Allow to specify Linux kernel config file

The env variable XEN_LINUX_CONFIG is used to specify this
file.

Signed-off-by: Jean Guyader <jean.guyader@eu.citrix.com>

diff --git a/buildconfigs/mk.linux-2.6-common b/buildconfigs/mk.linux-2.6-common
index 05847e9731d1385e38629365d623d176c41e2693..6561e4e43987d3c6096c8b8c3e4c26700e289d40 100644 (file)
--- a/buildconfigs/mk.linux-2.6-common
+++ b/buildconfigs/mk.linux-2.6-common
@@ -75,7 +75,9 @@ $(LINUX_DIR)/include/linux/autoconf.h: $(LINUX_SRCDIR)/.valid-src
        # tree. Finally attempt to use make defconfig.
        set -e ; \
        CONFIG_VERSION=$$(sed -ne 's/$$(XENGUEST)//; s/^EXTRAVERSION = //p' $(LINUX_SRCDIR)/Makefile); \
-       if [ -r $(DESTDIR)/boot/config-$(LINUX_VER3)$$CONFIG_VERSION$(EXTRAVERSION) ] ; then \
+       if [ ! -z "$(XEN_LINUX_CONFIG)" -a -r $(XEN_LINUX_CONFIG) ]; then \
+         cp $(XEN_LINUX_CONFIG) $(CONFIG_FILE); \
+       elif [ -r $(DESTDIR)/boot/config-$(LINUX_VER3)$$CONFIG_VERSION$(EXTRAVERSION) ] ; then \
          cp $(DESTDIR)/boot/config-$(LINUX_VER3)$$CONFIG_VERSION$(EXTRAVERSION) $(CONFIG_FILE) ; \
         elif [ -e $(LINUX_SRCDIR)/buildconfigs/create_config.sh ] ; then \
          cd $(LINUX_SRCDIR) && sh buildconfigs/create_config.sh \