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-rw-r--r--Modules/FindRuby.cmake2
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/FindRuby.cmake b/Modules/FindRuby.cmake
index b5ac703..0950d15 100644
--- a/Modules/FindRuby.cmake
+++ b/Modules/FindRuby.cmake
@@ -90,7 +90,7 @@ if(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
RESULT_VARIABLE _RUBY_SUCCESS
OUTPUT_VARIABLE _RUBY_OUTPUT
ERROR_QUIET)
- if(_RUBY_SUCCESS OR NOT _RUBY_OUTPUT)
+ if(_RUBY_SUCCESS OR _RUBY_OUTPUT STREQUAL "")
execute_process(COMMAND ${RUBY_EXECUTABLE} -r rbconfig -e "print Config::CONFIG['${RBVAR}']"
RESULT_VARIABLE _RUBY_SUCCESS
OUTPUT_VARIABLE _RUBY_OUTPUT