From ac8d2815274970750550b9282cf4a8c835a53585 Mon Sep 17 00:00:00 2001
From: Cacodemon345 <wahil1976@outlook.com>
Date: Fri, 27 Aug 2021 21:36:09 +0600
Subject: [PATCH] Linux ALSA MIDI support (Input not working)

---
 src/unix/CMakeLists.txt | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/unix/CMakeLists.txt b/src/unix/CMakeLists.txt
index e3f5b5780..2371124df 100644
--- a/src/unix/CMakeLists.txt
+++ b/src/unix/CMakeLists.txt
@@ -1,5 +1,19 @@
-add_library(plat STATIC unix_thread.c unix_midi.c)
+set(PLAT_SOURCES unix_thread.c)
+if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+    find_package(ALSA)
+    if (ALSA_FOUND)
+        set(PLAT_SOURCES ${PLAT_SOURCES} linux_midi_alsa.c)
+    else()
+        set(PLAT_SOURCES ${PLAT_SOURCES} unix_midi.c)
+    endif()
+else()
+    set(PLAT_SOURCES ${PLAT_SOURCES} unix_midi.c)
+endif()
+add_library(plat STATIC ${PLAT_SOURCES})
 add_library(ui STATIC unix.c unix_sdl.c unix_cdrom.c)
 target_compile_definitions(ui PUBLIC _FILE_OFFSET_BITS=64)
 target_link_libraries(ui dl)
-target_link_libraries(plat pthread)
\ No newline at end of file
+target_link_libraries(plat pthread)
+if (ALSA_FOUND)
+    target_link_libraries(plat ALSA::ALSA)
+endif()
\ No newline at end of file