openclonk/cmake/FindICONV.cmake

63 lines
1.7 KiB
CMake

# - Try to find Iconv
# Once done this will define
#
# ICONV_FOUND - system has Iconv
# ICONV_INCLUDE_DIR - the Iconv include directory
# ICONV_LIBRARIES - Link these to use Iconv
# ICONV_IS_CONST - the second argument for iconv() is const
#
# This was mostly borrowed from Strigi. LyX also has a (quite
# different) FindICONV: the one in LyX does not check
# second_argument_is_const, but seems to have more fleshed-out support
# for WIN32. There may need to be some merging done.
# Tim Holy, 2008-05-07
include(CheckCXXSourceCompiles)
IF (ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
# Already in cache, be silent
SET(ICONV_FIND_QUIETLY TRUE)
ENDIF (ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
FIND_PATH(ICONV_INCLUDE_DIR iconv.h
/Developer/SDKs/MacOSX10.4u.sdk/usr/include/iconv.h
/Developer/SDKs/MacOSX10.5.sdk/usr/include/iconv.h
/usr/include
)
FIND_LIBRARY(ICONV_LIBRARIES NAMES iconv libiconv libiconv2 c
PATHS
/Developer/SDKs/MacOSX10.4u.sdk/usr/lib
/Developer/SDKs/MacOSX10.5.sdk/usr/lib
/usr/lib
)
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(ICONV REQUIRED_VARS ICONV_LIBRARIES ICONV_INCLUDE_DIR)
IF(ICONV_FOUND)
set(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
set(CMAKE_REQUIRED_LIBRARIES ${ICONV_LIBRARIES})
check_cxx_source_compiles("
#include <iconv.h>
int main(){
iconv_t conv = 0;
const char* in = 0;
size_t ilen = 0;
char* out = 0;
size_t olen = 0;
iconv(conv, &in, &ilen, &out, &olen);
return 0;
}
" ICONV_IS_CONST )
set(CMAKE_REQUIRED_INCLUDES)
set(CMAKE_REQUIRED_LIBRARIES)
ENDIF(ICONV_FOUND)
MARK_AS_ADVANCED(
ICONV_INCLUDE_DIR
ICONV_LIBRARIES
ICONV_IS_CONST
)