fix creation of temp dir in EMCC_DEBUG for the first time
include precise i64 math stuff when fastcomp tells us
get glue phase to emit i64 stuff for fastcomp
fastcomp imports fix
fix typos
fix i64 reads in formatString for fastcomp
Fix typo in GL library abort function case.
Fix (harmless) out-of-bounds access on vertex attribute indices in GL emulation init when GL_FFP_ONLY is set.
Implement glGetTexEnviv and glGetTexEnvfv in GL emulation mode.