Makefile.uk: Don't add unsupported warnings when built with clang

GitHub-Fixes: unikraft#1 Co-authored-by: Nikos Oikonomou <[email protected]> Signed-off-by: Nikos Oikonomou <[email protected]> Signed-off-by: Groute <[email protected]>
iAmGroute · Mar 31, 2023 · 6bbb7a2 · 6bbb7a2
1 parent 60ba9f5
commit 6bbb7a2
Showing 1 changed file with 12 additions and 1 deletion.
diff --git a/Makefile.uk b/Makefile.uk
@@ -41,6 +41,14 @@ $(error Require libunwind)
 endif
 endif
 
+CLANG_CHECK = 0
+cc-name = $(shell $(CC) -v 2>&1 | grep -q "clang version" && echo clang || echo gcc)
+ifeq ($(cc-name), clang)
+CLANG_CHECK = 1
+endif
+export CLANG_CHECK
+
+
 ################################################################################
 # Sources
 ################################################################################
@@ -71,7 +79,10 @@ CXXINCLUDES-$(CONFIG_LIBCOMPILER_RT) += -I$(LIBCOMPILER_RT_SRC)/include
 # Global flags
 ################################################################################
 
-LIBCOMPILER_RT_SUPPRESS_FLAGS += -Wno-unused-parameter -Wno-builtin-declaration-mismatch
+ifeq ($(CLANG_CHECK), 0)
+LIBCOMPILER_RT_SUPPRESS_FLAGS += -Wno-unused-but-set-variable -Wno-maybe-uninitialized -Wno-builtin-declaration-mismatch
+endif
+LIBCOMPILER_RT_SUPPRESS_FLAGS += -Wno-unused-parameter
 LIBCOMPILER_RT_CFLAGS-y   += $(LIBCOMPILER_RT_SUPPRESS_FLAGS)
 LIBCOMPILER_RT_CXXFLAGS-y += $(LIBCOMPILER_RT_SUPPRESS_FLAGS)