diff --git a/Makefile b/Makefile
index 2c56f05..f18f927 100644
--- a/Makefile
+++ b/Makefile
@@ -20,13 +20,13 @@ bldtst: buildtest.c arch/*.c
 	gcc -static -nostdlib -Wno-builtin-declaration-mismatch -fno-stack-protector -o bldtst buildtest.c arch/*.c
 
 bldtst_llvm: buildtest.c arch/*.c
-	clang -nostdlib -static -fuse-ld=lld -fno-stack-protector -o bldtst_llvm buildtest.c arch/*.c
+	clang -nostdlib -Wno-incompatible-library-redeclaration -static -fuse-ld=lld -fno-stack-protector -o bldtst_llvm buildtest.c arch/*.c
 
 bldtst_x64: buildtest.c arch/x86_64.c
-	clang --target=x86_64-linux-gnu -nostdlib -static -fuse-ld=lld -fno-stack-protector -o bldtst_x64 buildtest.c arch/x86_64.c
+	clang --target=x86_64-linux-gnu -nostdlib -Wno-incompatible-library-redeclaration -static -fuse-ld=lld -fno-stack-protector -o bldtst_x64 buildtest.c arch/x86_64.c
 
 bldtst_aarch64: buildtest.c
-	clang --target=aarch64-linux-gnu -nostdlib -static -fuse-ld=lld -fno-stack-protector -o bldtst_aarch64 buildtest.c arch/aarch64.c
+	clang --target=aarch64-linux-gnu -nostdlib -Wno-incompatible-library-redeclaration -static -fuse-ld=lld -fno-stack-protector -o bldtst_aarch64 buildtest.c arch/aarch64.c
 
 bldtst_mips32: buildtest.c
-	clang --target=mips-linux-gnu -nostdlib -static -fuse-ld=lld -fno-stack-protector -fno-pic -o bldtst_mips32 buildtest.c arch/mips.c
+	clang --target=mips-linux-gnu -nostdlib -Wno-incompatible-library-redeclaration -static -fuse-ld=lld -fno-stack-protector -fno-pic -o bldtst_mips32 buildtest.c arch/mips.c