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commonlib/helpers: Add alloca() macro 

If there is no alloca() macro defined, then define it as
__builtin_alloca(), as most compilers support that as an intrinsic
instead, if no alloca.h is included.

Change-Id: I8730d57ce7c2f323b52e7a5720c598fb7af16b44
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36387
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Tim Wawrzynczak 2019-10-27 14:02:10 -06:00 committed by Patrick Georgi
parent 776da0872e
commit eef992deac
1 changed files with 4 additions and 0 deletions
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4
src/commonlib/include/commonlib/helpers.h
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@ -137,4 +137,8 @@
#define __unused __attribute__((unused)) #define __unused __attribute__((unused))
#endif #endif
#ifndef alloca
#define alloca(x) __builtin_alloca(x)
#endif
#endif /* COMMONLIB_HELPERS_H */ #endif /* COMMONLIB_HELPERS_H */