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Common BSD: Add --gc-sections ld flags

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As common bsd's are using the -ffunction-sections flags from
mkspecs/common/gcc-base.conf, also use the --gc-sections ld flags
like Linux as all are using GNU ld as their linker and all are
capable of using it. The last remaining problems with --gc-sections
removing the .name sections providing the OS tags for distinction of
the execution layer were solved with NetBSD 6.0 and OpenBSD 5.4, see
http://gnats.netbsd.org/40401 and http://www.openbsd.org/plus54.html
so this option can safely be used now to reduce the size of moc and rcc
tools.

Change-Id: I74ccd4f6bc607f6d82d32fc864875f26b26bf167
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Ralf Nolden 2016-06-15 18:19:39 +02:00
parent b07736c0bc
commit 792947da7e
1 changed files with 1 additions and 0 deletions
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mkspecs/common/bsd/bsd.conf
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@ -12,6 +12,7 @@ QMAKE_CFLAGS_THREAD = -pthread
QMAKE_CXXFLAGS_THREAD = $$QMAKE_CFLAGS_THREAD
QMAKE_LFLAGS_THREAD = -pthread
QMAKE_LFLAGS_GCSECTIONS = -Wl,--gc-sections
QMAKE_LIBS =
QMAKE_LIBS_DYNLOAD =