Meta: Fix compilation flags for clang-cl

As part of https://github.com/LadybirdWebBrowser/ladybird/issues/38 -
the first baby step, is to make sure that we do not use compile flags
not supported by clang-cl.
This commit is contained in:
Diego Iastrubni 2024-06-06 11:36:16 +03:00 committed by Andrew Kaster
parent bf3c11229f
commit 0b22aae518
Notes: sideshowbarker 2024-07-17 06:35:23 +09:00
2 changed files with 35 additions and 9 deletions

View File

@ -5,17 +5,25 @@ set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_COLOR_DIAGNOSTICS ON)
add_compile_options(-Wall)
add_compile_options(-Wextra)
if (MSVC)
add_compile_options(/W4)
# do not warn about unused function
add_compile_options(/wd4505)
# disable exceptions
add_compile_options(/EHsc)
# disable floating-point expression contraction
add_compile_options(/fp:precise)
else()
add_compile_options(-Wall -Wextra)
add_compile_options(-fno-exceptions)
add_compile_options(-ffp-contract=off)
endif()
add_compile_options(-Wno-invalid-offsetof)
add_compile_options(-Wno-unknown-warning-option)
add_compile_options(-Wno-unused-command-line-argument)
add_compile_options(-fno-exceptions)
add_compile_options(-ffp-contract=off)
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "18")
add_compile_options(-Wpadded-bitfield)
@ -27,7 +35,7 @@ if (NOT CMAKE_HOST_SYSTEM_NAME MATCHES SerenityOS)
add_compile_options(-Werror)
endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang$")
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND NOT CMAKE_CXX_SIMULATE_ID MATCHES "MSVC")
# Clang's default constexpr-steps limit is 1048576(2^20), GCC doesn't have one
add_compile_options(-fconstexpr-steps=16777216)
@ -41,6 +49,13 @@ elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
# FIXME: This warning seems useful but has too many false positives with GCC 13.
add_compile_options(-Wno-dangling-reference)
elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang$" AND CMAKE_CXX_SIMULATE_ID MATCHES "MSVC")
add_compile_options(-Wno-reserved-identifier)
add_compile_options(-Wno-user-defined-literals)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
# TODO: this seems wrong, but we use this kind of code too much
# add_compile_options(-Wno-unsafe-buffer-usage)
endif()
if (UNIX AND NOT APPLE AND NOT ENABLE_FUZZERS)

View File

@ -2,8 +2,17 @@ include(${CMAKE_CURRENT_LIST_DIR}/common_compile_options.cmake)
add_compile_options(-Wno-maybe-uninitialized)
add_compile_options(-Wno-shorten-64-to-32)
add_compile_options(-fsigned-char)
add_compile_options(-ggnu-pubnames)
if(NOT MSVC)
add_compile_options(-fsigned-char)
add_compile_options(-ggnu-pubnames)
else()
# char is signed
add_compile_options(/J)
# full symbolic debugginng information
add_compile_options(/Z7)
endif()
if (NOT WIN32)
add_compile_options(-fPIC)
endif()
@ -13,7 +22,9 @@ if (LINUX)
endif()
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
add_compile_options(-ggdb3)
if (NOT MSVC)
add_compile_options(-ggdb3)
endif()
add_compile_options(-Og)
else()
add_compile_options(-O2)