Hi,
I am trying to get a program to compile on freebsd-11.1. It compiles
just fine using ubuntu-16.04 but there is a problem with linking
libserialport with freebsd. Below are the configure.ac and Makefile.am
I am using. The linker error follows. Can anyone help?
linker error:
/usr/local/lib/libserialport.so: undefined reference to `libusb20_dev_close'
/usr/local/lib/libserialport.so: undefined reference to `libusb20_be_free'
/usr/local/lib/libserialport.so: undefined reference to
`libusb20_dev_kernel_driver_active'
/usr/local/lib/libserialport.so: undefined reference to
`libusb20_dev_req_string_simple_sync'
/usr/local/lib/libserialport.so: undefined reference to
`libusb20_dev_get_address'
/usr/local/lib/libserialport.so: undefined reference to
`libusb20_dev_get_iface_desc'
/usr/local/lib/libserialport.so: undefined reference to
`libusb20_be_device_foreach'
/usr/local/lib/libserialport.so: undefined reference to
`libusb20_dev_get_bus_number'
/usr/local/lib/libserialport.so: undefined reference to
`libusb20_be_alloc_default'
/usr/local/lib/libserialport.so: undefined reference to
`libusb20_dev_get_desc'
/usr/local/lib/libserialport.so: undefined reference to
`libusb20_dev_get_device_desc'
/usr/local/lib/libserialport.so: undefined reference to `libusb20_dev_open'
c++: error: linker command failed with exit code 1 (use -v to see
invocation)
*** Error code 1
Stop.
Makefile.am:
gardendir = /home/blm/garden/src
garden_DATA = ../data/state_table
AUTOMAKE_OPTIONS = subdir-objects
ACLOCAL_AMFLAGS = ${ACLOCAL_FLAGS}
cc=c++
bin_PROGRAMS = garden
garden_SOURCES = main.cpp garden.cpp
garden_CPPFLAGS = $(GTKMM_CFLAGS)
garden_CPPFLAGS += -std=c++11
garden_LDFLAGS = $(GTKMM_LIBS)
garden_CXXFLAGS = $(DEPS_CFLAGS)
garden_LDADD = $(DEPS_LIBS)
configure.ac:
AC_PREREQ([2.69])
AC_INIT([FULL-PACKAGE-NAME],[VERSION],[BUG-REPORT-ADDRESS])
AM_INIT_AUTOMAKE
PKG_CHECK_MODULES([DEPS], [gtkmm-3.0 >= 3.0.0])
PKG_CHECK_MODULES([DEPS], [libserialport-0.1.0 >= 0.1.0])
AC_CONFIG_SRCDIR([src/garden.cpp])
AC_CONFIG_HEADERS([config.h])
# Checks for programs.
AC_PROG_CXX
AC_PROG_CC
# Checks for libraries.
AC_ARG_WITH([libserialport-include-path],
[AS_HELP_STRING([--with-libserialport-include-path],
[location of the libserialport headers, defaults to
/usr/local/include])],
[A_CFLAGS="-I$withval"],
[A_CFLAGS='-I/usr/local/include'])
AC_SUBST([A_CFLAGS])
AC_ARG_WITH([libserialport-lib-path],
[AS_HELP_STRING([--with-libserialport-lib-path], [location of
the libserialport libraries])],
[LIBS="-L/usr/local/lib"],
[LIBS='-lserialport'])
AC_SUBST([LIBS])
# Checks for header files.
AC_CHECK_HEADERS([unistd.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
# Checks for library functions.
AC_CONFIG_FILES([Makefile
src/Makefile])
AC_OUTPUT
Thanks for any help
Bruce Meier
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