--- hamlib/configure.orig	2022-01-02 11:10:19.000000000 +0100
+++ hamlib/configure	2022-04-13 12:51:01.174492000 +0200
@@ -19135,7 +19135,7 @@
 case "$host_os" in #(
   freebsd*) :
 
-	AM_CPPFLAGS="-I/usr/local/include ${AM_CPPFLAGS}"
+	AM_CPPFLAGS="${AM_CPPFLAGS} -I/usr/local/include"
 	AM_LDFLAGS="${AM_LDFLAGS} -L/usr/local/lib"
 	 ;; #(
   darwin* | rhapsody*) :
@@ -19211,6 +19211,7 @@
 fi
 
 
+LIBUSB_LIBS="-lusb"
 LIBUSB=""
 
 
--- hamlib/hamlib.pc.in.orig	2022-01-02 11:10:11.000000000 +0100
+++ hamlib/hamlib.pc.in	2022-04-13 12:34:36.119285000 +0200
@@ -7,7 +7,6 @@
 Description: Library to control radio and rotator equipment.
 URL: @PACKAGE_URL@
 Version: @PACKAGE_VERSION@
-Requires.private: @LIBUSB@
 Cflags: -I${includedir} @PTHREAD_CFLAGS@
-Libs: -L${libdir} -lhamlib
-Libs.private: @MATH_LIBS@ @DL_LIBS@ @NET_LIBS@ @PTHREAD_LIBS@
+Libs: -L${libdir} ${libdir}/libhamlib.a
+Libs.private: @MATH_LIBS@ @DL_LIBS@ @NET_LIBS@ @PTHREAD_LIBS@ -lusb
--- hamlib/tests/rigtestlibusb.c.orig	2022-01-02 11:10:11.000000000 +0100
+++ hamlib/tests/rigtestlibusb.c	2022-04-13 12:34:36.119728000 +0200
@@ -115,7 +115,10 @@
     printf("      wSpeedSupported:       %u\n", ss_usb_cap->wSpeedSupported);
     printf("      bFunctionalitySupport: %u\n", ss_usb_cap->bFunctionalitySupport);
     printf("      bU1devExitLat:         %u\n", ss_usb_cap->bU1DevExitLat);
-    printf("      bU2devExitLat:         %u\n", ss_usb_cap->bU2DevExitLat);
+/*
+ * does not exist on FreeBSD libusb.h yet
+ *    printf("      bU2devExitLat:         %u\n", ss_usb_cap->bU2DevExitLat);
+ */
 }
 
 static void print_bos(libusb_device_handle *handle)
@@ -133,6 +136,7 @@
 
     printf("  Binary Object Store (BOS):\n");
     printf("    wTotalLength:            %u\n", bos->wTotalLength);
+#if 0
     printf("    bNumDeviceCaps:          %u\n", bos->bNumDeviceCaps);
 
     for (i = 0; i < bos->bNumDeviceCaps; i++)
@@ -170,7 +174,7 @@
             libusb_free_ss_usb_device_capability_descriptor(ss_dev_cap);
         }
     }
-
+#endif
     libusb_free_bos_descriptor(bos);
 }