diff options
Diffstat (limited to 'config/user-backtrace.m4')
| -rw-r--r-- | config/user-backtrace.m4 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/config/user-backtrace.m4 b/config/user-backtrace.m4 new file mode 100644 index 000000000000..25706767cdc3 --- /dev/null +++ b/config/user-backtrace.m4 @@ -0,0 +1,14 @@ +dnl +dnl backtrace(), for userspace assertions. glibc has this directly in libc. +dnl FreeBSD and (sometimes) musl have it in a separate -lexecinfo. It's assumed +dnl that this will also get the companion function backtrace_symbols(). +dnl +AC_DEFUN([ZFS_AC_CONFIG_USER_BACKTRACE], [ + AX_SAVE_FLAGS + LIBS="" + AC_SEARCH_LIBS([backtrace], [execinfo], [ + AC_DEFINE(HAVE_BACKTRACE, 1, [backtrace() is available]) + AC_SUBST([BACKTRACE_LIBS], ["$LIBS"]) + ]) + AX_RESTORE_FLAGS +]) |