From c1d7e285cc8a81e4f6a92d5935f0d43c5692f1d8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcin=20P=C4=85czkowski?= <dyfeer@gmail.com>
Date: Tue, 18 May 2021 15:44:32 -0700
Subject: [rtaudio] add asio feature (#17617)

---
 ports/rtaudio/portfile.cmake               |  8 +++++++-
 ports/rtaudio/remove-unused-variable.patch | 20 ++++++++++++++++++++
 ports/rtaudio/vcpkg.json                   |  9 +++++++--
 versions/baseline.json                     |  2 +-
 versions/r-/rtaudio.json                   |  5 +++++
 5 files changed, 40 insertions(+), 4 deletions(-)
 create mode 100644 ports/rtaudio/remove-unused-variable.patch

diff --git a/ports/rtaudio/portfile.cmake b/ports/rtaudio/portfile.cmake
index 588fb6b8f..6c0c9c447 100644
--- a/ports/rtaudio/portfile.cmake
+++ b/ports/rtaudio/portfile.cmake
@@ -6,6 +6,7 @@ vcpkg_from_github(
     REF 34a3752e0c8249dc1780d196cd24e745425f0c77
     SHA512 00fea107f409f6dc43154aaf69aeffa1a3385031778b5f7d1ae1cc8337ed4ab92a7917cc9eade848dedd746016b6eff6234088619cb8d6a9a3f26a63efde493e
     HEAD_REF master
+    PATCHES remove-unused-variable.patch
 )
 
 if(VCPKG_CRT_LINKAGE STREQUAL static)
@@ -14,10 +15,15 @@ else()
     set(RTAUDIO_STATIC_MSVCRT OFF)
 endif()
 
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    FEATURES
+        asio  RTAUDIO_API_ASIO
+)
+
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
     PREFER_NINJA
-    OPTIONS -DRTAUDIO_STATIC_MSVCRT=${RTAUDIO_STATIC_MSVCRT}
+    OPTIONS -DRTAUDIO_STATIC_MSVCRT=${RTAUDIO_STATIC_MSVCRT} ${FEATURE_OPTIONS}
 )
 
 vcpkg_install_cmake()
diff --git a/ports/rtaudio/remove-unused-variable.patch b/ports/rtaudio/remove-unused-variable.patch
new file mode 100644
index 000000000..504ddad97
--- /dev/null
+++ b/ports/rtaudio/remove-unused-variable.patch
@@ -0,0 +1,20 @@
+diff --git a/include/asiolist.cpp b/include/asiolist.cpp
+index e4c73c2..333a662 100644
+--- a/include/asiolist.cpp
++++ b/include/asiolist.cpp
+@@ -166,7 +166,6 @@ AsioDriverList::AsioDriverList ()
+ 	LPASIODRVSTRUCT	pdl;
+ 	LONG 			cr;
+ 	DWORD			index = 0;
+-	BOOL			fin = FALSE;
+ 
+ 	numdrv		= 0;
+ 	lpdrvlist	= 0;
+@@ -184,7 +183,6 @@ AsioDriverList::AsioDriverList ()
+ #endif
+ 			lpdrvlist = newDrvStruct (hkEnum,keyname,0,lpdrvlist);
+ 		}
+-		else fin = TRUE;
+ 	}
+ 	if (hkEnum) RegCloseKey(hkEnum);
+ 
diff --git a/ports/rtaudio/vcpkg.json b/ports/rtaudio/vcpkg.json
index 897e01d2c..212d58458 100644
--- a/ports/rtaudio/vcpkg.json
+++ b/ports/rtaudio/vcpkg.json
@@ -1,7 +1,12 @@
 {
   "name": "rtaudio",
-  "version-date": "2021-01-25",
+  "version-date": "2021-04-30",
   "description": "A set of C++ classes that provide a common API for realtime audio input/output across Linux (native ALSA, JACK, PulseAudio and OSS), Macintosh OS X (CoreAudio and JACK), and Windows (DirectSound, ASIO and WASAPI) operating systems.",
   "homepage": "https://github.com/thestk/rtaudio",
-  "supports": "!uwp"
+  "supports": "!uwp",
+  "features": {
+    "asio": {
+      "description": "Build with ASIO backend"
+    }
+  }
 }
diff --git a/versions/baseline.json b/versions/baseline.json
index bc1fa46a7..43b0125e9 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -5413,7 +5413,7 @@
       "port-version": 1
     },
     "rtaudio": {
-      "baseline": "2021-01-25",
+      "baseline": "2021-04-30",
       "port-version": 0
     },
     "rtlsdr": {
diff --git a/versions/r-/rtaudio.json b/versions/r-/rtaudio.json
index 8bf247d12..7881830e6 100644
--- a/versions/r-/rtaudio.json
+++ b/versions/r-/rtaudio.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "59166c851bb292b52492034aa3167e1be5142663",
+      "version-date": "2021-04-30",
+      "port-version": 0
+    },
     {
       "git-tree": "088d877f612f5f77cb47a93b0854491baebb5178",
       "version-date": "2021-01-25",
-- 
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