build/pkg-config.sh: add comment

2019-02-22 12:39:59 +01:00 · 2019-02-22 12:39:59 +01:00 · c672b60d07
parent ea269c9c92
commit c672b60d07
1 changed files with 4 additions and 0 deletions
--- a/build/pkg-config.sh
+++ b/build/pkg-config.sh
@ -1,5 +1,9 @@
 #!/bin/sh -e

+# This is a wrapper for pkg-config which helps with cross-compiling;
+# it sets up environment variables to pkg-config searches for
+# libraries in the sysroot where a copy of this script is located.
+
 BIN=`dirname $0`
 ROOT=`dirname "$BIN"`