AC_PROG_RANLIB
+AC_PROG_LEX
+
dnl Turn on optimization by default. Specifically:
dnl
dnl if the user hasn't specified CFLAGS, then
AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h)
+AC_CHECK_DECLS(h_errno,,,[#include <netdb.h>])
+
dnl
dnl Check sizes of integer types. These are used to find n-bit
dnl integral types on older systems that fail to provide intN_t and
dnl
dnl Checks for library functions.
dnl
-AC_FUNC_ALLOCA
AC_FUNC_MMAP
AC_FUNC_FSEEKO
AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48)
fi
AC_SUBST(COMMENT_IF_NO_POD2MAN)
+
+dnl
+dnl Check for IDN/IRIs
+dnl
+
+AC_ARG_ENABLE(iri,
+ AC_HELP_STRING([--disable-iri],[disable IDN/IRIs support]),
+ [case "${enable_iri}" in
+ no)
+ dnl Disable IRIs checking
+ AC_MSG_NOTICE([disabling IRIs at user request])
+ iri=no
+ ;;
+ yes)
+ dnl IRIs explicitly enabled
+ iri=yes
+ force_iri=yes
+ ;;
+ auto)
+ dnl Auto-detect IRI
+ iri=yes
+ ;;
+ *)
+ AC_MSG_ERROR([Invalid --enable-iri argument \`$enable_iri'])
+ ;;
+ esac
+ ], [
+ dnl If nothing is specified, assume auto-detection
+ iri=yes
+ ]
+)
+
+AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
+ [Support IDN/IRIs (needs GNU Libidn)]),
+ libidn=$withval, libidn="")
+AS_IF([test "X$iri" != "Xno"],[
+ AM_ICONV
+
+ if test "X$am_cv_func_iconv" != "Xyes"; then
+ iri=no
+ if test "X$force_iri" = "Xyes"; then
+ AC_MSG_ERROR([Libiconv is required for IRIs support])
+ else
+ AC_MSG_NOTICE([disabling IRIs because libiconv wasn't found])
+ fi
+ fi
+],[ # else
+ # For some reason, this seems to be set even when we don't check.
+ # Explicitly unset.
+ LIBICONV=
+])
+
+if test "X$iri" != "Xno"; then
+ if test "$libidn" != ""; then
+ LDFLAGS="${LDFLAGS} -L$libidn/lib"
+ CPPFLAGS="${CPPFLAGS} -I$libidn/include"
+ fi
+ AC_CHECK_HEADER(idna.h,
+ AC_CHECK_LIB(idn, stringprep_check_version,
+ [iri=yes LIBS="${LIBS} -lidn"], iri=no),
+ iri=no)
+
+ if test "X$iri" != "Xno" ; then
+ AC_DEFINE(ENABLE_IRI, 1, [Define if IRI support is enabled.])
+ AC_MSG_NOTICE([Enabling support for IRI.])
+ else
+ AC_MSG_WARN([Libidn not found])
+ fi
+fi
+
+
+dnl Needed by src/Makefile.am
+AM_CONDITIONAL([IRI_IS_ENABLED], [test "X$iri" != "Xno"])
+
+
dnl
dnl Create output
dnl