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-rw-r--r--cmake/modules/OptionTools.cmake11
1 files changed, 11 insertions, 0 deletions
diff --git a/cmake/modules/OptionTools.cmake b/cmake/modules/OptionTools.cmake
new file mode 100644
index 000000000..066d53078
--- /dev/null
+++ b/cmake/modules/OptionTools.cmake
@@ -0,0 +1,11 @@
+function(envoption PREFIX DEFAULT_VALUE)
+ set(VALUE ${DEFAULT_VALUE})
+
+ if(DEFINED ENV{${PREFIX}})
+ set(VALUE $ENV{${PREFIX}})
+ endif()
+
+ set(${PREFIX} ${VALUE} PARENT_SCOPE)
+endfunction(envoption)
+
+set(OptionTools_FOUND TRUE)