abuild: improve cross compiling support

1 files changed, 4 insertions, 0 deletions

diff --git a/abuild.in b/abuild.in
index b0a512e..97926f3 100644
--- a/abuild.in
+++ b/abuild.in
@@ -2184,6 +2184,10 @@ Commands:
   up2date     Compare target and sources dates
   verify      Verify checksums
 
+To activate cross compilation specify in environment:
+  CHOST       Arch or hostspec of machine to generate packages for
+  CTARGET     Arch or hostspec of machine to generate compiler for
+
 EOF
 	exit 0
 }