From 10aa155084011e1d22121c32b923fdf5ee2bb38e Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Fri, 30 Jan 2026 08:45:09 -0500
Subject: [PATCH] GNUmakefile: run check-sage with python -m sage.doctest

System installations of the sage library may not support "sage -t",
so use the more-reliable "python -m sage.doctest" instead.
---
 GNUmakefile | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/GNUmakefile b/GNUmakefile
index a3faa2f..c0071cb 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -214,14 +214,15 @@ check-chktex:
 check-undefined: $(BUILDDIR)/$(PN).log
 	@! grep -i 'undefined' $<
 
-# Use sage to doctest any \sagelisting{}s in SAGE_LISTING_DSTS.
-# The actuall command is ifdef'd so that we can comment out
-# the definition of SAGE_LISTING_DSTS without breaking the
-# default definition of the "check" target.
+# Use SageMath to doctest any \sagelisting{}s in SAGE_LISTING_DSTS.
+# The actual command is ifdef'd so that we can comment out the
+# definition of SAGE_LISTING_DSTS without breaking the default
+# definition of the "check" target. Assumes that the sage library is
+# installed somewhere known to python.
 .PHONY: check-sage
 check-sage: $(SAGE_LISTING_DSTS)
 ifdef SAGE_LISTING_DSTS
-	sage -t --timeout=0 $^
+	python -m sage.doctest --timeout=0 $^
 endif
 
 # Run a suite of checks.
-- 
2.51.0