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-rw-r--r--cmake/modules/CheckCLinkerFlag.cmake22
1 files changed, 22 insertions, 0 deletions
diff --git a/cmake/modules/CheckCLinkerFlag.cmake b/cmake/modules/CheckCLinkerFlag.cmake
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+++ b/cmake/modules/CheckCLinkerFlag.cmake
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+# - Check whether the C linker supports a given flag.
+# CHECK_C_LINKER_FLAG(FLAG VARIABLE)
+#
+# FLAG - the compiler flag
+# VARIABLE - variable to store the result
+#
+# This actually calls the check_c_source_compiles macro.
+# See help for CheckCSourceCompiles for a listing of variables
+# that can modify the build.
+
+# Copyright (c) 2010, Joerg Mayer (see AUTHORS file)
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+
+INCLUDE(CheckCSourceCompiles)
+
+MACRO (CHECK_C_LINKER_FLAG _FLAG _RESULT)
+ SET(CMAKE_REQUIRED_FLAGS "${_FLAG}")
+ message(status "check linker flag - test linker flags: ${CMAKE_REQUIRED_FLAGS}")
+ CHECK_C_SOURCE_COMPILES("int main() { return 0;}" ${_RESULT})
+ENDMACRO (CHECK_C_LINKER_FLAG)
+