Substitute autoconf variables by prereq.status

defs/gmake.mk

@@ -150,7 +150,7 @@ commit: $(if $(filter commit,$(MAKECMDGOALS)),$(filter-out commit,$(MAKECMDGOALS
 	+$(Q) \
 	{ \
 	  $(CHDIR) "$(srcdir)"; \
-	  sed 's/^@.*@$$//;s/@[A-Za-z_][A-Za-z_0-9]*@//g;/^all-incs:/d' defs/gmake.mk template/Makefile.in; \
+	  sed -f tool/prereq.status defs/gmake.mk template/Makefile.in; \
 	  sed 's/{[.;]*$$([a-zA-Z0-9_]*)}//g' common.mk; \
 	} | \
 	$(MAKE) $(mflags) Q=$(Q) ECHO=$(ECHO) srcdir="$(srcdir)" srcs_vpath="" CHDIR="$(CHDIR)" \

tool/prereq.status

@@ -13,6 +13,7 @@ s,@CP@,cp,g
 s,@CPPFLAGS@,,g
 s,@CXXFLAGS@,,g
 s,@DLDFLAGS@,,g
+s,@DTRACE_EXT@,dmyh,g
 s,@EXEEXT@,,g
 s,@HAVE_BASERUBY@,yes,g
 s,@IFCHANGE@,tool/ifchange,g