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# Copyright (C) 2008-2014 LAAS-CNRS, JRL AIST-CNRS.
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
# Shared library related constants
# (used for pkg-config file generation).
# FIXME: can't we get these information from CMake directly?
IF(WIN32)
SET(LIBDIR_KW "/LIBPATH:")
SET(LIBINCL_KW "")
SET(LIBINCL_ABSKW "")
SET(LIB_EXT ".lib")
ELSEIF(UNIX)
SET(LIBDIR_KW "-L")
SET(LIBINCL_KW "-l")
SET(LIB_EXT "")
# Using -l:/some/absolute/path.so was an "undocumented ld feature, in
# actual fact a ld bug, that has since been fixed".
# This was apparently used (e.g. in ROS) because of pkg-config problems that
# have since been fixed.
# See: https://github.com/ros/catkin/issues/694#issuecomment-88323282
# Note: ld version on Linux can be 2.25.1 or 2.24
IF (NOT CMAKE_LINKER)
INCLUDE(CMakeFindBinUtils)
ENDIF()
EXECUTE_PROCESS(COMMAND ${CMAKE_LINKER} -v OUTPUT_VARIABLE LD_VERSION_STR ERROR_VARIABLE LD_VERSION_STR)
STRING(REGEX MATCH "([0-9]+\\.[0-9]+(\\.[0-9]+)?)" LD_VERSION ${LD_VERSION_STR})
IF(${LD_VERSION} VERSION_LESS "2.24.90")
SET(LIBINCL_ABSKW "-l:")
ELSE()
SET(LIBINCL_ABSKW "")
ENDIF()
ENDIF(WIN32)