cmake : disable -Wshadow for GCC

ggml-ci

Author: ggerganov

cmake/common.cmake

@@ -13,7 +13,12 @@ function(llama_add_compile_flags)
             list(APPEND C_FLAGS -Wshadow -Wstrict-prototypes -Wpointer-arith -Wmissing-prototypes
                                 -Werror=implicit-int -Werror=implicit-function-declaration)
 
-            list(APPEND CXX_FLAGS -Wshadow -Wmissing-declarations -Wmissing-noreturn)
+            list(APPEND CXX_FLAGS -Wmissing-declarations -Wmissing-noreturn)
+
+            # GCC -Wshadow is way too agressive
+            if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+                list(APPEND CXX_FLAGS -Wshadow)
+            endif()
 
             list(APPEND WARNING_FLAGS -Wall -Wextra -Wpedantic -Wcast-qual -Wno-unused-function)