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# copyright (c) 2007, 2009 Arno Rehn arno@arnorehn.de
# copyright (c) 2008 Helio castro helio@kde.org
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# determine the compiler to use for C# programs
# NOTE, a generator may set CMAKE_CSharp_COMPILER before
# loading this file to force a compiler.
if(NOT CMAKE_CSharp_COMPILER)
# prefer the environment variable CSC
if($ENV{CSC} MATCHES ".+")
if (EXISTS $ENV{CSC})
message(STATUS "Found compiler set in environment variable CSC: $ENV{CSC}.")
set(CMAKE_CSharp_COMPILER $ENV{CSC})
else (EXISTS $ENV{CSC})
message(SEND_ERROR "Could not find compiler set in environment variable CSC:\n$ENV{CSC}.")
endif (EXISTS $ENV{CSC})
endif($ENV{CSC} MATCHES ".+")
# if no compiler has been specified yet, then look for one
if (NOT CMAKE_CSharp_COMPILER)
find_package(Mono)
set (CMAKE_CSharp_COMPILER "${GMCS_EXECUTABLE}")
# still not found, try csc.exe
if (NOT CMAKE_CSharp_COMPILER)
get_filename_component(dotnet_path "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework;InstallRoot]" PATH)
find_program(CMAKE_CSharp_COMPILER NAMES csc PATHS "${dotnet_path}/Framework/v2.0.50727")
file(TO_NATIVE_PATH "${dotnet_path}/Framework/v2.0.50727" native_path)
message(STATUS "Looking for csc: ${CMAKE_CSharp_COMPILER}")
# give up
if (NOT CMAKE_CSharp_COMPILER)
message (STATUS "Couldn't find a valid C# compiler. Set either CMake_CSharp_COMPILER or the CSC environment variable to a valid path.")
endif (NOT CMAKE_CSharp_COMPILER)
endif (NOT CMAKE_CSharp_COMPILER)
endif (NOT CMAKE_CSharp_COMPILER)
endif(NOT CMAKE_CSharp_COMPILER)
# now try to find the gac location
if (CMAKE_CSharp_COMPILER AND NOT GAC_DIR AND MONO_FOUND)
find_package(PkgConfig)
if (PKG_CONFIG_FOUND)
pkg_search_module(MONO_CECIL mono-cecil)
if(MONO_CECIL_FOUND)
execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} mono-cecil --variable=assemblies_dir OUTPUT_VARIABLE GAC_DIR OUTPUT_STRIP_TRAILING_WHITESPACE)
endif(MONO_CECIL_FOUND)
pkg_search_module(CECIL cecil)
if(CECIL_FOUND)
execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} cecil --variable=assemblies_dir OUTPUT_VARIABLE GAC_DIR OUTPUT_STRIP_TRAILING_WHITESPACE)
endif(CECIL_FOUND)
if (NOT GAC_DIR)
execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} mono --variable=libdir OUTPUT_VARIABLE MONO_LIB_DIR OUTPUT_STRIP_TRAILING_WHITESPACE)
if (MONO_LIB_DIR)
set (GAC_DIR "${MONO_LIB_DIR}/mono")
message (STATUS "Could not find cecil, guessing GAC dir from mono prefix: ${GAC_DIR}")
endif (MONO_LIB_DIR)
endif (NOT GAC_DIR)
endif (PKG_CONFIG_FOUND)
if (NOT GAC_DIR)
set (GAC_DIR "/usr/lib/mono")
message(STATUS "Could not find cecil or mono. Using default GAC dir: ${GAC_DIR}")
endif (NOT GAC_DIR)
endif (CMAKE_CSharp_COMPILER AND NOT GAC_DIR AND MONO_FOUND)
# Create a cache entry so the user can modify this.
set(GAC_DIR "${GAC_DIR}" CACHE PATH "Location of the GAC")
message(STATUS "Using GAC dir: ${GAC_DIR}")
mark_as_advanced(CMAKE_CSharp_COMPILER)
if (CMAKE_CSharp_COMPILER)
set (CMAKE_CSharp_COMPILER_LOADED 1)
endif (CMAKE_CSharp_COMPILER)
# configure variables set in this file for fast reload later on
if(NOT CMAKE_PLATFORM_INFO_DIR) # pre-2.8.10
set(CMAKE_PLATFORM_INFO_DIR ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY})
endif()
configure_file(${CMAKE_SOURCE_DIR}/cmake/CMakeCSharpCompiler.cmake.in
${CMAKE_PLATFORM_INFO_DIR}/CMakeCSharpCompiler.cmake IMMEDIATE @ONLY)
set(CMAKE_CSharp_COMPILER_ENV_VAR "CSC")
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