Add comments in configure.ac

diff --git a/configure.ac b/configure.ac
index 40b080a..5818b18 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,3 +1,4 @@
+# configure.ac -- Process this file with autoconf to produce configure.
 AC_PREREQ(2.52)
 
 AC_INIT([hvgrip], [3.4.0], [hugo@hugovil.com], [hvgrip],
@@ -5,11 +6,17 @@ AC_INIT([hvgrip], [3.4.0], [hugo@hugovil.com], [hvgrip],
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR(src/main.c)
-AM_INIT_AUTOMAKE([no-define check-news -Wall std-options])
+
+dnl -Wno-extra-portability:
+dnl   To get rid of message:
+dnl     linking libraries using a non-POSIX archiver requires 'AM_PROG_AR'...
+dnl -Wall:
+dnl   Ask automake to turn on all warnings (not a gcc flag)
+AM_INIT_AUTOMAKE([no-define check-news std-options dist-bzip2
+                 -Wall -Wno-extra-portability])
 AM_SILENT_RULES([yes])
 AM_GNU_GETTEXT([external])
 AM_GNU_GETTEXT_VERSION([0.18.1])
-
 AM_CONFIG_HEADER(config.h:config.h.in)
 
 AC_ARG_ENABLE(shared_cdpar,