lyx_mirror/development/cmake/modules/FindICONV.cmake
2019-02-05 12:27:15 +01:00

110 lines
3.8 KiB
CMake

#
# Copyright (c) 2006, Peter Kümmel, <syntheticpp@gmx.net>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
if (ICONV_INCLUDE_DIR)
# Already in cache, be silent
set(ICONV_FIND_QUIETLY TRUE)
endif()
find_path(ICONV_INCLUDE_DIR iconv.h PATHS
/usr/include
/usr/local/include)
find_file(ICONV_HEADER iconv.h
PATHS ${ICONV_INCLUDE_DIR} NO_DEFAULT_PATH)
set(POTENTIAL_ICONV_LIBS iconv libiconv libiconv2)
find_library(ICONV_LIBRARY NAMES ${POTENTIAL_ICONV_LIBS}
PATHS
${ICONV_RELATIVE_TO_LIBINTL}
NO_DEFAULT_PATH)
find_library(ICONV_LIBRARY NAMES ${POTENTIAL_ICONV_LIBS}
PATHS ${SYSTEM_LIB_DIRS} )
if(WIN32)
set(ICONV_DLL_NAMES iconv.dll libiconv.dll libiconv2.dll)
find_file(ICONV_DLL
NAMES ${ICONV_DLL_NAMES}
PATHS ENV PATH
${ICONV_INCLUDE_DIR}/../bin)
find_file(ICONV_DLL_HELP
NAMES ${ICONV_DLL_NAMES}
PATHS ENV PATH
${ICONV_INCLUDE_DIR}/../bin)
if(ICONV_FIND_REQUIRED)
if(NOT ICONV_DLL AND NOT ICONV_DLL_HELP)
message(FATAL_ERROR "Could not find iconv.dll, please add correct your PATH environment variable")
endif()
if(NOT ICONV_DLL AND ICONV_DLL_HELP)
get_filename_component(ICONV_DLL_HELP ${ICONV_DLL_HELP} PATH)
message(STATUS)
message(STATUS "Could not find iconv.dll in standard search path, please add ")
message(STATUS "${ICONV_DLL_HELP}")
message(STATUS "to your PATH environment variable.")
message(STATUS)
message(FATAL_ERROR "exit cmake")
endif()
endif()
if(ICONV_INCLUDE_DIR AND ICONV_LIBRARY AND ICONV_DLL)
set(ICONV_FOUND TRUE)
endif()
else()
include(CheckFunctionExists)
check_function_exists(iconv HAVE_ICONV_IN_LIBC)
if(ICONV_INCLUDE_DIR AND HAVE_ICONV_IN_LIBC)
set(ICONV_FOUND TRUE)
set(ICONV_LIBRARY CACHE STRING "Iconv lib" FORCE)
endif()
if(ICONV_INCLUDE_DIR AND ICONV_LIBRARY)
set(ICONV_FOUND TRUE)
endif()
endif()
if(ICONV_FOUND)
if(NOT ICONV_FIND_QUIETLY)
message(STATUS "Found iconv library: ${ICONV_LIBRARY}")
#message(STATUS "Found iconv dll : ${ICONV_DLL}")
endif()
else()
if(ICONV_FIND_REQUIRED)
message(STATUS "Looked for iconv library named ${POTENTIAL_ICONV_LIBS}.")
message(STATUS "Found no acceptable iconv library. This is fatal.")
message(STATUS "iconv header: ${ICONV_INCLUDE_DIR}")
message(STATUS "iconv lib : ${ICONV_LIBRARY}")
message(FATAL_ERROR "Could NOT find iconv library")
endif()
endif()
mark_as_advanced(ICONV_LIBRARY ICONV_INCLUDE_DIR ICONV_DLL ICONV_DLL_HELP)