OilfieldToolsNet/opm-common
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fixed: do not append to flags to CMAKE_CXX_FLAGS

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this should only be set on the target if using QuadMath.
every time cmake was rerun a build directory new entry was added,
leading to very long compile commands eventually.
This commit is contained in:
Arne Morten Kvarving 2022-12-21 11:03:12 +01:00
parent fe54e7ccf2
commit ccfc3d6ac3
1 changed files with 6 additions and 7 deletions
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9
cmake/Modules/FindQuadmath.cmake
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@ -16,10 +16,6 @@ if(NOT DEFINED USE_QUADMATH OR USE_QUADMATH)
check_cxx_compiler_flag("-Werror -fext-numeric-literals" HAVE_EXTENDED_NUMERIC_LITERALS)
endif()
if (HAVE_EXTENDED_NUMERIC_LITERALS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fext-numeric-literals")
endif()
cmake_push_check_state(RESET)
list(APPEND CMAKE_REQUIRED_LIBRARIES "quadmath")
CHECK_CXX_SOURCE_COMPILES("
@ -38,11 +34,14 @@ int main(void){
add_library(QuadMath::QuadMath INTERFACE IMPORTED)
set_target_properties(QuadMath::QuadMath PROPERTIES
INTERFACE_LINK_LIBRARIES quadmath
INTERFACE_COMPILE_DEFINITIONS _GLIBCXX_USE_FLOAT128
INTERFACE_COMPILE_DEFINITIONS _GLIBCXX_USE_FLOAT128)
if(HAVE_EXTENDED_NUMERIC_LITERALS)
set_target_properties(QuadMath::QuadMath PROPERTIES
INTERFACE_COMPILE_OPTIONS $<$<CXX_COMPILER_ID:GNU>:-fext-numeric-literals>)
endif()
endif()
endif()
endif()
if (USE_QUADMATH AND NOT QUADMATH_FOUND)
message(STATUS "Quadruple precision math support is unavailable! Skipping it.")