uhubctl build error: expected declaration specifiers or ‘...’ before numeric constant

[barracuda156]

Build fails on 10.6 with either compiler.

--->  Building uhubctl
Executing:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_uhubctl/uhubctl/work/uhubctl-2.5.0" && /usr/bin/make -j6 -w uhubctl prefix=/opt/local CC="/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_uhubctl/uhubctl/work/compwrap/cc/usr/bin/gcc-4.2" CXX="/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_uhubctl/uhubctl/work/compwrap/cxx/usr/bin/g++-4.2" OBJC="/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_uhubctl/uhubctl/work/compwrap/objc/usr/bin/gcc-4.2" OBJCXX="/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_uhubctl/uhubctl/work/compwrap/objcxx/usr/bin/g++-4.2" INSTALL="/usr/bin/install -c" 
fatal: not a git repository (or any of the parent directories): .git
make: Entering directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_uhubctl/uhubctl/work/uhubctl-2.5.0'
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_uhubctl/uhubctl/work/compwrap/cc/usr/bin/gcc-4.2 -I/opt/local/include -Os -arch ppc -Wall -Wextra -std=c99 -pedantic -DPROGRAM_VERSION=\"2.5.0\" -I/opt/local/include/libusb-1.0 uhubctl.c -o uhubctl -L/opt/local/lib -Wl,-headerpad_max_install_names -arch ppc -L/opt/local/lib -lusb-1.0
uhubctl.c:39: error: expected declaration specifiers or ‘...’ before numeric constant
uhubctl.c:39: error: expected declaration specifiers or ‘...’ before ‘__builtin_object_size’
uhubctl.c:39: warning: conflicting types for built-in function ‘__builtin___snprintf_chk’
uhubctl.c: In function ‘get_hub_info’:
uhubctl.c:427: warning: too many arguments for format
uhubctl.c:436: warning: too many arguments for format
uhubctl.c:441: warning: too many arguments for format
uhubctl.c: In function ‘get_device_description’:
uhubctl.c:698: warning: too many arguments for format
uhubctl.c:704: warning: too many arguments for format
uhubctl.c: In function ‘main’:
uhubctl.c:1049: warning: too many arguments for format
uhubctl.c:1055: warning: too many arguments for format
uhubctl.c:1058: warning: too many arguments for format
make: *** [uhubctl] Error 1

Upstream issue: ​https://github.com/mvp/uhubctl/issues/586