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commit d099acd
Author: Trevor Saunders <trev.saunders@gmail.com>
Date: Fri Jan 17 15:08:00 2014 -0800
Bug 961264 - Remove obsolete checks for gcc visibility stuff.
---
configure.in | 115 +++-------------------------------------------------
js/src/configure.in | 111 ++------------------------------------------------
2 files changed, 8 insertions(+), 218 deletions(-)
diff --git configure.in configure.in
index dfb8193..33d71b3 100644
--- configure.in
+++ configure.in
@@ -2507,118 +2507,15 @@ MOZ_CXX11
AC_LANG_C
-dnl Check for .hidden assembler directive and visibility attribute.
-dnl Borrowed from glibc configure.in
+dnl Setup default hidden visibility and wrapped system headers.
dnl ===============================================================
if test "$GNU_CC"; then
- AC_CACHE_CHECK(for visibility(hidden) attribute,
- ac_cv_visibility_hidden,
- [cat > conftest.c <<EOF
- int foo __attribute__ ((visibility ("hidden"))) = 1;
-EOF
- ac_cv_visibility_hidden=no
- if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
- if egrep '\.(hidden|private_extern).*foo' conftest.s >/dev/null; then
- ac_cv_visibility_hidden=yes
- fi
- fi
- rm -f conftest.[cs]
- ])
- if test "$ac_cv_visibility_hidden" = "yes"; then
- AC_DEFINE(HAVE_VISIBILITY_HIDDEN_ATTRIBUTE)
-
- AC_CACHE_CHECK(for visibility(default) attribute,
- ac_cv_visibility_default,
- [cat > conftest.c <<EOF
- int foo __attribute__ ((visibility ("default"))) = 1;
-EOF
- ac_cv_visibility_default=no
- if ${CC-cc} -fvisibility=hidden -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
- if ! egrep '\.(hidden|private_extern).*foo' conftest.s >/dev/null; then
- ac_cv_visibility_default=yes
- fi
- fi
- rm -f conftest.[cs]
- ])
- if test "$ac_cv_visibility_default" = "yes"; then
- AC_DEFINE(HAVE_VISIBILITY_ATTRIBUTE)
-
- AC_CACHE_CHECK(for visibility pragma support,
- ac_cv_visibility_pragma,
- [cat > conftest.c <<EOF
-#pragma GCC visibility push(hidden)
- int foo_hidden = 1;
-#pragma GCC visibility push(default)
- int foo_default = 1;
-EOF
- ac_cv_visibility_pragma=no
- if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
- if egrep '\.(hidden|private_extern).*foo_hidden' conftest.s >/dev/null; then
- if ! egrep '\.(hidden|private_extern).*foo_default' conftest.s > /dev/null; then
- ac_cv_visibility_pragma=yes
- fi
- fi
- fi
- rm -f conftest.[cs]
- ])
- if test "$ac_cv_visibility_pragma" = "yes"; then
- AC_CACHE_CHECK(For gcc visibility bug with class-level attributes (GCC bug 26905),
- ac_cv_have_visibility_class_bug,
- [cat > conftest.c <<EOF
-#pragma GCC visibility push(hidden)
-struct __attribute__ ((visibility ("default"))) TestStruct {
- static void Init();
-};
-__attribute__ ((visibility ("default"))) void TestFunc() {
- TestStruct::Init();
-}
-EOF
- ac_cv_have_visibility_class_bug=no
- if ! ${CXX-g++} ${CXXFLAGS} ${DSO_PIC_CFLAGS} ${DSO_LDOPTS} -S -o conftest.S conftest.c > /dev/null 2>&1 ; then
- ac_cv_have_visibility_class_bug=yes
- else
- if test `egrep -c '@PLT|\\$stub' conftest.S` = 0; then
- ac_cv_have_visibility_class_bug=yes
- fi
- fi
- rm -rf conftest.{c,S}
- ])
-
- AC_CACHE_CHECK(For x86_64 gcc visibility bug with builtins (GCC bug 20297),
- ac_cv_have_visibility_builtin_bug,
- [cat > conftest.c <<EOF
-#pragma GCC visibility push(hidden)
-#pragma GCC visibility push(default)
-#include <string.h>
-#pragma GCC visibility pop
-
-__attribute__ ((visibility ("default"))) void Func() {
- char c[[100]];
- memset(c, 0, sizeof(c));
-}
-EOF
- ac_cv_have_visibility_builtin_bug=no
- if ! ${CC-cc} ${CFLAGS} ${DSO_PIC_CFLAGS} ${DSO_LDOPTS} -O2 -S -o conftest.S conftest.c > /dev/null 2>&1 ; then
- ac_cv_have_visibility_builtin_bug=yes
- else
- if test `grep -c "@PLT" conftest.S` = 0; then
- ac_cv_visibility_builtin_bug=yes
- fi
- fi
- rm -f conftest.{c,S}
- ])
- if test "$ac_cv_have_visibility_builtin_bug" = "no" -a \
- "$ac_cv_have_visibility_class_bug" = "no"; then
- VISIBILITY_FLAGS='-I$(DIST)/system_wrappers -include $(topsrcdir)/config/gcc_hidden.h'
- WRAP_SYSTEM_INCLUDES=1
- STL_FLAGS='-I$(DIST)/stl_wrappers'
- WRAP_STL_INCLUDES=1
- else
- VISIBILITY_FLAGS='-fvisibility=hidden'
- fi # have visibility pragma bug
- fi # have visibility pragma
- fi # have visibility(default) attribute
- fi # have visibility(hidden) attribute
+ AC_DEFINE(HAVE_VISIBILITY_HIDDEN_ATTRIBUTE)
+ AC_DEFINE(HAVE_VISIBILITY_ATTRIBUTE)
+ VISIBILITY_FLAGS='-I$(DIST)/system_wrappers -include $(topsrcdir)/config/gcc_hidden.h'
+ WRAP_SYSTEM_INCLUDES=1
+ STL_FLAGS='-I$(DIST)/stl_wrappers'
+ WRAP_STL_INCLUDES=1
fi # GNU_CC
# visibility hidden flag for Sun Studio on Solaris
diff --git js/src/configure.in js/src/configure.in
index bddd46d..d4b522e 100644
--- js/src/configure.in
+++ js/src/configure.in
@@ -2348,116 +2348,13 @@ fi
AC_LANG_C
-dnl Check for .hidden assembler directive and visibility attribute.
-dnl Borrowed from glibc configure.in
+dnl Setup default hidden visibility and wrapped system headers.
dnl ===============================================================
if test "$GNU_CC"; then
- AC_CACHE_CHECK(for visibility(hidden) attribute,
- ac_cv_visibility_hidden,
- [cat > conftest.c <<EOF
- int foo __attribute__ ((visibility ("hidden"))) = 1;
-EOF
- ac_cv_visibility_hidden=no
- if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
- if egrep '\.(hidden|private_extern).*foo' conftest.s >/dev/null; then
- ac_cv_visibility_hidden=yes
- fi
- fi
- rm -f conftest.[cs]
- ])
- if test "$ac_cv_visibility_hidden" = "yes"; then
- AC_DEFINE(HAVE_VISIBILITY_HIDDEN_ATTRIBUTE)
-
- AC_CACHE_CHECK(for visibility(default) attribute,
- ac_cv_visibility_default,
- [cat > conftest.c <<EOF
- int foo __attribute__ ((visibility ("default"))) = 1;
-EOF
- ac_cv_visibility_default=no
- if ${CC-cc} -fvisibility=hidden -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
- if ! egrep '\.(hidden|private_extern).*foo' conftest.s >/dev/null; then
- ac_cv_visibility_default=yes
- fi
- fi
- rm -f conftest.[cs]
- ])
- if test "$ac_cv_visibility_default" = "yes"; then
- AC_DEFINE(HAVE_VISIBILITY_ATTRIBUTE)
-
- AC_CACHE_CHECK(for visibility pragma support,
- ac_cv_visibility_pragma,
- [cat > conftest.c <<EOF
-#pragma GCC visibility push(hidden)
- int foo_hidden = 1;
-#pragma GCC visibility push(default)
- int foo_default = 1;
-EOF
- ac_cv_visibility_pragma=no
- if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
- if egrep '\.(hidden|private_extern).*foo_hidden' conftest.s >/dev/null; then
- if ! egrep '\.(hidden|private_extern).*foo_default' conftest.s > /dev/null; then
- ac_cv_visibility_pragma=yes
- fi
- fi
- fi
- rm -f conftest.[cs]
- ])
- if test "$ac_cv_visibility_pragma" = "yes"; then
- AC_CACHE_CHECK(For gcc visibility bug with class-level attributes (GCC bug 26905),
- ac_cv_have_visibility_class_bug,
- [cat > conftest.c <<EOF
-#pragma GCC visibility push(hidden)
-struct __attribute__ ((visibility ("default"))) TestStruct {
- static void Init();
-};
-__attribute__ ((visibility ("default"))) void TestFunc() {
- TestStruct::Init();
-}
-EOF
- ac_cv_have_visibility_class_bug=no
- if ! ${CXX-g++} ${CXXFLAGS} ${DSO_PIC_CFLAGS} ${DSO_LDOPTS} -S -o conftest.S conftest.c > /dev/null 2>&1 ; then
- ac_cv_have_visibility_class_bug=yes
- else
- if test `egrep -c '@PLT|\\$stub' conftest.S` = 0; then
- ac_cv_have_visibility_class_bug=yes
- fi
- fi
- rm -rf conftest.{c,S}
- ])
-
- AC_CACHE_CHECK(For x86_64 gcc visibility bug with builtins (GCC bug 20297),
- ac_cv_have_visibility_builtin_bug,
- [cat > conftest.c <<EOF
-#pragma GCC visibility push(hidden)
-#pragma GCC visibility push(default)
-#include <string.h>
-#pragma GCC visibility pop
-
-__attribute__ ((visibility ("default"))) void Func() {
- char c[[100]];
- memset(c, 0, sizeof(c));
-}
-EOF
- ac_cv_have_visibility_builtin_bug=no
- if ! ${CC-cc} ${CFLAGS} ${DSO_PIC_CFLAGS} ${DSO_LDOPTS} -O2 -S -o conftest.S conftest.c > /dev/null 2>&1 ; then
- ac_cv_have_visibility_builtin_bug=yes
- else
- if test `grep -c "@PLT" conftest.S` = 0; then
- ac_cv_visibility_builtin_bug=yes
- fi
- fi
- rm -f conftest.{c,S}
- ])
- if test "$ac_cv_have_visibility_builtin_bug" = "no" -a \
- "$ac_cv_have_visibility_class_bug" = "no"; then
- VISIBILITY_FLAGS='-I$(DIST)/system_wrappers_js -include $(topsrcdir)/config/gcc_hidden.h'
- WRAP_SYSTEM_INCLUDES=1
- else
- VISIBILITY_FLAGS='-fvisibility=hidden'
- fi # have visibility pragma bug
- fi # have visibility pragma
- fi # have visibility(default) attribute
- fi # have visibility(hidden) attribute
+ AC_DEFINE(HAVE_VISIBILITY_HIDDEN_ATTRIBUTE)
+ AC_DEFINE(HAVE_VISIBILITY_ATTRIBUTE)
+ VISIBILITY_FLAGS='-I$(DIST)/system_wrappers_js -include $(topsrcdir)/config/gcc_hidden.h'
+ WRAP_SYSTEM_INCLUDES=1
fi # GNU_CC
# visibility hidden flag for Sun Studio on Solaris
|
