--- CMakeLists.txt.orig	2023-03-31 14:32:25 UTC
+++ CMakeLists.txt
@@ -206,9 +206,9 @@ CHECK_INCLUDE_FILES(sys/stat.h HAVE_SYS_STAT_H)
 CHECK_INCLUDE_FILES(libtar.h HAVE_LIBTAR_H)
 CHECK_INCLUDE_FILES(execinfo.h HAVE_EXECINFO_H)
 FIND_PACKAGE(Backtrace)
-CHECK_LIBRARY_EXISTS(tar tar_open "" HAVE_LIBTAR_OPEN)
-CHECK_LIBRARY_EXISTS(tar tar_close "" HAVE_LIBTAR_CLOSE)
-CHECK_LIBRARY_EXISTS(tar tar_extract_all "" HAVE_LIBTAR_EXTRACT_ALL)
+CHECK_LIBRARY_EXISTS(/usr/local/lib/libtar.so tar_open "" HAVE_LIBTAR_OPEN)
+CHECK_LIBRARY_EXISTS(/usr/local/lib/libtar.so tar_close "" HAVE_LIBTAR_CLOSE)
+CHECK_LIBRARY_EXISTS(/usr/local/lib/libtar.so tar_extract_all "" HAVE_LIBTAR_EXTRACT_ALL)
 IF(HAVE_LIBTAR_H AND HAVE_LIBTAR_OPEN AND HAVE_LIBTAR_CLOSE AND HAVE_LIBTAR_EXTRACT_ALL)
     SET(LIBTAR_OK TRUE)
 ELSE()
@@ -222,6 +222,11 @@ ENDIF()
 FIND_HELPER(LIBARCHIVE libarchive archive.h archive)
 IF( WANT_LIBARCHIVE AND LIBARCHIVE_FOUND)
     SET(WANT_LIBTAR FALSE)
+    SET(LIBTAR_LIBRARIES "")
+    SET(LIBTAR_INCLUDE_DIRS "")
+ELSE()
+    SET(LIBARCHIVE_LIBRARIES "")
+    SET(LIBARCHIVE_INCLUDE_DIRS "")
 ENDIF()
 FIND_HELPER(LIBSNDFILE sndfile sndfile.h sndfile)
 FIND_HELPER(ALSA alsa alsa/asoundlib.h asound )
@@ -231,6 +236,8 @@ FIND_HELPER(OSC liblo lo/lo.h lo)
 
 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()