libspl/assert: use libunwind for backtrace when available

libunwind seems to do a better job of resolving a symbols than
backtrace(), and is also useful on platforms that don't have backtrace()
(eg musl). If it's available, use it.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Sponsored-by: https://despairlabs.com/sponsor/
Closes #16140
This commit is contained in:
Rob Norris
2024-04-30 10:37:29 +10:00
committed by Brian Behlendorf
parent 2152c405ba
commit 051460b8b2
4 changed files with 79 additions and 3 deletions
+2 -2
View File
@@ -1,6 +1,6 @@
include $(srcdir)/%D%/include/Makefile.am
libspl_assert_la_CFLAGS = $(AM_CFLAGS) $(LIBRARY_CFLAGS)
libspl_assert_la_CFLAGS = $(AM_CFLAGS) $(LIBRARY_CFLAGS) $(LIBUNWIND_CFLAGS)
libspl_la_CFLAGS = $(libspl_assert_la_CFLAGS)
noinst_LTLIBRARIES += libspl_assert.la libspl.la
@@ -44,4 +44,4 @@ libspl_la_LIBADD = \
libspl_la_LIBADD += $(LIBATOMIC_LIBS) $(LIBCLOCK_GETTIME)
libspl_assert_la_LIBADD = $(BACKTRACE_LIBS)
libspl_assert_la_LIBADD = $(BACKTRACE_LIBS) $(LIBUNWIND_LIBS)