From 39c8a7a43a571b21cf2a746b11a237008da15b9b Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Thu, 17 Nov 2016 20:01:15 -0500
Subject: [PATCH] Replace the glob in the clean target with a POSIX-compliant
 "for" loop.

---
 GNUmakefile | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/GNUmakefile b/GNUmakefile
index 89db2d9..28796c1 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -125,11 +125,14 @@ endif
 check:
 	@[ -z "$(shell chktex --quiet mjotex.sty)" ]
 
-# Clean up leftover junk.
+# Clean up leftover junk. This only looks overcomplicated because
+# the *.{foo,bar} syntax supported by Bash is not POSIX, and Make
+# will execute these commands using /bin/sh (which should be POSIX).
+JUNK_EXTENSIONS  = aux bbl bcf bib blg listing lof log nav out pdf
+JUNK_EXTENSIONS += snm spl toc xml
 .PHONY: clean
 clean:
-	rm -f *.{aux,bbl,bcf,bib,blg,listing,lof,log}
-	rm -f *.{nav,out,pdf,snm,spl,toc,xml}
+	for ext in $(JUNK_EXTENSIONS); do rm -f *.$$ext; done;
 	rm -rf dist/
 
 # If this document will be published, the publisher isn't going to
-- 
2.44.2