[coreboot-gerrit] Change in coreboot[master]: commonlib/helpers: Add alloca() macro

[Tim Wawrzynczak (Code Review)]

Tim Wawrzynczak has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/36387 )

Change subject: commonlib/helpers: Add alloca() macro
......................................................................

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 
---
M src/commonlib/include/commonlib/helpers.h
1 file changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/87/36387/1

diff --git a/src/commonlib/include/commonlib/helpers.h b/src/commonlib/include/commonlib/helpers.h
index 4429ea4..f3b71d7 100644
--- a/src/commonlib/include/commonlib/helpers.h
+++ b/src/commonlib/include/commonlib/helpers.h
@@ -137,4 +137,8 @@
 #define __unused __attribute__((unused))
 #endif

+#ifndef alloca
+#define alloca(x) __builtin_alloca(x)
+#endif
+
 #endif /* COMMONLIB_HELPERS_H */