commit 8b64ff7a3f2d9eb0837248a6c9b0e8b438374369
Author: George Kadianakis <[email protected]>
Date: Mon Feb 25 15:29:41 2019 +0200
Silence unneeded clang warns that triggered in prob distr tests.
See https://trac.torproject.org/projects/tor/ticket/29528#comment:3
and https://bugs.llvm.org/show_bug.cgi?id=19535
---
configure.ac | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/configure.ac b/configure.ac
index 75bb0c7bd..8f0563753 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1196,6 +1196,11 @@ if test "$fragile_hardening" = "yes"; then
AC_MSG_ERROR([The compiler supports -fsanitize=undefined, but for some
reason I was not able to link when using it. Are you missing run-time support?
With GCC you need libasan.*, and with Clang you need libclang_rt.ubsan*])
fi
+ TOR_TRY_COMPILE_WITH_CFLAGS([-fno-sanitize=float-divide-by-zero],
also_link, CFLAGS_UBSAN="-fno-sanitize=float-divide-by-zero", true)
+ if test "$tor_cv_cflags__fno_sanitize_float_divide_by_zero" = "yes" &&
test "$tor_can_link__fno_sanitize_float_divide_by_zero" != "yes"; then
+ AC_MSG_ERROR([The compiler supports -fno-sanitize=float-divide-by-zero,
but for some reason I was not able to link when using it. Are you missing
run-time support? With GCC you need libasan.*, and with Clang you need
libclang_rt.ubsan*])
+ fi
+
TOR_CHECK_CFLAGS([-fno-omit-frame-pointer])
fi
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