--- src/CMakeLists.txt.orig	2018-03-10 21:01:02 UTC
+++ src/CMakeLists.txt
@@ -40,6 +40,10 @@ message (STATUS "Searching dependent lib
 find_package (NETCDF REQUIRED)
 include_directories (${NETCDF_INCLUDE_DIR})
 
+#libexecinfo is required in *BSD
+find_package(Backtrace REQUIRED)
+list (APPEND GMT_OPTIONAL_LIBRARIES ${Backtrace_LIBRARIES})
+
 # libcurl is required since 5.4
 find_package (CURL REQUIRED)
 include_directories (${CURL_INCLUDE_DIRS})
@@ -560,7 +564,7 @@ endif (HAVE_M_LIBRARY)
 # set the build version (VERSION) and the API version (SOVERSION)
 set_target_properties (gmtlib
 	PROPERTIES
-	OUTPUT_NAME gmt
+	OUTPUT_NAME gmt5
 	PREFIX "${LIB_PREFIX}"
 	IMPORT_PREFIX "${LIB_PREFIX}"
 	VERSION ${GMT_LIB_VERSION}