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-rw-r--r--Modules/UseSWIG.cmake1
1 files changed, 1 insertions, 0 deletions
diff --git a/Modules/UseSWIG.cmake b/Modules/UseSWIG.cmake
index 651f9f1..ffb72a0 100644
--- a/Modules/UseSWIG.cmake
+++ b/Modules/UseSWIG.cmake
@@ -212,6 +212,7 @@ macro(SWIG_ADD_SOURCE_TO_MODULE name outfiles infile)
"${swig_source_file_fullname}"
MAIN_DEPENDENCY "${swig_source_file_fullname}"
DEPENDS ${SWIG_MODULE_${name}_EXTRA_DEPS}
+ IMPLICIT_DEPENDS CXX "${swig_source_file_fullname}"
COMMENT "Swig source")
set_source_files_properties("${swig_generated_file_fullname}" ${swig_extra_generated_files}
PROPERTIES GENERATED 1)