Note that APU_VERSION=trunk doesn't work per rpluem's mail. [skip ci]
@@ -13,7 +13,8 @@ The Travis scripts use the following environment variables:
* APU_VERSION - if set, APR-util of this version is built and
installed in $HOME/root/apr-util-$APU_VERSION - a value of "*.x"
- means a branch, otherwise a tagged version is implied.
+ means a branch, otherwise a tagged version is implied. (Since there
+ is no "trunk" for apr-util, that value cannot be used here.)
* APU_CONFIG - arguments to pass when running APR-util's configure
script if APU_VERSION is set
