🔧 Adjust the cmake build options

also add later use of libc++ later,
for now it's not compiling with libc++.
This commit is contained in:
Vladislav Nepogodin 2023-04-03 03:22:07 +04:00
parent 0b76a9a968
commit 1f0cfb9b10
No known key found for this signature in database
GPG Key ID: B62C3D10C54D5DA9
3 changed files with 40 additions and 15 deletions

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@ -77,10 +77,11 @@ CPMAddPackage(
##
## CONFIGURATION
##
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto")
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fwhole-program -fuse-linker-plugin")
if(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto=thin -fwhole-program-vtables")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} -flto=thin -fwhole-program-vtables")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto -fwhole-program -fuse-linker-plugin")
endif()
# Link this 'library' to set the c++ standard / compile-time options requested

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@ -29,17 +29,33 @@ set(SIMDJSON_DISABLE_DEPRECATED_API ON CACHE INTERNAL "" FORCE)
# Generate compile_commands.json to make it easier to work with clang based tools
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -flto")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto")
if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -fwhole-program -fuse-linker-plugin")
if(CMAKE_C_COMPILER_ID MATCHES ".*Clang")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -flto=thin -fwhole-program-vtables")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} -flto=thin -fwhole-program-vtables")
elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -flto -fwhole-program -fuse-linker-plugin")
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fwhole-program -fuse-linker-plugin")
if(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto=thin -fwhole-program-vtables")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} -flto=thin -fwhole-program-vtables")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto -fwhole-program -fuse-linker-plugin")
endif()
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc -static-libstdc++")# -static")
if(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang")
#add_compile_options(-nostdlib++ -stdlib=libc++ -nodefaultlibs -fexperimental-library)
#add_link_options(-stdlib=libc++)
add_compile_options(-fstrict-vtable-pointers)
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 16)
# Set new experimental pass manager, it's a performance, build time and binary size win.
# Can be removed after https://reviews.llvm.org/D66490 merged and released to at least two versions of clang.
add_compile_options(-fexperimental-new-pass-manager)
endif()
endif()
option(ENABLE_IPO "Enable Interprocedural Optimization, aka Link Time Optimization (LTO)" OFF)
if(ENABLE_IPO)
@ -66,6 +82,8 @@ endif()
# Enables STL container checker if not building a release.
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
add_definitions(-D_GLIBCXX_ASSERTIONS)
add_definitions(-D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS=1)
add_definitions(-D_LIBCPP_ENABLE_ASSERTIONS=1)
endif()
# Enables dev environment.

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@ -16,17 +16,22 @@ if cc.get_id() == 'clang'
specific_cc_flags = [
'-nostdlib++',
#'-stdlib=libc++',
'-nodefaultlibs',
]
specific_link_flags = [
'-fuse-ld=lld',
#'-nodefaultlibs',
#'-fexperimental-library',
'-fstrict-vtable-pointers',
'-fexperimental-new-pass-manager',
]
#specific_link_flags = [
# '-stdlib=libc++',
#]
add_global_arguments(cc.get_supported_arguments(specific_cc_flags), language : 'cpp')
add_global_link_arguments(cc.get_supported_link_arguments(specific_link_flags), language : 'cpp')
endif
if is_debug_build
add_global_arguments('-D_GLIBCXX_ASSERTIONS', language : 'cpp')
add_global_arguments('-D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS=1', language : 'cpp')
add_global_arguments('-D_LIBCPP_ENABLE_ASSERTIONS=1', language : 'cpp')
endif
if not is_dev_environment
@ -140,6 +145,7 @@ if not is_debug_build
else
possible_cc_flags += [
'-flto=thin',
'-fwhole-program-vtables',
]
endif