Support parallel make check with GNU make 4.2+
Commit Message
Hi Tom,
>>>>>> "Rainer" == Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> writes:
>
> Rainer> The fix is trivial: just accept an optional arg to -j in Makefile.in
> Rainer> (saw_dash_j). Tested on i386-pc-solaris2.11 with just make and make
> Rainer> -j/-jN with both make 3.82 and 4.2.1.
>
> Rainer> Ok for master?
>
> Thanks for doing this, and nice work noticing it.
> This is OK if you first fix the nit that Andreas pointed out.
here's what I've checked in.
Thanks.
Rainer
# HG changeset patch
# Parent 4aa118a772bdc3c80b028bbb31ccbe3866b6199e
Support parallel make check with GNU make 4.2+
@@ -137,10 +137,11 @@ uninstall: force
installcheck:
-# See whether -j was given to make. Either it was given with no
-# arguments, and appears as "j" in the first word, or it was given an
-# argument and appears as "-j" in a separate word.
-saw_dash_j = $(or $(findstring j,$(firstword $(MAKEFLAGS))),$(filter -j,$(MAKEFLAGS)))
+# See whether -j was given to make. Before GNU make 4.2, either it was
+# given with no arguments, and appears as "j" in the first word, or it was
+# given an argument and appears as "-j" in a separate word. Starting with
+# GNU make 4.2, it always appears as "-j"/"-jN" in a separate word.
+saw_dash_j = $(or $(findstring j,$(firstword $(MAKEFLAGS))),$(filter -j%,$(MAKEFLAGS)))
# Try to run the tests in parallel if any -j option is given. If RUNTESTFLAGS
# is not empty, then by default the tests will be serialized. This can be