Firefox build failure on -CURRENT (with CLANG and with GCC)
flo at smeets.im
Thu Nov 22 12:24:11 UTC 2012
On 11/22/2012 13:02, Stefan Esser wrote:
> Hi Florian,
> seems that Firefox cannot be built with CLANG. The build fails due to a
> visibility default set in mozilla-release/config/gcc_hidden.h, which is
> in conflict with Qt declarations:
> In file included from
> In file included from /usr/local/include/qt4/QtCore/QString:1:
> In file included from /usr/local/include/qt4/QtCore/qstring.h:46:
> /usr/local/include/qt4/QtCore/qbytearray.h:143:7: error: visibility does
> not match previous declaration
> class Q_CORE_EXPORT QByteArray
> /usr/local/include/qt4/QtCore/qglobal.h:1412:27: note: expanded from
> macro 'Q_CORE_EXPORT'
> # define Q_CORE_EXPORT Q_DECL_EXPORT
> /usr/local/include/qt4/QtCore/qglobal.h:1269:42: note: expanded from
> macro 'Q_DECL_EXPORT'
> # define Q_DECL_EXPORT __attribute__((visibility("default")))
> ../../../config/gcc_hidden.h:6:13: note: previous attribute is here
> #pragma GCC visibility push(hidden)
> Seems that this GCC pragma has different semantics in GLANG ...
> If the contents of gcc_hidden.h is commented out, CLANG completes the
> build, but the installation fails in the phase where hyphenation tables
> are built:
> Any ideas how to get Firefox compiled and installed on -CURRENT?
Yes, don't use the experimental QT4 option. :) Firefox builds just fine
on head with clang and the default options, that's what I'm using here
We'll have to look into the QT4 failure.
Thanks for the report.
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