Makefile.PL: allow N to be overridden

Relying on the number of processors isn't a great idea
since some of our tests rely on delays to test blocking
and slow client behavior.

diff --git a/Makefile.PL b/Makefile.PL
index 3cffe13356de55505b0c9afbf55c2977417c2739..61cb77b6ce7c5a8e9c7758d9f6f90db20c8b8795 100644 (file)
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -40,10 +40,10 @@ sub MY::postamble {
 EATMYDATA =
 -include config.mak
 -include Documentation/include.mk
+N ?= \$(shell echo \$\$(( \$\$(nproc 2>/dev/null || echo 2) + 1)))
 SCRIPTS := scripts/ssoma-replay
 my_syntax := \$(addsuffix .syntax, $PM_FILES \$(EXE_FILES) \$(SCRIPTS))
 
-N := \$(shell echo \$\$(( \$\$(nproc 2>/dev/null || echo 2) + 1)))
 
 %.syntax ::
        @\$(PERL) -I lib -c \$(subst .syntax,,\$@)