# 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)],[])
+ [GIT_CONF_APPEND_PATH($1,$2)],[])
])# GIT_ARG_SET_PATH
#
# 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],
[PROGRAM=m4_toupper($1); \
if test "$withval" = "no"; then \
- AC_MSG_ERROR([You cannot use git without $1]); \
+ if test -n "$2"; then \
+ m4_toupper($1)_PATH=$withval; \
+ AC_MSG_NOTICE([Disabling use of ${PROGRAM}]); \
+ GIT_CONF_APPEND_LINE(NO_${PROGRAM}=YesPlease); \
+ GIT_CONF_APPEND_LINE(${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-$1=PATH]); \
GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \
fi \
])# GIT_PARSE_WITH
+#
+# GIT_PARSE_WITH_SET_MAKE_VAR(WITHNAME, VAR, HELP_TEXT)
+# ---------------------
+# Set VAR to the value specied 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_APPEND_LINE($2=$withval); \
+ fi)])# GIT_PARSE_WITH_SET_MAKE_VAR
dnl
dnl GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE)
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_APPEND_LINE(JSMIN=$enableval);
+])
+
+# Define option to enable CSS minification
+AC_ARG_ENABLE([cssmin],
+[AS_HELP_STRING([--enable-cssmin=PATH],
+ [PATH is the name of a CSS minifier or the absolute path to one.])],
+[
+ CSSMIN=$enableval;
+ AC_MSG_NOTICE([Setting CSSMIN to '$CSSMIN' to enable CSS minifying])
+ GIT_CONF_APPEND_LINE(CSSMIN=$enableval);
+])
+
## Site configuration (override autodetection)
## --with-PACKAGE[=ARG] and --without-PACKAGE
AC_MSG_NOTICE([CHECKS for site configuration])
# 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)
#
AC_MSG_NOTICE([CHECKS for programs])
#
AC_PROG_CC([cc gcc])
+AC_C_INLINE
+case $ac_cv_c_inline in
+ inline | yes | no) ;;
+ *) AC_SUBST([INLINE], [$ac_cv_c_inline]) ;;
+esac
+
# 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])
+ 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
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])
+ 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
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])
+ 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
#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 -z "$NO_TCLTK"; then
AC_MSG_CHECKING([for asciidoc version])
asciidoc_version=`$ASCIIDOC --version 2>/dev/null`
case "${asciidoc_version}" in
- asciidoc' '8*)
- ASCIIDOC8=YesPlease
+ asciidoc' '7*)
+ ASCIIDOC7=YesPlease
AC_MSG_RESULT([${asciidoc_version} > 7])
;;
- asciidoc' '7*)
- ASCIIDOC8=
+ asciidoc' '8*)
+ ASCIIDOC7=
AC_MSG_RESULT([${asciidoc_version}])
;;
*)
- ASCIIDOC8=
+ ASCIIDOC7=
AC_MSG_RESULT([${asciidoc_version} (unknown)])
;;
esac
fi
-AC_SUBST(ASCIIDOC8)
+AC_SUBST(ASCIIDOC7)
## Checks for libraries.
GIT_STASH_FLAGS($ICONVDIR)
-AC_DEFUN([ICONVTEST_SRC], [
-#include <iconv.h>
-
-int main(void)
-{
- iconv_open("", "");
- return 0;
-}
-])
+AC_DEFUN([ICONVTEST_SRC],
+[AC_LANG_PROGRAM([#include <iconv.h>],
+ [iconv_open("", "");])])
if test -n "$ICONVDIR"; then
lib_order="-liconv -lc"
old_LIBS="$LIBS"
LIBS="$LIBS $l"
AC_MSG_CHECKING([for iconv in $l])
- AC_LINK_IFELSE(ICONVTEST_SRC,
+ AC_LINK_IFELSE([ICONVTEST_SRC],
[AC_MSG_RESULT([yes])
NO_ICONV=
break],
GIT_STASH_FLAGS($ZLIB_PATH)
AC_DEFUN([ZLIBTEST_SRC], [
-#include <zlib.h>
-
-int main(void)
-{
- deflateBound(0, 0);
- return 0;
-}
-])
+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_LINK_IFELSE([ZLIBTEST_SRC],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
NO_DEFLATE_BOUND=yes])
test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
#
-# Define NEEDS_RESOLV if linking with -lnsl and/or -lsocket is not enough.
-# Notably on Solaris hstrerror resides in libresolv and on Solaris 7
-# inet_ntop and inet_pton additionally reside there.
-AC_CHECK_LIB([c], [hstrerror],
-[NEEDS_RESOLV=],
-[NEEDS_RESOLV=YesPlease])
+# 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],
[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_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);
-
-int main(void)
-{
- return 0;
-}
-]])
+]], [])])
GIT_STASH_FLAGS($ICONVDIR)
AC_MSG_CHECKING([for old iconv()])
-AC_COMPILE_IFELSE(OLDICONVTEST_SRC,
+AC_COMPILE_IFELSE([OLDICONVTEST_SRC],
[AC_MSG_RESULT([no])],
[AC_MSG_RESULT([yes])
OLD_ICONV=UnfortunatelyYes])
## 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=],
])
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])
+# 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_c99_format = no; then
- NO_C99_FORMAT=YesPlease
+if test $ac_cv_c_excellent_regex = yes; then
+ NO_REGEX=
else
- NO_C99_FORMAT=
+ NO_REGEX=YesPlease
fi
-AC_SUBST(NO_C99_FORMAT)
+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.
[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 $ac_cv_c_excellent_fnmatch = yes; then
+ NO_FNMATCH_CASEFOLD=
+else
+ NO_FNMATCH_CASEFOLD=YesPlease
+fi
+AC_SUBST(NO_FNMATCH_CASEFOLD)
+#
# Define NO_MEMMEM if you don't have memmem.
GIT_CHECK_FUNC(memmem,
[NO_MEMMEM=],
[NO_MKSTEMPS=YesPlease])
AC_SUBST(NO_MKSTEMPS)
#
+# Define NO_INITGROUPS if you don't have initgroups in the C library.
+GIT_CHECK_FUNC(initgroups,
+[NO_INITGROUPS=],
+[NO_INITGROUPS=YesPlease])
+AC_SUBST(NO_INITGROUPS)
+#
#
# Define NO_MMAP if you want to avoid mmap.
#
# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
# Enable it on Windows. By default, symrefs are still used.
#
-# Define NO_PTHREADS if we do not have pthreads
+# Define NO_PTHREADS if we do not have pthreads.
#
-# Define PTHREAD_LIBS to the linker flag used for Pthread support and define
-# THREADED_DELTA_SEARCH if Pthreads are available.
+# Define PTHREAD_LIBS to the linker flag used for Pthread support.
AC_DEFUN([PTHREADTEST_SRC], [
+AC_LANG_PROGRAM([[
#include <pthread.h>
-
-int main(void)
-{
+]], [[
pthread_mutex_t test_mutex;
- return (0);
-}
-])
+ pthread_key_t test_key;
+ int retcode = 0;
+ retcode |= pthread_key_create(&test_key, (void *)0);
+ retcode |= pthread_mutex_init(&test_mutex,(void *)0);
+ retcode |= pthread_mutex_lock(&test_mutex);
+ retcode |= pthread_mutex_unlock(&test_mutex);
+ return retcode;
+]])])
dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM(
dnl [[#include <pthread.h>]],
dnl )])
NO_PTHREADS=UnfortunatelyYes
-THREADED_DELTA_SEARCH=
PTHREAD_LIBS=
if test -n "$USER_NOPTHREAD"; then
# handle these separately since PTHREAD_CFLAGS could be '-lpthreads
# -D_REENTRANT' or some such.
elif test -z "$PTHREAD_CFLAGS"; then
- for opt in -pthread -lpthread; do
+ threads_found=no
+ for opt in -mt -pthread -lpthread; do
old_CFLAGS="$CFLAGS"
CFLAGS="$opt $CFLAGS"
AC_MSG_CHECKING([Checking for POSIX Threads with '$opt'])
- AC_LINK_IFELSE(PTHREADTEST_SRC,
+ AC_LINK_IFELSE([PTHREADTEST_SRC],
[AC_MSG_RESULT([yes])
NO_PTHREADS=
PTHREAD_LIBS="$opt"
- THREADED_DELTA_SEARCH=YesPlease
+ PTHREAD_CFLAGS="$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_LINK_IFELSE([PTHREADTEST_SRC],
[AC_MSG_RESULT([yes])
NO_PTHREADS=
PTHREAD_LIBS="$PTHREAD_CFLAGS"
- THREADED_DELTA_SEARCH=YesPlease
],
[AC_MSG_RESULT([no])])
CFLAGS="$old_CFLAGS"
+AC_SUBST(PTHREAD_CFLAGS)
AC_SUBST(PTHREAD_LIBS)
AC_SUBST(NO_PTHREADS)
-AC_SUBST(THREADED_DELTA_SEARCH)
## Output files
AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])