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#
# CMakeD - CMake module for D Language
#
# Copyright (c) 2007, Selman Ulug <selman.ulug@gmail.com>
# Tim Burrell <tim.burrell@gmail.com>
#
# All rights reserved.
#
# See Copyright.txt for details.
#
# Modified from CMake 2.6.5 CMakeDetermineCCompiler.cmake
# See http://www.cmake.org/HTML/Copyright.html for details
#
# determine the compiler to use for D programs
# NOTE, a generator may set CMAKE_D_COMPILER before
# loading this file to force a compiler.
# use environment variable DC first if defined by user, next use
# the cmake variable CMAKE_GENERATOR_D which can be defined by a generator
# as a default compiler
IF(NOT CMAKE_D_COMPILER)
# prefer the environment variable DC
IF($ENV{DC} MATCHES ".+")
GET_FILENAME_COMPONENT(CMAKE_D_COMPILER_INIT $ENV{DC} PROGRAM PROGRAM_ARGS CMAKE_D_FLAGS_ENV_INIT)
IF(CMAKE_D_FLAGS_ENV_INIT)
SET(CMAKE_D_COMPILER_ARG1 "${CMAKE_D_FLAGS_ENV_INIT}" CACHE STRING "First argument to D compiler")
ENDIF(CMAKE_D_FLAGS_ENV_INIT)
IF(EXISTS ${CMAKE_D_COMPILER_INIT})
ELSE(EXISTS ${CMAKE_D_COMPILER_INIT})
MESSAGE(FATAL_ERROR "Could not find compiler set in environment variable C:\n$ENV{DC}.")
ENDIF(EXISTS ${CMAKE_D_COMPILER_INIT})
ENDIF($ENV{DC} MATCHES ".+")
# next try prefer the compiler specified by the generator
IF(CMAKE_GENERATOR_D)
IF(NOT CMAKE_D_COMPILER_INIT)
SET(CMAKE_D_COMPILER_INIT ${CMAKE_GENERATOR_D})
ENDIF(NOT CMAKE_D_COMPILER_INIT)
ENDIF(CMAKE_GENERATOR_D)
# finally list compilers to try
IF(CMAKE_D_COMPILER_INIT)
SET(CMAKE_D_COMPILER_LIST ${CMAKE_D_COMPILER_INIT})
ELSE(CMAKE_D_COMPILER_INIT)
SET(CMAKE_D_COMPILER_LIST gdc dmd)
ENDIF(CMAKE_D_COMPILER_INIT)
# Find the compiler.
FIND_PROGRAM(CMAKE_D_COMPILER NAMES ${CMAKE_D_COMPILER_LIST} DOC "C compiler")
IF(CMAKE_D_COMPILER_INIT AND NOT CMAKE_D_COMPILER)
SET(CMAKE_D_COMPILER "${CMAKE_D_COMPILER_INIT}" CACHE FILEPATH "C compiler" FORCE)
ENDIF(CMAKE_D_COMPILER_INIT AND NOT CMAKE_D_COMPILER)
ENDIF(NOT CMAKE_D_COMPILER)
MARK_AS_ADVANCED(CMAKE_D_COMPILER)
GET_FILENAME_COMPONENT(COMPILER_LOCATION "${CMAKE_D_COMPILER}" PATH)
FIND_PROGRAM(CMAKE_AR NAMES ar PATHS ${COMPILER_LOCATION} )
FIND_PROGRAM(CMAKE_RANLIB NAMES ranlib)
IF(NOT CMAKE_RANLIB)
SET(CMAKE_RANLIB : CACHE INTERNAL "noop for ranlib")
ENDIF(NOT CMAKE_RANLIB)
MARK_AS_ADVANCED(CMAKE_RANLIB)
# do not test for GNU if the generator is visual studio
IF(${CMAKE_GENERATOR} MATCHES "Visual Studio")
SET(CMAKE_COMPILER_IS_GDC_RUN 1)
ENDIF(${CMAKE_GENERATOR} MATCHES "Visual Studio")
IF(NOT CMAKE_COMPILER_IS_GDC_RUN)
# test to see if the d compiler is gdc
SET(CMAKE_COMPILER_IS_GDC_RUN 1)
IF("${CMAKE_D_COMPILER}" MATCHES ".*gdc.*" )
SET(CMAKE_COMPILER_IS_GDC 1)
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining if the D compiler is GDC succeeded with "
"the following output:\n${CMAKE_D_COMPILER}\n\n")
EXEC_PROGRAM(${CMAKE_D_COMPILER} ARGS "--version" OUTPUT_VARIABLE CMAKE_COMPILER_OUTPUT)
IF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*mingw.*" )
SET(CMAKE_COMPILER_IS_MINGW 1)
ENDIF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*mingw.*" )
IF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_CYGWIN.*" )
SET(CMAKE_COMPILER_IS_CYGWIN 1)
ENDIF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_CYGWIN.*" )
ELSE("${CMAKE_D_COMPILER}" MATCHES ".*dmd.*" )
SET(CMAKE_COMPILER_IS_DMD 1)
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining if the D compiler is DMD succeeded with "
"the following output:\n${CMAKE_D_COMPILER}\n\n")
ENDIF("${CMAKE_D_COMPILER}" MATCHES ".*gdc.*" )
ENDIF(NOT CMAKE_COMPILER_IS_GDC_RUN)
# configure variables set in this file for fast reload later on
IF(EXISTS ${CMAKE_MODULE_PATH}/CMakeDCompiler.cmake.in)
CONFIGURE_FILE(${CMAKE_MODULE_PATH}/CMakeDCompiler.cmake.in
"${CMAKE_PLATFORM_ROOT_BIN}/CMakeDCompiler.cmake" IMMEDIATE)
ELSE(EXISTS ${CMAKE_MODULE_PATH}/CMakeDCompiler.cmake.in)
CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeDCompiler.cmake.in
"${CMAKE_PLATFORM_ROOT_BIN}/CMakeDCompiler.cmake" IMMEDIATE)
ENDIF(EXISTS ${CMAKE_MODULE_PATH}/CMakeDCompiler.cmake.in)
MARK_AS_ADVANCED(CMAKE_AR)
SET(CMAKE_D_COMPILER_ENV_VAR "DC")
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