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      1 #	$NetBSD: copts.mk,v 1.12 2024/07/04 01:11:34 rin Exp $
      2 
      3 # MI per-file compiler options required.
      4 
      5 # Use -Wno-error=foo when the ultimate goal is to fix this warning
      6 # with code change, and use -Wno-foo when the warning is bad.
      7 
      8 .ifndef _SYS_CONF_COPTS_MK_
      9 _SYS_CONF_COPTS_MK_=1
     10 
     11 COPTS.pf.c+=		${CC_WNO_IMPLICIT_FALLTHROUGH}
     12 COPTS.radeon_cs.c+=	${CC_WNO_IMPLICIT_FALLTHROUGH}
     13 COPTS.via_dmablit.c+=	${CC_WNO_IMPLICIT_FALLTHROUGH}
     14 
     15 .if defined(HAVE_GCC) && ${HAVE_GCC} >= 8 && ${ACTIVE_CC} == "gcc" && \
     16     (${MACHINE_ARCH} == "mipseb" || ${MACHINE_ARCH} == "mipsel")
     17 COPTS.linux_machdep.c+=	-Wno-error=unused-but-set-variable
     18 .endif
     19 
     20 .if defined(HAVE_GCC) && ${HAVE_GCC} >= 10 && ${ACTIVE_CC} == "gcc"
     21 COPTS.ath.c+=		-Wno-error=enum-conversion
     22 COPTS.dpt.c+=		${CC_WNO_ADDRESS_OF_PACKED_MEMBER}
     23 COPTS.ffs_appleufs.c+=	${CC_WNO_ADDRESS_OF_PACKED_MEMBER}
     24 # These are wrong. The code explicitly avoids this case.
     25 COPTS.in_pcb.c+=	${CC_WNO_RETURN_LOCAL_ADDR}
     26 COPTS.in6_pcb.c+=	${CC_WNO_RETURN_LOCAL_ADDR}
     27 # Also seems wrong.
     28 COPTS.magma.c+=		${CC_WNO_MAYBE_UNINITIALIZED}
     29 .endif
     30 
     31 # Some of these indicate a potential GCC bug:
     32 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110878
     33 .if defined(HAVE_GCC) && ${HAVE_GCC} >= 12 && ${ACTIVE_CC} == "gcc" && \
     34     (${MACHINE_ARCH} == "aarch64" || ${MACHINE_ARCH} == "aarch64eb")
     35 COPTS.aes_armv8.c+=	${CC_WNO_STRINGOP_OVERREAD} ${CC_WNO_STRINGOP_OVERFLOW}
     36 COPTS.aes_neon.c+=	${CC_WNO_STRINGOP_OVERREAD} ${CC_WNO_STRINGOP_OVERFLOW} -flax-vector-conversions
     37 COPTS.aes_neon_subr.c+=	${CC_WNO_ARRAY_BOUNDS} -flax-vector-conversions
     38 COPTS.chacha_neon.c+=	-flax-vector-conversions
     39 .endif
     40 
     41 .if ${MACHINE_ARCH} == "x86_64" || ${MACHINE_ARCH} == "i386"
     42 COPTS.aes_ni.c+=	${CC_WNO_STRINGOP_OVERREAD} ${CC_WNO_STRINGOP_OVERFLOW}
     43 COPTS.aes_sse2_subr.c+=	${CC_WNO_ARRAY_BOUNDS}
     44 COPTS.aes_ssse3_subr.c+=${CC_WNO_ARRAY_BOUNDS}
     45 COPTS.aes_via.c+=	${CC_WNO_ARRAY_BOUNDS}
     46 .endif
     47 
     48 .endif
     49