From 302897c5e8d61db9107505ba929f9abfc197896d Mon Sep 17 00:00:00 2001
From: Lukasz Kasprzak <lukas@labunix.xyz>
Date: Wed, 29 Jul 2026 00:49:47 +0200
Subject: perf: DEFLATE (puff) + -no-pie -> OF binary 879 KB -> 662 KB (-25%)

Two size wins:

- Replace the home-grown LZSS (2.0x) with DEFLATE: mktext gzips the text and
  strips the gzip container to a raw DEFLATE stream; clectio decompresses it
  with puff, Mark Adler's public-domain reference inflate (~200 lines, verified
  byte-identical to gunzip on the OF/EF text, repetitive, random and empty
  inputs). Text blob 671 KB -> 492 KB (OF), 164 KB -> 132 KB (EF), 2.7x.

- Build with -no-pie: clectio is a local CLI reading static embedded data with
  no attack surface, so it needs no PIE/ASLR. The linker then bakes the string-
  table pointers in at link time instead of emitting ~57 KB of runtime
  relocations.

Net: OF 879 -> 662 KB, EF 266 -> 214 KB. Verified byte-identical to lectio.
The default build still needs only a compiler + libc; a CORPUS= rebuild now
also needs gzip. lz.h removed.

Claude-Session: https://claude.ai/code/session_01S1CD1u3tgSS4xNu6WHfp5a
---
 Makefile | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index aa3896e..ae74a05 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,11 @@
 
 CC     ?= cc
 CFLAGS  = -std=c99 -Os -Wall -Wextra
-LDFLAGS = -s
+# -no-pie: this is a local CLI reading static embedded data with no attack
+# surface, so it does not need PIE/ASLR. Dropping it lets the linker bake the
+# string-table pointers in at link time instead of emitting ~57 KB of runtime
+# relocations -- a ~6% smaller binary for free.
+LDFLAGS = -s -no-pie
 PREFIX  = /usr/local
 
 # The form to build is read from config.h so there is one source of truth.
@@ -19,7 +23,7 @@ all: clectio
 config.h:
 	cp config.def.h config.h
 
-mktext: mktext.c lz.h
+mktext: mktext.c
 	$(CC) $(CFLAGS) -o $@ mktext.c
 
 bin2h: bin2h.c
@@ -38,8 +42,8 @@ endif
 text.lz.h: bin2h text_$(FORM).lz
 	./bin2h text_$(FORM).lz > $@
 
-clectio: clectio.c config.h text.lz.h gen/liturgy_$(FORM).h lz.h
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ clectio.c
+clectio: clectio.c puff.c puff.h config.h text.lz.h gen/liturgy_$(FORM).h
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ clectio.c puff.c
 
 size: clectio
 	@ls -l clectio | awk '{printf "clectio (%s): %d bytes = %.0f KB\n","$(FORM)",$$5,$$5/1024}'
-- 
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