Merge topic 'flang-preprocess-source'

8d782adbce Flang: Fix command-line used to preprocess sources

Acked-by: Kitware Robot <[email protected]>
Merge-request: !2545

Modules/Compiler/Flang-Fortran.cmake

@@ -2,7 +2,7 @@ include(Compiler/Clang)
 __compiler_clang(Fortran)
 
 set(CMAKE_Fortran_PREPROCESS_SOURCE
-    "<CMAKE_Fortran_COMPILER> -cpp <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> -o <PREPROCESSED_SOURCE>")
+    "<CMAKE_Fortran_COMPILER> -cpp <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
 
 set(CMAKE_Fortran_FORMAT_FIXED_FLAG "-ffixed-form")
 set(CMAKE_Fortran_FORMAT_FREE_FLAG "-ffree-form")