From 5850696ac0f4ffe6d35e2a8f5803f2f32581b7ce Mon Sep 17 00:00:00 2001
From: Mike Brady <4265913+mikebrady@users.noreply.github.com>
Date: Tue, 29 Jun 2021 10:55:21 +0100
Subject: [PATCH] Switch over to AC_CHECK_LIB from PKG_CHECK_MODULES for
 checking for libgcrypt.

---
 configure.ac | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index a41319f1..541ec999 100644
--- a/configure.ac
+++ b/configure.ac
@@ -390,7 +390,8 @@ 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} ${LIBS}"],[AC_MSG_ERROR(AirPlay 2 support requires libgcrypt -- libgcrypt-dev suggested)])
+  AC_CHECK_LIB([gcrypt], [gcry_control], [], [AC_MSG_ERROR([Airplay 2 support requires libgcrypt -- libgcrypt-dev suggested])])
+#  PKG_CHECK_MODULES([libgcrypt], [libgcrypt],[CFLAGS="${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])])