vasilito
d551d5dc41
Add lcms2, libdisplay-info, libepoxy, and libxcvt recipes required by the KWin/Mesa display stack.
73 lines
2.1 KiB
CMake
73 lines
2.1 KiB
CMake
include(CheckCCompilerFlag)
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include(CheckCSourceCompiles)
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include(CheckFunctionExists)
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include(TestBigEndian)
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function(lcms2_detect_features)
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# Endianness
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test_big_endian(LCMS2_WORDS_BIGENDIAN)
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if(LCMS2_WORDS_BIGENDIAN)
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set(LCMS2_DEFINE_WORDS_BIGENDIAN 1 PARENT_SCOPE)
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else()
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set(LCMS2_DEFINE_WORDS_BIGENDIAN 0 PARENT_SCOPE)
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endif()
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# gmtime_r / gmtime_s
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set(CMAKE_REQUIRED_DEFINITIONS "")
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set(CMAKE_REQUIRED_LIBRARIES "")
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check_function_exists(gmtime_r LCMS2_HAVE_GMTIME_R)
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set(_gmtime_s_src "
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#include <time.h>
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int main(void) {
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time_t t = (time_t)0;
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struct tm m;
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(void)gmtime_s(&m, &t);
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return 0;
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}
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")
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check_c_source_compiles("${_gmtime_s_src}" LCMS2_HAVE_GMTIME_S)
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set(LCMS2_DEFINE_HAVE_GMTIME_R ${LCMS2_HAVE_GMTIME_R} PARENT_SCOPE)
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set(LCMS2_DEFINE_HAVE_GMTIME_S ${LCMS2_HAVE_GMTIME_S} PARENT_SCOPE)
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# Visibility attribute support (GCC/Clang).
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set(_vis_src "
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__attribute__((visibility(\"default\"))) int foo(void) { return 0; }
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int main(void) { return foo(); }
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")
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check_c_source_compiles("${_vis_src}" LCMS2_HAVE_FUNC_ATTRIBUTE_VISIBILITY)
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set(LCMS2_DEFINE_HAVE_FUNC_ATTRIBUTE_VISIBILITY ${LCMS2_HAVE_FUNC_ATTRIBUTE_VISIBILITY} PARENT_SCOPE)
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# -fvisibility=hidden support (non-Windows, GCC/Clang).
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check_c_compiler_flag("-fvisibility=hidden" LCMS2_HAVE_FLAG_FVISIBILITY_HIDDEN)
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set(LCMS2_USE_FLAG_FVISIBILITY_HIDDEN ${LCMS2_HAVE_FLAG_FVISIBILITY_HIDDEN} PARENT_SCOPE)
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# SSE2 intrinsics
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set(_sse2_src "
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#include <emmintrin.h>
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int main(void) {
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__m128i n = _mm_set1_epi8(42);
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(void)n;
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return 0;
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}
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")
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check_c_source_compiles("${_sse2_src}" LCMS2_COMPILER_SUPPORTS_SSE2)
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if(LCMS2_COMPILER_SUPPORTS_SSE2)
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set(LCMS2_DEFINE_CMS_DONT_USE_SSE2 0 PARENT_SCOPE)
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else()
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set(LCMS2_DEFINE_CMS_DONT_USE_SSE2 1 PARENT_SCOPE)
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endif()
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# libm detection (for Linux and similar platforms).
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find_library(LCMS2_MATH_LIB m)
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if(LCMS2_MATH_LIB)
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set(LCMS2_LINK_LIBM 1 PARENT_SCOPE)
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else()
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set(LCMS2_LINK_LIBM 0 PARENT_SCOPE)
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endif()
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endfunction()
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