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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.
author William Astle <lost@l-w.ca>
date Fri, 08 Sep 2023 00:35:11 -0600
parents 80b21c6b4a6b
children
comparison
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556:928c033c0cd0 557:b2ee86298516
46 46
47 # The format truncation warnings are bleeping stupid when applied to 47 # The format truncation warnings are bleeping stupid when applied to
48 # snprintf() and friends. I'm using snprintf() precisely to prevent 48 # snprintf() and friends. I'm using snprintf() precisely to prevent
49 # overflows and I don't care if the string is truncated, so why should 49 # overflows and I don't care if the string is truncated, so why should
50 # I need to test the return value? Bleeping stupid. 50 # I need to test the return value? Bleeping stupid.
51 CFLAGS ?= -O3 -Wall -Wno-char-subscripts -Wno-format-truncation 51
52 # -O3 breaks the build on some compiler/system targets so default to
53 # -O2 which seems okay for now. Ideally identifying what breaks at
54 # -O3 is indicated, but so far, identifying the specific source of
55 # the breakage has been problematic.
56 CFLAGS ?= -O2 -Wno-char-subscripts -Wno-format-truncation
52 57
53 MAIN_TARGETS := lwasm/lwasm$(PROGSUFFIX) \ 58 MAIN_TARGETS := lwasm/lwasm$(PROGSUFFIX) \
54 lwlink/lwlink$(PROGSUFFIX) \ 59 lwlink/lwlink$(PROGSUFFIX) \
55 lwar/lwar$(PROGSUFFIX) \ 60 lwar/lwar$(PROGSUFFIX) \
56 lwlink/lwobjdump$(PROGSUFFIX) \ 61 lwlink/lwobjdump$(PROGSUFFIX) \