AC_C_CONST
AC_FUNC_ALLOCA
+dnl its save to say that in 2023 all compilers support prototypes
+AC_DEFINE([PROTOTYPES], [1], [Define to 1 if your compiler supports function prototypes.])
AC_HEADER_STDC
AC_CHECK_HEADERS([string.h stdlib.h unistd.h stdarg.h math.h pwd.h])
AC_SUBST(PSLEVEL)
dnl Internationalization.
-AM_GNU_GETTEXT
-AM_GNU_GETTEXT_VERSION([0.17])
+AM_GNU_GETTEXT([external])
+AM_GNU_GETTEXT_VERSION([0.21.1])
dnl Path separator character.
AC_DEFINE_UNQUOTED([PATH_SEPARATOR], [':'],
AC_SUBST(CFLAGS)
AC_SUBST(LDFLAGS)
-AC_CONFIG_FILES([Makefile po/Makefile.in intl/Makefile po/Makefile \
+AC_CONFIG_FILES([Makefile po/Makefile.in\
compat/Makefile \
afm/Makefile \
afmlib/Makefile \