
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## Checks for programs.
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AC_MSG_NOTICE([CHECKS for programs])
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#
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AC_PROG_CC([cc gcc])
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AC_C_INLINE
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case $ac_cv_c_inline in
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inline | yes | no) ;;
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*) AC_SUBST([INLINE], [$ac_cv_c_inline]) ;;
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esac
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# which switch to pass runtime path to dynamic libraries to the linker
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AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [
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SAVE_LDFLAGS="${LDFLAGS}"
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LDFLAGS="${SAVE_LDFLAGS} -R /"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no])
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LDFLAGS="${SAVE_LDFLAGS}"
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])
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if test "$git_cv_ld_dashr" = "yes"; then
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AC_SUBST(CC_LD_DYNPATH, [-R])
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else
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AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [
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SAVE_LDFLAGS="${LDFLAGS}"
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LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no])
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LDFLAGS="${SAVE_LDFLAGS}"
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])
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if test "$git_cv_ld_wl_rpath" = "yes"; then
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AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,])
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else
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AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [
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SAVE_LDFLAGS="${LDFLAGS}"
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LDFLAGS="${SAVE_LDFLAGS} -rpath /"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no])
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LDFLAGS="${SAVE_LDFLAGS}"
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])
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if test "$git_cv_ld_rpath" = "yes"; then
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AC_SUBST(CC_LD_DYNPATH, [-rpath])
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else
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AC_MSG_WARN([linker does not support runtime path to dynamic libraries])
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fi
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fi
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fi
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#AC_PROG_INSTALL # needs install-sh or install.sh in sources
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AC_CHECK_TOOLS(AR, [gar ar], :)
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AC_CHECK_PROGS(TAR, [gtar tar])
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AC_CHECK_PROGS(DIFF, [gnudiff gdiff diff])
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# TCLTK_PATH will be set to some value if we want Tcl/Tk
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# or will be empty otherwise.
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if test -z "$NO_TCLTK"; then
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if test "$with_tcltk" = ""; then
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# No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'.
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TCLTK_PATH=wish
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AC_SUBST(TCLTK_PATH)
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elif test "$with_tcltk" = "yes"; then
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# Tcl/Tk check requested.
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AC_CHECK_PROGS(TCLTK_PATH, [wish], )
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else
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AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk])
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TCLTK_PATH="$with_tcltk"
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AC_SUBST(TCLTK_PATH)
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fi
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fi
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AC_CHECK_PROGS(ASCIIDOC, [asciidoc])
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if test -n "$ASCIIDOC"; then
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AC_MSG_CHECKING([for asciidoc version])
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asciidoc_version=`$ASCIIDOC --version 2>/dev/null`
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case "${asciidoc_version}" in
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asciidoc' '7*)
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ASCIIDOC7=YesPlease
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AC_MSG_RESULT([${asciidoc_version} > 7])
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;;
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asciidoc' '8*)
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ASCIIDOC7=
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AC_MSG_RESULT([${asciidoc_version}])
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;;
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*)
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ASCIIDOC7=
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|
AC_MSG_RESULT([${asciidoc_version} (unknown)])
|
|
;;
|
|
esac
|
|
fi
|
|
AC_SUBST(ASCIIDOC7)
|
|
|
|
|
|
## 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($OPENSSLDIR)
|
|
|
|
AC_CHECK_LIB([crypto], [SHA1_Init],
|
|
[NEEDS_SSL_WITH_CRYPTO=],
|
|
[AC_CHECK_LIB([ssl], [SHA1_Init],
|
|
[NEEDS_SSL_WITH_CRYPTO=YesPlease],
|
|
[NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])])
|
|
|
|
GIT_UNSTASH_FLAGS($OPENSSLDIR)
|
|
|
|
AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
|
|
AC_SUBST(NO_OPENSSL)
|
|
|
|
#
|
|
# 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)
|
|
|
|
AC_SUBST(NO_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.
|
|
|
|
GIT_STASH_FLAGS($EXPATDIR)
|
|
|
|
AC_CHECK_LIB([expat], [XML_ParserCreate],
|
|
[NO_EXPAT=],
|
|
[NO_EXPAT=YesPlease])
|
|
|
|
GIT_UNSTASH_FLAGS($EXPATDIR)
|
|
|
|
AC_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)
|
|
|
|
AC_SUBST(NEEDS_LIBICONV)
|
|
AC_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)
|
|
|
|
AC_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])
|
|
AC_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=
|
|
AC_SUBST(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_SUBST(NO_INET_NTOP)
|
|
AC_CHECK_FUNC([inet_ntop],
|
|
[],
|
|
[AC_CHECK_LIB([resolv], [inet_ntop],
|
|
[NEEDS_RESOLV=YesPlease],
|
|
[NO_INET_NTOP=YesPlease])
|
|
])
|
|
#
|
|
# 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_SUBST(NO_INET_PTON)
|
|
AC_CHECK_FUNC([inet_pton],
|
|
[],
|
|
[AC_CHECK_LIB([resolv], [inet_pton],
|
|
[NEEDS_RESOLV=YesPlease],
|
|
[NO_INET_PTON=YesPlease])
|
|
])
|
|
#
|
|
# 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])
|
|
])
|
|
AC_SUBST(NO_HSTRERROR)
|
|
#
|
|
# 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])
|
|
AC_SUBST(NEEDS_LIBGEN)
|
|
test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen"
|
|
|
|
## 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])
|
|
AC_SUBST(NO_SYS_SELECT_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])
|
|
AC_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])
|
|
AC_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($ICONVDIR)
|
|
|
|
AC_MSG_CHECKING([for old iconv()])
|
|
AC_COMPILE_IFELSE([OLDICONVTEST_SRC],
|
|
[AC_MSG_RESULT([no])],
|
|
[AC_MSG_RESULT([yes])
|
|
OLD_ICONV=UnfortunatelyYes])
|
|
|
|
GIT_UNSTASH_FLAGS($ICONVDIR)
|
|
|
|
AC_SUBST(OLD_ICONV)
|
|
|
|
## Checks for typedefs, structures, and compiler characteristics.
|
|
AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
|
|
#
|
|
TYPE_SOCKLEN_T
|
|
case $ac_cv_type_socklen_t in
|
|
yes) ;;
|
|
*) AC_SUBST([SOCKLEN_T], [$git_cv_socklen_t_equiv]) ;;
|
|
esac
|
|
|
|
# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
|
|
AC_CHECK_MEMBER(struct dirent.d_ino,
|
|
[NO_D_INO_IN_DIRENT=],
|
|
[NO_D_INO_IN_DIRENT=YesPlease],
|
|
[#include <dirent.h>])
|
|
AC_SUBST(NO_D_INO_IN_DIRENT)
|
|
#
|
|
# 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>])
|
|
AC_SUBST(NO_D_TYPE_IN_DIRENT)
|
|
#
|
|
# 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>
|
|
])
|
|
AC_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>
|
|
])
|
|
AC_SUBST(NO_IPV6)
|
|
#
|
|
# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
|
|
# do not support the 'size specifiers' introduced by C99, namely ll, hh,
|
|
# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
|
|
# some C compilers supported these specifiers prior to C99 as an extension.
|
|
AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers],
|
|
[ac_cv_c_c99_format],
|
|
[# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
|
|
AC_RUN_IFELSE(
|
|
[AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
|
|
[[char buf[64];
|
|
if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
|
|
return 1;
|
|
else if (strcmp(buf, "12345"))
|
|
return 2;]])],
|
|
[ac_cv_c_c99_format=yes],
|
|
[ac_cv_c_c99_format=no])
|
|
])
|
|
if test $ac_cv_c_c99_format = no; then
|
|
NO_C99_FORMAT=YesPlease
|
|
else
|
|
NO_C99_FORMAT=
|
|
fi
|
|
AC_SUBST(NO_C99_FORMAT)
|
|
#
|
|
# Define NO_REGEX if you have no or inferior regex support in your C library.
|
|
AC_CACHE_CHECK([whether the platform regex can handle null bytes],
|
|
[ac_cv_c_excellent_regex], [
|
|
AC_EGREP_CPP(yippeeyeswehaveit,
|
|
AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
|
|
#include <regex.h>
|
|
],
|
|
[#ifdef REG_STARTEND
|
|
yippeeyeswehaveit
|
|
#endif
|
|
]),
|
|
[ac_cv_c_excellent_regex=yes],
|
|
[ac_cv_c_excellent_regex=no])
|
|
])
|
|
if test $ac_cv_c_excellent_regex = yes; then
|
|
NO_REGEX=
|
|
else
|
|
NO_REGEX=YesPlease
|
|
fi
|
|
AC_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],
|
|
[[char c;
|
|
FILE *f = fopen(".", "r");
|
|
return f && fread(&c, 1, 1, f)]])],
|
|
[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
|
|
AC_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
|
|
AC_SUBST(SNPRINTF_RETURNS_BOGUS)
|
|
|
|
|
|
## 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])
|
|
AC_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=])
|
|
AC_SUBST(HAVE_PATHS_H)
|
|
#
|
|
# Define NO_STRCASESTR if you don't have strcasestr.
|
|
GIT_CHECK_FUNC(strcasestr,
|
|
[NO_STRCASESTR=],
|
|
[NO_STRCASESTR=YesPlease])
|
|
AC_SUBST(NO_STRCASESTR)
|
|
#
|
|
# Define NO_STRTOK_R if you don't have strtok_r
|
|
GIT_CHECK_FUNC(strtok_r,
|
|
[NO_STRTOK_R=],
|
|
[NO_STRTOK_R=YesPlease])
|
|
AC_SUBST(NO_STRTOK_R)
|
|
#
|
|
# Define NO_FNMATCH if you don't have fnmatch
|
|
GIT_CHECK_FUNC(fnmatch,
|
|
[NO_FNMATCH=],
|
|
[NO_FNMATCH=YesPlease])
|
|
AC_SUBST(NO_FNMATCH)
|
|
#
|
|
# Define NO_FNMATCH_CASEFOLD if your fnmatch function doesn't have the
|
|
# FNM_CASEFOLD GNU extension.
|
|
AC_CACHE_CHECK([whether the fnmatch function supports the FNMATCH_CASEFOLD GNU extension],
|
|
[ac_cv_c_excellent_fnmatch], [
|
|
AC_EGREP_CPP(yippeeyeswehaveit,
|
|
AC_LANG_PROGRAM([
|
|
#include <fnmatch.h>
|
|
],
|
|
[#ifdef FNM_CASEFOLD
|
|
yippeeyeswehaveit
|
|
#endif
|
|
]),
|
|
[ac_cv_c_excellent_fnmatch=yes],
|
|
[ac_cv_c_excellent_fnmatch=no])
|
|
])
|
|
if test $ac_cv_c_excellent_fnmatch = yes; then
|
|
NO_FNMATCH_CASEFOLD=
|
|
else
|
|
NO_FNMATCH_CASEFOLD=YesPlease
|
|
fi
|
|
AC_SUBST(NO_FNMATCH_CASEFOLD)
|
|
#
|
|
# Define NO_MEMMEM if you don't have memmem.
|
|
GIT_CHECK_FUNC(memmem,
|
|
[NO_MEMMEM=],
|
|
[NO_MEMMEM=YesPlease])
|
|
AC_SUBST(NO_MEMMEM)
|
|
#
|
|
# Define NO_STRLCPY if you don't have strlcpy.
|
|
GIT_CHECK_FUNC(strlcpy,
|
|
[NO_STRLCPY=],
|
|
[NO_STRLCPY=YesPlease])
|
|
AC_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>
|
|
])
|
|
AC_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])
|
|
AC_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])
|
|
AC_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])
|
|
AC_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])
|
|
AC_SUBST(NO_MKDTEMP)
|
|
#
|
|
# Define NO_MKSTEMPS if you don't have mkstemps in the C library.
|
|
GIT_CHECK_FUNC(mkstemps,
|
|
[NO_MKSTEMPS=],
|
|
[NO_MKSTEMPS=YesPlease])
|
|
AC_SUBST(NO_MKSTEMPS)
|
|
#
|
|
# Define NO_INITGROUPS if you don't have initgroups in the C library.
|
|
GIT_CHECK_FUNC(initgroups,
|
|
[NO_INITGROUPS=],
|
|
[NO_INITGROUPS=YesPlease])
|
|
AC_SUBST(NO_INITGROUPS)
|
|
#
|
|
#
|
|
# Define NO_MMAP if you want to avoid mmap.
|
|
#
|
|
# Define NO_ICONV if your libc does not properly support iconv.
|
|
|
|
|
|
## Other checks.
|
|
# Define USE_PIC if you need the main git objects to be built with -fPIC
|
|
# in order to build and link perl/Git.so. x86-64 seems to need this.
|
|
#
|
|
# 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>
|
|
]], [[
|
|
pthread_mutex_t test_mutex;
|
|
int retcode = 0;
|
|
retcode |= pthread_mutex_init(&test_mutex,(void *)0);
|
|
retcode |= pthread_mutex_lock(&test_mutex);
|
|
retcode |= pthread_mutex_unlock(&test_mutex);
|
|
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 "$PTHREAD_CFLAGS"; then
|
|
threads_found=no
|
|
for opt in -mt -pthread -lpthread; do
|
|
old_CFLAGS="$CFLAGS"
|
|
CFLAGS="$opt $CFLAGS"
|
|
AC_MSG_CHECKING([Checking for POSIX Threads with '$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"
|
|
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 $CFLAGS"
|
|
AC_MSG_CHECKING([Checking for POSIX Threads with '$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="$old_CFLAGS"
|
|
|
|
AC_SUBST(PTHREAD_CFLAGS)
|
|
AC_SUBST(PTHREAD_LIBS)
|
|
AC_SUBST(NO_PTHREADS)
|
|
|
|
## Output files
|
|
AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
|
|
AC_OUTPUT
|
|
|
|
|
|
## Cleanup
|
|
rm -f "${config_append}"
|