cleaned up library linking

Author: DiamonDinoia

CMakeLists.txt

@@ -161,34 +161,27 @@ function(set_finufft_options target)
         set(FFTW_INCLUDE_DIR ${FFTW_SOURCE_DIR}/api)
         target_include_directories(${target} PUBLIC ${FFTW_INCLUDE_DIR})
     endif ()
-
-    # XSIMD is a header only library, so we just need to include the headers
-    target_include_directories(${target} PUBLIC ${XSIMD_INCLUDE_DIR})
+    target_link_libraries(${target} PRIVATE xsimd)
+    target_link_libraries(${target} PRIVATE ${FINUFFT_FFTW_LIBRARIES})
 endfunction()
 
 if (FINUFFT_USE_CPU)
     # Main finufft libraries
     add_library(finufft_f32 OBJECT ${FINUFFT_PRECISION_DEPENDENT_SOURCES})
     target_compile_definitions(finufft_f32 PRIVATE SINGLE)
     set_finufft_options(finufft_f32)
-    target_link_libraries(finufft_f32 PUBLIC ${FINUFFT_FFTW_LIBRARIES})
-    target_link_libraries(finufft_f32 PRIVATE xsimd)
 
     add_library(finufft_f64 OBJECT ${FINUFFT_PRECISION_DEPENDENT_SOURCES})
     target_compile_definitions(finufft_f64 PRIVATE)
     set_finufft_options(finufft_f64)
-    target_link_libraries(finufft_f64 PUBLIC ${FINUFFT_FFTW_LIBRARIES})
-    target_link_libraries(finufft_f64 PRIVATE xsimd)
     if (WIN32)
         add_library(finufft_f32_dll OBJECT ${FINUFFT_PRECISION_DEPENDENT_SOURCES})
         target_compile_definitions(finufft_f32_dll PRIVATE SINGLE dll_EXPORTS FINUFFT_DLL)
         set_finufft_options(finufft_f32_dll)
-        target_link_libraries(finufft_f32_dll PUBLIC ${FINUFFT_FFTW_LIBRARIES})
 
         add_library(finufft_f64_dll OBJECT ${FINUFFT_PRECISION_DEPENDENT_SOURCES})
         target_compile_definitions(finufft_f64_dll PRIVATE dll_EXPORTS FINUFFT_DLL)
         set_finufft_options(finufft_f64_dll)
-        target_link_libraries(finufft_f64_dll PUBLIC ${FINUFFT_FFTW_LIBRARIES})
     endif ()
 
     add_library(finufft SHARED src/utils_precindep.cpp contrib/legendre_rule_fast.cpp)

cmake/setupXSIMD.cmake

@@ -18,5 +18,3 @@ CPMAddPackage(
             "XSIMD_ENABLE_XTL_COMPLEX YES"
 )
 
-get_property(XSIMD_SOURCE_DIR TARGET xsimd PROPERTY SOURCE_DIR)
-set(XSIMD_INCLUDE_DIR ${XSIMD_SOURCE_DIR}/include)