--- wsjtx/CMakeLists.txt.orig	2019-02-24 22:48:37.000000000 -0500
+++ wsjtx/CMakeLists.txt	2019-03-01 08:30:47.282749000 -0500
@@ -1,5 +1,4 @@
 cmake_minimum_required (VERSION 2.8.10 FATAL_ERROR)
-
 if (APPLE)
   #
   # The following variables define the portability and compatability attributes of the Mac OS X build
@@ -132,7 +131,13 @@
   set (is_debug_build 1)
 endif ()
 
+if (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+  set (FREEBSD TRUE)
+  link_directories("/usr/lib" "${LOCALBASE}/lib")
+  include_directories("/usr/include" "${LOCALBASE}/include")
+endif()
 
+
 #
 # Options & features
 #
@@ -834,8 +839,20 @@
 #
 # OpenMP
 #
-find_package (OpenMP)
+#    OpenMP_C_FLAGS - flags to add to the C compiler for OpenMP support
+#    OpenMP_CXX_FLAGS - flags to add to the CXX compiler for OpenMP support
+#    OpenMP_Fortran_FLAGS - flags to add to the Fortran compiler for OpenMP support
+#    OPENMP_FOUND - true if openmp is detected
 
+if (FREEBSD)
+  set (OpenMP_C_FLAGS "-openmp")
+  set (OpenMP_CXX_FLAGS "-openmp")
+  set (OpenMP_Fortran_FLAGS "-openmp")
+  set (OPENMP_FOUND TRUE)
+else()
+  find_package (OpenMP)
+endif()
+
 #
 # fftw3 single precision library
 #
@@ -1258,6 +1275,13 @@
 target_link_libraries (msk144sim wsjt_fort wsjt_cxx)
 
 endif(WSJT_BUILD_UTILS)
+
+if(FREEBSD)
+   set (extraLIBS "ltdl" "usb")
+ else()
+   set (extraLIBS "")
+endif()
+  
 
 # build the main application
 add_executable (wsjtx MACOSX_BUNDLE
--- /dev/null	2019-03-02 11:25:56.795397000 -0500
--- /dev/null	2019-03-02 11:44:18.831676000 -0500
+++ wsjtx/clogf.c	2019-03-02 11:43:18.833490000 -0500
@@ -0,0 +1,100 @@
+#include <sys/param.h>
+#if __FreeBSD_version <= 1200000
+
+/* $NetBSD: clogf.c,v 1.1 2007/08/20 16:01:35 drochner Exp $ */
+
+/*-
+ * Copyright (c) 2007 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software written by Stephen L. Moshier.
+ * It is redistributed by the NetBSD Foundation by permission of the author.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <complex.h>
+#include <math.h>
+
+float complex
+clogf(float complex z)
+{
+	float complex w;
+	float p, rr;
+
+	rr = cabsf(z);
+	p = logf(rr);
+	rr = atan2f(cimagf(z), crealf(z));
+	w = p + rr * I;
+	return w;
+}
+#endif
+#include <sys/param.h>
+#if __FreeBSD_version <= 1200000
+
+/* $NetBSD: clogf.c,v 1.1 2007/08/20 16:01:35 drochner Exp $ */
+
+/*-
+ * Copyright (c) 2007 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software written by Stephen L. Moshier.
+ * It is redistributed by the NetBSD Foundation by permission of the author.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <complex.h>
+#include <math.h>
+
+float complex
+clogf(float complex z)
+{
+	float complex w;
+	float p, rr;
+
+	rr = cabsf(z);
+	p = logf(rr);
+	rr = atan2f(cimagf(z), crealf(z));
+	w = p + rr * I;
+	return w;
+}
+#endif