AC_SEARCH_LIBS([$1],,
[$2],[$3])
],[$3])])
+
+dnl
+dnl GIT_STASH_FLAGS(BASEPATH_VAR)
+dnl -----------------------------
+dnl Allow for easy stashing of LDFLAGS and CPPFLAGS before running
+dnl 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="$old_LDFLAGS"
+fi
+])
+
## Site configuration related to programs (before tests)
## --with-PACKAGE[=ARG] and --without-PACKAGE
#
lib=lib
fi
+AC_ARG_ENABLE([pthreads],
+ [AS_HELP_STRING([--enable-pthreads=FLAGS],
+ [FLAGS is the value to pass to the compiler to enable POSIX Threads.]
+ [The default if FLAGS is not specified is to try first -pthread]
+ [and then -lpthread.]
+ [--without-pthreads will disable threading.])],
+[
+if test "x$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 '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads])
+else
+ AC_MSG_NOTICE([POSIX Threads will be disabled.])
+ NO_PTHREADS=YesPlease
+ USER_NOPTHREAD=1
+fi],
+[
+ AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads.])
+])
+
## Site configuration (override autodetection)
## --with-PACKAGE[=ARG] and --without-PACKAGE
AC_MSG_NOTICE([CHECKS for site configuration])
AC_CHECK_PROGS(ASCIIDOC, [asciidoc])
if test -n "$ASCIIDOC"; then
AC_MSG_CHECKING([for asciidoc version])
- asciidoc_version=`$ASCIIDOC --version 2>&1`
+ asciidoc_version=`$ASCIIDOC --version 2>/dev/null`
case "${asciidoc_version}" in
asciidoc' '8*)
ASCIIDOC8=YesPlease
#
# Define NO_OPENSSL environment variable if you do not have OpenSSL.
# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
+
+GIT_STASH_FLAGS($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($EXPATDIR)
+
AC_SUBST(NO_EXPAT)
+
#
# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and
# some Solaris installations).
# Define NO_ICONV if neither libc nor libiconv support iconv.
+
+GIT_STASH_FLAGS($ICONVDIR)
+
AC_DEFUN([ICONVTEST_SRC], [
#include <iconv.h>
return 0;
}
])
-AC_MSG_CHECKING([for iconv in -lc])
-AC_LINK_IFELSE(ICONVTEST_SRC,
+
+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 $l])
+ AC_LINK_IFELSE(ICONVTEST_SRC,
[AC_MSG_RESULT([yes])
- NEEDS_LIBICONV=],
- [AC_MSG_RESULT([no])
- old_LIBS="$LIBS"
- LIBS="$LIBS -liconv"
- AC_MSG_CHECKING([for iconv in -liconv])
- AC_LINK_IFELSE(ICONVTEST_SRC,
- [AC_MSG_RESULT([yes])
- NEEDS_LIBICONV=YesPlease],
- [AC_MSG_RESULT([no])
- NO_ICONV=YesPlease])
- LIBS="$old_LIBS"])
+ NO_ICONV=
+ break],
+ [AC_MSG_RESULT([no])])
+ LIBS="$old_LIBS"
+done
+
+#in case of break
+LIBS="$old_LIBS"
+
+GIT_UNSTASH_FLAGS($ICONVDIR)
+
AC_SUBST(NEEDS_LIBICONV)
AC_SUBST(NO_ICONV)
-test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv"
+
#
# Define NO_DEFLATE_BOUND if deflateBound is missing from zlib.
+
+GIT_STASH_FLAGS($ZLIB_PATH)
+
AC_DEFUN([ZLIBTEST_SRC], [
#include <zlib.h>
[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).
return 0;
}
]])
+
+GIT_STASH_FLAGS($ICONVDIR)
+
AC_MSG_CHECKING([for old iconv()])
AC_COMPILE_IFELSE(OLDICONVTEST_SRC,
[AC_MSG_RESULT([no])],
[AC_MSG_RESULT([yes])
OLD_ICONV=UnfortunatelyYes])
-AC_SUBST(OLD_ICONV)
+GIT_UNSTASH_FLAGS($ICONVDIR)
+
+AC_SUBST(OLD_ICONV)
## Checks for typedefs, structures, and compiler characteristics.
AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
#
# Define PTHREAD_LIBS to the linker flag used for Pthread support and define
# THREADED_DELTA_SEARCH if Pthreads are available.
-AC_LANG_CONFTEST([AC_LANG_PROGRAM(
- [[#include <pthread.h>]],
- [[pthread_mutex_t test_mutex;]]
-)])
-${CC} -pthread conftest.c -o conftest.o > /dev/null 2>&1
-if test $? -eq 0;then
- PTHREAD_LIBS="-pthread"
- THREADED_DELTA_SEARCH=YesPlease
+AC_DEFUN([PTHREADTEST_SRC], [
+#include <pthread.h>
+
+int main(void)
+{
+ pthread_mutex_t test_mutex;
+ return (0);
+}
+])
+
+dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM(
+dnl [[#include <pthread.h>]],
+dnl [[pthread_mutex_t test_mutex;]]
+dnl )])
+
+NO_PTHREADS=UnfortunatelyYes
+THREADED_DELTA_SEARCH=
+PTHREAD_LIBS=
+
+if test -n "$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 "$PTHREAD_CFLAGS"; then
+ for opt in -pthread -lpthread; do
+ old_CFLAGS="$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="$opt"
+ THREADED_DELTA_SEARCH=YesPlease
+ break
+ ],
+ [AC_MSG_RESULT([no])])
+ CFLAGS="$old_CFLAGS"
+ done
else
- ${CC} -lpthread conftest.c -o conftest.o > /dev/null 2>&1
- if test $? -eq 0;then
- PTHREAD_LIBS="-lpthread"
- THREADED_DELTA_SEARCH=YesPlease
- else
- NO_PTHREADS=UnfortunatelyYes
- fi
+ old_CFLAGS="$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="$PTHREAD_CFLAGS"
+ THREADED_DELTA_SEARCH=YesPlease
+ ],
+ [AC_MSG_RESULT([no])])
+
+ CFLAGS="$old_CFLAGS"
fi
+
+CFLAGS="$old_CFLAGS"
+
AC_SUBST(PTHREAD_LIBS)
AC_SUBST(NO_PTHREADS)
AC_SUBST(THREADED_DELTA_SEARCH)