builder$ ../customdistro/bitbake/bin/bitbake customimage
ERROR:  OE-core's config sanity checker detected a potential misconfiguration.
    Either fix the cause of this error or at your own risk disable the checker (see sanity.conf).
    Following is the list of potential problems / advisories:

    PATH contains '.', './' or '' (empty element), which will break the build, please remove this.
Parsed PATH is ['/local/smitty/custom_distro/customdistro/openembedded-core/scripts', '/local/smitty/custom_distro/build/tmp-glibc/work/i586-oe-linux/defaultpkgname/1.0-r0/recipe-sysroot-native/usr/bin/i586-oe-linux', '/local/smitty/custom_distro/build/tmp-glibc/work/i586-oe-linux/defaultpkgname/1.0-r0/recipe-sysroot/usr/bin/crossscripts', '/local/smitty/custom_distro/build/tmp-glibc/work/i586-oe-linux/defaultpkgname/1.0-r0/recipe-sysroot-native/usr/sbin', '/local/smitty/custom_distro/build/tmp-glibc/work/i586-oe-linux/defaultpkgname/1.0-r0/recipe-sysroot-native/usr/bin', '/local/smitty/custom_distro/build/tmp-glibc/work/i586-oe-linux/defaultpkgname/1.0-r0/recipe-sysroot-native/sbin', '/local/smitty/custom_distro/build/tmp-glibc/work/i586-oe-linux/defaultpkgname/1.0-r0/recipe-sysroot-native/bin', '', '/local/smitty/custom_distro/build/tmp-glibc/hosttools']


Summary: There was 1 ERROR message shown, returning a non-zero exit code.
builder$ echo "[${PATH}]"
[/home/smitty/bin:/usr/local/sbin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/games:/usr/bin/X11:/usr/local/bin]
builder$