OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

libgomp: Add RTEMS support

Browse Source 
libgomp/ChangeLog

	* configure.tgt (*-*-rtems*): Use local-exec TLS model.
	* configure.ac (*-*-rtems*): Assume Pthread is supported.
	(pthread.h): Check for this header file.
	* configure: Regenerate.

From-SVN: r221415
This commit is contained in:
Sebastian Huber 2015-03-13 10:57:07 +00:00 committed by Sebastian Huber
parent 9b78b1e730
commit cd93945d03
4 changed files with 49 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
libgomp/ChangeLog
View File

@ -1,3 +1,10 @@
2015-03-13 Sebastian Huber <sebastian.huber@embedded-brains.de>
* configure.tgt (*-*-rtems*): Use local-exec TLS model.
* configure.ac (*-*-rtems*): Assume Pthread is supported.
(pthread.h): Check for this header file.
* configure: Regenerate.
2015-02-25 Tom de Vries <tom@codesourcery.com>
* testsuite/libgomp.oacc-c-c++-common/reduction-1.c (DO_PRAGMA)

22
libgomp/configure vendored
View File

@ -14611,7 +14611,7 @@ $as_echo "#define STRING_WITH_STRINGS 1" >>confdefs.h
fi
for ac_header in unistd.h semaphore.h sys/loadavg.h sys/time.h sys/time.h
for ac_header in pthread.h unistd.h semaphore.h sys/loadavg.h sys/time.h sys/time.h
do :
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
@ -15033,14 +15033,19 @@ ac_config_commands="$ac_config_commands gstdint.h"
# Check to see if -pthread or -lpthread is needed. Prefer the former.
# In case the pthread.h system header is not found, this test will fail.
XPCFLAGS=""
CFLAGS="$CFLAGS -pthread"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
case "$host" in
*-*-rtems*)
# RTEMS supports Pthreads, but the library is not available at GCC build time.
;;
*)
# Check to see if -pthread or -lpthread is needed. Prefer the former.
# In case the pthread.h system header is not found, this test will fail.
CFLAGS="$CFLAGS -pthread"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <pthread.h>
void *g(void *d) { return NULL; }
void *g(void *d) { return NULL; }
int
main ()
{
@ -15053,10 +15058,10 @@ if ac_fn_c_try_link "$LINENO"; then :
XPCFLAGS=" -Wc,-pthread"
else
CFLAGS="$save_CFLAGS" LIBS="-lpthread $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <pthread.h>
void *g(void *d) { return NULL; }
void *g(void *d) { return NULL; }
int
main ()
{
@ -15075,6 +15080,7 @@ rm -f core conftest.err conftest.$ac_objext \
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
esac
# Plugins for offload execution, configure.ac fragment. -*- mode: autoconf -*-
#

42
libgomp/configure.ac
View File

@ -170,28 +170,34 @@ AC_SUBST(libtool_VERSION)
AC_STDC_HEADERS
AC_HEADER_TIME
ACX_HEADER_STRING
AC_CHECK_HEADERS(unistd.h semaphore.h sys/loadavg.h sys/time.h sys/time.h)
AC_CHECK_HEADERS(pthread.h unistd.h semaphore.h sys/loadavg.h sys/time.h sys/time.h)
GCC_HEADER_STDINT(gstdint.h)
# Check to see if -pthread or -lpthread is needed. Prefer the former.
# In case the pthread.h system header is not found, this test will fail.
XPCFLAGS=""
CFLAGS="$CFLAGS -pthread"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[#include <pthread.h>
void *g(void *d) { return NULL; }],
[pthread_t t; pthread_create(&t,NULL,g,NULL);])],
[XPCFLAGS=" -Wc,-pthread"],
[CFLAGS="$save_CFLAGS" LIBS="-lpthread $LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[#include <pthread.h>
void *g(void *d) { return NULL; }],
[pthread_t t; pthread_create(&t,NULL,g,NULL);])],
[],
[AC_MSG_ERROR([Pthreads are required to build libgomp])])])
case "$host" in
*-*-rtems*)
# RTEMS supports Pthreads, but the library is not available at GCC build time.
;;
*)
# Check to see if -pthread or -lpthread is needed. Prefer the former.
# In case the pthread.h system header is not found, this test will fail.
CFLAGS="$CFLAGS -pthread"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[#include <pthread.h>
void *g(void *d) { return NULL; }],
[pthread_t t; pthread_create(&t,NULL,g,NULL);])],
[XPCFLAGS=" -Wc,-pthread"],
[CFLAGS="$save_CFLAGS" LIBS="-lpthread $LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[#include <pthread.h>
void *g(void *d) { return NULL; }],
[pthread_t t; pthread_create(&t,NULL,g,NULL);])],
[],
[AC_MSG_ERROR([Pthreads are required to build libgomp])])])
esac
m4_include([plugin/configfrag.ac])

4
libgomp/configure.tgt
View File

@ -20,6 +20,10 @@ if test $gcc_cv_have_tls = yes ; then
*-*-linux* | *-*-gnu*)
XCFLAGS="${XCFLAGS} -ftls-model=initial-exec"
;;
*-*-rtems*)
XCFLAGS="${XCFLAGS} -ftls-model=local-exec"
;;
esac
fi