From 8ef6098a65edc1a8656a3f737a0434dff503c328 Mon Sep 17 00:00:00 2001
From: Nathan Moinvaziri <nathan@nathanm.com>
Date: Tue, 30 Jan 2024 09:15:06 -0800
Subject: [PATCH] Enable LIT_MEM by default expect when WITH_REDUCED_MEM is ON.

---
 CMakeLists.txt | 2 +-
 configure      | 2 +-
 deflate.h      | 4 +++-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4b0f5fcd..0d4659f4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -537,7 +537,7 @@ endif()
 # Enable reduced memory configuration
 #
 if(WITH_REDUCED_MEM)
-    add_definitions(-DHASH_SIZE=32768u -DGZBUFSIZE=8192)
+    add_definitions(-DHASH_SIZE=32768u -DGZBUFSIZE=8192 -DNO_LIT_MEM)
     message(STATUS "Configured for reduced memory environment")
 endif()
 
diff --git a/configure b/configure
index 93090bab..04b5f580 100755
--- a/configure
+++ b/configure
@@ -858,7 +858,7 @@ fi
 # enable reduced memory configuration
 if test $reducedmem -eq 1; then
   echo "Configuring for reduced memory environment." | tee -a configure.log
-  CFLAGS="${CFLAGS} -DHASH_SIZE=32768u -DGZBUFSIZE=8192"
+  CFLAGS="${CFLAGS} -DHASH_SIZE=32768u -DGZBUFSIZE=8192 -DNO_LIT_MEM"
 fi
 
 # if code coverage testing was requested, use older gcc if defined, e.g. "gcc-4.2" on Mac OS X
diff --git a/deflate.h b/deflate.h
index 392cf117..f49ea06b 100644
--- a/deflate.h
+++ b/deflate.h
@@ -24,7 +24,9 @@
 
 /* define LIT_MEM to slightly increase the speed of deflate (order 1% to 2%) at
    the cost of a larger memory footprint */
-/* #define LIT_MEM */
+#ifndef NO_LIT_MEM
+#  define LIT_MEM
+#endif
 
 /* ===========================================================================
  * Internal compression state.
-- 
2.47.2