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Date: Fri, 27 Jun 2008 22:03:13 +0200
From: Stefan Weil <weil@mail.berlios.de>
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Subject: Re: [Qemu-devel][PATCH] Re: [4792] Change the way audio is configured
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Laurent Vivier schrieb:
>
> Le 27 juin 08 à 17:34, consul a écrit :
>
>> audio/audio.c:42: error: `AUDIO_DRIVERS' undeclared here (not in a 
>> function)
>> audio/audio.c:42: error: initializer element is not constant
>> audio/audio.c:42: error: (near initialization for `drvtab[0]')
>>
>> Paste error?
>
> No you have to re-run "./configure".

Here is a small patch which automatically calls configure when the file 
changes.
It also tells users to run configure when they call make without a 
configuration.

The patch is not perfect: it tries to call configure with the last 
options, but
it will fail at options containing white space. These are rarely used, 
so it is
still useful.

Stefan


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Index: Makefile
===================================================================
--- Makefile	(revision 4795)
+++ Makefile	(working copy)
@@ -1,6 +1,6 @@
 # Makefile for QEMU.
 
-include config-host.mak
+-include config-host.mak
 
 .PHONY: all clean distclean dvi info install install-doc tar tarbin \
 	speed test html dvi info
@@ -180,6 +180,15 @@
 dyngen$(EXESUF): dyngen.c
 	$(HOST_CC) $(CFLAGS) $(CPPFLAGS) -o $@ $^
 
+config-host.mak: configure
+ifneq ($(wildcard config-host.mak),)
+	@echo $@ is out-of-date, running configure
+	@fgrep "Configured with:" $@ | sed s/.*Configured.with:.// | sh
+else
+	@echo "Please call configure before running make!"
+	@exit 1
+endif
+
 clean:
 # avoid old build problems by removing potentially incorrect old files
 	rm -f config.mak config.h op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h

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