Bugzilla bug 293438: use -fvisibility=hidden, without wrapped system
headers and without gcc_hidden.h, because we can't build on Linux x86-64 with the GCC visibility pragmas. r=bryner. git-svn-id: svn://10.0.0.236/trunk@173584 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
wtchang%redhat.com
parent
720c6e3fc5
commit
a04b387e63
73
mozilla/nsprpub/configure
vendored
73
mozilla/nsprpub/configure
vendored
@ -2628,8 +2628,19 @@ echo "$ac_t""$ac_cv_visibility_pragma" 1>&6
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#define HAVE_VISIBILITY_PRAGMA 1
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EOF
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VISIBILITY_FLAGS='-I$(dist_includedir)/system_wrappers -include $(topsrcdir)/config/gcc_hidden.h'
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WRAP_SYSTEM_INCLUDES=1
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# To work around a build problem on Linux x86-64 (Bugzilla bug
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# 293438), we use the -fvisibility=hidden flag. This flag is less
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# optimal than #pragma GCC visibility push(hidden) because the flag
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# assumes that symbols defined outside the current source file have
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# the default visibility. This has the advantage that we don't need
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# to wrap system header files, but has the disadvantage that calls
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# to hidden symbols defined in other source files cannot be
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# optimized by the compiler. The -fvisibility=hidden flag does
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# hide and export symbols correctly.
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#VISIBILITY_FLAGS='-I$(dist_includedir)/system_wrappers -include $(topsrcdir)/config/gcc_hidden.h'
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#WRAP_SYSTEM_INCLUDES=1
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VISIBILITY_FLAGS="-fvisibility=hidden"
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WRAP_SYSTEM_INCLUDES=
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fi
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fi
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fi # GNU_CC
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@ -2642,7 +2653,7 @@ do
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# Extract the first word of "$ac_prog", so it can be a program name with args.
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set dummy $ac_prog; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:2646: checking for $ac_word" >&5
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echo "configure:2657: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_path_PERL'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -2887,17 +2898,17 @@ EOF
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DSO_LDOPTS='-brtl -bnortllib -bM:SRE -bnoentry -bexpall -blibpath:/usr/lib:/lib'
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ac_safe=`echo "sys/atomic_op.h" | sed 'y%./+-%__p_%'`
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echo $ac_n "checking for sys/atomic_op.h""... $ac_c" 1>&6
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echo "configure:2891: checking for sys/atomic_op.h" >&5
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echo "configure:2902: checking for sys/atomic_op.h" >&5
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if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 2896 "configure"
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#line 2907 "configure"
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#include "confdefs.h"
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#include <sys/atomic_op.h>
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:2901: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:2912: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
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if test -z "$ac_err"; then
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rm -rf conftest*
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@ -3054,7 +3065,7 @@ EOF
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_DEBUG_FLAGS='-gdwarf-2 -O0'
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MKSHLIB='$(CCC) $(DSO_LDOPTS) -o $@'
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echo $ac_n "checking for gethostbyaddr in -lbind""... $ac_c" 1>&6
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echo "configure:3058: checking for gethostbyaddr in -lbind" >&5
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echo "configure:3069: checking for gethostbyaddr in -lbind" >&5
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ac_lib_var=`echo bind'_'gethostbyaddr | sed 'y%./+-%__p_%'`
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if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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@ -3062,7 +3073,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lbind $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 3066 "configure"
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#line 3077 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -3073,7 +3084,7 @@ int main() {
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gethostbyaddr()
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; return 0; }
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EOF
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if { (eval echo configure:3077: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:3088: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -4278,17 +4289,17 @@ EOF
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_OPTIMIZE_FLAGS="$_OPTIMIZE_FLAGS -Olimit 4000"
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ac_safe=`echo "machine/builtins.h" | sed 'y%./+-%__p_%'`
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echo $ac_n "checking for machine/builtins.h""... $ac_c" 1>&6
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echo "configure:4282: checking for machine/builtins.h" >&5
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echo "configure:4293: checking for machine/builtins.h" >&5
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if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 4287 "configure"
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#line 4298 "configure"
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#include "confdefs.h"
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#include <machine/builtins.h>
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:4292: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:4303: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
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if test -z "$ac_err"; then
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rm -rf conftest*
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@ -4830,7 +4841,7 @@ case $target in
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;;
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*)
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echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
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echo "configure:4834: checking for dlopen in -ldl" >&5
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echo "configure:4845: checking for dlopen in -ldl" >&5
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ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
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if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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@ -4838,7 +4849,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-ldl $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 4842 "configure"
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#line 4853 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -4849,7 +4860,7 @@ int main() {
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dlopen()
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; return 0; }
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EOF
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if { (eval echo configure:4853: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:4864: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -4866,17 +4877,17 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
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echo "$ac_t""yes" 1>&6
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ac_safe=`echo "dlfcn.h" | sed 'y%./+-%__p_%'`
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echo $ac_n "checking for dlfcn.h""... $ac_c" 1>&6
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echo "configure:4870: checking for dlfcn.h" >&5
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echo "configure:4881: checking for dlfcn.h" >&5
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if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 4875 "configure"
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#line 4886 "configure"
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#include "confdefs.h"
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#include <dlfcn.h>
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:4880: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:4891: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
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if test -z "$ac_err"; then
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rm -rf conftest*
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@ -4909,13 +4920,13 @@ esac
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if test $ac_cv_prog_gcc = yes; then
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echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&6
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echo "configure:4913: checking whether ${CC-cc} needs -traditional" >&5
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echo "configure:4924: checking whether ${CC-cc} needs -traditional" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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ac_pattern="Autoconf.*'x'"
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cat > conftest.$ac_ext <<EOF
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#line 4919 "configure"
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#line 4930 "configure"
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#include "confdefs.h"
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#include <sgtty.h>
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Autoconf TIOCGETP
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@ -4933,7 +4944,7 @@ rm -f conftest*
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if test $ac_cv_prog_gcc_traditional = no; then
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cat > conftest.$ac_ext <<EOF
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#line 4937 "configure"
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#line 4948 "configure"
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#include "confdefs.h"
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#include <termio.h>
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Autoconf TCGETA
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@ -4957,12 +4968,12 @@ fi
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for ac_func in lchown strerror
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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echo "configure:4961: checking for $ac_func" >&5
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echo "configure:4972: checking for $ac_func" >&5
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if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 4966 "configure"
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#line 4977 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -4985,7 +4996,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:4989: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:5000: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -5026,7 +5037,7 @@ hpux*)
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if test -z "$GNU_CC"; then
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echo $ac_n "checking for +Olit support""... $ac_c" 1>&6
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echo "configure:5030: checking for +Olit support" >&5
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echo "configure:5041: checking for +Olit support" >&5
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if eval "test \"`echo '$''{'ac_cv_hpux_usable_olit_option'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -5060,7 +5071,7 @@ esac
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echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
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echo "configure:5064: checking for pthread_create in -lpthreads" >&5
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echo "configure:5075: checking for pthread_create in -lpthreads" >&5
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echo "
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#include <pthread.h>
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void *foo(void *v) { return v; }
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@ -5082,7 +5093,7 @@ echo "
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echo "$ac_t""no" 1>&6
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echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
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echo "configure:5086: checking for pthread_create in -lpthread" >&5
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echo "configure:5097: checking for pthread_create in -lpthread" >&5
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echo "
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#include <pthread.h>
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void *foo(void *v) { return v; }
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@ -5104,7 +5115,7 @@ echo "
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echo "$ac_t""no" 1>&6
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echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
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echo "configure:5108: checking for pthread_create in -lc_r" >&5
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echo "configure:5119: checking for pthread_create in -lc_r" >&5
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echo "
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#include <pthread.h>
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void *foo(void *v) { return v; }
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@ -5126,7 +5137,7 @@ echo "
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echo "$ac_t""no" 1>&6
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echo $ac_n "checking for pthread_create in -lc""... $ac_c" 1>&6
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echo "configure:5130: checking for pthread_create in -lc" >&5
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echo "configure:5141: checking for pthread_create in -lc" >&5
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echo "
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#include <pthread.h>
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void *foo(void *v) { return v; }
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@ -5278,7 +5289,7 @@ if test -n "$USE_PTHREADS"; then
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rm -f conftest*
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ac_cv_have_dash_pthread=no
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echo $ac_n "checking whether ${CC-cc} accepts -pthread""... $ac_c" 1>&6
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echo "configure:5282: checking whether ${CC-cc} accepts -pthread" >&5
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echo "configure:5293: checking whether ${CC-cc} accepts -pthread" >&5
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echo 'int main() { return 0; }' | cat > conftest.c
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${CC-cc} -pthread -o conftest conftest.c > conftest.out 2>&1
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if test $? -eq 0; then
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@ -5301,7 +5312,7 @@ echo "configure:5282: checking whether ${CC-cc} accepts -pthread" >&5
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ac_cv_have_dash_pthreads=no
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if test "$ac_cv_have_dash_pthread" = "no"; then
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echo $ac_n "checking whether ${CC-cc} accepts -pthreads""... $ac_c" 1>&6
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echo "configure:5305: checking whether ${CC-cc} accepts -pthreads" >&5
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echo "configure:5316: checking whether ${CC-cc} accepts -pthreads" >&5
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echo 'int main() { return 0; }' | cat > conftest.c
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${CC-cc} -pthreads -o conftest conftest.c > conftest.out 2>&1
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if test $? -eq 0; then
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@ -524,8 +524,19 @@ EOF
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])
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if test "$ac_cv_visibility_pragma" = "yes"; then
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AC_DEFINE(HAVE_VISIBILITY_PRAGMA)
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VISIBILITY_FLAGS='-I$(dist_includedir)/system_wrappers -include $(topsrcdir)/config/gcc_hidden.h'
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WRAP_SYSTEM_INCLUDES=1
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# To work around a build problem on Linux x86-64 (Bugzilla bug
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# 293438), we use the -fvisibility=hidden flag. This flag is less
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# optimal than #pragma GCC visibility push(hidden) because the flag
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# assumes that symbols defined outside the current source file have
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# the default visibility. This has the advantage that we don't need
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# to wrap system header files, but has the disadvantage that calls
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# to hidden symbols defined in other source files cannot be
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# optimized by the compiler. The -fvisibility=hidden flag does
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# hide and export symbols correctly.
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#VISIBILITY_FLAGS='-I$(dist_includedir)/system_wrappers -include $(topsrcdir)/config/gcc_hidden.h'
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#WRAP_SYSTEM_INCLUDES=1
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VISIBILITY_FLAGS="-fvisibility=hidden"
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WRAP_SYSTEM_INCLUDES=
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fi
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fi
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fi # GNU_CC
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