path: root/docs
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authorHarry Liebel <Harry.Liebel@arm.com>2013-12-20 18:51:12 +0000
committerDan Handley <dan.handley@arm.com>2014-01-17 10:27:52 +0000
commit0af6d64df3dc2633058ad481fb5c64c09945cf60 (patch)
treeb1b3b8feee079cf8cc2d63ed9adf06318ab3031e /docs
parentbdb774df31a2a25604aa1331690c9b63353809f5 (diff)
Do not let GCC use built-in functions
In order to reduce the software dependency on the compiler, the project is now compiled with the '-ffreestanding' flag. This is to prevent GCC from replacing functions with more optimised versions. An example is where GCC replaces a simple printf() with a puts(). Change-Id: I1973fe6957cd708e8432a0039af9d50e037bd884
Diffstat (limited to 'docs')
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/change-log.md b/docs/change-log.md
index 08d1854..b400ac7 100644
--- a/docs/change-log.md
+++ b/docs/change-log.md
@@ -82,6 +82,9 @@ Detailed changes since last release
Implementations for `putchar()` and `strchr()` were added to the local C
+* GCC compiler built-in function support has been disabled in order to improve
+ compiler independence.
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