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| author | George Kadianakis <desnacked@riseup.net> | 2019-02-25 15:29:41 +0200 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2019-03-13 10:36:26 -0400 |
| commit | 8b64ff7a3f2d9eb0837248a6c9b0e8b438374369 (patch) | |
| tree | 07e51d93495c3adaab516a137604d9332d624e02 /configure.ac | |
| parent | a71999462b8d185c70169c4cba3efde6e55393ce (diff) | |
| download | tor-8b64ff7a3f2d9eb0837248a6c9b0e8b438374369.tar.gz tor-8b64ff7a3f2d9eb0837248a6c9b0e8b438374369.zip | |
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
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 75bb0c7bd9..8f05637538 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 |