experimental: add initial cross-compilation support

1 files changed, 4 insertions, 2 deletions

diff --git a/core/busybox/build b/core/busybox/build
index df00282d..2a3f38c1 100755
--- a/core/busybox/build
+++ b/core/busybox/build
@@ -10,9 +10,11 @@ for patch in *.patch; do
     patch -p1 < "$patch"
 done
 
+[ "$CPT_CROSS_TRIPLET" ] && CC=$CPT_CROSS_TRIPLET-cc
+
 # Build and install regular busybox.
 # This excludes utilities which require 'suid' to function.
-make CC="${CC:-gcc}"
+make CC="${CC:=gcc}"
 make CONFIG_PREFIX="$1/usr" install
 
 # Rename the binary temporarily.
@@ -21,7 +23,7 @@ mv "$1/usr/bin/busybox" "$1/usr/bin/busybox-nosuid"
 # Build and install suid busybox.
 # This _only_ includes utlities which require 'suid' to function.
 cp -f .config-suid .config
-make CC="${CC:-gcc}"
+make CC="$CC"
 make CONFIG_PREFIX="$1/usr" install
 
 # Aptly name the busybox binaries.