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_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])])
+ [NEEDS_SSL_WITH_CRYPTO=YesPlease],
+ [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])])
GIT_UNSTASH_FLAGS($OPENSSLDIR)
# some Solaris installations).
# Define NO_ICONV if neither libc nor libiconv support iconv.
+if test -z "$NO_ICONV"; then
+
GIT_STASH_FLAGS($ICONVDIR)
AC_DEFUN([ICONVTEST_SRC], [
AC_SUBST(NEEDS_LIBICONV)
AC_SUBST(NO_ICONV)
+if test -n "$NO_ICONV"; then
+ NEEDS_LIBICONV=
+fi
+
+fi
+
#
# Define NO_DEFLATE_BOUND if deflateBound is missing from zlib.
AC_SUBST(NEEDS_SOCKET)
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])
+AC_SUBST(NEEDS_RESOLV)
+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])
## (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 NO_STRCASESTR if you don't have strcasestr.
GIT_CHECK_FUNC(strcasestr,
[NO_STRCASESTR=],
[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_MMAP if you want to avoid mmap.
#
# Define NO_ICONV if your libc does not properly support iconv.
#
# 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)