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authorMichal Marek <[email protected]>2011-05-02 12:51:15 +0200
committerMichal Marek <[email protected]>2011-05-03 10:50:54 +0200
commit8417da6f2128008c431c7d130af6cd3d9079922e (patch)
tree79bfdaadfc1548826651b9b0378e70e60cdc7720 /lib/mpi/mpiutil.c
parentbffd2020a972a188750e5cf4b9566950dfdf25a2 (diff)
kbuild: Fix passing -Wno-* options to gcc 4.4+
Starting with 4.4, gcc will happily accept -Wno-<anything> in the cc-option test and complain later when compiling a file that has some other warning. This rather unexpected behavior is intentional as per http://gcc.gnu.org/PR28322, so work around it by testing for support of the opposite option (without the no-). Introduce a new Makefile function cc-disable-warning that does this and update two uses of cc-option in the toplevel Makefile. Reported-and-tested-by: Stephen Rothwell <[email protected]> Signed-off-by: Michal Marek <[email protected]>
Diffstat (limited to 'lib/mpi/mpiutil.c')
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