--- Makefile.pre.in
+++ Makefile.pre.in
@@ -524,8 +524,15 @@
 	      -DHGVERSION="\"`LC_ALL=C $(HGVERSION)`\"" \
 	      -DHGTAG="\"`LC_ALL=C $(HGTAG)`\"" \
 	      -DHGBRANCH="\"`LC_ALL=C $(HGBRANCH)`\"" \
+	      -DDATE="\"`LC_ALL=C date -u -r Makefile.pre.in +"%b %d %Y"`\"" \
+	      -DTIME="\"`LC_ALL=C date -u -r Makefile.pre.in +"%T"`\"" \
 	      -o $@ $(srcdir)/Modules/getbuildinfo.c
 
+Python/getcompiler.o: $(srcdir)/Python/getcompiler.c Makefile
+	$(CC) -c $(PY_CFLAGS) \
+		-DCOMPILER='"[GCC]"' \
+		-o $@ $(srcdir)/Python/getcompiler.c
+
 Modules/getpath.o: $(srcdir)/Modules/getpath.c Makefile
 	$(CC) -c $(PY_CFLAGS) -DPYTHONPATH='"$(PYTHONPATH)"' \
 		-DPREFIX='"$(prefix)"' \