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Disable irrelevant Cray compiler warnings if cc-silence is enabled

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Cray is pretty warning-happy, so disable ones that aren't helpful. Each warning
has a numeric value instead of having named flags to disable specific warnings.
Disable warnings 128 and 1357.

128:  Ignore unreachable code warning. Cray warns about `not_reached()` not
      being reachable in a couple of places because it detects that some loops
      will never terminate.

1357: Ignore warning about redefinition of malloc and friends

With this patch, Cray 8.4.0 and 8.5.1 build cleanly and pass `make check`
This commit is contained in:
Elliot Ronaghan 2016-07-07 15:06:01 -07:00
parent 3dee73faf2
commit 47b34dd398
1 changed files with 6 additions and 0 deletions
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6
configure.ac
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@ -195,6 +195,12 @@ if test "x$CFLAGS" = "x" ; then
JE_CFLAGS_APPEND([-hipa2])
JE_CFLAGS_APPEND([-hnognu])
fi
if test "x$enable_cc_silence" != "xno" ; then
dnl ignore unreachable code warning
JE_CFLAGS_APPEND([-hnomessage=128])
dnl ignore redefinition of "malloc", "free", etc warning
JE_CFLAGS_APPEND([-hnomessage=1357])
fi
fi
fi
dnl Append EXTRA_CFLAGS to CFLAGS, if defined.