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CMakeDetermineFortranCompiler: add support for cross-compiling (#13379) 

This adds the same support code for cross compiling to
CMakeDetermineFortranCompiler as there is already in the
C and CXX versions of this file.

Alex
This commit is contained in:
Alex Neundorf 2012-09-04 21:10:02 +02:00 committed by Brad King
parent 508ed6940b
commit 7924aacbfa
1 changed files with 26 additions and 0 deletions
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26
Modules/CMakeDetermineFortranCompiler.cmake
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@ -189,6 +189,32 @@ if(NOT CMAKE_Fortran_COMPILER_ID_RUN)
endif() endif()
endif() endif()
if (NOT _CMAKE_TOOLCHAIN_LOCATION)
get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_Fortran_COMPILER}" PATH)
endif ()
# if we have a fortran cross compiler, they have usually some prefix, like
# e.g. powerpc-linux-gfortran, arm-elf-gfortran or i586-mingw32msvc-gfortran , optionally
# with a 3-component version number at the end (e.g. arm-eabi-gcc-4.5.2).
# The other tools of the toolchain usually have the same prefix
# NAME_WE cannot be used since then this test will fail for names lile
# "arm-unknown-nto-qnx6.3.0-gcc.exe", where BASENAME would be
# "arm-unknown-nto-qnx6" instead of the correct "arm-unknown-nto-qnx6.3.0-"
if (CMAKE_CROSSCOMPILING
AND "${CMAKE_Fortran_COMPILER_ID}" MATCHES "GNU"
AND NOT _CMAKE_TOOLCHAIN_PREFIX)
get_filename_component(COMPILER_BASENAME "${CMAKE_Fortran_COMPILER}" NAME)
if (COMPILER_BASENAME MATCHES "^(.+-)g?fortran(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
endif ()
# if "llvm-" is part of the prefix, remove it, since llvm doesn't have its own binutils
# but uses the regular ar, objcopy, etc. (instead of llvm-objcopy etc.)
if ("${_CMAKE_TOOLCHAIN_PREFIX}" MATCHES "(.+-)?llvm-$")
set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
endif ()
endif ()
include(CMakeFindBinUtils) include(CMakeFindBinUtils)
if(MSVC_Fortran_ARCHITECTURE_ID) if(MSVC_Fortran_ARCHITECTURE_ID)