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Flang: Fix command-line used to preprocess sources

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Running flang with `-E` now ignores any `-o` option and always prints
preprocessed output to stdout.  Use shell redirection to place it in a
file instead.

Fixes: #18497
This commit is contained in:
Brad King
2018-10-29 14:21:15 -04:00
parent fd02538974
commit 8d782adbce
1 changed files with 1 additions and 1 deletions
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2
Modules/Compiler/Flang-Fortran.cmake
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@@ -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")