--- configure.ac.orig	2021-11-18 02:08:39 UTC
+++ configure.ac
@@ -89,7 +89,6 @@ if test "$debug" = "yes"; then
 else
   AC_SUBST( debug, [no] )
   AC_SUBST( cppflag, [] )
-  AC_SUBST( cxxflag, [-O3] )
   AC_SUBST( object_path, [Release] )
 fi
 AC_MSG_RESULT($debug)
@@ -104,7 +103,7 @@ fi
 CPPFLAGS="$CPPFLAGS $cppflag"
 
 # For debugging and optimization ... overwrite default because it has both -g and -O2
-CXXFLAGS="$cxxflag"
+CXXFLAGS="$CXXFLAGS $cxxflag"
 
 # Check compiler and use -Wall if gnu.
 if [test $GXX = "yes" ;] then
@@ -154,27 +153,27 @@ api="$api -D__UNIX_JACK__"
       AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))])
     ;;
 
-    *-*-linux*)
+    *-*-linux*|*-*-freebsd*)
     # Look for ALSA flag
-    AC_ARG_WITH(alsa, [  --with-alsa = choose native ALSA API support (linux only)])
-    AS_IF([test "x$with_alsa" == "xyes"], [
-    api="$api -D__LINUX_ALSA__"
-    AC_MSG_RESULT(using ALSA)
-    AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(ALSA support requires the asound library!))])
+    #AC_ARG_WITH(alsa, [  --with-alsa = choose native ALSA API support (linux only)])
+    #AS_IF([test "x$with_alsa" == "xyes"], [
+    #api="$api -D__LINUX_ALSA__"
+    #AC_MSG_RESULT(using ALSA)
+    #AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(ALSA support requires the asound library!))])
 
     # Look for OSS flag
     AC_ARG_WITH(oss, [  --with-oss = choose OSS API support (unixes only)])
     AS_IF([test "x$with_oss" == "xyes"], [
-    api="$api -D__LINUX_OSS__ -D__LINUX_ALSA__"
+    api="$api -D__LINUX_OSS__"
     AC_MSG_RESULT(using OSS)
-    AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(OSS support requires ALSA for RtMidi!))])
+    #AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(OSS support requires ALSA for RtMidi!))])
 
     # If no audio api flags specified, use ALSA
-    AS_IF([test "$api" == ""], [
-      AC_MSG_RESULT(using ALSA)
-      AC_SUBST( api, [-D__LINUX_ALSA__] )
-      AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(ALSA support requires the asound library!))
-    ])
+    #AS_IF([test "$api" == ""], [
+    #  AC_MSG_RESULT(using ALSA)
+    #  AC_SUBST( api, [-D__LINUX_ALSA__] )
+    #  AC_CHECK_LIB(asound, snd_pcm_open, , AC_MSG_ERROR(ALSA support requires the asound library!))
+    #])
 
     AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtAudio requires the pthread library!))
     ;;