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lto-plugin: use -pthread only for detected targets 

Use -pthread only if we are going to use pthread functionality.

	PR bootstrap/106156

lto-plugin/ChangeLog:

	* Makefile.am: Use ac_lto_plugin_extra_ldflags for AM_LDFLAGS.
	* configure.ac: Use AC_SUBST(ac_lto_plugin_extra_ldflags).
	* Makefile.in: Regenerate.
	* configure: Regenerate.
This commit is contained in:
Martin Liska 2022-07-14 09:51:33 +02:00
parent b0f02eeb90
commit 29f40a8047
4 changed files with 16 additions and 6 deletions
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3
lto-plugin/Makefile.am
View File

@ -9,8 +9,7 @@ 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@ @ac_lto_plugin_extra_ldflags@
AM_LIBTOOLFLAGS = --tag=disable-static
override CFLAGS := $(filter-out -fsanitize=address -fsanitize=hwaddress,$(CFLAGS))
override LDFLAGS := $(filter-out -fsanitize=address -fsanitize=hwaddress,$(LDFLAGS))

4
lto-plugin/Makefile.in
View File

@ -276,6 +276,7 @@ abs_top_builddir = @abs_top_builddir@
abs_top_srcdir = @abs_top_srcdir@
ac_ct_CC = @ac_ct_CC@
ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
ac_lto_plugin_extra_ldflags = @ac_lto_plugin_extra_ldflags@
ac_lto_plugin_ldflags = @ac_lto_plugin_ldflags@
ac_lto_plugin_warn_cflags = @ac_lto_plugin_warn_cflags@
accel_dir_suffix = @accel_dir_suffix@
@ -344,8 +345,7 @@ gcc_version := $(shell @get_gcc_base_ver@ $(top_srcdir)/../gcc/BASE-VER)
libexecsubdir := $(libexecdir)/gcc/$(real_target_noncanonical)/$(gcc_version)$(accel_dir_suffix)
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@ @ac_lto_plugin_extra_ldflags@
AM_LIBTOOLFLAGS = --tag=disable-static
libexecsub_LTLIBRARIES = liblto_plugin.la
in_gcc_libs = $(foreach lib, $(libexecsub_LTLIBRARIES), $(gcc_build_dir)/$(lib))

10
lto-plugin/configure vendored
View File

@ -650,6 +650,7 @@ LD
FGREP
SED
LIBTOOL
ac_lto_plugin_extra_ldflags
LTO_PLUGIN_USE_SYMVER_SUN_FALSE
LTO_PLUGIN_USE_SYMVER_SUN_TRUE
LTO_PLUGIN_USE_SYMVER_GNU_FALSE
@ -6012,6 +6013,7 @@ fi
# Check for thread headers.
use_locking=no
ac_lto_plugin_extra_ldflags=
case $target in
riscv*)
@ -6031,8 +6033,12 @@ $as_echo "#define HAVE_PTHREAD_LOCKING 1" >>confdefs.h
fi
ac_lto_plugin_extra_ldflags="-pthread"
fi
case `pwd` in
*\ * | *\ *)
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
@ -12104,7 +12110,7 @@ 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 12113 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -12210,7 +12216,7 @@ 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 12219 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H

5
lto-plugin/configure.ac
View File

@ -89,6 +89,7 @@ AM_CONDITIONAL(LTO_PLUGIN_USE_SYMVER_SUN, [test "x$lto_plugin_use_symver" = xsun
# Check for thread headers.
use_locking=no
ac_lto_plugin_extra_ldflags=
case $target in
riscv*)
@ -102,8 +103,12 @@ esac
if test x$use_locking = xyes; then
AC_CHECK_HEADER(pthread.h,
[AC_DEFINE(HAVE_PTHREAD_LOCKING, 1, [Define if the system provides pthread locking mechanism.])])
ac_lto_plugin_extra_ldflags="-pthread"
fi
AC_SUBST(ac_lto_plugin_extra_ldflags)
AM_PROG_LIBTOOL
ACX_LT_HOST_FLAGS
AC_SUBST(target_noncanonical)