Releng: use previous SDK for installing the previous compiler into
diff --git a/releng/build-scripts/build/otdt_prerequisites-hipp.sh b/releng/build-scripts/build/otdt_prerequisites-hipp.sh
index 4513175..efff124 100644
--- a/releng/build-scripts/build/otdt_prerequisites-hipp.sh
+++ b/releng/build-scripts/build/otdt_prerequisites-hipp.sh
@@ -57,11 +57,11 @@
# VERSIONS:
# -- Boot:
# used only locally (components of the ECLIPSE_BOOT_TGZ path):
-EVERSION="4.11"
-DROP=${DROPS4}/"R-4.11-201903070500"
+EVERSION_BOOT="4.11"
+DROP_BOOT=${DROPS4}/"R-4.11-201903070500"
# EXPORT: archive file of the boot eclipse SDK build:
-ECLIPSE_BOOT_TGZ=${DROP}/eclipse-SDK-${EVERSION}-linux-gtk-${ARCH}.tar.gz
+ECLIPSE_BOOT_TGZ=${DROP_BOOT}/eclipse-SDK-${EVERSION_BOOT}-linux-gtk-${ARCH}.tar.gz
# -- Base for testing: --
# Eclipse SDK build identifier (used for substitution in otdt.map.in etc.):
