-dnl From iconv.m4:
-#serial AM2
+dnl $Id$
+dnl $Name$
+
+dnl From codeset.m4 (in libcharset):
+#serial 2
dnl From Bruno Haible.
-AC_DEFUN([AM_ICONV],
+AC_DEFUN(jm_LANGINFO_CODESET,
[
- dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
- dnl those with the standalone portable GNU libiconv installed).
-
- AC_ARG_WITH([libiconv-prefix],
-[ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [
- for dir in `echo "$withval" | tr : ' '`; do
- if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
- if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi
- done
- ])
+ AC_CHECK_HEADERS(langinfo.h)
+ AC_CHECK_FUNCS(nl_langinfo)
- AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
- am_cv_func_iconv="no, consider installing GNU libiconv"
- am_cv_lib_iconv=no
- AC_TRY_LINK([#include <stdlib.h>
-#include <iconv.h>],
- [iconv_t cd = iconv_open("","");
- iconv(cd,NULL,NULL,NULL,NULL);
- iconv_close(cd);],
- am_cv_func_iconv=yes)
- if test "$am_cv_func_iconv" != yes; then
- am_save_LIBS="$LIBS"
- LIBS="$LIBS -liconv"
- AC_TRY_LINK([#include <stdlib.h>
-#include <iconv.h>],
- [iconv_t cd = iconv_open("","");
- iconv(cd,NULL,NULL,NULL,NULL);
- iconv_close(cd);],
- am_cv_lib_iconv=yes
- am_cv_func_iconv=yes)
- LIBS="$am_save_LIBS"
- fi
- ])
- if test "$am_cv_func_iconv" = yes; then
- AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
- AC_MSG_CHECKING([for iconv declaration])
- AC_CACHE_VAL(am_cv_proto_iconv, [
- AC_TRY_COMPILE([
-#include <stdlib.h>
-#include <iconv.h>
-extern
-#ifdef __cplusplus
-"C"
-#endif
-#if defined(__STDC__) || defined(__cplusplus)
-size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
-#else
-size_t iconv();
-#endif
-], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
- am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
- am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
- AC_MSG_RESULT([$]{ac_t:-
- }[$]am_cv_proto_iconv)
- AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
- [Define as const if the declaration of iconv() needs const.])
+ AC_CACHE_CHECK([for nl_langinfo and CODESET], jm_cv_langinfo_codeset,
+ [AC_TRY_LINK([#include <langinfo.h>],
+ [char* cs = nl_langinfo(CODESET);],
+ jm_cv_langinfo_codeset=yes,
+ jm_cv_langinfo_codeset=no)
+ ])
+ if test $jm_cv_langinfo_codeset = yes; then
+ AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
+ [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
fi
- LIBICONV=
- if test "$am_cv_lib_iconv" = yes; then
- LIBICONV="-liconv"
- fi
- AC_SUBST(LIBICONV)
])
+dnl From glibc21.m4 (in libcharset):
+#serial 2
+
+# Test for the GNU C Library, version 2.1 or newer.
+# From Bruno Haible.
+
+AC_DEFUN(jm_GLIBC21,
+ [
+ AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
+ ac_cv_gnu_library_2_1,
+ [AC_EGREP_CPP([Lucky GNU user],
+ [
+#include <features.h>
+#ifdef __GNU_LIBRARY__
+ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
+ Lucky GNU user
+ #endif
+#endif
+ ],
+ ac_cv_gnu_library_2_1=yes,
+ ac_cv_gnu_library_2_1=no)
+ ]
+ )
+ AC_SUBST(GLIBC21)
+ GLIBC21="$ac_cv_gnu_library_2_1"
+ ]
+)
+
dnl Own functions
-dnl AC_GLIBC_ICONV()
+dnl gedcom_GLIBC_ICONV()
dnl Checks whether iconv is coming from glibc, defines USE_GLIBC_ICONV if so
dnl The variable $is_glibc_iconv contains yes or no
-AC_DEFUN(AC_GLIBC_ICONV, [
- AC_CACHE_CHECK(for the GNU C Library iconv implementation, is_glibc_iconv, [
+AC_DEFUN(gedcom_GLIBC22_ICONV, [
+ AC_CACHE_CHECK(for the GNU C Library 2.2 iconv implementation, is_glibc22_iconv, [
AC_EGREP_CPP(yes,
[
#include <iconv.h>
#ifdef __GLIBC__
+ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) || (__GLIBC__ > 2)
yes
+ #endif
#endif
- ], is_glibc_iconv=yes, is_glibc_iconv=no)
+ ], is_glibc22_iconv=yes, is_glibc22_iconv=no)
])
- if test "$is_glibc_iconv" = yes; then
+ if test "$is_glibc22_iconv" = yes; then
AC_DEFINE(USE_GLIBC_ICONV,1,
[Define if the GNU implementation of iconv in glibc is used])
fi
])
-dnl AC_LIBICONV_HAS_ANSEL()
-dnl Checks whether libiconv has ANSEL support
-dnl The variable $is_ansel_supported contains yes or no
-AC_DEFUN(AC_LIBICONV_HAS_ANSEL, [
- AC_CACHE_CHECK(for ANSEL support in libiconv, is_ansel_supported, [
- my_save_LIBS="$LIBS"
- LIBS="$LIBS $LIBICONV"
- AC_TRY_RUN([
+dnl gedcom_ICONV_HAS_CONV()
+dnl Checks whether iconv has support to convert $1 to $2
+dnl The variable $iconv_has_conv contains yes or no afterwards
+dnl (overwritten on subsequent calls)
+AC_DEFUN(gedcom_ICONV_HAS_CONV, [
+ my_save_LIBS="$LIBS"
+ LIBS="$LIBS $LIBICONV"
+ AC_TRY_RUN([
#include <iconv.h>
int main() {
- iconv_t cd = iconv_open("UTF-8","ANSEL");
+ iconv_t cd = iconv_open("$2","$1");
return (cd == (iconv_t)-1);
}
],
- is_ansel_supported=yes,
- is_ansel_supported=no,
- is_ansel_supported=no)
+ iconv_has_conv=yes,
+ iconv_has_conv=no,
+ iconv_has_conv=no)
LIBS="$my_save_LIBS"
])
])
+
+dnl gedcom_SANE_ICONV()
+dnl Checks whether the iconv implementation has the basic functionality
+dnl that we need
+dnl The variable $is_iconv_sane contains yes or no
+AC_DEFUN(gedcom_SANE_ICONV, [
+ AC_CACHE_CHECK(whether iconv has the needed functionality, is_iconv_sane, [
+ is_iconv_sane=yes
+ gedcom_ICONV_HAS_CONV(ASCII, UTF-8)
+ if test "$iconv_has_conv" = "no"; then
+ is_iconv_sane=no
+ else
+ gedcom_ICONV_HAS_CONV(UCS-2LE, UTF-8)
+ if test "$iconv_has_conv" = "no"; then
+ is_iconv_sane=no
+ else
+ gedcom_ICONV_HAS_CONV(UCS-2BE, UTF-8)
+ if test "$iconv_has_conv" = "no"; then
+ is_iconv_sane=no
+ fi
+ fi
+ fi
+ ])
+])
+
+dnl gedcom_LIBICONV_HAS_ANSEL()
+dnl Checks whether libiconv has ANSEL support
+dnl The variable $is_ansel_supported contains yes or no
+AC_DEFUN(gedcom_LIBICONV_HAS_ANSEL, [
+ AC_CACHE_CHECK(for ANSEL support in libiconv, is_ansel_supported, [
+ is_ansel_supported=no
+ gedcom_ICONV_HAS_CONV(ANSEL, UTF-8)
+ if test "$iconv_has_conv" = yes; then
+ is_ansel_supported=yes
+ fi
+ ])
+])