build: require rsync

It seems to be required to build toolchain/kernel-headers.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

diff --git a/README.md b/README.md
index 8d9a616ac56af0396813d85f7804730fda27c041..21acbf4b8056279ec223296afec5ce1d085428fe 100644 (file)
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ documentation.
 
 ```
 gcc binutils bzip2 flex python3 perl make find grep diff unzip gawk getopt
-subversion libz-dev libc-dev
+subversion libz-dev libc-dev rsync
 ```
 
 ### Quickstart

diff --git a/include/prereq-build.mk b/include/prereq-build.mk
index e7314b253b58610c5c0b8264f251e1345eacde7c..5045fabdfbde91affcfa11c03612f9ceb43bf89b 100644 (file)
--- a/include/prereq-build.mk
+++ b/include/prereq-build.mk
@@ -170,6 +170,9 @@ $(eval $(call SetupHostCommand,git,Please install Git (git-core) >= 1.7.12.2, \
 $(eval $(call SetupHostCommand,file,Please install the 'file' package, \
        file --version 2>&1 | grep file))
 
+$(eval $(call SetupHostCommand,rsync,Please install 'rsync', \
+       rsync --version </dev/null))
+
 $(STAGING_DIR_HOST)/bin/mkhash: $(SCRIPT_DIR)/mkhash.c
        mkdir -p $(dir $@)
        $(CC) -O2 -I$(TOPDIR)/tools/include -o $@ $<