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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#.rst:
# CMakeForceCompiler
# ------------------
#
# Deprecated. Do not use.
#
# The macros provided by this module were once intended for use by
# cross-compiling toolchain files when CMake was not able to automatically
# detect the compiler identification. Since the introduction of this module,
# CMake's compiler identification capabilities have improved and can now be
# taught to recognize any compiler. Furthermore, the suite of information
# CMake detects from a compiler is now too extensive to be provided by
# toolchain files using these macros.
#
# One common use case for this module was to skip CMake's checks for a
# working compiler when using a cross-compiler that cannot link binaries
# without special flags or custom linker scripts. This case is now supported
# by setting the :variable:`CMAKE_TRY_COMPILE_TARGET_TYPE` variable in the
# toolchain file instead.
#
# -------------------------------------------------------------------------
#
# Macro CMAKE_FORCE_C_COMPILER has the following signature:
#
# ::
#
# CMAKE_FORCE_C_COMPILER(<compiler> <compiler-id>)
#
# It sets CMAKE_C_COMPILER to the given compiler and the cmake internal
# variable CMAKE_C_COMPILER_ID to the given compiler-id. It also
# bypasses the check for working compiler and basic compiler information
# tests.
#
# Macro CMAKE_FORCE_CXX_COMPILER has the following signature:
#
# ::
#
# CMAKE_FORCE_CXX_COMPILER(<compiler> <compiler-id>)
#
# It sets CMAKE_CXX_COMPILER to the given compiler and the cmake
# internal variable CMAKE_CXX_COMPILER_ID to the given compiler-id. It
# also bypasses the check for working compiler and basic compiler
# information tests.
#
# Macro CMAKE_FORCE_Fortran_COMPILER has the following signature:
#
# ::
#
# CMAKE_FORCE_Fortran_COMPILER(<compiler> <compiler-id>)
#
# It sets CMAKE_Fortran_COMPILER to the given compiler and the cmake
# internal variable CMAKE_Fortran_COMPILER_ID to the given compiler-id.
# It also bypasses the check for working compiler and basic compiler
# information tests.
#
# So a simple toolchain file could look like this:
#
# ::
#
# include (CMakeForceCompiler)
# set(CMAKE_SYSTEM_NAME Generic)
# CMAKE_FORCE_C_COMPILER (chc12 MetrowerksHicross)
# CMAKE_FORCE_CXX_COMPILER (chc12 MetrowerksHicross)
macro(CMAKE_FORCE_C_COMPILER compiler id)
message(DEPRECATION "The CMAKE_FORCE_C_COMPILER macro is deprecated. "
"Instead just set CMAKE_C_COMPILER and allow CMake to identify the compiler.")
set(CMAKE_C_COMPILER "${compiler}")
set(CMAKE_C_COMPILER_ID_RUN TRUE)
set(CMAKE_C_COMPILER_ID ${id})
set(CMAKE_C_COMPILER_FORCED TRUE)
# Set old compiler id variables.
if(CMAKE_C_COMPILER_ID MATCHES "GNU")
set(CMAKE_COMPILER_IS_GNUCC 1)
endif()
endmacro()
macro(CMAKE_FORCE_CXX_COMPILER compiler id)
message(DEPRECATION "The CMAKE_FORCE_CXX_COMPILER macro is deprecated. "
"Instead just set CMAKE_CXX_COMPILER and allow CMake to identify the compiler.")
set(CMAKE_CXX_COMPILER "${compiler}")
set(CMAKE_CXX_COMPILER_ID_RUN TRUE)
set(CMAKE_CXX_COMPILER_ID ${id})
set(CMAKE_CXX_COMPILER_FORCED TRUE)
# Set old compiler id variables.
if("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
set(CMAKE_COMPILER_IS_GNUCXX 1)
endif()
endmacro()
macro(CMAKE_FORCE_Fortran_COMPILER compiler id)
message(DEPRECATION "The CMAKE_FORCE_Fortran_COMPILER macro is deprecated. "
"Instead just set CMAKE_Fortran_COMPILER and allow CMake to identify the compiler.")
set(CMAKE_Fortran_COMPILER "${compiler}")
set(CMAKE_Fortran_COMPILER_ID_RUN TRUE)
set(CMAKE_Fortran_COMPILER_ID ${id})
set(CMAKE_Fortran_COMPILER_FORCED TRUE)
# Set old compiler id variables.
if(CMAKE_Fortran_COMPILER_ID MATCHES "GNU")
set(CMAKE_COMPILER_IS_GNUG77 1)
endif()
endmacro()
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