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[cmake] Extend extract_flags.cmake to treat compiler-specific generator expressions properly

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This commit is contained in:
Nils Wentzell 2020-07-14 18:29:12 -04:00
parent c04128fa0d
commit e2f4e9988e
1 changed files with 15 additions and 1 deletions
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16
share/cmake/extract_flags.cmake
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@ -93,7 +93,8 @@ macro(extract_flags)
endif()
endforeach()
# We have to replace generator expressions explicitly
# ==== We have to replace generator expressions explicitly ====
if(ARG_BUILD_INTERFACE)
string(REGEX REPLACE "\\$<BUILD_INTERFACE:([^ ]*)>" "\\1" ${target}_LDFLAGS "${${target}_LDFLAGS}")
string(REGEX REPLACE "\\$<BUILD_INTERFACE:([^ ]*)>" "\\1" ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
@ -101,6 +102,19 @@ macro(extract_flags)
string(REGEX REPLACE "\\$<INSTALL_INTERFACE:([^ ]*)>" "\\1" ${target}_LDFLAGS "${${target}_LDFLAGS}")
string(REGEX REPLACE "\\$<INSTALL_INTERFACE:([^ ]*)>" "\\1" ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
string(REGEX REPLACE "\\$<\\$<CXX_COMPILER_ID:GNU>:([^ ]*)>" "\\1" ${target}_LDFLAGS "${${target}_LDFLAGS}")
string(REGEX REPLACE "\\$<\\$<CXX_COMPILER_ID:GNU>:([^ ]*)>" "\\1" ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
string(REGEX REPLACE "\\$<\\$<CXX_COMPILER_ID:Clang>:([^ ]*)>" "\\1" ${target}_LDFLAGS "${${target}_LDFLAGS}")
string(REGEX REPLACE "\\$<\\$<CXX_COMPILER_ID:Clang>:([^ ]*)>" "\\1" ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
string(REGEX REPLACE "\\$<\\$<CXX_COMPILER_ID:AppleClang>:([^ ]*)>" "\\1" ${target}_LDFLAGS "${${target}_LDFLAGS}")
string(REGEX REPLACE "\\$<\\$<CXX_COMPILER_ID:AppleClang>:([^ ]*)>" "\\1" ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
endif()
# Remove all remaining generator expressions
string(REGEX REPLACE " [^ ]*\\$<[^ ]*:[^>]*>" "" ${target}_LDFLAGS "${${target}_LDFLAGS}")
string(REGEX REPLACE " [^ ]*\\$<[^ ]*:[^>]*>" "" ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
endmacro()