[PATCH] FreeBSD configure check for backtrace_symbols

On FreeBSD backtrace_symbols is defined in libexecinfo.so.1.  Look for it
there as well.

diff --git a/source/configure.in b/source/configure.in
index 733c31e975a5530308327cec63f93c0b7fa45431..32d21b7907897a4ff6ac9d91f462451f0f12af38 100644 (file)
--- a/source/configure.in
+++ b/source/configure.in
@@ -1053,6 +1053,8 @@ AC_CHECK_FUNCS(setbuffer shmget shm_open)
 
 # Find a method of generating a stack trace
 AC_CHECK_HEADERS(execinfo.h libexc.h libunwind.h)
+# libexecinfo provides backtrace_symbols on FreeBSD
+AC_SEARCH_LIBS(backtrace_symbols, [execinfo])
 AC_CHECK_FUNCS(backtrace_symbols)
 AC_CHECK_LIB(exc, trace_back_stack)