[coreboot-gerrit] Patch merged into coreboot/master: toolchain.inc: verify tool variable validity before using it.

[gerrit at coreboot.org]

the following patch was just integrated into master:
commit c989e07fe6d2630613f7047dd2136dfd9926da2e
Author: Martin Roth <martinroth at google.com>
Date:   Fri Dec 4 14:29:37 2015 -0700

    toolchain.inc: verify tool variable validity before using it.
    
    If the toolchain for a stage/architecture wasn't present, we'd call the
    shell with '-v', generating an ugly warning:
    
    /bin/sh: - : invalid option
    Usage:  /bin/sh [GNU long option] [option] ...
            /bin/sh [GNU long option] [option] script-file ...
    GNU long options:
    ...
    
    Change-Id: Icd6d7a00083ee1695591ff96da36b7868be0c2f0
    Signed-off-by: Martin Roth <martinroth at google.com>
    Reviewed-on: https://review.coreboot.org/12649
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi <pgeorgi at google.com>


See https://review.coreboot.org/12649 for details.

-gerrit