[newlib-cygwin] Cygwin: Use aclocal option --system-acdir rather than --acdir

[Jon TURNEY]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=3662877f31bc05ebc8c73fe1ba003fdd0be34058

commit 3662877f31bc05ebc8c73fe1ba003fdd0be34058
Author: Jon Turney <jon.turney@dronecode.org.uk>
Date:   Thu Oct 15 18:47:36 2020 +0100

    Cygwin: Use aclocal option --system-acdir rather than --acdir
    
    In autogen.sh, use 'aclocal --system-acdir' rather than 'aclocal --acdir'.
    
    '--acdir' was deprecated in automake 1.11 and removed in automake 1.13.

Diff:
---
 winsup/cygserver/autogen.sh | 2 +-
 winsup/cygwin/autogen.sh    | 2 +-
 winsup/utils/autogen.sh     | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/winsup/cygserver/autogen.sh b/winsup/cygserver/autogen.sh
index 87a0d9c06..dc2c8b70a 100755
--- a/winsup/cygserver/autogen.sh
+++ b/winsup/cygserver/autogen.sh
@@ -1,4 +1,4 @@
 #!/bin/sh -e
-/usr/bin/aclocal --acdir=..
+/usr/bin/aclocal --system-acdir=..
 /usr/bin/autoconf -f
 exec /bin/rm -rf autom4te.cache
diff --git a/winsup/cygwin/autogen.sh b/winsup/cygwin/autogen.sh
index 87a0d9c06..dc2c8b70a 100755
--- a/winsup/cygwin/autogen.sh
+++ b/winsup/cygwin/autogen.sh
@@ -1,4 +1,4 @@
 #!/bin/sh -e
-/usr/bin/aclocal --acdir=..
+/usr/bin/aclocal --system-acdir=..
 /usr/bin/autoconf -f
 exec /bin/rm -rf autom4te.cache
diff --git a/winsup/utils/autogen.sh b/winsup/utils/autogen.sh
index 87a0d9c06..dc2c8b70a 100755
--- a/winsup/utils/autogen.sh
+++ b/winsup/utils/autogen.sh
@@ -1,4 +1,4 @@
 #!/bin/sh -e
-/usr/bin/aclocal --acdir=..
+/usr/bin/aclocal --system-acdir=..
 /usr/bin/autoconf -f
 exec /bin/rm -rf autom4te.cache