Change default %_tmppath value to %_tmpdir

lib/misc.c

@@ -169,7 +169,7 @@ static int rpmMkpath(const char * path, mode_t mode, uid_t uid, gid_t gid)
 
 int makeTempFile(const char * prefix, const char ** fnptr, FD_t * fdptr)
 {
-    const char * tpmacro = "%{?_tmppath:%{_tmppath}}%{!?_tmppath:/var/tmp}";
+    const char * tpmacro = "%{?_tmppath:%{_tmppath}}%{!?_tmppath:%{_tmpdir}}";
     const char * tempfn = NULL;
     const char * tfn = NULL;
     static int _initialized = 0;

lib/rpmrc.c

@@ -510,7 +510,7 @@ static void rpmSetDefaults(void)
 		setVar ("_preScriptEnvironment", prescriptenviron);
 
 		setVar ("_topdir", "%{_usr}/src/RPM");
-		setVar ("_tmppath", "%{_var}/tmp");
+		setVar ("_tmppath", "%{_tmpdir}");
 		setVar ("_dbpath", "%{_var}/lib/rpm");
 		setVar ("_defaultdocdir", "%{_usr}/share/doc");
 

macros.in

@@ -164,7 +164,7 @@
 %_srcrpmdir		%{_topdir}/SRPMS
 
 #	Directory where temporaray files can be created.
-%_tmppath		%{_var}/tmp
+%_tmppath		%{_tmpdir}
 
 #	Path to top of build area.
 %_topdir		%{_usrsrc}/RPM