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On 26 Nov 2014 15:14, Joseph Myers wrote: > This patch fixes a warning > > ../include/features.h:328:4: warning: #warning _FORTIFY_SOURCE requires compiling with optimization (-O) [-Wcpp] > > seen when building for ARM. This warning comes from libc-do-syscall.S > being built for nscd: the nscd build uses _FORTIFY_SOURCE, while .S > files aren't built with -O, and the combination produces a warning. > As _FORTIFY_SOURCE doesn't do anything for .S files, undefining it in > libc-do-syscall.S seems the simplest solution. should we update features.h to avoid that define when __ASSEMBLER__ is defined ? seems like this warning can impact external code too. -mike
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