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#
# This module finds if IMLIB2 is available and determines where the
# include files and libraries are.
# On Unix/Linux it relies on the output of imlib2-config.
# This code sets the following variables:
#
#
#
# IMLIB2_FOUND = system has IMLIB2 lib
#
# IMLIB2_LIBRARIES = full path to the libraries
# on Unix/Linux with additional linker flags from "imlib2-config --libs"
#
# CMAKE_IMLIB2_CXX_FLAGS = Unix compiler flags for IMLIB2, essentially "`imlib2-config --cxxflags`"
#
# IMLIB2_INCLUDE_DIR = where to find headers
#
# IMLIB2_LINK_DIRECTORIES = link directories, useful for rpath on Unix
#
#
# author Jan Woetzel and Jan-Friso Evers
# www.mip.informatik.uni-kiel.de/~jw
IF(WIN32)
MESSAGE("FindIMLIB2.cmake: IMLIB2 not (yet) supported on WIN32")
SET(IMLIB2_FOUND OFF )
ELSE(WIN32)
IF(UNIX)
SET(IMLIB2_CONFIG_PREFER_PATH "$ENV{IMLIB2_HOME}/bin" CACHE STRING "preferred path to imlib2")
FIND_PROGRAM(IMLIB2_CONFIG imlib2-config
${IMLIB2_CONFIG_PREFER_PATH}
/usr/bin/
/opt/gnome/bin/)
IF (IMLIB2_CONFIG)
# OK, found imlib2-config.
# set CXXFLAGS to be fed into CXX_FLAGS by the user:
SET(IMLIB2_CXX_FLAGS "`${IMLIB2_CONFIG} --cflags`")
# set INCLUDE_DIRS to prefix+include
EXEC_PROGRAM(${IMLIB2_CONFIG}
ARGS --prefix
OUTPUT_VARIABLE IMLIB2_PREFIX)
SET(IMLIB2_INCLUDE_DIR ${IMLIB2_PREFIX}/include CACHE STRING INTERNAL)
# extract link dirs for rpath
EXEC_PROGRAM(${IMLIB2_CONFIG}
ARGS --libs
OUTPUT_VARIABLE IMLIB2_CONFIG_LIBS)
# set link libraries and link flags
#SET(IMLIB2_LIBRARIES "`${IMLIB2_CONFIG} --libs`")
SET(IMLIB2_LIBRARIES ${IMLIB2_CONFIG_LIBS})
# split off the link dirs (for rpath)
# use regular expression to match wildcard equivalent "-L*<endchar>"
# with <endchar> is a space or a semicolon
STRING(REGEX MATCHALL "[-][L]([^ ;])+"
IMLIB2_LINK_DIRECTORIES_WITH_PREFIX
"${IMLIB2_CONFIG_LIBS}")
#MESSAGE("DBG IMLIB2_LINK_DIRECTORIES_WITH_PREFIX=${IMLIB2_LINK_DIRECTORIES_WITH_PREFIX}")
# remove prefix -L because we need the pure directory for LINK_DIRECTORIES
# replace -L by ; because the separator seems to be lost otherwise (bug or feature?)
IF (IMLIB2_LINK_DIRECTORIES_WITH_PREFIX)
STRING(REGEX REPLACE "[-][L]" ";" IMLIB2_LINK_DIRECTORIES ${IMLIB2_LINK_DIRECTORIES_WITH_PREFIX} )
#MESSAGE("DBG IMLIB2_LINK_DIRECTORIES=${IMLIB2_LINK_DIRECTORIES}")
ENDIF (IMLIB2_LINK_DIRECTORIES_WITH_PREFIX)
# replace space separated string by semicolon separated vector to make
# it work with LINK_DIRECTORIES
SEPARATE_ARGUMENTS(IMLIB2_LINK_DIRECTORIES)
MARK_AS_ADVANCED(IMLIB2_CXX_FLAGS
IMLIB2_INCLUDE_DIR
IMLIB2_LIBRARIES
IMLIB2_LINK_DIRECTORIES
IMLIB2_CONFIG_PREFER_PATH
IMLIB2_CONFIG)
ELSE(IMLIB2_CONFIG)
MESSAGE( "FindIMLIB2.cmake: imlib2-config not found. Please set it manually. IMLIB2_CONFIG=${IMLIB2_CONFIG}")
ENDIF(IMLIB2_CONFIG)
ENDIF(UNIX)
ENDIF(WIN32)
IF(IMLIB2_LIBRARIES)
IF(IMLIB2_INCLUDE_DIR OR IMLIB2_CXX_FLAGS)
SET(IMLIB2_FOUND 1)
ENDIF(IMLIB2_INCLUDE_DIR OR IMLIB2_CXX_FLAGS)
ENDIF(IMLIB2_LIBRARIES)
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