87 lines
2.3 KiB
CMake
87 lines
2.3 KiB
CMake
#
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# Copyright (C) 2003-2018 Sébastien Helleu <flashcode@flashtux.org>
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#
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# This file is part of WeeChat, the extensible chat client.
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#
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# WeeChat is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# WeeChat is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with WeeChat. If not, see <https://www.gnu.org/licenses/>.
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#
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# - Find Iconv
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# This module finds if libiconv is installed and determines where
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# the include files and libraries are.
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#
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# This code sets the following variables:
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#
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# ICONV_INCLUDE_PATH = path to where <iconv.h> can be found
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# ICONV_LIBRARY = path to where libiconv.so* can be found (on non glibc based systems)
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#
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# ICONV_FOUND = is iconv usable on system?
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if(ICONV_FOUND)
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# Already in cache, be silent
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set(ICONV_FIND_QUIETLY TRUE)
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endif()
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include(CheckLibraryExists)
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include(CheckFunctionExists)
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find_path(ICONV_INCLUDE_PATH
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NAMES iconv.h
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PATHS /usr/include /usr/local/include /usr/pkg/include
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)
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find_library(ICONV_LIBRARY
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NAMES iconv
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PATHS /lib /usr/lib /usr/local/lib /usr/pkg/lib
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)
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if(ICONV_INCLUDE_PATH)
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if(ICONV_LIBRARY)
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check_library_exists("${ICONV_LIBRARY}" libiconv_open "" LIBICONV_OPEN_FOUND)
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check_library_exists("${ICONV_LIBRARY}" iconv_open "" ICONV_OPEN_FOUND)
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if(LIBICONV_OPEN_FOUND OR ICONV_OPEN_FOUND)
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set(ICONV_FOUND TRUE)
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endif()
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else()
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check_function_exists(iconv_open ICONV_FOUND)
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endif()
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endif()
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include(CheckCSourceCompiles)
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if(ICONV_LIBRARY)
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set(CMAKE_REQUIRED_LIBRARIES ${ICONV_LIBRARY})
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set(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_PATH})
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endif()
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set(CMAKE_REQUIRED_FLAGS -Werror)
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check_c_source_compiles("
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#include <iconv.h>
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int main(){
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iconv_t conv = 0;
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const char* in = 0;
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size_t ilen = 0;
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char* out = 0;
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size_t olen = 0;
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iconv(conv, &in, &ilen, &out, &olen);
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return 0;
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}
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" ICONV_2ARG_IS_CONST)
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mark_as_advanced(
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ICONV_INCLUDE_PATH
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ICONV_LIBRARY
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ICONV_FOUND
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)
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