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| -rwxr-xr-x | configure | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/configure b/configure index a2728969..43598825 100755 --- a/configure +++ b/configure @@ -495,6 +495,13 @@ fnmatch '-mtune=*|*\ -mtune=*' "$CC $CFLAGS" || tryldflag CFLAGS_AUTO -mtune=gen fi # +# GCC defines -w as overriding any -W options, regardless of order, but +# clang has a bunch of annoying warnings enabled by default and needs -w +# to start from a clean slate. So use -w if building with clang. +# +test "$cc_family" = clang && tryflag CFLAGS_AUTO -w + +# # Even with -std=c99, gcc accepts some constructs which are constraint # violations. We want to treat these as errors regardless of whether # other purely stylistic warnings are enabled -- especially implicit |