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fftw3 export targets ${fftw3_lib}_omp failed #195

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LilyWangL opened this issue Apr 3, 2020 · 0 comments · May be fixed by #331
Open

fftw3 export targets ${fftw3_lib}_omp failed #195

LilyWangL opened this issue Apr 3, 2020 · 0 comments · May be fixed by #331

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@LilyWangL
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Hi,
I installed fftw3[openmp] successfully on Linux by VCPKG, and cmake created libfftw3_omp.a libfftw3f_omp.a. I found cmake create the cmake files as below:
image
There no openmp cmake files, I add these codes to CMakeLists.txt and rebuild fftw3[openmp].

if (OPENMP_FOUND)		 
	export (TARGETS ${fftw3_lib}_omp NAMESPACE FFTW3:: FILE ${PROJECT_BINARY_DIR}/${fftw3_lib}_ompTargets.cmake)
	install(EXPORT ${fftw3_lib}_ompTargets
			NAMESPACE FFTW3::
			DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake
			COMPONENT Development)
endif()

fftw3[openmp] build failed with this error:

CMake Error: INSTALL(EXPORT) given unknown export "fftw3f_ompTargets"
CMake Warning:
  Manually-specified variables were not used by the project:

    VCPKG_PLATFORM_TOOLSET
    VCPKG_SET_CHARSET_FLAG

Could fftw3 generate target and config files for openmp? Thanks for any suggestion or help.
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Export all subtargets dg0yt/fftw3
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@LilyWangL