diff options
| -rwxr-xr-x | src/nvim/CMakeLists.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/nvim/CMakeLists.txt b/src/nvim/CMakeLists.txt index 22cbec0d06..a193af6d51 100755 --- a/src/nvim/CMakeLists.txt +++ b/src/nvim/CMakeLists.txt @@ -105,6 +105,30 @@ if(HAVE_WIMPLICIT_FALLTHROUGH_FLAG) target_compile_options(main_lib INTERFACE -Wimplicit-fallthrough) endif() +option(ENABLE_COMPILER_SUGGESTIONS "Enable -Wsuggest compiler warnings" OFF) +if(ENABLE_COMPILER_SUGGESTIONS) + # Clang doesn't have -Wsuggest-attribute so check for each one. + check_c_compiler_flag(-Wsuggest-attribute=pure HAVE_WSUGGEST_ATTRIBUTE_PURE) + if(HAVE_WSUGGEST_ATTRIBUTE_PURE) + target_compile_options(main_lib INTERFACE -Wsuggest-attribute=pure) + endif() + + check_c_compiler_flag(-Wsuggest-attribute=const HAVE_WSUGGEST_ATTRIBUTE_CONST) + if(HAVE_WSUGGEST_ATTRIBUTE_CONST) + target_compile_options(main_lib INTERFACE -Wsuggest-attribute=const) + endif() + + check_c_compiler_flag(-Wsuggest-attribute=malloc HAVE_WSUGGEST_ATTRIBUTE_MALLOC) + if(HAVE_WSUGGEST_ATTRIBUTE_MALLOC) + target_compile_options(main_lib INTERFACE -Wsuggest-attribute=malloc) + endif() + + check_c_compiler_flag(-Wsuggest-attribute=cold HAVE_WSUGGEST_ATTRIBUTE_COLD) + if(HAVE_WSUGGEST_ATTRIBUTE_COLD) + target_compile_options(main_lib INTERFACE -Wsuggest-attribute=cold) + endif() +endif() + if(MINGW) # Use POSIX compatible stdio in Mingw target_compile_definitions(main_lib INTERFACE __USE_MINGW_ANSI_STDIO) |