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mdbx-cmake: update/sync compiler module (clang LTO, exceptions for MSVC).

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Change-Id: Ic132d4cb4095a141436599047b80f8a0b8ac4f6b
This commit is contained in:
Leonid Yuriev 2020-06-10 11:03:16 +03:00
parent e008f3132d
commit cda94ee61d
1 changed files with 64 additions and 20 deletions
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84
cmake/compiler.cmake
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@ -64,11 +64,11 @@ endmacro(check_compiler_flag)
# We support building with Clang and gcc. First check # We support building with Clang and gcc. First check
# what we're using for build. # what we're using for build.
if(CMAKE_C_COMPILER_LOADED AND CMAKE_C_COMPILER_ID STREQUAL "Clang") if(CMAKE_C_COMPILER_LOADED AND CMAKE_C_COMPILER_ID MATCHES ".*[Cc][Ll][Aa][Nn][Gg].*")
set(CMAKE_COMPILER_IS_CLANG ON) set(CMAKE_COMPILER_IS_CLANG ON)
set(CMAKE_COMPILER_IS_GNUCC OFF) set(CMAKE_COMPILER_IS_GNUCC OFF)
endif() endif()
if(CMAKE_CXX_COMPILER_LOADED AND CMAKE_CXx_COMPILER_ID STREQUAL "Clang") if(CMAKE_CXX_COMPILER_LOADED AND CMAKE_CXX_COMPILER_ID MATCHES ".*[Cc][Ll][Aa][Nn][Gg].*")
set(CMAKE_COMPILER_IS_CLANG ON) set(CMAKE_COMPILER_IS_CLANG ON)
set(CMAKE_COMPILER_IS_GNUCXX OFF) set(CMAKE_COMPILER_IS_GNUCXX OFF)
endif() endif()
@ -161,37 +161,47 @@ if(NOT DEFINED IOS)
endif() endif()
endif() endif()
if(NOT DEFINED CMAKE_TARGET_BITNESS)
if (CMAKE_SIZEOF_VOID_P LESS 4)
set(CMAKE_TARGET_BITNESS 16)
elseif (CMAKE_SIZEOF_VOID_P LESS 8)
set(CMAKE_TARGET_BITNESS 32)
else()
set(CMAKE_TARGET_BITNESS 64)
endif()
endif()
if(CMAKE_COMPILER_IS_ELBRUSC OR CMAKE_SYSTEM_PROCESSOR MATCHES "e2k.*|E2K.*|elbrus.*|ELBRUS.*") if(CMAKE_COMPILER_IS_ELBRUSC OR CMAKE_SYSTEM_PROCESSOR MATCHES "e2k.*|E2K.*|elbrus.*|ELBRUS.*")
set(E2K TRUE) set(E2K TRUE)
set(CMAKE_SYSTEM_ARCH "Elbrus") set(CMAKE_SYSTEM_ARCH "Elbrus")
elseif((MSVC64 OR MINGW64) AND CMAKE_SIZEOF_VOID_P EQUAL 8) elseif((MSVC64 OR MINGW64) AND CMAKE_TARGET_BITNESS EQUAL 64)
set(X86_64 TRUE) set(X86_64 TRUE)
set(CMAKE_SYSTEM_ARCH "x86_64") set(CMAKE_SYSTEM_ARCH "x86_64")
elseif(MINGW OR (MSVC AND NOT CMAKE_CROSSCOMPILING)) elseif(MINGW OR (MSVC AND NOT CMAKE_CROSSCOMPILING))
set(X86_32 TRUE) set(X86_32 TRUE)
set(CMAKE_SYSTEM_ARCH "x86") set(CMAKE_SYSTEM_ARCH "x86")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*" AND CMAKE_SIZEOF_VOID_P EQUAL 8) elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*" AND CMAKE_TARGET_BITNESS EQUAL 64)
set(X86_64 TRUE) set(X86_64 TRUE)
set(CMAKE_SYSTEM_ARCH "x86_64") set(CMAKE_SYSTEM_ARCH "x86_64")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686.*|i386.*|x86.*") elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686.*|i386.*|x86.*")
set(X86_32 TRUE) set(X86_32 TRUE)
set(CMAKE_SYSTEM_ARCH "x86") set(CMAKE_SYSTEM_ARCH "x86")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*|ARM64.*)" AND CMAKE_SIZEOF_VOID_P EQUAL 8) elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*|ARM64.*)" AND CMAKE_TARGET_BITNESS EQUAL 64)
set(AARCH64 TRUE) set(AARCH64 TRUE)
set(CMAKE_SYSTEM_ARCH "ARM64") set(CMAKE_SYSTEM_ARCH "ARM64")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm.*|ARM.*)") elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm.*|ARM.*)")
set(ARM32 TRUE) set(ARM32 TRUE)
set(CMAKE_SYSTEM_ARCH "ARM") set(CMAKE_SYSTEM_ARCH "ARM")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64le.*" AND CMAKE_SIZEOF_VOID_P EQUAL 8) elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64le.*" AND CMAKE_TARGET_BITNESS EQUAL 64)
set(PPC64LE TRUE) set(PPC64LE TRUE)
set(CMAKE_SYSTEM_ARCH "PPC64LE") set(CMAKE_SYSTEM_ARCH "PPC64LE")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64.*" AND CMAKE_SIZEOF_VOID_P EQUAL 8) elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64.*" AND CMAKE_TARGET_BITNESS EQUAL 64)
set(PPC64 TRUE) set(PPC64 TRUE)
set(CMAKE_SYSTEM_ARCH "PPC64") set(CMAKE_SYSTEM_ARCH "PPC64")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc).*") elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc).*")
set(PPC32 TRUE) set(PPC32 TRUE)
set(CMAKE_SYSTEM_ARCH "PPC") set(CMAKE_SYSTEM_ARCH "PPC")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(mips|MIPS)64.*" AND CMAKE_SIZEOF_VOID_P EQUAL 8) elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(mips|MIPS)64.*" AND CMAKE_TARGET_BITNESS EQUAL 64)
set(MIPS64 TRUE) set(MIPS64 TRUE)
set(CMAKE_SYSTEM_ARCH "MIPS64") set(CMAKE_SYSTEM_ARCH "MIPS64")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(mips|MIPS).*") elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(mips|MIPS).*")
@ -228,10 +238,17 @@ else()
# Check for an omp support # Check for an omp support
set(CMAKE_REQUIRED_FLAGS "-fopenmp -Werror") set(CMAKE_REQUIRED_FLAGS "-fopenmp -Werror")
check_c_source_compiles("int main(void) { if(CMAKE_CXX_COMPILER_LOADED)
#pragma omp parallel check_cxx_source_compiles("int main(void) {
return 0; #pragma omp parallel
}" HAVE_OPENMP) return 0;
}" HAVE_OPENMP)
else()
check_c_source_compiles("int main(void) {
#pragma omp parallel
return 0;
}" HAVE_OPENMP)
endif()
set(CMAKE_REQUIRED_FLAGS "") set(CMAKE_REQUIRED_FLAGS "")
endif() endif()
@ -352,7 +369,7 @@ if(CMAKE_COMPILER_IS_CLANG)
endif() endif()
if(NOT CMAKE_CLANG_LD AND clang_bindirs) if(NOT CMAKE_CLANG_LD AND clang_bindirs)
find_program(CMAKE_CLANG_LD NAMES lld-link ld.lld ld64.lld lld-link llvm-link link llvm-ld ld PATHS ${clang_bindirs} NO_DEFAULT_PATH) find_program(CMAKE_CLANG_LD NAMES lld-link ld.lld "ld${CMAKE_TARGET_BITNESS}.lld" lld llvm-link llvm-ld PATHS ${clang_bindirs} NO_DEFAULT_PATH)
endif() endif()
if(NOT CMAKE_CLANG_AR AND clang_bindirs) if(NOT CMAKE_CLANG_AR AND clang_bindirs)
find_program(CMAKE_CLANG_AR NAMES llvm-ar ar PATHS ${clang_bindirs} NO_DEFAULT_PATH) find_program(CMAKE_CLANG_AR NAMES llvm-ar ar PATHS ${clang_bindirs} NO_DEFAULT_PATH)
@ -371,14 +388,21 @@ if(CMAKE_COMPILER_IS_CLANG)
if(NOT CLANG_LTO_PLUGIN AND clang_libdirs) if(NOT CLANG_LTO_PLUGIN AND clang_libdirs)
find_file(CLANG_LTO_PLUGIN ${clang_lto_plugin_name} PATHS ${clang_libdirs} NO_DEFAULT_PATH) find_file(CLANG_LTO_PLUGIN ${clang_lto_plugin_name} PATHS ${clang_libdirs} NO_DEFAULT_PATH)
endif() endif()
if(CLANG_LTO_PLUGIN) if(CLANG_LTO_PLUGIN)
message(STATUS "Found CLANG/LLVM's plugin for LTO: ${CLANG_LTO_PLUGIN}") message(STATUS "Found CLANG/LLVM's plugin for LTO: ${CLANG_LTO_PLUGIN}")
else() else()
message(STATUS "Could NOT find CLANG/LLVM's plugin (${clang_lto_plugin_name}) for LTO.") message(STATUS "Could NOT find CLANG/LLVM's plugin (${clang_lto_plugin_name}) for LTO.")
endif() endif()
if(CMAKE_CLANG_LD AND CMAKE_CLANG_AR AND CMAKE_CLANG_NM AND CMAKE_CLANG_RANLIB) if(CMAKE_CLANG_LD)
message(STATUS "Found CLANG/LLVM's binutils for LTO: ${CMAKE_CLANG_AR}, ${CMAKE_CLANG_RANLIB}") message(STATUS "Found CLANG/LLVM's linker for LTO: ${CMAKE_CLANG_LD}")
else()
message(STATUS "Could NOT find CLANG/LLVM's linker (lld, llvm-ld, llvm-link) for LTO.")
endif()
if(CMAKE_CLANG_AR AND CMAKE_CLANG_RANLIB AND CMAKE_CLANG_NM)
message(STATUS "Found CLANG/LLVM's binutils for LTO: ${CMAKE_CLANG_AR}, ${CMAKE_CLANG_RANLIB}, ${CMAKE_CLANG_NM}")
else() else()
message(STATUS "Could NOT find CLANG/LLVM's binutils (ar, ranlib, nm) for LTO.") message(STATUS "Could NOT find CLANG/LLVM's binutils (ar, ranlib, nm) for LTO.")
endif() endif()
@ -390,12 +414,19 @@ if(CMAKE_COMPILER_IS_CLANG)
unset(clang_search_dirs) unset(clang_search_dirs)
endif() endif()
if((CLANG_LTO_PLUGIN AND CMAKE_LD_GOLD) OR if (CMAKE_CLANG_AR AND CMAKE_CLANG_NM AND CMAKE_CLANG_RANLIB
(CMAKE_CLANG_LD AND CMAKE_CLANG_AR AND CMAKE_CLANG_NM AND CMAKE_CLANG_RANLIB)) AND ((CLANG_LTO_PLUGIN AND CMAKE_LD_GOLD)
OR (CMAKE_CLANG_LD
AND NOT (CMAKE_HOST_SYSTEM_NAME STREQUAL "Linux"
AND CMAKE_SYSTEM_NAME STREQUAL "Linux"))
OR APPLE))
set(CLANG_LTO_AVAILABLE TRUE) set(CLANG_LTO_AVAILABLE TRUE)
message(STATUS "Link-Time Optimization by CLANG/LLVM is available") message(STATUS "Link-Time Optimization by CLANG/LLVM is available")
elseif(CMAKE_TOOLCHAIN_FILE AND NOT CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER_VERSION VERSION_LESS 7.0) elseif(CMAKE_TOOLCHAIN_FILE AND NOT CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER_VERSION VERSION_LESS 7.0)
set(CLANG_LTO_AVAILABLE TRUE) set(CLANG_LTO_AVAILABLE TRUE)
if(NOT CMAKE_CLANG_LD)
set(CMAKE_CLANG_LD ${CMAKE_LINKER})
endif()
if(NOT CMAKE_CLANG_AR) if(NOT CMAKE_CLANG_AR)
set(CMAKE_CLANG_AR ${CMAKE_AR}) set(CMAKE_CLANG_AR ${CMAKE_AR})
endif() endif()
@ -454,9 +485,6 @@ endif()
macro(setup_compile_flags) macro(setup_compile_flags)
# save initial C/CXX flags # save initial C/CXX flags
if(NOT INITIAL_CMAKE_FLAGS_SAVED) if(NOT INITIAL_CMAKE_FLAGS_SAVED)
if(MSVC)
string(REGEX REPLACE "^(.*)(/EHsc)( *)(.*)$" "\\1/EHs\\3\\4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
endif()
set(INITIAL_CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} CACHE STRING "Initial CMake's flags" FORCE) set(INITIAL_CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} CACHE STRING "Initial CMake's flags" FORCE)
set(INITIAL_CMAKE_C_FLAGS ${CMAKE_C_FLAGS} CACHE STRING "Initial CMake's flags" FORCE) set(INITIAL_CMAKE_C_FLAGS ${CMAKE_C_FLAGS} CACHE STRING "Initial CMake's flags" FORCE)
set(INITIAL_CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS} CACHE STRING "Initial CMake's flags" FORCE) set(INITIAL_CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS} CACHE STRING "Initial CMake's flags" FORCE)
@ -480,6 +508,22 @@ macro(setup_compile_flags)
if(CC_HAS_FCXX_EXCEPTIONS) if(CC_HAS_FCXX_EXCEPTIONS)
add_compile_flags("CXX" "-fcxx-exceptions -frtti") add_compile_flags("CXX" "-fcxx-exceptions -frtti")
endif() endif()
if(MSVC)
# checks for /EHa or /clr options exists,
# i.e. is enabled structured async WinNT exceptions
string(REGEX MATCH "^(.* )*[-/]EHc*a( .*)*$" msvc_async_eh_enabled "${CXX_FLAGS}" "${C_FLAGS}")
string(REGEX MATCH "^(.* )*[-/]clr( .*)*$" msvc_clr_enabled "${CXX_FLAGS}" "${C_FLAGS}")
# remote any /EH? options
string(REGEX REPLACE "( *[-/]-*EH[csa]+ *)+" "" CXX_FLAGS "${CXX_FLAGS}")
string(REGEX REPLACE "( *[-/]-*EH[csa]+ *)+" "" C_FLAGS "${C_FLAGS}")
if (msvc_clr_enabled STREQUAL "")
if(NOT msvc_async_eh_enabled STREQUAL "")
add_compile_flags("C;CXX" "/EHa")
else()
add_compile_flags("C;CXX" "/EHsc")
endif()
endif()
endif(MSVC)
if(CC_HAS_WNO_ATTRIBUTES AND CMAKE_COMPILER_IS_GNU${CMAKE_PRIMARY_LANG} if(CC_HAS_WNO_ATTRIBUTES AND CMAKE_COMPILER_IS_GNU${CMAKE_PRIMARY_LANG}
AND CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER_VERSION VERSION_LESS 9) AND CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER_VERSION VERSION_LESS 9)