[gentoo-dev] [PATCH 3/8] Avoid writing outside WORKDIR if S=${WORKDIR}.

[Michał Górny]

---
 gx86/eclass/multibuild.eclass | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gx86/eclass/multibuild.eclass b/gx86/eclass/multibuild.eclass
index d42b8a7..a4d5d11 100644
--- a/gx86/eclass/multibuild.eclass
+++ b/gx86/eclass/multibuild.eclass
@@ -99,6 +99,10 @@ multibuild_foreach() {
                || die "MULTIBUILD_VARIANTS need to be set"
 
        local bdir=${BUILD_DIR:-${S}}
+
+       # Avoid writing outside WORKDIR if S=${WORKDIR}.
+       [[ ${bdir%%/} == ${WORKDIR%%/} ]] && bdir=${WORKDIR}/build
+
        local prev_id=${MULTIBUILD_ID:+${MULTIBUILD_ID}-}
        local ret=0 lret=0 v
 
-- 
1.8.1.4