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# SPDX-License-Identifier: BSD-3-Clause
# SPDX-FileCopyrightText: 2007-2015 Sven Eckelmann <sven@narfation.org>
# This module defines a bunch of variables used as locations for install
# directories and for library creation
#
# BIN_INSTALL_DIR - the directory where executables will be installed
# CFG_INSTALL_DIR - the directory where configuration will be installed
# LIB_INSTALL_DIR - the directory where libraries will be installed
# INCLUDE_INSTALL_DIR - the directory where header will be installed
# DATA_INSTALL_DIR - the parent directory where applications can install their data
# HTML_INSTALL_DIR - the HTML install dir for documentation
# MAN_INSTALL_DIR - the man page install dir
# PKGCFG_INSTALL_DIR - the pkg-config install dir
if (WIN32)
set(CFG_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/etc" CACHE PATH "The s3d cfg install dir (default prefix/etc/)")
else (WIN32)
set(CFG_INSTALL_DIR "/etc" CACHE PATH "The s3d cfg install dir (default /etc/)")
endif (WIN32)
set(BIN_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "The s3d man install dir (default prefix/bin/)")
set(LIB_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "The s3d lib install dir (default prefix/lib/)")
set(INCLUDE_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "The s3d header install dir (default prefix/include/)")
set(DATA_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/share/s3d/objs" CACHE PATH "The s3d objs install dir (default prefix/share/s3d/objs/)")
set(HTML_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/share/doc/s3d" CACHE PATH "The s3d html documentation install dir (default prefix/share/doc/s3d/)")
set(MAN_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "The s3d man install dir (default prefix/share/man/)")
set(PKGCFG_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig" CACHE PATH "The s3d pkg-config install dir (default prefix/lib/pkgconfig/)")
# add option for enabling/disabling link time optimisation
option(BUILD_LTO "Enable/disable support for link time optimization" OFF)
if (BUILD_LTO)
include(CheckIPOSupported)
check_ipo_supported(RESULT HAVE_IPO)
if(HAVE_IPO)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
endif()
# test for -fwhole-program
include(TestGCCExternally)
# test for -fdata-sections and -ffunction-sections
include(TestGCCSections)
endif (BUILD_LTO)
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