Patch can bootstrap on x86_64-linux-gnu and survives regression tests.
Ready to be installed?
Thanks,
Martin
Use -pthread only if we are going to use pthread functionality.
PR bootstrap/106156
lto-plugin/ChangeLog:
* configure: Regenerate.
* configure.ac: Use -pthread only why use_locking == true.
* Makefile.in: Rely on ac_lto_plugin_ldflags.
---
lto-plugin/Makefile.in | 2 +-
lto-plugin/configure | 6 ++++--
lto-plugin/configure.ac | 2 ++
3 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/lto-plugin/Makefile.in b/lto-plugin/Makefile.in
index 9453bc7d607..6b161c01683 100644
--- a/lto-plugin/Makefile.in
+++ b/lto-plugin/Makefile.in
@@ -345,7 +345,7 @@ libexecsubdir :=
$(libexecdir)/gcc/$(real_target_noncanonical)/$(gcc_version)$(a
AM_CPPFLAGS = -I$(top_srcdir)/../include $(DEFS)
AM_CFLAGS = @ac_lto_plugin_warn_cflags@ $(CET_HOST_FLAGS)
-DBASE_VERSION='"$(gcc_version)"'
# The plug-in depends on pthreads.
-AM_LDFLAGS = -pthread @ac_lto_plugin_ldflags@
+AM_LDFLAGS = @ac_lto_plugin_ldflags@
AM_LIBTOOLFLAGS = --tag=disable-static
libexecsub_LTLIBRARIES = liblto_plugin.la
in_gcc_libs = $(foreach lib, $(libexecsub_LTLIBRARIES),
$(gcc_build_dir)/$(lib))
diff --git a/lto-plugin/configure b/lto-plugin/configure
index 870e49b2e62..0967ba1c798 100755
--- a/lto-plugin/configure
+++ b/lto-plugin/configure
@@ -6023,6 +6023,8 @@ case $target in
esac
if test x$use_locking = xyes; then
+ LDFLAGS="$LDFLAGS -pthread"
+
ac_fn_c_check_header_mongrel "$LINENO" "pthread.h" "ac_cv_header_pthread_h"
"$ac_includes_default"
if test "x$ac_cv_header_pthread_h" = xyes; then :
@@ -12104,7 +12106,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 12107 "configure"
+#line 12109 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -12210,7 +12212,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 12213 "configure"
+#line 12215 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
diff --git a/lto-plugin/configure.ac b/lto-plugin/configure.ac
index 18eb4f60b0a..a350aa56a8b 100644
--- a/lto-plugin/configure.ac
+++ b/lto-plugin/configure.ac
@@ -100,6 +100,8 @@ case $target in
esac
if test x$use_locking = xyes; then
+ LDFLAGS="$LDFLAGS -pthread"
+
AC_CHECK_HEADER(pthread.h,
[AC_DEFINE(HAVE_PTHREAD_LOCKING, 1, [Define if the system provides pthread
locking mechanism.])])
fi
--
2.37.0