From 1a21a1aaae9dcdb02b072414c26f4568641f30b0 Mon Sep 17 00:00:00 2001
From: Mike Brady <4265913+mikebrady@users.noreply.github.com>
Date: Tue, 29 Jun 2021 10:23:56 +0100
Subject: [PATCH] Switch to libgcrypt for the pairing library for compatibility
 with Ubuntu on an M1.

---
 Makefile.am  | 2 +-
 configure.ac | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index d0a025e1..2cb27d48 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,7 +1,7 @@
 SUBDIRS = man
 ARFLAGS = cr
 
-lib_pair_ap_a_CFLAGS = -Wall -g -DCONFIG_OPENSSL -pthread
+lib_pair_ap_a_CFLAGS = -Wall -g -DCONFIG_GCRYPT -pthread
 lib_tinyhttp_a_CFLAGS = -pthread
 lib_dbus_interface_a_CFLAGS = -pthread
 lib_mpris_interface_a_CFLAGS = -pthread
diff --git a/configure.ac b/configure.ac
index 4b107b33..a41319f1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -390,6 +390,7 @@ if test "x$with_airplay_2" = "xyes" ; then
       PKG_CHECK_MODULES([libplist], [libplist-2.0 >= 2.0.0],[CFLAGS="${libplist_CFLAGS} ${CFLAGS}" LIBS="${libplist_LIBS} ${LIBS}"],[AC_MSG_ERROR(AirPlay 2 support requires libplist 2.0.0 or later -- search for pkg libplist-2.2.0 or later!)])
   fi
   PKG_CHECK_MODULES([libsodium], [libsodium],[CFLAGS="${libsodium_CFLAGS} ${CFLAGS}" LIBS="${libsodium_LIBS} ${LIBS}"],[AC_MSG_ERROR(AirPlay 2 support requires libsodium -- libsodium-dev suggested)])
+  PKG_CHECK_MODULES([libgcrypt], [libgcrypt],[CFLAGS="${libgcrypt_CFLAGS} ${CFLAGS}" LIBS="${libgcrypt_LIBS} ${LIBS}"],[AC_MSG_ERROR(AirPlay 2 support requires libgcrypt -- libgcrypt-dev suggested)])
 #  AC_CHECK_LIB([sodium], [sodium_init], ,[AC_MSG_ERROR([AirPlay 2 support requires libsodium -- libsodium-dev suggested])])
   AC_CHECK_LIB([avutil],[av_malloc], [], [AC_MSG_ERROR([Airplay 2 support requires libavutil -- libavutil-dev suggested])])
   AC_CHECK_LIB([avcodec],[avcodec_find_encoder], [], [AC_MSG_ERROR([AirPlay 2 support requires libavcodec -- libavcodec-dev suggested])])