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# CMake build for xalan-c
#
# Written by Roger Leigh <rleigh@codelibre.net>
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# thread selection
set(xalan_thread_default std)
set(THREADS_PREFER_PTHREAD_FLAG ON)
add_definitions(-D_THREAD_SAFE=1)
find_package(Threads)
include(CheckCXXSourceCompiles)
function(thread_test outvar)
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
check_cxx_source_compiles(
"#include <thread>
#include <mutex>
#include <iostream>
namespace
{
std::mutex m1;
std::recursive_mutex m2;
void
threadmain()
{
std::lock_guard<std::mutex> lock1(m1);
std::lock_guard<std::recursive_mutex> lock2(m2);
std::cout << \"In thread\" << std::endl;
}
}
int main() {
std::thread foo(threadmain);
foo.join();
return 0;
}"
${outvar})
set(${outvar} ${${outvar}} PARENT_SCOPE)
endfunction(thread_test)
thread_test(XALAN_HAVE_STD_THREAD)
if(XALAN_HAVE_STD_THREAD)
list(APPEND threads standard)
endif()
if(TARGET Threads::Threads)
if(WIN32)
list(APPEND threads windows)
else()
list(APPEND threads posix)
set(HAVE_PTHREAD 1)
endif()
endif()
string(REPLACE ";" "|" thread_help "${threads}")
list(GET threads 0 xalan_thread_default)
set(thread "${xalan_thread_default}" CACHE STRING "Thread implementation (${thread_help})")
list(FIND threads "${thread}" thread_found)
if(thread_found EQUAL -1)
message(FATAL_ERROR "${thread} thread unavailable")
endif()
set(XALAN_USE_THREAD_STD 0)
set(XALAN_USE_THREAD_POSIX 0)
set(XALAN_USE_THREAD_WINDOWS 0)
if(thread STREQUAL "standard")
set(XALAN_USE_THREAD_STD 1)
elseif(thread STREQUAL "posix")
set(XALAN_USE_THREAD_POSIX 1)
elseif(thread STREQUAL "windows")
set(XALAN_USE_THREAD_WINDOWS 1)
else()
message(FATAL_ERROR "Invalid thread implementation: \"${thread}\"")
endif()
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