Makefile: Add default warning flags
The flags are taken from the different warning levels of the build
system when they do not generate any error with the current upstreamed
platforms.
Change-Id: Ia70cff83bedefb6d2f0dd266394ef77fe47e7f65
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>
diff --git a/Makefile b/Makefile
index 976f514..2e5ca30 100644
--- a/Makefile
+++ b/Makefile
@@ -193,23 +193,19 @@
ASFLAGS_aarch64 = $(march64-directive)
WARNING1 := -Wextra
-WARNING1 += -Wunused -Wno-unused-parameter
WARNING1 += -Wmissing-declarations
WARNING1 += -Wmissing-format-attribute
WARNING1 += -Wmissing-prototypes
WARNING1 += -Wold-style-definition
-WARNING1 += -Wunused-but-set-variable
WARNING1 += -Wunused-const-variable
WARNING2 := -Waggregate-return
WARNING2 += -Wcast-align
-WARNING2 += -Wdisabled-optimization
WARNING2 += -Wnested-externs
WARNING2 += -Wshadow
WARNING2 += -Wlogical-op
WARNING2 += -Wmissing-field-initializers
WARNING2 += -Wsign-compare
-WARNING2 += -Wmaybe-uninitialized
WARNING3 := -Wbad-function-cast
WARNING3 += -Wcast-qual
@@ -219,8 +215,6 @@
WARNING3 += -Wpointer-arith
WARNING3 += -Wredundant-decls
WARNING3 += -Wswitch-default
-WARNING3 += -Wpacked-bitfield-compat
-WARNING3 += -Wvla
ifeq (${W},1)
WARNINGS := $(WARNING1)
@@ -230,6 +224,16 @@
WARNINGS := $(WARNING1) $(WARNING2) $(WARNING3)
endif
+WARNINGS += -Wunused -Wno-unused-parameter \
+ -Wdisabled-optimization \
+ -Wvla
+
+ifeq ($(findstring clang,$(notdir $(CC))),)
+WARNINGS += -Wunused-but-set-variable \
+ -Wmaybe-uninitialized \
+ -Wpacked-bitfield-compat
+endif
+
ifneq (${E},0)
ERRORS := -Werror
endif