Configuring and building dbus-glib for cross-compile

[Rob Taylor]

You're missing -lglib-2.0, -lgobject-2.0 and -lgthread-2.0.

I would recommend looking at using a system like OpenEmbedded 
(http://oe.org) for cross building, it has a lot of problems you'll hit 
already solved.

Thanks,
Rob

Soh Kam Yung wrote:
> Hello all,
> 
> I have managed to get dbus cross-compiled and running on an ARM
> platform (glib and expat have already been cross-compiled).
> 
> But I am facing some problems building dbus-glib.  It appears to
> compile properly but during the linking stage, I start getting
> "undefined reference" errors like this:
> 
> dbus-binding-tool-glib.o: In function `dbus_g_type_get_marshal_name':
> dbus-binding-tool-glib.c:(.text+0x18): undefined reference to
> `g_type_fundamental'
> dbus-binding-tool-glib.o: In function `dbus_g_type_get_c_name':
> dbus-binding-tool-glib.c:(.text+0x2e8): undefined reference to `g_type_is_a'
> dbus-binding-tool-glib.c:(.text+0x304): undefined reference to `g_strv_get_type'
> dbus-binding-tool-glib.c:(.text+0x314): undefined reference to `g_type_is_a'
> ...
> 
> Here is a portion of the makefile I used to configure and build
> dbus-glib.  Generally, source code resides in /home/ARM/source and
> stuff gets built in /home/ARM/build.  My code is suppose to reside in
> /myroot/ on the ARM platform.
> 
> =====Start=====
> # directory where dbus-glib code will reside on the ARM environment
> installpath := /myroot/dbus-glib
> 
> # directory when stuff gets built
> BUILDHOME := /home/ARM
> 
> srcdir := $(BUILDHOME)/source/dbus-glib/dbus-glib-0.76
> builddir := $(BUILDHOME)/build/dbus-glib
> host := arm-linux
> 
> # expat dependent stuff
> EXPAT_BUILD_PATH := $(BUILDHOME)/build/expat
> EXPAT_LIB_PATH := $(EXPAT_BUILD_PATH)/lib
> EXPAT_INCLUDE_PATH := $(EXPAT_BUILD_PATH)/include
> 
> # dbus dependent stuff
> DBUS_BUILD_PATH := $(BUILDHOME)/build/dbus
> DBUS_LIB_PATH := $(DBUS_BUILD_PATH)/lib
> DBUS_INCLUDES := -I$(DBUS_BUILD_PATH)/include/dbus-1.0
> -I$(DBUS_BUILD_PATH)/lib/dbus-1.0/include
> 
> # glib dependent stuff
> GLIB_BUILD_PATH := $(BUILDHOME)/build/glib
> GLIB_LIB_PATH := $(GLIB_BUILD_PATH)/lib
> GLIB_INCLUDES := -I$(GLIB_BUILD_PATH)/include/glib-2.0
> -I$(GLIB_BUILD_PATH)/lib/glib-2.0/include
> 
> # glib threads dependent stuff
> GLIB_THREADS_BUILD_PATH := $(BUILDHOME)/build/glib
> GLIB_THREADS_LIB_PATH := $(GLIB_THREADS_BUILD_PATH)/lib
> GLIB_THREADS_INCLUDES := -I$(GLIB_BUILD_PATH)/include/glib-2.0
> -I$(GLIB_BUILD_PATH)/lib/glib-2.0/include
> 
> config:
> 	cd $(builddir) && \
> 		$(srcdir)/configure \
> 			--prefix=$(installpath) \
> 			--srcdir=$(srcdir) \
> 			--host=$(host) \
> 			ac_cv_func_posix_getpwnam_r=yes \
> 			ac_cv_have_abstract_sockets=yes \
> 			LDFLAGS=-L$(EXPAT_LIB_PATH) \
> 			CFLAGS=-I$(EXPAT_INCLUDE_PATH) \
> 			DBUS_LIBS=-L$(DBUS_LIB_PATH) \
> 			DBUS_CFLAGS="$(DBUS_INCLUDES)" \
> 			DBUS_GLIB_LIBS=-L$(GLIB_LIB_PATH) \
> 			DBUS_GLIB_CFLAGS="$(GLIB_INCLUDES)" \
> 			DBUS_GLIB_THREADS_LIBS=-L$(GLIB_THREADS_LIB_PATH) \
> 			DBUS_GLIB_THREADS_CFLAGS="$(GLIB_THREADS_INCLUDES)"
> 
> build:
> 	cd $(builddir) && \
> 		make
> 
> ===== End =====
> 
> Am I using the DBUS_xxx variables properly?  If I don't use them, I
> start getting errors with pkg-config.
> 
> Regards,
> Kam-Yung