diff options
Diffstat (limited to 'gdb/configure.ac')
| -rw-r--r-- | gdb/configure.ac | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gdb/configure.ac b/gdb/configure.ac index b8c79bc..93f1131 100644 --- a/gdb/configure.ac +++ b/gdb/configure.ac @@ -1291,6 +1291,7 @@ AC_CHECK_HEADERS(term.h, [], [], AC_CHECK_HEADERS([sys/socket.h]) AC_CHECK_HEADERS([ws2tcpip.h]) +AC_CHECK_HEADERS([execinfo.h]) # ------------------------- # # Checks for declarations. # @@ -1682,6 +1683,27 @@ fi AC_SUBST(RDYNAMIC) AC_MSG_RESULT($found) +AC_CACHE_CHECK( + [whether execinfo.h backtrace is available], + gdb_cv_execinfo_backtrace, + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [ + #include <execinfo.h> + ], + [ + int f; + void *b[[2]]; + f = backtrace (b, 2); + backtrace_symbols_fd (b, f, 2); + ])], + [gdb_cv_execinfo_backtrace=yes], + [gdb_cv_execinfo_backtrace=no])]) +if test "$gdb_cv_execinfo_backtrace" = yes; then + AC_DEFINE(HAVE_EXECINFO_BACKTRACE, 1, + [Define to 1 if execinfo.h backtrace functions are available.]) +fi + dnl For certain native configurations, we need to check whether thread dnl support can be built in or not. dnl |