dnl Process this file with autoconf to produce a configure script.
-AC_INIT(reduce.c)
+AC_PREREQ(2.13)
+AC_INIT(src/reduce.c)
+AM_INIT_AUTOMAKE(bison, 1.28a)
+AM_CONFIG_HEADER(config.h:config.hin)
+AC_DEFINE_UNQUOTED(VERSION_STRING, "GNU Bison version ${VERSION}",
+ [The version string.])
+
+ALL_LINGUAS="de es fr nl ru"
+
+dnl Checks for programs.
AC_PROG_CC
-AC_PROG_CPP
-AC_PROG_INSTALL
AC_MINIX
AC_ISC_POSIX
-AC_STDC_HEADERS
-AC_HAVE_HEADERS(string.h stdlib.h memory.h)
-AC_HAVE_FUNCS(strerror)
-AC_ALLOCA
-AC_OUTPUT(Makefile)
+AM_PROG_CC_STDC
+AC_PROG_INSTALL
+AC_PROG_RANLIB
+
+dnl Checks for libraries.
+
+dnl Checks for header files.
+AC_HEADER_STDC
+AC_CHECK_HEADERS(ctype.h locale.h memory.h stdlib.h string.h unistd.h)
+
+dnl Checks for typedefs.
+
+dnl Checks for structures.
+
+dnl Checks for compiler characteristics.
+AC_C_CONST
+AM_C_PROTOTYPES
+
+dnl Checks for library functions.
+AC_FUNC_ALLOCA
+AC_CHECK_FUNCS(mkstemp setlocale)
+BISON_NEED_DECLARATIONS(calloc realloc)
+
+AM_GNU_GETTEXT
+
+# This is necessary so that .o files in LIBOBJS are also built via
+# the ANSI2KNR-filtering rules.
+LIBOBJS=`echo $LIBOBJS|sed 's/\.o /\$U.o /g;s/\.o$/\$U.o/'`
+
+AC_OUTPUT([Makefile
+ intl/Makefile po/Makefile.in
+ src/Makefile doc/Makefile m4/Makefile])