build/pkg-config.sh: add comment

c672b60d · Max Kellermann · ea269c9c · c672b60d
Commit c672b60d authored Feb 22, 2019 by Max Kellermann
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pkg-config.sh build/pkg-config.sh +4 -0

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--- a/build/pkg-config.sh
+++ b/build/pkg-config.sh
 #!/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"`