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#!/usr/bin/env python
# rather strangely, we need to look for libiconv before checking libc
# as the external libiconv can use a macro to override iconv_open to libiconv_open
# and then we may find the wrong iconv.h later due to other packages looking
# in /usr/local
# We check for the lib iconv when building a shared lib has some compiler/linker
# managed to link when specifying -liconv a executable even if there is no
# libiconv.so or libiconv.a
conf.CHECK_LIB(libs="iconv", shlib=True)
if (conf.CHECK_FUNCS_IN('iconv_open', 'iconv', checklibc=False, headers='iconv.h') or
conf.CHECK_FUNCS('iconv_open', headers='iconv.h')):
if conf.env['HAVE_LIBICONV']:
if conf.CHECK_FUNCS('mbrtowc', headers='wchar.h'):
conf.DEFINE('HAVE_NATIVE_ICONV', 1)
elif conf.env.LIB_ICONV:
del conf.env['LIB_ICONV']
else:
conf.DEFINE('HAVE_NATIVE_ICONV', 1)
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