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[cmake] In extract_flags.cmake, protect extraction of -L/usr/lib and fix filtering -I/usr/include

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This commit is contained in:
Nils Wentzell 2020-07-14 18:29:39 -04:00
parent e2f4e9988e
commit 5a9fc1118b
1 changed files with 8 additions and 6 deletions
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14
share/cmake/extract_flags.cmake
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@ -76,14 +76,10 @@ macro(extract_flags)
list(REMOVE_ITEM sys_inc_dirs ${inc_dirs})
endif()
foreach(dir ${inc_dirs})
if(NOT dir STREQUAL "/usr/include")
set(${target}_CXXFLAGS "${${target}_CXXFLAGS} -I${dir}")
endif()
set(${target}_CXXFLAGS "${${target}_CXXFLAGS} -I${dir}")
endforeach()
foreach(dir ${sys_inc_dirs})
if(NOT dir STREQUAL "/usr/include")
set(${target}_CXXFLAGS "${${target}_CXXFLAGS} -isystem${dir}")
endif()
set(${target}_CXXFLAGS "${${target}_CXXFLAGS} -isystem${dir}")
endforeach()
get_property_recursive(libs TARGET ${target} PROPERTY INTERFACE_LINK_LIBRARIES)
@ -117,4 +113,10 @@ macro(extract_flags)
# Remove all remaining generator expressions
string(REGEX REPLACE " [^ ]*\\$<[^ ]*:[^>]*>" "" ${target}_LDFLAGS "${${target}_LDFLAGS}")
string(REGEX REPLACE " [^ ]*\\$<[^ ]*:[^>]*>" "" ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
# Filter out system directories from LDFLAGS and CXXFLAGS
string(REGEX REPLACE " -L/usr/lib " " " ${target}_LDFLAGS "${${target}_LDFLAGS}")
string(REGEX REPLACE " -I/usr/include " " " ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
string(REGEX REPLACE " -isystem/usr/include " " " ${target}_CXXFLAGS "${${target}_CXXFLAGS}")
endmacro()