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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 04ea2145c2..75ca03d7d8 100644 --- a/configure.ac +++ b/configure.ac @@ -1188,6 +1188,17 @@ m4_ifdef([AS_VAR_IF],[ TOR_CHECK_LDFLAGS(-pie, "$all_ldflags_for_check", "$all_libs_for_check") fi TOR_TRY_COMPILE_WITH_CFLAGS(-fwrapv, also_link, CFLAGS_FWRAPV="-fwrapv", true) + + AC_MSG_CHECKING([whether we can run hardened binaries]) + AC_RUN_IFELSE([AC_LANG_PROGRAM([], [return 0;])], + [AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no]) + AC_MSG_ERROR([dnl + We can link with compiler hardening options, but we can't run with them. + That's a bad sign! If you must, you can pass --disable-gcc-hardening to + configure, but it would be better to figure out what the underlying problem + is.])], + [AC_MSG_RESULT([cross])]) fi if test "$fragile_hardening" = "yes"; then |