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Diffstat (limited to 'Modules/FortranCInterface/Detect.cmake')
-rw-r--r--Modules/FortranCInterface/Detect.cmake19
1 files changed, 11 insertions, 8 deletions
diff --git a/Modules/FortranCInterface/Detect.cmake b/Modules/FortranCInterface/Detect.cmake
index 998faf1ec..9e5726b03 100644
--- a/Modules/FortranCInterface/Detect.cmake
+++ b/Modules/FortranCInterface/Detect.cmake
@@ -6,14 +6,17 @@ configure_file(${FortranCInterface_SOURCE_DIR}/Input.cmake.in
# Detect the Fortran/C interface on the first run or when the
# configuration changes.
-if(${FortranCInterface_BINARY_DIR}/Input.cmake
- IS_NEWER_THAN ${FortranCInterface_BINARY_DIR}/Output.cmake
- OR ${FortranCInterface_SOURCE_DIR}/Output.cmake.in
- IS_NEWER_THAN ${FortranCInterface_BINARY_DIR}/Output.cmake
- OR ${FortranCInterface_SOURCE_DIR}/CMakeLists.txt
- IS_NEWER_THAN ${FortranCInterface_BINARY_DIR}/Output.cmake
- OR ${CMAKE_CURRENT_LIST_FILE}
- IS_NEWER_THAN ${FortranCInterface_BINARY_DIR}/Output.cmake
+if(NOT EXISTS ${FortranCInterface_BINARY_DIR}/Output.cmake
+ OR NOT EXISTS ${FortranCInterface_BINARY_DIR}/Input.cmake
+ OR NOT EXISTS ${FortranCInterface_BINARY_DIR}/Output.cmake.in
+ OR NOT ${FortranCInterface_BINARY_DIR}/Output.cmake
+ IS_NEWER_THAN ${FortranCInterface_BINARY_DIR}/Input.cmake
+ OR NOT ${FortranCInterface_SOURCE_DIR}/Output.cmake
+ IS_NEWER_THAN ${FortranCInterface_BINARY_DIR}/Output.cmake.in
+ OR NOT ${FortranCInterface_BINARY_DIR}/Output.cmake
+ IS_NEWER_THAN ${FortranCInterface_SOURCE_DIR}/CMakeLists.txt
+ OR NOT ${FortranCInterface_BINARY_DIR}/Output.cmake
+ IS_NEWER_THAN ${CMAKE_CURRENT_LIST_FILE}
)
message(CHECK_START "Detecting Fortran/C Interface")
else()