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CMake/Modules/Compiler/GNU-Fortran.cmake

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Split GNU compiler information files This moves GNU compiler flags into new-style modules Compiler/GNU-<lang>.cmake Platform/<os>-GNU-<lang>.cmake We use language-independent helper modules Compiler/GNU.cmake Platform/<os>-GNU.cmake to define macros consolidating the information.
2009-12-02 17:52:00 +03:00
include(Compiler/GNU)
__compiler_gnu(Fortran)
Ninja: Add explicit preprocessing step for Fortran All Fortran sources need to be preprocessed before any source may be compiled so that module dependencies can be (later) extracted. Factor out an explicit preprocessing step preceding compilation. Use Ninja depfile dependencies on the preprocessing step and then compile the already-preprocessed source with a separate build statement that depends explicitly only on the preprocessor output. Later we will insert dynamic discovery of module dependencies between these steps.
2016-09-21 22:38:53 +03:00
set(CMAKE_Fortran_PREPROCESS_SOURCE
"<CMAKE_Fortran_COMPILER> -cpp <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> -o <PREPROCESSED_SOURCE>")
Fortran: Add support for free- and fixed-form flags Define a "Fortran_FORMAT" target and source file property. Initialize the target property from a "CMAKE_Fortran_FORMAT" variable. Interpret values "FIXED" and "FREE" to indicate the source file format. Append corresponding flags to the compiler command line.
2011-08-31 18:24:43 +04:00
set(CMAKE_Fortran_FORMAT_FIXED_FLAG "-ffixed-form")
set(CMAKE_Fortran_FORMAT_FREE_FLAG "-ffree-form")
Split GNU compiler information files This moves GNU compiler flags into new-style modules Compiler/GNU-<lang>.cmake Platform/<os>-GNU-<lang>.cmake We use language-independent helper modules Compiler/GNU.cmake Platform/<os>-GNU.cmake to define macros consolidating the information.
2009-12-02 17:52:00 +03:00
# No -DNDEBUG for Fortran.
Honor CMAKE_<LANG>_FLAGS[_<CONFIG>]_INIT set in toolchain files Document these variables. Change our convention for setting these variables from: set(CMAKE_C_FLAGS_INIT "...") to string(APPEND CMAKE_C_FLAGS_INIT " ...") so that any value previously set by a toolchain file will be used. Automate the conversion with: sed -i 's/set *(\(CMAKE_\(C\|CXX\|Fortran\|RC\|ASM\|${[^}]\+}\)_FLAGS\(_[^_]\+\)\?_INIT \+"\)/string(APPEND \1 /' \ Modules/Compiler/*.cmake Modules/Platform/*.cmake and follow up with some manual fixes (e.g. to cases that already meant to append). Also revert the automated changes to contexts that are not protected from running multiple times.
2016-07-05 20:35:13 +03:00
string(APPEND CMAKE_Fortran_FLAGS_MINSIZEREL_INIT " -Os")
string(APPEND CMAKE_Fortran_FLAGS_RELEASE_INIT " -O3")
Split GNU compiler information files This moves GNU compiler flags into new-style modules Compiler/GNU-<lang>.cmake Platform/<os>-GNU-<lang>.cmake We use language-independent helper modules Compiler/GNU.cmake Platform/<os>-GNU.cmake to define macros consolidating the information.
2009-12-02 17:52:00 +03:00
GNU: Do not use -isystem with gfortran The compiler documents that USE statements search for ".mod" files in directories specified with -I, but not -isystem. Reported-by: Hugh Sorby <h.sorby@auckland.ac.nz>
2015-03-26 16:32:39 +03:00
# No -isystem for Fortran because it will not find .mod files.
unset(CMAKE_INCLUDE_SYSTEM_FLAG_Fortran)
Split GNU compiler information files This moves GNU compiler flags into new-style modules Compiler/GNU-<lang>.cmake Platform/<os>-GNU-<lang>.cmake We use language-independent helper modules Compiler/GNU.cmake Platform/<os>-GNU.cmake to define macros consolidating the information.
2009-12-02 17:52:00 +03:00
# Fortran-specific feature flags.
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
set(CMAKE_Fortran_MODDIR_FLAG -J)