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-rw-r--r--modules/MacroEnsureOutOfSourceBuild.cmake11
1 files changed, 11 insertions, 0 deletions
diff --git a/modules/MacroEnsureOutOfSourceBuild.cmake b/modules/MacroEnsureOutOfSourceBuild.cmake
new file mode 100644
index 00000000..c2e2c862
--- /dev/null
+++ b/modules/MacroEnsureOutOfSourceBuild.cmake
@@ -0,0 +1,11 @@
+# - MACRO_ENSURE_OUT_OF_SOURCE_BUILD(<errorMessage>)
+# MACRO_ENSURE_OUT_OF_SOURCE_BUILD(<errorMessage>)
+
+MACRO (MACRO_ENSURE_OUT_OF_SOURCE_BUILD _errorMessage)
+
+ STRING(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" insource)
+ IF(insource)
+ MESSAGE(FATAL_ERROR "${_errorMessage}")
+ ENDIF(insource)
+
+ENDMACRO (MACRO_ENSURE_OUT_OF_SOURCE_BUILD)