From ff61979f99e7dad339c523117e3daccdbeb9e659 Mon Sep 17 00:00:00 2001
From: Cody Boone Ferguson <53008573+xexyl@users.noreply.github.com>
Date: Tue, 19 Dec 2023 05:35:18 -0800
Subject: [PATCH 1/2] Be more explicit about -O0 -g in 2019/endoh

---
 2019/endoh/Makefile | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/2019/endoh/Makefile b/2019/endoh/Makefile
index 473de4155..fb322c5de 100644
--- a/2019/endoh/Makefile
+++ b/2019/endoh/Makefile
@@ -65,7 +65,9 @@ CINCLUDE=
 
 # Optimization
 #
-OPT=
+# We MUST DISABLE THE OPTIMISER AND ENABLE -g because the entry is A BACKTRACE
+# QUINE and NEEDS debugging symbols.
+OPT= -O0 -g
 
 # Default flags for ANSI C compilation
 #
@@ -129,6 +131,9 @@ all: data ${TARGET}
 	clean clobber install love haste waste maker easter_egg \
 	sandwich supernova deep_magic magic charon pluto
 
+# We FORCE the use of -O0 -g even if someone overrides it because this entry is
+# a BACKTRACE QUINE and NEEDS DEBUGGING SYMBOLS.
+#
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} -g $< -o $@ ${LDFLAGS}
 

From 850abc4f37ca6b167112a9a79bd6e881ed0b2e38 Mon Sep 17 00:00:00 2001
From: Cody Boone Ferguson <53008573+xexyl@users.noreply.github.com>
Date: Tue, 19 Dec 2023 05:39:40 -0800
Subject: [PATCH 2/2] Update 2019/endoh/README.md about optimiser

I could have sworn I did this but it doesn't seem to be done, perhaps
because of a merge before I was ready (git stash; git pull .. ; git
stash pop) but this is not clear.
---
 2019/endoh/README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/2019/endoh/README.md b/2019/endoh/README.md
index b4ce509d8..43d022325 100644
--- a/2019/endoh/README.md
+++ b/2019/endoh/README.md
@@ -4,6 +4,9 @@
 make
 ```
 
+NOTE: we FORCE disable the optimiser and FORCE enable `-g` as this is a
+BACKTRACE QUINE and NEEDS debugging symbols.
+
 
 ### Bugs and (Mis)features: