$NetBSD$

From FreeBSD ports 2.5.4

--- wsjtx/CMakeLists.txt.orig	2021-11-03 19:53:01.000000000 -0400
+++ CMakeLists.txt	2021-12-31 07:53:05.900792000 -0500
@@ -867,7 +867,7 @@
 # OpenMP
 #
 find_package (OpenMP)
-
+set (OpenMP_C_FLAGS "-fopenmp")
 #
 # fftw3 single precision library
 #
@@ -884,7 +884,7 @@
 check_type_size (CACHE_ALL HAMLIB_OLD_CACHING)
 check_symbol_exists (rig_set_cache_timeout_ms "hamlib/rig.h" HAVE_HAMLIB_CACHING)
 
-find_package (Usb REQUIRED)
+#find_package (Usb REQUIRED)
 
 #
 # Qt5 setup
@@ -914,7 +914,7 @@
 #
 set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra")
 
-set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Wall -Wextra -fexceptions -frtti")
+set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -fexceptions -frtti")
 
 if (NOT APPLE)
   set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-pragmas")
@@ -1160,7 +1160,7 @@
 target_link_libraries (encode77 wsjt_fort wsjt_cxx)
 
 add_executable (wsprsim ${wsprsim_CSRCS})
-target_link_libraries (wsprsim ${LIBM_LIBRARIES})
+target_link_libraries (wsprsim "-lm")
 
 add_executable (jt4code lib/jt4code.f90)
 target_link_libraries (jt4code wsjt_fort wsjt_cxx)
