[PATCH 2/5] Enable configure script in user directory for cross compile

[Jerone Young <jyoung5-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>]

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This patch enables configure script in "user" directory fro cross
compile.

Signed-off-by: Jerone Young <jyoung5-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>

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diff -r 7c1e3915d77c configure
--- a/configure	Thu Oct 04 14:33:18 2007 -0500
+++ b/configure	Thu Oct 04 14:34:26 2007 -0500
@@ -20,6 +20,7 @@ usage() {
 	    --with-patched-kernel  don't use external module
 	    --kerneldir=DIR        kernel build directory ($kerneldir)
 	    --qemu-cc="$qemu_cc"   compiler for qemu (needs gcc3.x) ($qemu_cc)
+	    --target-cpu	   target cpu model for qemu
 	    --disable-gcc-check    don't insist on gcc-3.x
                                    - this will break running without kvm
 EOF
diff -r 7c1e3915d77c user/configure
--- a/user/configure	Thu Oct 04 14:33:18 2007 -0500
+++ b/user/configure	Thu Oct 04 14:33:18 2007 -0500
@@ -2,13 +2,20 @@
 
 prefix=/usr/local
 kerneldir=/lib/modules/$(uname -r)/build
+cc=gcc
+ld=ld
+arch=`uname -m | sed -e s/i.86/i386/`
+cross_prefix=
 
 usage() {
     cat <<-EOF
 	Usage: $0 [options]
 
 	Options include:
-
+	    --arch=ARCH            architecture to compile for ($arch)
+	    --cc=CC		   c compiler to use ($cc)
+            --cross-prefix=PREFIX  cross compiler prefix
+	    --ld=LD		   ld linker to use ($ld)
 	    --prefix=PREFIX        where to install things ($prefix)
 	    --kerneldir=DIR        kernel build directory for kvm.h ($kerneldir)
 EOF
@@ -29,6 +36,18 @@ while [[ "$1" = -* ]]; do
 	--kerneldir)
 	    kerneldir="$arg"
 	    ;;
+        --arch)
+	    arch="$arg"
+	    ;;
+	--cc)
+	    cc="$arg"
+	    ;;
+	--ld)
+	    ld="$arg"
+	    ;;
+	--cross-prefix)
+            cross_prefix="$arg"
+	    ;;
 	--help)
 	    usage
 	    ;;
@@ -41,4 +60,7 @@ cat <<EOF > config.mak
 cat <<EOF > config.mak
 PREFIX=$prefix
 KERNELDIR=$(readlink -f $kerneldir)
+ARCH=$arch
+CC=$cross_prefix$cc
+LD=$cross_prefix$ld
 EOF

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