From c4979908344bc5d49e6b8ebef003b3c32d6bd284 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 22 Oct 2014 08:57:40 +0000
Subject: [PATCH] build: use ONESHELL to speed up scanning and the toplevel
 makefile

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43021
---
 Makefile          | 1 +
 include/scan.mk   | 1 +
 include/target.mk | 1 +
 3 files changed, 3 insertions(+)

diff --git a/Makefile b/Makefile
index 91b6946ac34..f75fc7fda4d 100644
--- a/Makefile
+++ b/Makefile
@@ -15,6 +15,7 @@ empty:=
 space:= $(empty) $(empty)
 $(if $(findstring $(space),$(TOPDIR)),$(error ERROR: The path to the OpenWrt directory must not include any spaces))
 
+.ONESHELL:
 world:
 
 include $(TOPDIR)/include/host.mk
diff --git a/include/scan.mk b/include/scan.mk
index 0998333439a..2f2753f2a01 100644
--- a/include/scan.mk
+++ b/include/scan.mk
@@ -78,3 +78,4 @@ $(TMP_DIR)/.$(SCAN_TARGET): $(TARGET_STAMP) $(SCAN_STAMP)
 FORCE:
 .PHONY: FORCE
 .NOTPARALLEL:
+.ONESHELL:
diff --git a/include/target.mk b/include/target.mk
index 3401f849a5f..657109e75d3 100644
--- a/include/target.mk
+++ b/include/target.mk
@@ -19,6 +19,7 @@ DEFAULT_PACKAGES.bootloader:=
 
 ifneq ($(DUMP),)
   all: dumpinfo
+  .ONESHELL:
 endif
 
 target_conf=$(subst .,_,$(subst -,_,$(subst /,_,$(1))))