48 lines
2.0 KiB
CMake
48 lines
2.0 KiB
CMake
# cmake/TestSignalType.cmake
|
|
#
|
|
# Test for the return type of signal defined in <signal.h>
|
|
#
|
|
# Copyright (C) 2006 Andrew Ross
|
|
#
|
|
# This file is part of PLplot.
|
|
#
|
|
# PLplot is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU Library General Public License as published
|
|
# by the Free Software Foundation; version 2 of the License.
|
|
#
|
|
# PLplot 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 Library General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Library General Public License
|
|
# along with the file PLplot; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
# If signal.h defines signal as returning a pointer to a function
|
|
# returning void RETSIGTYPE is defined as void. Otherwise RETSIGTYPE is
|
|
# defined as int.
|
|
|
|
IF(NOT DEFINED CMAKE_TEST_SIGNAL_TYPE)
|
|
MESSAGE(STATUS "Check for signal return type in <signal.h>")
|
|
TRY_COMPILE(CMAKE_TEST_SIGNAL_TYPE
|
|
${CMAKE_BINARY_DIR}
|
|
${CMAKE_SOURCE_DIR}/cmake/TestSignalType.c
|
|
OUTPUT_VARIABLE OUTPUT)
|
|
IF (CMAKE_TEST_SIGNAL_TYPE)
|
|
MESSAGE(STATUS "Check for signal handler return type type void - found")
|
|
SET (RETSIGTYPE void CACHE INTERNAL
|
|
"Signal return type")
|
|
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
|
|
"Determining if signal handler return type is void passed with "
|
|
"the following output:\n${OUTPUT}\n\n")
|
|
ELSE (CMAKE_TEST_SIGNAL_TYPE)
|
|
MESSAGE(STATUS "Check for signal handler return type type void - not found")
|
|
SET (RETSIGTYPE int CACHE INTERNAL
|
|
"Signal return type")
|
|
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
|
|
"Determining if signal handler return type is void failed with "
|
|
"the following output:\n${OUTPUT}\n\n")
|
|
ENDIF (CMAKE_TEST_SIGNAL_TYPE)
|
|
ENDIF(NOT DEFINED CMAKE_TEST_SIGNAL_TYPE)
|