commit b1228bbc64c4deff306439b9dea75bb64097120a
author Soby Mathew <soby.mathew@arm.com> Tue Dec 31 17:42:46 2024 +0000
committer Soby Mathew <soby.mathew@arm.com> Thu Jan 02 11:54:53 2025 +0000
tree cb7b47756a7d78f8df9ad9540ea32e99c70bc4de
parent dff05e151c11b98ad0b0bcacd0a1012a33e2d02d

build: add Wextra compile option

This patch add -Wextra compile option to RMM build. The
warning for implicit fallthrough is disabled as this is a
pattern used in the code. Couple of warnings triggered by
-Wextra are also fixed as part of the patch.


Change-Id: I7c0b815e5fadd3d45d4c72508df64d77f916d6d3
Signed-off-by: Soby Mathew <soby.mathew@arm.com>

toolchains/common.cmake

diff --git a/toolchains/common.cmake b/toolchains/common.cmake
index fe2f19c..0d6d55f 100644
--- a/toolchains/common.cmake
+++ b/toolchains/common.cmake
@@ -15,6 +15,7 @@
     string(APPEND CMAKE_${language}_FLAGS_INIT "-ffunction-sections ")
     string(APPEND CMAKE_${language}_FLAGS_INIT "-fdata-sections ")
     string(APPEND CMAKE_${language}_FLAGS_INIT "-Wall -Werror -Wstrict-overflow ")
+    string(APPEND CMAKE_${language}_FLAGS_INIT "-Wextra -Wno-implicit-fallthrough ")
     string(APPEND CMAKE_${language}_FLAGS_INIT "-gdwarf-4 ")
     string(APPEND CMAKE_${language}_FLAGS_INIT "-D_FORTIFY_SOURCE=2 ")
     string(APPEND CMAKE_${language}_FLAGS_DEBUG_INIT "-Og -Wnull-dereference ")