-AC_SEARCH_LIBS([iconv], [iconv])
-
-if test "$ac_cv_search_iconv" = "no"
-then
- AC_MSG_FAILURE([iconv() not found. Please install libiconv.],[1])
-fi
-
-dnl
-dnl See if iconv() requires a const char ** for the input buffer.
-dnl
-if test "$GCC" = "yes"
-then
- OLD_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -Werror"
- AC_MSG_CHECKING([whether iconv needs const char **])
- AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([[#include <iconv.h>]],
- [[char **buf;
- size_t *size;
- iconv_t cd;
- iconv(cd, buf, size, buf, size);]])],
- [AC_DEFINE([ICONV_INBUF_TYPE],[char *],
- [Type of iconv() input buffer])
- AC_MSG_RESULT([no])],
- [AC_DEFINE([ICONV_INBUF_TYPE],[const char *],
- [Type of iconv() input buffer])
- AC_MSG_RESULT([yes])])
- CFLAGS="$OLD_CFLAGS"
-fi