# - Try to find SIGC++
# Once done this will define
#
# SIGC++_FOUND - system has SIGC++
# SIGC++_INCLUDE_DIRS - the SIGC++ include directory
# SIGC++_LIBRARIES - Link these to use SIGC++
# SIGC++_DEFINITIONS - Compiler switches required for using SIGC++
#
# Copyright (c) 2008 Andreas Schneider <mail@cynapses.org>
#
# Redistribution and use is allowed according to the terms of the New
# BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
#
if (SIGC++_LIBRARIES AND SIGC++_INCLUDE_DIRS)
# in cache already
set(SIGC++_FOUND TRUE)
else (SIGC++_LIBRARIES AND SIGC++_INCLUDE_DIRS)
# use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
if (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
include(UsePkgConfig)
pkgconfig(sigc++-2.0 _SIGC++_INCLUDEDIR _SIGC++_LIBDIR _SIGC++_LDFLAGS _SIGC++_CFLAGS)
else (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
find_package(PkgConfig)
if (PKG_CONFIG_FOUND)
pkg_check_modules(_SIGC++ sigc++-2.0)
endif (PKG_CONFIG_FOUND)
endif (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
find_path(SIGC++_INCLUDE_DIR
NAMES
sigc++/sigc++.h
PATHS
${_SIGC++_INCLUDEDIR}
PATH_SUFFIXES
sigc++-2.0
)
find_path(SIGC++_CONFIG_INCLUDE_DIR
NAMES
sigc++config.h
PATHS
${_SIGC++_INCLUDEDIR}
/opt/local/lib/sigc++-2.0/include
/usr/lib/sigc++-2.0/include
/usr/lib64/sigc++-2.0/include
)
find_library(SIGC-2.0_LIBRARY
NAMES
sigc-2.0
PATHS
${_SIGC++_LIBDIR}
)
if (SIGC-2.0_LIBRARY)
set(SIGC-2.0_FOUND TRUE)
endif (SIGC-2.0_LIBRARY)
set(SIGC++_INCLUDE_DIRS
${SIGC++_INCLUDE_DIR}
${SIGC++_CONFIG_INCLUDE_DIR}
)
if (SIGC-2.0_FOUND)
set(SIGC++_LIBRARIES
${SIGC++_LIBRARIES}
${SIGC-2.0_LIBRARY}
)
endif (SIGC-2.0_FOUND)
if (SIGC++_INCLUDE_DIRS AND SIGC++_LIBRARIES)
set(SIGC++_FOUND TRUE)
endif (SIGC++_INCLUDE_DIRS AND SIGC++_LIBRARIES)
if (SIGC++_FOUND)
if (NOT SIGC++_FIND_QUIETLY)
message(STATUS "Found SIGC++: ${SIGC++_LIBRARIES}")
endif (NOT SIGC++_FIND_QUIETLY)
else (SIGC++_FOUND)
if (SIGC++_FIND_REQUIRED)
message(FATAL_ERROR "Could not find SIGC++")
endif (SIGC++_FIND_REQUIRED)
endif (SIGC++_FOUND)
# show the SIGC++_INCLUDE_DIRS and SIGC++_LIBRARIES variables only in the advanced view
mark_as_advanced(SIGC++_INCLUDE_DIRS SIGC++_LIBRARIES)
endif (SIGC++_LIBRARIES AND SIGC++_INCLUDE_DIRS)
# Try to add -std=c++11 if needed - see:
macro (sigcpp_compile extra_cppflags)
set(sigcpp_compile_output "")
try_compile(SIGCPP_COMPILES_FINE "${CMAKE_BINARY_DIR}/sigcpp-bindir"
SOURCES "${CMAKE_SOURCE_DIR}/CMakeScripts/Modules/sigcpp_test.cpp"
COMPILE_DEFINITIONS ${_SIGC++_CFLAGS} ${extra_cppflags}
LINK_LIBRARIES ${SIGC++_LIBRARIES}
OUTPUT_VARIABLE sigcpp_compile_output)
endmacro()
sigcpp_compile("")
if (NOT "${SIGCPP_COMPILES_FINE}")
set (cppflag "-std=c++11")
sigcpp_compile("${cppflag}")
if ("${SIGCPP_COMPILES_FINE}")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${cppflag}")
else()
message(FATAL_ERROR "Could not compile against SIGC++ - output is <<${sigcpp_compile_output}>>")
endif()
endif()