42 lines
1.5 KiB
CMake
42 lines
1.5 KiB
CMake
|
|
# Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
|
|
#
|
|
# 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; version 2 of the License.
|
|
#
|
|
# 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 St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
# This file includes FreeBSD specific options and quirks, related to system checks
|
|
|
|
INCLUDE(CheckCSourceRuns)
|
|
|
|
# We require at least Clang 3.3.
|
|
IF(NOT FORCE_UNSUPPORTED_COMPILER)
|
|
IF(CMAKE_C_COMPILER_ID MATCHES "Clang")
|
|
CHECK_C_SOURCE_RUNS("
|
|
int main()
|
|
{
|
|
return (__clang_major__ < 3) ||
|
|
(__clang_major__ == 3 && __clang_minor__ < 3);
|
|
}" HAVE_SUPPORTED_CLANG_VERSION)
|
|
IF(NOT HAVE_SUPPORTED_CLANG_VERSION)
|
|
MESSAGE(FATAL_ERROR "Clang 3.3 or newer is required!")
|
|
ENDIF()
|
|
ELSE()
|
|
MESSAGE(FATAL_ERROR "Unsupported compiler!")
|
|
ENDIF()
|
|
ENDIF()
|
|
|
|
# Should not be needed any more, but kept for easy resurrection if needed
|
|
# #Legacy option, maybe not needed anymore , taken as is from autotools build
|
|
# ADD_DEFINITIONS(-DNET_RETRY_COUNT=1000000)
|
|
|