fix rrdtool compile

git-svn-id: svn://svn.openwrt.org/openwrt/packages@15590 3c298f89-4303-0410-b956-a3cf2f4a3e73

libs/rrdtool-1.0.x/Makefile

@@ -97,7 +97,7 @@ Round Robin Database (RRD) management tools.
 	This package contains command line tools used to manage RRDs.
 endef
 
-TARGET_CFLAGS += $(FPIC)
+TARGET_CFLAGS += $(FPIC) --std=c99
 
 CONFIGURE_ARGS += \
 	$(DISABLE_LARGEFILE) \

libs/rrdtool-1.0.x/patches/002-no_timezone.patch

@@ -0,0 +1,24 @@
+--- a/src/rrd_tool.c
++++ b/src/rrd_tool.c
+@@ -225,11 +225,8 @@
+ 	  struct rusage  myusage;
+ 	  struct timeval starttime;
+ 	  struct timeval currenttime;
+-	  struct timezone tz;
+ 
+-	    tz.tz_minuteswest =0;
+-	    tz.tz_dsttime=0;
+-	    gettimeofday(&starttime,&tz);
++	    gettimeofday(&starttime,NULL);
+ #endif
+ 
+ 	    while (fgets(aLine, sizeof(aLine)-1, stdin)){
+@@ -252,7 +249,7 @@
+ 
+ #if HAVE_GETRUSAGE
+ 		getrusage(RUSAGE_SELF,&myusage);
+-		gettimeofday(&currenttime,&tz);
++		gettimeofday(&currenttime,NULL);
+ 		printf("OK u:%1.2f s:%1.2f r:%1.2f\n",
+ 		       (double)myusage.ru_utime.tv_sec+
+ 		       (double)myusage.ru_utime.tv_usec/1000000.0,