# provide an override for the OS type and architecture type; they still have
# to be used for the OS-specific files. To override them, you can set the
# shell variables OSTYPE and ARCHTYPE when running make.
+#
+# EXIM_BUILD_SUFFIX should be used to enable parallel builds on a file
+# system shared among different Linux distros (same os-type, same
+# arch-type). The ../test/runtest script is expected to honour the
+# EXIM_BUILD_SUFFIX when searching the Exim binary.
+# NOTE: EXIM_BUILD_SUFFIX is considered *experimental*.
-buildname=$${build:-`$(SHELL) scripts/os-type`-`$(SHELL) scripts/arch-type`}
+buildname=$${build:-`$(SHELL) scripts/os-type`-`$(SHELL) scripts/arch-type`}$${EXIM_BUILD_SUFFIX:+.$$EXIM_BUILD_SUFFIX}
# The default target checks for the existence of Local/Makefile, that the main
# makefile is built and up-to-date, and then it runs it.
@cd build-$(buildname); $(MAKE) SHELL=$(SHELL) $(MFLAGS)
-# This pair for the convinience of of the Debian maintainers
+# This pair for the convenience of of the Debian maintainers
exim: Local/Makefile configure
@cd build-$(buildname); $(MAKE) SHELL=$(SHELL) $(MFLAGS) exim
utils: Local/Makefile configure