buildsys: update unifdef

sync up to 55501a61dd257e941d53f175350ee52fc6ff2866
(2.9 + refactor keyword and symbol matching)

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

Makefile.in

@@ -67,6 +67,10 @@ MAKEFLAGS += -L
 $(top_builddir)include/config/linuxthreads/old.h $(top_builddir)include/config/linuxthreads/new.h:
 	@true
 
+$(top_builddir)include/generated/unifdef_config.h: $(top_builddir)include/bits/uClibc_config.h| $(top_builddir)include/generated
+	@$(disp_gen)
+	$(Q)$(SED) -e '1,3d' $^ > $@
+
 # For the moment, we have to keep re-running this target
 # because the fix includes scripts rely on pre-processers
 # in order to generate the headers correctly :(.  That
@@ -331,7 +335,9 @@ $(PREFIX)$(RUNTIME_PREFIX)$(MULTILIB_DIR):
 	$(do_mkdir)
 endif
 endif
-install_headers: headers $(top_builddir)extra/scripts/unifdef | $(PREFIX)$(DEVEL_PREFIX)include
+
+
+install_headers: headers $(top_builddir)extra/scripts/unifdef $(top_builddir)include/generated/unifdef_config.h | $(PREFIX)$(DEVEL_PREFIX)include
 	@$(call disp_install,"include -> $(PREFIX)$(DEVEL_PREFIX)include")
 	$(Q)top_builddir=$(top_builddir) \
 	$(top_srcdir)extra/scripts/install_headers.sh \

extra/scripts/install_headers.sh

@@ -32,7 +32,6 @@ if ! test -x "$top_builddir/extra/scripts/unifdef"; then
 	exit 1
 fi
 
-
 # Sanitize and copy uclibc headers
 (
 # We must cd, or else we'll prepend "${srcdir}" to filenames!
@@ -56,6 +55,9 @@ while read -r filename; do
 	# Do not abort the script if unifdef "fails"!
 	# NB2: careful with sed command arguments, they contain tab character
 	"$top_builddir/extra/scripts/unifdef" \
+		-B \
+		-t \
+		-f "$top_builddir/include/generated/unifdef_config.h" \
 		-U_LIBC \
 		-U__UCLIBC_GEN_LOCALE \
 		-U__NO_CTYPE \

extra/scripts/unifdef.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2012 - 2013 Tony Finch <dot@dotat.at>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/stat.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/* Avoid err.h since this are non-standard BSD extensions */
+#define vwarnx(fmt, args)   ({ fprintf(stderr, "unifdef: "); vfprintf(stderr, fmt, args); fprintf(stderr, "\n"); })
+#define warnx(fmt, args...) fprintf(stderr, "unifdef: " fmt "\n", ## args)
+#define errx(exit_code, fmt, args...) ({ warnx(fmt, ## args); exit(exit_code); })
+#define err(exit_code, fmt, args...)  errx(exit_code, fmt ": %s", ## args, strerror(errno))
+
+/* portability stubs */
+
+#define fbinmode(fp) (fp)
+
+#define replace(old,new) rename(old,new)
+
+static FILE *
+mktempmode(char *tmp, int mode)
+{
+	int fd = mkstemp(tmp);
+	if (fd < 0) return (NULL);
+	fchmod(fd, mode & (S_IRWXU|S_IRWXG|S_IRWXO));
+	return (fdopen(fd, "wb"));
+}

extra/scripts/version.h

@@ -0,0 +1,2 @@
+"@(#) $Version: unifdef-2.9.5.55501a6 $\n"
+"@(#) $Date: 2013-06-12 15:50:39 +0100 $\n"