dependencies: check for 'patch'

We need patch for patch-kernel.sh, so verify that it's available
before building.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

diff --git a/toolchain/dependencies/dependencies.sh b/toolchain/dependencies/dependencies.sh
index 9e2e50b4cb4c3027682766b5a42531585922fd9c..a3ee111c07baefd5a88b24ecd30a6f004b89d4e3 100755 (executable)
--- a/toolchain/dependencies/dependencies.sh
+++ b/toolchain/dependencies/dependencies.sh
@@ -297,6 +297,12 @@ fi;
 echo "gettext installed:                               Ok"
 
 
+#############################################################
+#
+# check build system 'makeinfo'
+#
+#############################################################
+
 if ! which makeinfo > /dev/null ; then \
        echo "makeinfo installed:                   FALSE"
        /bin/echo -e "\n\nMost likely some packages will fail to build their documentation"
@@ -306,6 +312,17 @@ else
        echo "makeinfo installed:                               Ok"
 fi
 
+#############################################################
+#
+# check build system 'patch'
+#
+#############################################################
+if ! which patch > /dev/null ; then \
+       echo "patch installed:                          FALSE"
+       /bin/echo -e "\n\nYou must install 'patch' on your build machine\n"; \
+       exit 1; \
+fi;
+echo "patch installed:                         Ok"
 
 #############################################################
 #