From 62390fddc753e04aa12655d073572f9c39af3874 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Fri, 28 Nov 2014 16:49:46 -0600
Subject: Add "make change" target to build the big toybox binary as a bunch of
 little ones (in the "change" subdirectory), and tweak scripts/make.sh to
 avoid redundant work when rebuilding.

---
 Makefile | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index ad3aaf92..20dfee41 100644
--- a/Makefile
+++ b/Makefile
@@ -4,14 +4,18 @@
 all: toybox
 
 KCONFIG_CONFIG ?= .config
-toybox toybox_unstripped: $(KCONFIG_CONFIG) *.[ch] lib/*.[ch] toys/*.h toys/*/*.c scripts/*.sh
+
+toybox_stuff: $(KCONFIG_CONFIG) *.[ch] lib/*.[ch] toys/*.h toys/*/*.c scripts/*.sh
+
+toybox toybox_unstripped: toybox_stuff
 	scripts/make.sh
 
 .PHONY: clean distclean baseline bloatcheck install install_flat \
-	uinstall uninstall_flat test tests help
+	uinstall uninstall_flat test tests help toybox_stuff
 
 include kconfig/Makefile
 
+$(KCONFIG_CONFIG): $(KCONFIG_TOP)
 $(KCONFIG_TOP): generated/Config.in
 generated/Config.in: toys/*/*.c scripts/genconfig.sh
 	scripts/genconfig.sh
@@ -25,7 +29,8 @@ baseline: toybox_unstripped
 bloatcheck: toybox_old toybox_unstripped
 	@scripts/bloatcheck toybox_old toybox_unstripped
 
-generated/instlist: toybox
+generated/instlist: toybox_stuff
+	NOBUILD=1 scripts/make.sh
 	$(HOSTCC) -I . scripts/install.c -o generated/instlist
 
 install_flat: generated/instlist
@@ -40,6 +45,14 @@ uninstall_flat: generated/instlist
 uninstall:
 	scripts/install.sh --long --uninstall
 
+change: generated/instlist
+	export PREFIX=$${PREFIX:-change/} && \
+	mkdir -p "$$PREFIX" && \
+	for i in $$(generated/instlist); \
+		do echo make $$i && \
+		scripts/single.sh $$i || touch $$PREFIX/$${i}.bad; \
+	done
+
 clean::
 	rm -rf toybox toybox_unstripped generated .singleconfig*
 
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