--- Makefile.orig	2021-12-13 20:33:26 UTC
+++ Makefile
@@ -146,7 +146,7 @@ ifeq (32,$(BITS))
 endif
 
 DEBUG_FLAGS = -O0 -g3
-RELEASE_FLAGS = -O3
+RELEASE_FLAGS =
 NOASSERT_FLAGS = -DNDEBUG
 FILE_FLAGS = -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 
@@ -225,7 +225,7 @@ DEFS=-fno-strict-aliasing \
      $(MM_DEF) \
      $(SHMEM_DEF)
 
-ALL_FLAGS = $(EXTRA_FLAGS) $(CFLAGS) $(CXXFLAGS)
+ALL_FLAGS = $(EXTRA_FLAGS) $(CXXFLAGS)
 DEBUG_DEFS = -DCOMPILER_OPTIONS="\"$(DEBUG_FLAGS) $(EXTRA_FLAGS) $(CFLAGS) $(CXXFLAGS)\""
 RELEASE_DEFS = -DCOMPILER_OPTIONS="\"$(RELEASE_FLAGS) $(EXTRA_FLAGS) $(CFLAGS) $(CXXFLAGS)\""