--- CMakeLists.txt.orig	2025-07-29 17:36:04 UTC
+++ CMakeLists.txt
@@ -77,7 +77,11 @@ set(WANT_LIBTAR TRUE)
 # CONFIG OPTIONS
 #
 set(WANT_LIBTAR TRUE)
+if (CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
 option(WANT_DEBUG           "Build with debug information" ON)
+else()
+option(WANT_DEBUG           "Build with debug information" OFF)
+endif()
 if(APPLE)
     option(WANT_SHARED      "Build the core library shared." OFF)
     option(WANT_ALSA        "Include ALSA (Advanced Linux Sound Architecture) support" OFF)
@@ -130,10 +134,8 @@ if(WANT_DEBUG)
 include(StatusSupportOptions)
 
 if(WANT_DEBUG)
-    set(CMAKE_BUILD_TYPE Debug)
     set(H2CORE_HAVE_DEBUG TRUE)
 else()
-    set(CMAKE_BUILD_TYPE Release)
     set(H2CORE_HAVE_DEBUG FALSE)
 endif()
 
@@ -172,9 +174,9 @@ if(WANT_DEBUG)
 endif()
 
 if(WANT_DEBUG)
-	set(CMAKE_CXX_FLAGS "$ENV{CMAKE_CXX_FLAGS} -O0")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 else()
-	set(CMAKE_CXX_FLAGS "$ENV{CMAKE_CXX_FLAGS} -O3 -ffast-math")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 endif()
 
 if(WANT_APPIMAGE)
@@ -304,6 +306,8 @@ if("${CMAKE_SYSTEM_NAME}" MATCHES "NetBSD")
 
 if("${CMAKE_SYSTEM_NAME}" MATCHES "NetBSD")
 	find_helper(OSS oss sys/soundcard.h ossaudio )
+elseif("${CMAKE_SYSTEM_NAME}" MATCHES "FreeBSD")
+	find_helper(OSS oss sys/soundcard.h c )
 else()
 	find_helper(OSS oss sys/soundcard.h OSSlib )
 endif()