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# Find Libical
#
# LibIcal_FOUND - system has Libical with the minimum version needed
# LibIcal_INCLUDE_DIRS - the Libical include directories
# LibIcal_LIBRARIES - The libraries needed to use Libical
# LibIcal_VERSION = The value of ICAL_VERSION defined in ical.h
# LibIcal_MAJOR_VERSION = The library major version number
# LibIcal_MINOR_VERSION = The library minor version number
# Copyright (c) 2008,2010 Allen Winter <winter@kde.org>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
if(NOT LibIcal_FIND_VERSION)
set(LibIcal_FIND_VERSION "0.33")
endif()
if (WIN32)
file(TO_CMAKE_PATH "$ENV{PROGRAMFILES}" _program_FILES_DIR)
endif()
#set the root from the LibIcal_BASE environment
file(TO_CMAKE_PATH "$ENV{LibIcal_BASE}" libical_root)
#override the root from LibIcal_BASE defined to cmake
if(DEFINED LibIcal_BASE)
file(TO_CMAKE_PATH "${LibIcal_BASE}" libical_root)
endif()
find_path(LibIcal_INCLUDE_DIRS
NAMES libical/ical.h
HINTS ${libical_root}/include ${_program_FILES_DIR}/libical/include
)
find_library(LibIcal_LIBRARY
NAMES ical libical
HINTS ${libical_root}/lib ${_program_FILES_DIR}/libical/lib
)
find_library(LibIcalss_LIBRARY
NAMES icalss libicalss
HINTS ${libical_root}/lib ${_program_FILES_DIR}/libical/lib
)
set(LibIcal_LIBRARIES ${LibIcal_LIBRARY} ${LibIcalss_LIBRARY})
if(LibIcal_INCLUDE_DIRS AND LibIcal_LIBRARIES)
set(FIND_LibIcal_VERSION_SOURCE
"#include <libical/ical.h>\n int main()\n {\n printf(\"%s\",ICAL_VERSION);return 1;\n }\n")
set(FIND_LibIcal_VERSION_SOURCE_FILE ${CMAKE_BINARY_DIR}/CMakeTmp/FindLIBICAL.cxx)
file(WRITE "${FIND_LibIcal_VERSION_SOURCE_FILE}" "${FIND_LibIcal_VERSION_SOURCE}")
set(FIND_LibIcal_VERSION_ADD_INCLUDES
"-DINCLUDE_DIRECTORIES:STRING=${LibIcal_INCLUDE_DIRS}")
if(NOT CMAKE_CROSSCOMPILING)
try_run(RUN_RESULT COMPILE_RESULT
${CMAKE_BINARY_DIR}
${FIND_LibIcal_VERSION_SOURCE_FILE}
CMAKE_FLAGS "${FIND_LibIcal_VERSION_ADD_INCLUDES}"
RUN_OUTPUT_VARIABLE LibIcal_VERSION)
endif()
if(COMPILE_RESULT AND RUN_RESULT EQUAL 1 AND NOT CMAKE_CROSSCOMPILING)
message(STATUS "Found Libical version ${LibIcal_VERSION}")
if(${LibIcal_VERSION} VERSION_LESS ${LibIcal_FIND_VERSION})
message(STATUS "LibIcal version ${LibIcal_VERSION} is too old. At least version ${LibIcal_FIND_VERSION} is needed.")
set(LibIcal_INCLUDE_DIRS "")
set(LibIcal_LIBRARIES "")
endif()
if(NOT LibIcal_VERSION VERSION_LESS 0.46)
set(USE_ICAL_0_46 TRUE)
endif()
if(NOT LibIcal_VERSION VERSION_LESS 1.00)
set(USE_ICAL_1_0 TRUE)
endif()
else()
if(NOT CMAKE_CROSSCOMPILING)
message(FATAL_ERROR "Unable to compile or run the libical version detection program.")
endif()
endif()
#compute the major and minor version numbers
if(NOT CMAKE_CROSSCOMPILING)
string(REGEX REPLACE "\\..*$" "" LibIcal_MAJOR_VERSION ${LibIcal_VERSION})
string(REGEX REPLACE "^.*\\." "" LibIcal_MINOR_VERSION ${LibIcal_VERSION})
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LibIcal
FOUND_VAR LibIcal_FOUND
REQUIRED_VARS LibIcal_LIBRARIES LibIcal_INCLUDE_DIRS
VERSION_VAR LibIcal_VERSION
)
mark_as_advanced(LibIcal_INCLUDE_DIRS LibIcal_LIBRARIES)
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