include: set shell to "sh" for prereq tests

Bash is not guaranteed to be present, e.g. on a fresh FreeBSD install
so perform prereq tests with /bin/sh.

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44275 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/include/prereq-build.mk b/include/prereq-build.mk
index 4ddaa38..306a6b3 100644 (file)
--- a/include/prereq-build.mk
+++ b/include/prereq-build.mk
@@ -10,6 +10,7 @@ include $(INCLUDE_DIR)/prereq.mk
 include $(INCLUDE_DIR)/host.mk
 include $(INCLUDE_DIR)/host-build.mk
 
+SHELL:=sh
 PKG_NAME:=Build dependency