$NetBSD: patch-CMakeLists.txt,v 1.9 2025/11/03 14:46:16 fox Exp $

Only define __LINUX_ALSA__ on Linux.

--- CMakeLists.txt.orig	2025-09-17 18:17:34.000000000 +0000
+++ CMakeLists.txt
@@ -32,10 +32,6 @@ find_package(Threads REQUIRED)
 target_link_libraries(ft2-clone
     PRIVATE m Threads::Threads ${SDL2_LIBRARIES})
 
-target_compile_definitions(ft2-clone
-    PRIVATE HAS_MIDI
-    PRIVATE HAS_LIBFLAC)
-
 if(UNIX)
     if(APPLE)
         find_library(COREAUDIO CoreAudio REQUIRED)
@@ -46,7 +42,7 @@ if(UNIX)
             PRIVATE ${COREAUDIO} ${COREMIDI} ${COREFOUNDATION} ${ICONV})
         target_compile_definitions(ft2-clone
             PRIVATE __MACOSX_CORE__)
-    else()
+    elseif(LINUX)
         # musl systems need musl-fts installed, others have it with glibc
         find_library(FTS fts)
         if (FTS)
@@ -56,6 +52,10 @@ if(UNIX)
             PRIVATE asound)
         target_compile_definitions(ft2-clone
             PRIVATE __LINUX_ALSA__)
+    else()
+        target_compile_definitions(ft2-clone
+            PRIVATE HAS_MIDI
+            PRIVATE HAS_LIBFLAC)	    	    
     endif()
 endif()