From: Jan Maria Matejka <mq@ucw.cz>
Date: Fri, 14 Dec 2018 14:50:44 +0000 (+0100)
Subject: Debug: support for -gdwarf-4 is not available everywhere
X-Git-Tag: v2.0.3~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=78131eee64aeaf14cf418d6e5bf3f17ca602afb7;p=thirdparty%2Fbird.git

Debug: support for -gdwarf-4 is not available everywhere
---

diff --git a/configure.ac b/configure.ac
index ae2710f54..4dda60cb3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -343,7 +343,10 @@ fi
 if test "$enable_debug" = yes ; then
   AC_DEFINE([DEBUGGING], [1], [Define to 1 if debugging is enabled])
   LDFLAGS="$LDFLAGS -rdynamic"
-  CFLAGS="$CFLAGS -O0 -ggdb -g3 -gdwarf-4"
+  CFLAGS="$CFLAGS -O0 -ggdb -g3"
+
+  BIRD_CHECK_GCC_OPTION([bird_cv_c_option_dwarf4], [-gdwarf-4], [])
+  BIRD_ADD_GCC_OPTION([bird_cv_c_option_dwarf4], [-gdwarf-4])
 
   AC_CHECK_HEADER([execinfo.h],
     [