1 files changed, 25 insertions, 0 deletions
diff --git a/Source/Modules/CheckCXXLinkerFlag.cmake b/Source/Modules/CheckCXXLinkerFlag.cmake
new file mode 100644
index 0000000..9ad2ad6
--- /dev/null
+++ b/Source/Modules/CheckCXXLinkerFlag.cmake
@@ -0,0 +1,25 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+include_guard(GLOBAL)
+include(CheckCXXSourceCompiles)
+include(CMakeCheckCompilerFlagCommonPatterns)
+
+function(check_cxx_linker_flag _flag _var)
+  set(CMAKE_REQUIRED_LIBRARIES "${_flag}")
+
+  # Normalize locale during test compilation.
+  set(_locale_vars LC_ALL LC_MESSAGES LANG)
+  foreach(v IN LISTS _locale_vars)
+    set(_locale_vars_saved_${v} "$ENV{${v}}")
+    set(ENV{${v}} C)
+  endforeach()
+  check_compiler_flag_common_patterns(_common_patterns)
+  check_cxx_source_compiles("int main() { return 0; }" ${_var}
+    ${_common_patterns}
+    )
+  foreach(v IN LISTS _locale_vars)
+    set(ENV{${v}} ${_locale_vars_saved_${v}})
+  endforeach()
+  set(${_var} "${${_var}}" PARENT_SCOPE)
+endfunction()