Commit fb01f78b authored by louiz’'s avatar louiz’

Rewrite the FindIconv module cleanly

parent 2c9680bc
......@@ -23,7 +23,7 @@ find_package(EXPAT REQUIRED)
include_directories("src/")
include_directories(${EXPAT_INCLUDE_DIRS})
include_directories(${ICONV_INCLUDE_DIR})
include_directories(${ICONV_INCLUDE_DIRS})
# the SYSTEM flag tells the compiler that we don't care about warnings
# coming from these headers.
include_directories(SYSTEM ${CRYPTO++_INCLUDE_DIRS})
......
# - Try to find Iconv
# Once done this will define
# - Find iconv
# Find the iconv (character set conversion) library
#
# ICONV_FOUND - system has Iconv
# ICONV_INCLUDE_DIR - the Iconv include directory
# ICONV_LIBRARIES - Link these to use Iconv
# ICONV_SECOND_ARGUMENT_IS_CONST - the second argument for iconv() is const
# This module defines the following variables:
# ICONV_FOUND - True if library and include directory are found
# If set to TRUE, the following are also defined:
# ICONV_INCLUDE_DIRS - The directory where to find the header file
# ICONV_LIBRARIES - Where to find the library file
# ICONV_SECOND_ARGUMENT_IS_CONST - The second argument for iconv() is const
#
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)
# For conveniance, these variables are also set. They have the same values
# than the variables above. The user can thus choose his/her prefered way
# to way to write them.
# ICONV_LIBRARY
# ICONV_INCLUDE_DIR
#
# This file is in the public domain
FIND_PATH(ICONV_INCLUDE_DIR iconv.h)
find_path(ICONV_INCLUDE_DIRS NAMES iconv.h
DOC "The iconv include directory")
FIND_LIBRARY(ICONV_LIBRARIES NAMES iconv libiconv libiconv-2 c)
find_library(ICONV_LIBRARIES NAMES iconv libiconv libiconv-2 c
DOC "The iconv library")
IF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
SET(ICONV_FOUND TRUE)
ENDIF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
# Use some standard module to handle the QUIETLY and REQUIRED arguments, and
# set ICONV_FOUND to TRUE if these two variables are set.
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Iconv REQUIRED_VARS ICONV_LIBRARIES ICONV_INCLUDE_DIRS)
set(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
set(CMAKE_REQUIRED_LIBRARIES ${ICONV_LIBRARIES})
IF(ICONV_FOUND)
# Check if the prototype is
# size_t iconv(iconv_t cd, char** inbuf, size_t* inbytesleft,
# char** outbuf, size_t* outbytesleft);
# or
# size_t iconv (iconv_t cd, const char** inbuf, size_t* inbytesleft,
# char** outbuf, size_t* outbytesleft);
if(ICONV_FOUND)
include(CheckCXXSourceCompiles)
check_cxx_source_compiles("
#include <iconv.h>
int main(){
......@@ -33,25 +44,12 @@ IF(ICONV_FOUND)
char* out = 0;
size_t olen = 0;
iconv(conv, &in, &ilen, &out, &olen);
return 0;
}
" ICONV_SECOND_ARGUMENT_IS_CONST )
ENDIF(ICONV_FOUND)
set(CMAKE_REQUIRED_INCLUDES)
set(CMAKE_REQUIRED_LIBRARIES)
return 0;}"
ICONV_SECOND_ARGUMENT_IS_CONST)
IF(ICONV_FOUND)
IF(NOT ICONV_FIND_QUIETLY)
MESSAGE(STATUS "Found Iconv: ${ICONV_LIBRARIES}")
ENDIF(NOT ICONV_FIND_QUIETLY)
ELSE(ICONV_FOUND)
IF(Iconv_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find Iconv")
ENDIF(Iconv_FIND_REQUIRED)
ENDIF(ICONV_FOUND)
# Compatibility for all the ways of writing these variables
set(ICONV_LIBRARY ${ICONV_LIBRARIES})
set(ICONV_INCLUDE_DIR ${ICONV_INCLUDE_DIRS})
endif()
MARK_AS_ADVANCED(
ICONV_INCLUDE_DIR
ICONV_LIBRARIES
ICONV_SECOND_ARGUMENT_IS_CONST
)
\ No newline at end of file
mark_as_advanced(ICONV_INCLUDE_DIRS ICONV_LIBRARIES ICONV_SECOND_ARGUMENT_IS_CONST)
\ No newline at end of file
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