Fix Fortran linking with Intel (#35)

Author: havogt

tests/regression/array/CMakeLists.txt

@@ -2,10 +2,14 @@ bindgen_add_library(bindgen_regression_array SOURCES implementation.cpp)
 
 add_executable(bindgen_regression_array_driver_fortran driver.f90)
 target_link_libraries(bindgen_regression_array_driver_fortran bindgen_regression_array_fortran)
+if(CMAKE_Fortran_COMPILER_ID STREQUAL "Intel")
+    set_target_properties(bindgen_regression_array_driver_fortran PROPERTIES LINKER_LANGUAGE Fortran)
+endif()
+
 add_test(NAME bindgen_regression_array_driver_fortran
     COMMAND $<TARGET_FILE:bindgen_regression_array_driver_fortran>)
 
-    if( CUDA_AVAILABLE
+if( CUDA_AVAILABLE
     AND "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" # -fopenacc will be passed to the c++ linker
     AND "${CMAKE_CXX_COMPILER_VERSION}" VERSION_GREATER_EQUAL "6"
     AND "${CMAKE_Fortran_COMPILER_ID}" STREQUAL "GNU"

tests/regression/array_gt_legacy/CMakeLists.txt

@@ -2,5 +2,8 @@ bindgen_add_library(bindgen_regression_array_gt_legacy SOURCES implementation.cp
 
 add_executable(bindgen_regression_array_gt_legacy_driver_fortran driver.f90)
 target_link_libraries(bindgen_regression_array_gt_legacy_driver_fortran bindgen_regression_array_gt_legacy_fortran)
+if(CMAKE_Fortran_COMPILER_ID STREQUAL "Intel")
+    set_target_properties(bindgen_regression_array_gt_legacy_driver_fortran PROPERTIES LINKER_LANGUAGE Fortran)
+endif()
 add_test(NAME bindgen_regression_array_gt_legacy_driver_fortran
     COMMAND $<TARGET_FILE:bindgen_regression_array_gt_legacy_driver_fortran>)

tests/regression/simple/CMakeLists.txt

@@ -5,6 +5,9 @@ if(CMAKE_Fortran_COMPILER_LOADED)
     target_link_libraries(bindgen_regression_simple_driver_fortran bindgen_regression_simple_fortran)
     add_test(NAME bindgen_regression_simple_driver_fortran
         COMMAND $<TARGET_FILE:bindgen_regression_simple_driver_fortran>)
+    if(CMAKE_Fortran_COMPILER_ID STREQUAL "Intel")
+        set_target_properties(bindgen_regression_simple_driver_fortran PROPERTIES LINKER_LANGUAGE Fortran)
+    endif()
 endif()
 
 if(CMAKE_C_COMPILER_LOADED)