Description: append CFLAGS in configure.ac instead of overriding it
 This is needed to propagate Debian standard build flags
Author: Étienne Mollier <etienne.mollier@mailoo.org>
Forwarded: no
Last-Update: 2020-11-04
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- trnascan-se.orig/configure.ac
+++ trnascan-se/configure.ac
@@ -21,9 +21,10 @@
 AC_PROG_CC
 
 if test "$enable_debugging" != "no"; then
-  CFLAGS="-g -Wall"
+  AX_APPEND_FLAG([-g], [CFLAGS])
+  AX_APPEND_FLAG([-Wall], [CFLAGS])
 else
-  CFLAGS="-O3"
+  AX_APPEND_FLAG([-O3], [CFLAGS])
 fi
 
 # standard install program