Bug 1004342

Summary: Firefox fails to build on Fedora 19/x86_64 - g++ does not export symbol with default visibility
Product: [Fedora] Fedora Reporter: Martin Stransky <stransky>
Component: gccAssignee: Jakub Jelinek <jakub>
Status: CLOSED EOL QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
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Version: 19CC: jakub, law
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Last Closed: 2015-02-17 17:03:39 UTC Type: Bug
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Description Martin Stransky 2013-09-04 12:54:51 UTC
Created attachment 793662 [details]
pre processed source file

Description of problem:

Firefox fails to build on Fedora 19/x86_64, ToNumberSlow symbol is not exported.

g++ -o jsnum.o -c  -fPIC -MD -MP -MF -Wall -Wpointer-arith -Woverloaded-virtual -Werror=return-type -Wtype-limits -Wempty-body -Werror=conversion-null -Wsign-compare -Wno-invalid-offsetof -Wcast-align -gdwarf-2 -fpermissive -fno-rtti -ffunction-sections -fdata-sections -fno-exceptions -fno-math-errno -std=gnu++0x -pthread -pipe  -g -fno-omit-frame-pointer  jsnum.in.cpp

jsnum.in.cpp is attached

__attribute__((visibility("default"))) bool
js::ToNumberSlow(JSContext *cx, Value v, double *out)
{
    return ToNumberSlow(static_cast<ExclusiveContext *>(cx), v, out);
}

is built as hidden:
0000000000000000 g     F .text._ZN2js12ToNumberSlowEP9JSContextN2JS5ValueEPd    000000000000002d .hidden js::ToNumberSlow(JSContext*, JS::Value, double*)

Version-Release number of selected component (if applicable):
gcc-4.8.1-1.fc19.x86_64

Comment 1 Martin Stransky 2013-09-05 12:23:12 UTC
Seems to by caused by first declaration of js::ToNumberSlow(). The function is marked as extern bool only there - see an upstream bug https://bugzilla.mozilla.org/show_bug.cgi?id=912959

Comment 2 Fedora End Of Life 2015-01-09 19:43:22 UTC
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Comment 3 Fedora End Of Life 2015-02-17 17:03:39 UTC
Fedora 19 changed to end-of-life (EOL) status on 2015-01-06. Fedora 19 is
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