CUDA: CheckLinkerFlag now supports CUDA

Help/release/dev/cuda-check-support.rst

@@ -9,3 +9,6 @@ cuda-check-support
 
 * The :module:`CheckSourceRuns` module was extended to
   support 'CUDA'.
+
+* The :module:`CheckLinkerFlag` module has been extended to
+  support the validity of CUDA link flags.

Modules/CheckLinkerFlag.cmake

@@ -66,6 +66,8 @@ function(CHECK_LINKER_FLAG _lang _flag _var)
     set (_source "int main() { return 0; }")
   elseif (_lang STREQUAL "Fortran")
     set (_source "       program test\n       stop\n       end program")
+  elseif (_lang MATCHES "CUDA")
+    set (_source "__host__ int main() { return 0; }")
   elseif (_lang MATCHES "^(OBJC|OBJCXX)$")
     set (_source "#ifndef __OBJC__\n#  error \"Not an Objective-C++ compiler\"\n#endif\nint main(void) { return 0; }")
   else()

Tests/RunCMake/CMakeLists.txt

@@ -555,7 +555,9 @@ add_RunCMake_test(CheckIPOSupported)
 if (CMAKE_SYSTEM_NAME MATCHES "(Linux|Darwin)"
     AND (CMAKE_C_COMPILER_ID MATCHES "Clang|GNU" OR CMAKE_Fortran_COMPILER_ID MATCHES "GNU"))
   add_RunCMake_test(CheckLinkerFlag -DCMAKE_C_COMPILER_ID=${CMAKE_C_COMPILER_ID}
-                                    -DCMAKE_Fortran_COMPILER_ID=${CMAKE_Fortran_COMPILER_ID})
+                                    -DCMAKE_Fortran_COMPILER_ID=${CMAKE_Fortran_COMPILER_ID}
+                                    -DCMake_TEST_CUDA=${CMake_TEST_CUDA})
+  set_property(TEST RunCMake.CheckLinkerFlag APPEND PROPERTY LABELS "CUDA")
 endif()
 
 

Tests/RunCMake/CheckLinkerFlag/CheckCUDALinkerFlag.cmake

@@ -0,0 +1,3 @@
+
+set (CHECK_LANGUAGE CUDA)
+include ("${CMAKE_CURRENT_SOURCE_DIR}/CheckLinkerFlag.cmake")

Tests/RunCMake/CheckLinkerFlag/RunCMakeTest.cmake

@@ -12,3 +12,7 @@ endif()
 if (CMAKE_Fortran_COMPILER_ID MATCHES "GNU")
   run_cmake(CheckFortranLinkerFlag)
 endif()
+
+if (CMake_TEST_CUDA)
+  run_cmake(CheckCUDALinkerFlag)
+endif()