http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49533
Summary: Firefox profiled build issues
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: mar...@trippelsdorf.de
Created attachment 24602
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24602
ipa-pure-const.c fix
The latest Firefox from http://hg.mozilla.org/mozilla-central/ fails
to build during a profiled-build.
/usr/bin/python2.7 /var/tmp/mozilla-central/js/src/config/pythonpath.py
-I../config /var/tmp/mozilla-central/js/src/config/expandlibs_exec.py --uselist
-- c++ -o js -fno-rtti -fno-exceptions -Wall -Wpointer-arith
-Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor
-Wcast-align -Wno-invalid-offsetof -Wno-variadic-macros -Werror=return-type
-pedantic -Wno-long-long -march=native -ffunction-sections -fdata-sections
-fno-strict-aliasing -pthread -pipe -DNDEBUG -DTRIMMED -fprofile-generate -O3
js.o jsworkers.o -lpthread
-Wl,-O1,--hash-style=gnu,--as-needed,--no-keep-memory,--gc-sections,--icf=all,--icf-iterations=3
-fprofile-generate -Wl,-rpath-link,/bin
-Wl,-rpath-link,/var/tmp/mozilla-central/moz-build-dir/dist/lib
-L../../../dist/bin -L../../../dist/lib
-L/var/tmp/mozilla-central/moz-build-dir/dist/lib -lplds4 -lplc4 -lnspr4
-lpthread -ldl ../editline/libeditline.a ../libjs_static.a -ldl
/var/tmp/mozilla-central/moz-build-dir/js/src/shell/jsworkers.o:jsworkers.cpp:function
js::workers::Worker::processOneEvent(): warning: relocation refers to discarded
section
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld:
error: hidden symbol 'JSAutoRequest::~JSAutoRequest()' is not defined locally
/var/tmp/mozilla-central/moz-build-dir/js/src/shell/jsworkers.o:jsworkers.cpp:function
js::workers::ThreadPool::start(JSContext*): warning: relocation refers to
discarded section
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld:
error: hidden symbol 'JSAutoSuspendRequest::JSAutoSuspendRequest(JSContext*)'
is not defined locally
../libjs_static.a(jsapi.o):jsapi.cpp:function StartRequest(JSContext*):
warning: relocation refers to discarded section
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld:
error: hidden symbol 'js::AutoLockGC::~AutoLockGC()' is not defined locally
../libjs_static.a(jsapi.o):jsapi.cpp:function StopRequest(JSContext*): warning:
relocation refers to discarded section
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld:
error: hidden symbol 'js::AutoLockGC::~AutoLockGC()' is not defined locally
../libjs_static.a(jsapi.o):jsapi.cpp:function JS_ConvertArgumentsVA: warning:
relocation refers to discarded section
...
This is caused by commit 8c1fce46fc and the attached patch fixes this.
Even with this patch applied, libxul fails to link later:
usr/bin/python2.7 /var/tmp/mozilla-central/config/pythonpath.py -I../../config
/var/tmp/mozilla-central/config/expandlibs_exec.py --uselist -- c++ -fno-rtti
-fno-exceptions -Wall -Wpointer-arith -Woverloaded-virtual -Wsynth
-Wno-ctor-dtor-privacy -Wno-non-virtual-dtor -Wcast-align -Wno-invalid-offsetof
-Wno-variadic-macros -Werror=return-type -pedantic -Wno-long-long -march=native
-ffunction-sections -fdata-sections -fno-strict-aliasing -std=gnu++0x -pthread
-pipe -DNDEBUG -DTRIMMED -fprofile-generate -O3 -fPIC -shared -Wl,-z,defs
-Wl,-h,libxul.so -o libxul.so nsStaticXULComponents.o nsUnicharUtils.o
nsBidiUtils.o nsRDFResource.o -lpthread
-Wl,-O1,--hash-style=gnu,--as-needed,--no-keep-memory,--gc-sections,--icf=all,--icf-iterations=3
-fprofile-generate
-Wl,-rpath-link,/var/tmp/mozilla-central/moz-build-dir/dist/bin
-Wl,-rpath-link,/usr/lib ../../toolkit/xre/libxulapp_s.a
../../staticlib/components/libnecko.a ../../staticlib/components/libuconv.a
../../staticlib/components/libi18n.a ../../staticlib/components/libchardet.a
../../staticlib/components/libjar50.a
../../staticlib/components/libstartupcache.a
../../staticlib/components/libpref.a ../../staticlib/components/libhtmlpars.a
../../staticlib/components/libimglib2.a ../../staticlib/components/libgkgfx.a
../../staticlib/components/libgklayout.a
../../staticlib/components/libdocshell.a
../../staticlib/components/libembedcomponents.a
../../staticlib/components/libwebbrwsr.a
../../staticlib/components/libnsappshell.a
../../staticlib/components/libtxmgr.a
../../staticlib/components/libcommandlines.a
../../staticlib/components/libtoolkitcomps.a
../../staticlib/components/libpipboot.a ../../staticlib/components/libpipnss.a
../../staticlib/components/libappcomps.a
../../staticlib/components/libcomposer.a
../../staticlib/components/libjetpack_s.a
../../staticlib/components/libtelemetry.a
../../staticlib/components/libjsctypes.a ../../staticlib/components/libjsperf.a
../../staticlib/components/libgkplugin.a
../../staticlib/components/libunixproxy.a ../../staticlib/components/libjsd.a
../../staticlib/components/libautoconfig.a ../../staticlib/components/libauth.a
../../staticlib/components/libcookie.a
../../staticlib/components/libpermissions.a
../../staticlib/components/libuniversalchardet.a
../../staticlib/components/librdf.a ../../staticlib/components/libwindowds.a
../../staticlib/components/libfileview.a
../../staticlib/components/libstoragecomps.a
../../staticlib/components/libplaces.a
../../staticlib/components/libtkautocomplete.a
../../staticlib/components/libsatchel.a ../../staticlib/components/libpippki.a
../../staticlib/components/libwidget_gtk2.a
../../staticlib/components/libsystem-pref.a
../../staticlib/components/libimgicon.a
../../staticlib/components/libremoteservice.a
../../staticlib/components/libspellchecker.a
../../staticlib/components/libzipwriter.a
../../staticlib/components/libservices-crypto.a ../../staticlib/libjsipc_s.a
../../staticlib/libdomipc_s.a ../../staticlib/libdomplugins_s.a
../../staticlib/libmozipc_s.a ../../staticlib/libmozipdlgen_s.a
../../staticlib/libipcshell_s.a ../../staticlib/libgfx2d.a
../../staticlib/libgfxipc_s.a ../../staticlib/libxpcom_core.a
../../staticlib/libucvutil_s.a ../../staticlib/libchromium_s.a
../../staticlib/libmozreg_s.a ../../staticlib/libmorkreader_s.a
../../staticlib/libgtkxtbin.a ../../staticlib/libthebes.a
../../staticlib/libycbcr.a ../../staticlib/libangle.a
../../dist/lib/libmozsqlite3.a -L../../dist/bin -L../../dist/lib -ljpeg
../../modules/libimg/png/libmozpng.a ../../gfx/qcms/libmozqcms.a
/var/tmp/mozilla-central/moz-build-dir/dist/lib/libjs_static.a -L../../dist/bin
-L../../dist/lib -lcrmf -lsmime3 -lssl3 -lnss3 -lnssutil3 -lcairo -lpixman-1
-lfreetype -lfontconfig -L/usr/lib64 -lXrender -lcairo -lX11
../../gfx/harfbuzz/src/libmozharfbuzz.a ../../gfx/ots/src/libmozots.a -lz
-L/usr/lib -levent -lasound -lrt -L../../dist/bin -L../../dist/lib
-L/var/tmp/mozilla-central/moz-build-dir/dist/lib -lplds4 -lplc4 -lnspr4
-lpthread -ldl ../../dist/lib/libmozalloc.a -ldbus-1 -lpthread -lrt
-L/usr/lib64 -lX11 -lXext -pthread -lpangoft2-1.0 -lfreetype -lfontconfig
-lpangocairo-1.0 -lpango-1.0 -lcairo -lgobject-2.0 -lgmodule-2.0 -lgthread-2.0
-lrt -lglib-2.0 -pthread -lgtk-x11-2.0 -latk-1.0 -lgio-2.0 -lpangoft2-1.0
-lfreetype -lfontconfig -lgdk-x11-2.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lm
-lpango-1.0 -lcairo -lgobject-2.0 -lgmodule-2.0 -lpng14 -lgthread-2.0 -lrt
-lglib-2.0 -lXt -lgthread-2.0 -lfreetype -lz -lstartup-notification-1 -ldl
-lrt
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld:
error:
/var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../layout/ipc/RenderFrameParent.o:
requires dynamic reloc which may overflow at runtime; recompile with -fPIC
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld:
error:
/var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../content/events/src/nsEventStateManager.o:
requires dynamic reloc which may overflow at runtime; recompile with -fPIC
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld:
error:
/var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../content/xul/templates/src/nsRuleNetwork.o:
requires dynamic reloc which may overflow at runtime; recompile with -fPIC
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld:
error:
/var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../gfx/thebes/GLContextProviderGLX.o:
requires dynamic reloc which may overflow at runtime; recompile with -fPIC
/var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../intl/uconv/ucvlatin/nsUnicodeToUCS2BE.o:nsUnicodeToUCS2BE.cpp:function
vtable for nsUnicodeToUTF16BE: warning: relocation refers to discarded section
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld:
error: hidden symbol 'nsUnicodeToUTF16BE::~nsUnicodeToUTF16BE()' is not defined
locally
/var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../intl/uconv/ucvlatin/nsUnicodeToUCS2BE.o:nsUnicodeToUCS2BE.cpp:function
vtable for nsUnicodeToUTF16LE: warning: relocation refers to discarded section
/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld:
error: hidden symbol 'nsUnicodeToUTF16LE::~nsUnicodeToUTF16LE()' is not defined
locally
...
I haven't figured out the cause of this failure yet.
But please note that a normal (non pgo) build links just fine.
