From 45ee2da9915d8b10db22d49d228123b298a8113a Mon Sep 17 00:00:00 2001 From: Matthew Fernandez Date: Mon, 14 Jun 2021 17:13:08 -0700 Subject: [PATCH] add an explanation of the semi-colon on Makefile rule --- tclpkg/gv/Makefile.am | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tclpkg/gv/Makefile.am b/tclpkg/gv/Makefile.am index 14d7221f6..42e119319 100644 --- a/tclpkg/gv/Makefile.am +++ b/tclpkg/gv/Makefile.am @@ -433,6 +433,8 @@ else pdf = endif +# this rule has a trailing semi-colon for the Make cache to work correctly +# https://stackoverflow.com/questions/37873522/unreliable-parallel-builds-in-a-makefile-with-intermediate $(man): gv_doc_writer.intermediate ; .INTERMEDIATE: gv_doc_writer.intermediate -- 2.40.0