[OpenBIOS] [PATCH] switch-arch: Add non-standard compiler prefix support

[Tarl Neustaedter]

On 2015-May-10 17:08 , Programmingkid wrote:
[...]
> What advantage does the code  "if [ x"$CROSS_COMPILE" != "x" ];" have over "if [ "$CROSS_COMPILE" ];"?

I don't believe the latter form worked on the early versions of sh/test, 
there might still be systems where if [""]; produces a syntax error.