I am compiling 3.2.0 on Ubuntu 22.04 checking for error_at_line... yes checking for GNU libc compatible malloc... yes ./configure: line 20019: syntax error near unexpected token `LIBUSBX,' ./configure: line 20019: ` PKG_CHECK_MODULES(LIBUSBX, libusb-1.0,' make: *** [Makefile:10: all] Error 2 I have all these libusb installed apt list --installed | grep libusb libusb-0.1-4/jammy,now 2:0.1.12-32build3 amd64 [installed] libusb-1.0-0-dev/jammy-updates,now 2:1.0.25-1ubuntu2 amd64 [installed] libusb-1.0-0/jammy-updates,now 2:1.0.25-1ubuntu2 amd64 [installed] libusb-1.0-doc/jammy-updates,now 2:1.0.25-1ubuntu2 all [installed] libusb-dev/jammy,now 2:0.1.12-32build3 amd64 [installed] libusb-java-doc/jammy,now 0.8+ztex20090101-9build1 all [installed] libusb-java-lib/jammy,now 0.8+ztex20090101-9build1 amd64 [installed] libusb-java/jammy,now 0.8+ztex20090101-9build1 all [installed] libusb-libusb-perl/jammy,now 0.09-2build2 amd64 [installed] libusb-ocaml-dev/jammy,now 1.3.1-4build6 amd64 [installed] libusb-ocaml/jammy,now 1.3.1-4build6 amd64 [installed] libusb3380-0/jammy,now 0.0.1+git20190125.c83d1e9-2 amd64 [installed] libusb3380-dev/jammy,now 0.0.1+git20190125.c83d1e9-2 amd64 [installed] libusbauth-configparser-dev/jammy,now 1.0.3-1 amd64 [installed] libusbauth-configparser1/jammy,now 1.0.3-1 amd64 [installed] libusbguard0/jammy,now 1.1.1+ds-3 amd64 [installed] libusbmuxd-dev/jammy,now 2.0.2-3build2 amd64 [installed] libusbmuxd-tools/jammy,now 2.0.2-3build2 amd64 [installed] libusbmuxd6/jammy,now 2.0.2-3build2 amd64 [installed] libusbredirhost-dev/jammy,now 0.11.0-2build1 amd64 [installed] libusbredirhost1/jammy,now 0.11.0-2build1 amd64 [installed] libusbredirparser-dev/jammy,now 0.11.0-2build1 amd64 [installed] libusbredirparser1/jammy,now 0.11.0-2build1 amd64 [installed] What might I be missing ? jerry -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.digium.com/pipermail/asterisk-users/attachments/20221214/2c7d89cd/attachment.html>