cmake/compiler_include.cmake at fixPythonPipStalling

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darling-nix / cmake / compiler_include.cmake

at fixPythonPipStalling 32 lines 975 B view raw

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Ariel Abreu Use a more compiler-specific header... 4y ago

5c27e7e1

 1# Detect the location of compiler-specific header files
 2# such as stdbool.h or xmmintrin.h
 3function(GetCompilerInclude OutputVar)
 4	file(WRITE "${CMAKE_BINARY_DIR}/cinctest.c" "#include <cpuid.h>")
 5	execute_process(COMMAND "${CMAKE_C_COMPILER}" -M "${CMAKE_BINARY_DIR}/cinctest.c"
 6		RESULT_VARIABLE BuildResult
 7		OUTPUT_VARIABLE BuildOutput
 8	)
 9
10	if (BuildResult)
11		message(FATAL_ERROR "Cannot detect compiler header include path")
12	endif (BuildResult)
13
14	separate_arguments(BuildOutput)
15
16	foreach (str ${BuildOutput})
17		string(REGEX REPLACE "\n$" "" str "${str}")
18		# message(STATUS "Output: ${str}")
19
20		if (str MATCHES "cpuid.h$")
21			# message(STATUS "Str matched: ${str}")
22			string(REGEX REPLACE "cpuid\\.h" "" IncPath "${str}")
23		endif (str MATCHES "cpuid.h$")
24	endforeach (str)
25
26	if (NOT IncPath)
27		message(FATAL_ERROR "Cannot parse compiler output to detect include path")
28	endif (NOT IncPath)
29
30	set(${OutputVar} ${IncPath} PARENT_SCOPE)
31endfunction(GetCompilerInclude)
32