[Qemu-devel] [PATCH] Call configure automatically when needed

[Stefan Weil <weil@mail.berlios.de>]

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Hello,

this patch calls configure automatically when configure
changed since the last time it was called.

If configure was never called, the user is told to do so.

Regards
Stefan


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Automatically rerun configure when it is needed.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>

Index: trunk/Makefile
===================================================================
--- trunk.orig/Makefile	2009-04-05 21:43:15.000000000 +0200
+++ trunk/Makefile	2009-04-05 21:53:37.000000000 +0200
@@ -1,7 +1,13 @@
 # Makefile for QEMU.
 
+ifneq ($(wildcard config-host.mak),)
 include config-host.mak
 include $(SRC_PATH)/rules.mak
+else
+config-host.mak:
+	@echo "Please call configure before running make!"
+	@exit 1
+endif
 
 .PHONY: all clean cscope distclean dvi html info install install-doc \
 	recurse-all speed tar tarbin test
@@ -36,6 +42,12 @@
 
 all: $(TOOLS) $(DOCS) recurse-all
 
+config-host.mak: configure
+ifneq ($(wildcard config-host.mak),)
+	@echo $@ is out-of-date, running configure
+	@fgrep "Configured with:" $@ | sed s/.*Configured.with:.// | sh
+endif
+
 SUBDIR_RULES=$(patsubst %,subdir-%, $(TARGET_DIRS))
 
 subdir-%: