Scanning dependencies of target openal
[ 5%] Building C object CMakeFiles/openal.dir/OpenAL32/alAuxEffectSlot.o
x86_64-pc-linux-gnu-gcc: DEFINES: No such file or directory
make: *** [CMakeFiles/openal.dir/OpenAL32/alAuxEffectSlot.o] Error 1
make: *** [CMakeFiles/openal.dir/all] Error 2
make: *** [all] Error 2
* ERROR: media-libs/openal-1.6.372 failed.
Created attachment 185094 [details]
build.log for openal-1.6.372
Created attachment 185095 [details]
Output of emerge --info
Created attachment 185096 [details]
build log for openal-1.5.304
Please upgrade your cmake and openal both to latest version and try again.
Found some similar postings,
And problem seems to have gone away.
openal-1.6.372 built with cmake 2.6.2-r1, which was pulled in by openal (previously 2.4.8 was used). Looks like issue can be closed.