projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| 1e24cc5b AD |
1 | #serial AM2 |
| 2 | ||
| 3 | dnl From Bruno Haible. | |
| 4 | ||
| 5 | AC_DEFUN([AM_ICONV], | |
| 6 | [ | |
| 7 | dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and | |
| 8 | dnl those with the standalone portable GNU libiconv installed). | |
| 9 | ||
| 10 | AC_ARG_WITH([libiconv-prefix], | |
| 11 | [ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [ | |
| 12 | for dir in `echo "$withval" | tr : ' '`; do | |
| 13 | if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi | |
| 14 | if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi | |
| 15 | done | |
| 16 | ]) | |
| 17 | ||
| 18 | AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [ | |
| 19 | am_cv_func_iconv="no, consider installing GNU libiconv" | |
| 20 | am_cv_lib_iconv=no | |
| 21 | AC_TRY_LINK([#include <stdlib.h> | |
| 22 | #include <iconv.h>], | |
| 23 | [iconv_t cd = iconv_open("",""); | |
| 24 | iconv(cd,NULL,NULL,NULL,NULL); | |
| 25 | iconv_close(cd);], | |
| 26 | am_cv_func_iconv=yes) | |
| 27 | if test "$am_cv_func_iconv" != yes; then | |
| 28 | am_save_LIBS="$LIBS" | |
| 29 | LIBS="$LIBS -liconv" | |
| 30 | AC_TRY_LINK([#include <stdlib.h> | |
| 31 | #include <iconv.h>], | |
| 32 | [iconv_t cd = iconv_open("",""); | |
| 33 | iconv(cd,NULL,NULL,NULL,NULL); | |
| 34 | iconv_close(cd);], | |
| 35 | am_cv_lib_iconv=yes | |
| 36 | am_cv_func_iconv=yes) | |
| 37 | LIBS="$am_save_LIBS" | |
| 38 | fi | |
| 39 | ]) | |
| 40 | if test "$am_cv_func_iconv" = yes; then | |
| 41 | AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.]) | |
| 42 | AC_MSG_CHECKING([for iconv declaration]) | |
| 43 | AC_CACHE_VAL(am_cv_proto_iconv, [ | |
| 44 | AC_TRY_COMPILE([ | |
| 45 | #include <stdlib.h> | |
| 46 | #include <iconv.h> | |
| 47 | extern | |
| 48 | #ifdef __cplusplus | |
| 49 | "C" | |
| 50 | #endif | |
| 51 | #if defined(__STDC__) || defined(__cplusplus) | |
| 52 | size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); | |
| 53 | #else | |
| 54 | size_t iconv(); | |
| 55 | #endif | |
| 56 | ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const") | |
| 57 | am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"]) | |
| 58 | am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'` | |
| 59 | AC_MSG_RESULT([$]{ac_t:- | |
| 60 | }[$]am_cv_proto_iconv) | |
| 61 | AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1, | |
| 62 | [Define as const if the declaration of iconv() needs const.]) | |
| 63 | fi | |
| 64 | LIBICONV= | |
| 65 | if test "$am_cv_lib_iconv" = yes; then | |
| 66 | LIBICONV="-liconv" | |
| 67 | fi | |
| 68 | AC_SUBST(LIBICONV) | |
| 69 | ]) |