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Merge pull request #1748 from scivision/opts

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enable Intel, IBM XL, and PGI compilers without header/source changes
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Jan Niklas Hasse 2020-04-06 09:01:47 +02:00 committed by GitHub
commit 64ebbcb31a
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1 changed files with 12 additions and 1 deletions
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13
CMakeLists.txt
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@ -1,6 +1,7 @@
cmake_minimum_required(VERSION 3.15)
project(ninja)
# --- optional link-time optimization
if(CMAKE_BUILD_TYPE MATCHES "Release")
include(CheckIPOSupported)
check_ipo_supported(RESULT lto_supported OUTPUT error)
@ -13,13 +14,23 @@ if(CMAKE_BUILD_TYPE MATCHES "Release")
endif()
endif()
# --- compiler flags
if(MSVC)
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
string(APPEND CMAKE_CXX_FLAGS " /W4 /GR- /Zc:__cplusplus")
else()
string(APPEND CMAKE_CXX_FLAGS " -Wno-deprecated -fdiagnostics-color")
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag(-Wno-deprecated flag_no_deprecated)
if(flag_no_deprecated)
string(APPEND CMAKE_CXX_FLAGS " -Wno-deprecated")
endif()
check_cxx_compiler_flag(-fdiagnostics-color flag_color_diag)
if(flag_color_diag)
string(APPEND CMAKE_CXX_FLAGS " -fdiagnostics-color")
endif()
endif()
# --- optional re2c
find_program(RE2C re2c)
if(RE2C)
# the depfile parser and ninja lexers are generated using re2c.