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libgo: use -Wc,-shared-libgcc on Solaris

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Patch from Rainer Orth.

For GCC PR go/64900

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/731482
This commit is contained in:
Ian Lance Taylor
2025-12-19 11:17:48 -08:00
parent 68501f9d89
commit 15f7c58961
6 changed files with 28 additions and 5 deletions
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2
gcc/go/gofrontend/MERGE
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@@ -1,4 +1,4 @@
ace35ffba59c926d401a6d3f918bd3c85f48c8fd 6e421340885c87c4987f27be4a16b7bedb86faaa
The first line of this file holds the git revision number of the last The first line of this file holds the git revision number of the last
merge done from the gofrontend repository. merge done from the gofrontend repository.

3
libgo/Makefile.am
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@@ -837,7 +837,8 @@ libgo_go_objs = \
$(golangorg_x_sys_cpu_gccgo_x86_lo) $(golangorg_x_sys_cpu_gccgo_x86_lo)
libgo_ldflags = \ libgo_ldflags = \
-version-info $(libtool_VERSION) $(PTHREAD_CFLAGS) $(AM_LDFLAGS) -version-info $(libtool_VERSION) $(PTHREAD_CFLAGS) $(AM_LDFLAGS) \
$(OSLDFLAGS)
libgo_libadd = \ libgo_libadd = \
$(libgo_go_objs) ../libbacktrace/libbacktrace.la \ $(libgo_go_objs) ../libbacktrace/libbacktrace.la \

4
libgo/Makefile.in
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@@ -453,6 +453,7 @@ OBJCOPY = @OBJCOPY@
OBJDUMP = @OBJDUMP@ OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@ OBJEXT = @OBJEXT@
OSCFLAGS = @OSCFLAGS@ OSCFLAGS = @OSCFLAGS@
OSLDFLAGS = @OSLDFLAGS@
OTOOL = @OTOOL@ OTOOL = @OTOOL@
OTOOL64 = @OTOOL64@ OTOOL64 = @OTOOL64@
PACKAGE = @PACKAGE@ PACKAGE = @PACKAGE@
@@ -972,7 +973,8 @@ libgo_go_objs = \
$(golangorg_x_sys_cpu_gccgo_x86_lo) $(golangorg_x_sys_cpu_gccgo_x86_lo)
libgo_ldflags = \ libgo_ldflags = \
-version-info $(libtool_VERSION) $(PTHREAD_CFLAGS) $(AM_LDFLAGS) -version-info $(libtool_VERSION) $(PTHREAD_CFLAGS) $(AM_LDFLAGS) \
$(OSLDFLAGS)
libgo_libadd = \ libgo_libadd = \
$(libgo_go_objs) ../libbacktrace/libbacktrace.la \ $(libgo_go_objs) ../libbacktrace/libbacktrace.la \

14
libgo/configure vendored
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@@ -658,6 +658,7 @@ GO_SPLIT_STACK
USING_SPLIT_STACK_FALSE USING_SPLIT_STACK_FALSE
USING_SPLIT_STACK_TRUE USING_SPLIT_STACK_TRUE
SPLIT_STACK SPLIT_STACK
OSLDFLAGS
HWCAP_CFLAGS HWCAP_CFLAGS
OSCFLAGS OSCFLAGS
GO_SYSCALL_OS_ARCH_FILE GO_SYSCALL_OS_ARCH_FILE
@@ -11547,7 +11548,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF cat > conftest.$ac_ext <<_LT_EOF
#line 11550 "configure" #line 11551 "configure"
#include "confdefs.h" #include "confdefs.h"
#if HAVE_DLFCN_H #if HAVE_DLFCN_H
@@ -11653,7 +11654,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF cat > conftest.$ac_ext <<_LT_EOF
#line 11656 "configure" #line 11657 "configure"
#include "confdefs.h" #include "confdefs.h"
#if HAVE_DLFCN_H #if HAVE_DLFCN_H
@@ -14457,6 +14458,15 @@ $as_echo "$ac_hwcap_flags" >&6; }
case "$target" in
*86*-*-solaris2.*)
# Link with -shared-libgcc on Solaris 11+/x86 as a workaround for
# PR go/64900.
OSLDFLAGS="-Wc,-shared-libgcc"
;;
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -fsplit-stack is supported" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -fsplit-stack is supported" >&5
$as_echo_n "checking whether -fsplit-stack is supported... " >&6; } $as_echo_n "checking whether -fsplit-stack is supported... " >&6; }
if ${libgo_cv_c_split_stack_supported+:} false; then : if ${libgo_cv_c_split_stack_supported+:} false; then :

9
libgo/configure.ac
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@@ -442,6 +442,15 @@ AC_SUBST(OSCFLAGS)
dnl Check if assembler supports disabling hardware capability support. dnl Check if assembler supports disabling hardware capability support.
GCC_CHECK_ASSEMBLER_HWCAP GCC_CHECK_ASSEMBLER_HWCAP
case "$target" in
*86*-*-solaris2.*)
# Link with -shared-libgcc on Solaris 11+/x86 as a workaround for
# PR go/64900.
OSLDFLAGS="-Wc,-shared-libgcc"
;;
esac
AC_SUBST(OSLDFLAGS)
dnl Use -fsplit-stack when compiling C code if available. dnl Use -fsplit-stack when compiling C code if available.
AC_CACHE_CHECK([whether -fsplit-stack is supported], AC_CACHE_CHECK([whether -fsplit-stack is supported],
[libgo_cv_c_split_stack_supported], [libgo_cv_c_split_stack_supported],

1
libgo/testsuite/Makefile.in
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@@ -202,6 +202,7 @@ OBJCOPY = @OBJCOPY@
OBJDUMP = @OBJDUMP@ OBJDUMP = @OBJDUMP@
OBJEXT = @OBJEXT@ OBJEXT = @OBJEXT@
OSCFLAGS = @OSCFLAGS@ OSCFLAGS = @OSCFLAGS@
OSLDFLAGS = @OSLDFLAGS@
OTOOL = @OTOOL@ OTOOL = @OTOOL@
OTOOL64 = @OTOOL64@ OTOOL64 = @OTOOL64@
PACKAGE = @PACKAGE@ PACKAGE = @PACKAGE@