1 files changed, 3 insertions, 0 deletions
diff --git a/build.vars b/build.vars
index d60829a0..72be013f 100644
--- a/build.vars
+++ b/build.vars
@@ -14,6 +14,9 @@
 : ${BUILD_STATUS_FINISHED_AT_CURRENT_FNAME:=${PREFIX}/BUILD_FINISHED_AT};
 : ${BUILD_STATUS_IN_PROGRESS_FNAME:=${PREFIX}/BUILD_IN_PROGRESS};
 : ${CFLAGS_DEFAULT:=-g3 -O0};
+: ${CHECK_PREREQ_CMDS:="flex git make mktemp openssl patch sed sort tar tee tr wget"};
+: ${CHECK_PATH_VARS:="PREFIX PREFIX_NATIVE WORKDIR"};
+: ${CLEAR_ENV_VARS_EXCEPT:="HOME PATH SHELL TERM USER"};
 : ${GITROOT:=git://midipix.org};
 : ${GITROOT_HEAD:=git://midipix.org};
 : ${HOST_NATIVE:=x86_64-nt64-midipix};