CheckLinkerFlag: Add module to check validity of linker flags

Fixes: #15934

9 files changed, 54 insertions, 0 deletions

diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index 0f94e4e..a042669 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -487,6 +487,12 @@ add_RunCMake_test(target_include_directories)
 add_RunCMake_test(target_sources)
 add_RunCMake_test(CheckModules)
 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})
+endif()
+
 add_RunCMake_test(CommandLine -DCMAKE_SYSTEM_NAME=${CMAKE_SYSTEM_NAME} -DCYGWIN=${CYGWIN} -DPYTHON_EXECUTABLE=${PYTHON_EXECUTABLE})
 add_RunCMake_test(CommandLineTar)
 
diff --git a/Tests/RunCMake/CheckLinkerFlag/CMakeLists.txt b/Tests/RunCMake/CheckLinkerFlag/CMakeLists.txt
new file mode 100644
index 0000000..0421e28
--- /dev/null
+++ b/Tests/RunCMake/CheckLinkerFlag/CMakeLists.txt
@@ -0,0 +1,5 @@
+cmake_minimum_required(VERSION 3.13)
+
+project(${RunCMake_TEST} LANGUAGES NONE)
+
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/CheckLinkerFlag/CheckCLinkerFlag.cmake b/Tests/RunCMake/CheckLinkerFlag/CheckCLinkerFlag.cmake
new file mode 100644
index 0000000..c8e87a4
--- /dev/null
+++ b/Tests/RunCMake/CheckLinkerFlag/CheckCLinkerFlag.cmake
@@ -0,0 +1,3 @@
+
+set (CHECK_LANGUAGE C)
+include ("${CMAKE_CURRENT_SOURCE_DIR}/CheckLinkerFlag.cmake")
diff --git a/Tests/RunCMake/CheckLinkerFlag/CheckCXXLinkerFlag.cmake b/Tests/RunCMake/CheckLinkerFlag/CheckCXXLinkerFlag.cmake
new file mode 100644
index 0000000..4e299b9
--- /dev/null
+++ b/Tests/RunCMake/CheckLinkerFlag/CheckCXXLinkerFlag.cmake
@@ -0,0 +1,3 @@
+
+set (CHECK_LANGUAGE CXX)
+include ("${CMAKE_CURRENT_SOURCE_DIR}/CheckLinkerFlag.cmake")
diff --git a/Tests/RunCMake/CheckLinkerFlag/CheckFortranLinkerFlag.cmake b/Tests/RunCMake/CheckLinkerFlag/CheckFortranLinkerFlag.cmake
new file mode 100644
index 0000000..bca288e
--- /dev/null
+++ b/Tests/RunCMake/CheckLinkerFlag/CheckFortranLinkerFlag.cmake
@@ -0,0 +1,3 @@
+
+set (CHECK_LANGUAGE Fortran)
+include ("${CMAKE_CURRENT_SOURCE_DIR}/CheckLinkerFlag.cmake")
diff --git a/Tests/RunCMake/CheckLinkerFlag/CheckLinkerFlag.cmake b/Tests/RunCMake/CheckLinkerFlag/CheckLinkerFlag.cmake
new file mode 100644
index 0000000..c3bd465
--- /dev/null
+++ b/Tests/RunCMake/CheckLinkerFlag/CheckLinkerFlag.cmake
@@ -0,0 +1,14 @@
+
+enable_language (${CHECK_LANGUAGE})
+
+include(CheckLinkerFlag)
+
+check_linker_flag(${CHECK_LANGUAGE} "LINKER:-L,/dir" VALID_LINKER_FLAG)
+if(NOT VALID_LINKER_FLAG)
+  message(SEND_ERROR "Test fail for valid linker flag.")
+endif()
+
+check_linker_flag(${CHECK_LANGUAGE} "LINKER:-D" INVALID_LINKER_FLAG)
+if(INVALID_LINKER_FLAG)
+  message(SEND_ERROR "Test fail for invalid linker flag.")
+endif()
diff --git a/Tests/RunCMake/CheckLinkerFlag/CheckOBJCLinkerFlag.cmake b/Tests/RunCMake/CheckLinkerFlag/CheckOBJCLinkerFlag.cmake
new file mode 100644
index 0000000..fa1d18e
--- /dev/null
+++ b/Tests/RunCMake/CheckLinkerFlag/CheckOBJCLinkerFlag.cmake
@@ -0,0 +1,3 @@
+
+set (CHECK_LANGUAGE OBJC)
+include ("${CMAKE_CURRENT_SOURCE_DIR}/CheckLinkerFlag.cmake")
diff --git a/Tests/RunCMake/CheckLinkerFlag/CheckOBJCXXLinkerFlag.cmake b/Tests/RunCMake/CheckLinkerFlag/CheckOBJCXXLinkerFlag.cmake
new file mode 100644
index 0000000..414efb8
--- /dev/null
+++ b/Tests/RunCMake/CheckLinkerFlag/CheckOBJCXXLinkerFlag.cmake
@@ -0,0 +1,3 @@
+
+set (CHECK_LANGUAGE OBJCXX)
+include ("${CMAKE_CURRENT_SOURCE_DIR}/CheckLinkerFlag.cmake")
diff --git a/Tests/RunCMake/CheckLinkerFlag/RunCMakeTest.cmake b/Tests/RunCMake/CheckLinkerFlag/RunCMakeTest.cmake
new file mode 100644
index 0000000..224a2a3
--- /dev/null
+++ b/Tests/RunCMake/CheckLinkerFlag/RunCMakeTest.cmake
@@ -0,0 +1,14 @@
+include(RunCMake)
+
+if (CMAKE_C_COMPILER_ID MATCHES "Clang|GNU")
+  run_cmake(CheckCLinkerFlag)
+  run_cmake(CheckCXXLinkerFlag)
+  if (APPLE)
+    run_cmake(CheckOBJCLinkerFlag)
+    run_cmake(CheckOBJCXXLinkerFlag)
+  endif()
+endif()
+
+if (CMAKE_Fortran_COMPILER_ID MATCHES "GNU")
+  run_cmake(CheckFortranLinkerFlag)
+endif()