mkdtemp
check error in mkdtemp()
Document GL_FFP_ONLY setting in src/settings.js.
cleanup and consolidate glGet
Merge branch 'glGet-cleanup' into incoming
Merge pull request #1872 from coolwanglu/mkdtemp

mkdtemp
fix fastcomp vararg alignment, only 4-byte
fix memset return value
fix bitcast type when the input is an llvm function like getelementptr
do not emit empty postsets from js compiler for fastcomp output
fix repeating global_funcs for fastcomp
emit runPostSets call in fastcomp
add missing mkport dependency
fix memmove return value