# HG changeset patch
# User William Astle <lost@l-w.ca>
# Date 1694154911 21600
# Node ID b2ee86298516c7f991f30cd1fea5a110d02aee13
# Parent  928c033c0cd0f11681d77fb274a47a2820d5cc05
Reduce default optimization level to -O2

It seems -O3 isn't as reliable as it maybe should be. There is plenty of
information out there indicating that it is more likely to trigger compiler
bugs so setting the default to -O2 instead.

diff -r 928c033c0cd0 -r b2ee86298516 Makefile
--- a/Makefile	Fri Sep 08 00:32:40 2023 -0600
+++ b/Makefile	Fri Sep 08 00:35:11 2023 -0600
@@ -48,7 +48,12 @@
 # snprintf() and friends. I'm using snprintf() precisely to prevent
 # overflows and I don't care if the string is truncated, so why should
 # I need to test the return value? Bleeping stupid.
-CFLAGS ?= -O3 -Wall -Wno-char-subscripts -Wno-format-truncation
+
+# -O3 breaks the build on some compiler/system targets so default to
+# -O2 which seems okay for now. Ideally identifying what breaks at
+# -O3 is indicated, but so far, identifying the specific source of
+# the breakage has been problematic.
+CFLAGS ?= -O2 -Wno-char-subscripts -Wno-format-truncation
 
 MAIN_TARGETS := lwasm/lwasm$(PROGSUFFIX) \
 	lwlink/lwlink$(PROGSUFFIX) \