| Pierre Ossman | b232b5f | 2011-04-28 14:38:04 +0000 | [diff] [blame] | 1 | # From: http://gitorious.org/gammu/mainline/blobs/master/cmake/FindIconv.cmake |
| 2 | |
| 3 | # - Try to find Iconv |
| 4 | # Once done this will define |
| 5 | # |
| 6 | # ICONV_FOUND - system has Iconv |
| 7 | # ICONV_INCLUDE_DIR - the Iconv include directory |
| 8 | # ICONV_LIBRARIES - Link these to use Iconv |
| 9 | # ICONV_SECOND_ARGUMENT_IS_CONST - the second argument for iconv() is const |
| 10 | # |
| 11 | include(CheckCCompilerFlag) |
| 12 | include(CheckCXXSourceCompiles) |
| 13 | |
| 14 | IF (ICONV_INCLUDE_DIR AND ICONV_LIBRARIES) |
| 15 | # Already in cache, be silent |
| 16 | SET(ICONV_FIND_QUIETLY TRUE) |
| 17 | ENDIF (ICONV_INCLUDE_DIR AND ICONV_LIBRARIES) |
| 18 | |
| 19 | FIND_PATH(ICONV_INCLUDE_DIR iconv.h) |
| 20 | |
| 21 | FIND_LIBRARY(ICONV_LIBRARIES NAMES iconv libiconv c) |
| 22 | |
| 23 | IF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES) |
| 24 | SET(ICONV_FOUND TRUE) |
| 25 | ENDIF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES) |
| 26 | |
| 27 | set(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR}) |
| 28 | set(CMAKE_REQUIRED_LIBRARIES ${ICONV_LIBRARIES}) |
| 29 | IF(ICONV_FOUND) |
| 30 | check_c_compiler_flag("-Werror" ICONV_HAVE_WERROR) |
| 31 | set (CMAKE_C_FLAGS_BACKUP "${CMAKE_C_FLAGS}") |
| 32 | if(ICONV_HAVE_WERROR) |
| 33 | set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror") |
| 34 | endif(ICONV_HAVE_WERROR) |
| 35 | check_c_source_compiles(" |
| 36 | #include <iconv.h> |
| 37 | int main(){ |
| 38 | iconv_t conv = 0; |
| 39 | const char* in = 0; |
| 40 | size_t ilen = 0; |
| 41 | char* out = 0; |
| 42 | size_t olen = 0; |
| 43 | iconv(conv, &in, &ilen, &out, &olen); |
| 44 | return 0; |
| 45 | } |
| 46 | " ICONV_SECOND_ARGUMENT_IS_CONST ) |
| 47 | set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS_BACKUP}") |
| 48 | ENDIF(ICONV_FOUND) |
| 49 | set(CMAKE_REQUIRED_INCLUDES) |
| 50 | set(CMAKE_REQUIRED_LIBRARIES) |
| 51 | |
| 52 | IF(ICONV_FOUND) |
| 53 | IF(NOT ICONV_FIND_QUIETLY) |
| 54 | MESSAGE(STATUS "Found Iconv: ${ICONV_LIBRARIES}") |
| 55 | ENDIF(NOT ICONV_FIND_QUIETLY) |
| 56 | ELSE(ICONV_FOUND) |
| 57 | IF(Iconv_FIND_REQUIRED) |
| 58 | MESSAGE(FATAL_ERROR "Could not find Iconv") |
| 59 | ENDIF(Iconv_FIND_REQUIRED) |
| 60 | ENDIF(ICONV_FOUND) |
| 61 | |
| 62 | MARK_AS_ADVANCED( |
| 63 | ICONV_INCLUDE_DIR |
| 64 | ICONV_LIBRARIES |
| 65 | ICONV_SECOND_ARGUMENT_IS_CONST |
| 66 | ) |