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Merge branch 'maint-0.4.0' into release-0.4.0

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George Kadianakis
2019-04-03 17:55:41 +03:00
parent eb3b4dcd79 828f1829c8
commit 33e0c03103
2 changed files with 10 additions and 0 deletions
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changes/bug29527
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@@ -0,0 +1,5 @@
o Minor features (circuit padding):
- Stop warning about undefined behavior in the probability distribution
tests. Float division by zero may technically be undefined behaviour in
C, but it's well-defined in IEEE 754. Partial backport of 29298.
Closes ticket 29527; bugfix on 0.4.0.1-alpha.
configure.ac
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@@ -1198,6 +1198,11 @@ 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