Hi,
I'm looking for a little help building a native extension. I'm getting the
following 'undefined reference' errors when linking on a Linux 64bit platform
(not tried others yet):
Executing: c++ -Wall -Wpointer-arith -Woverloaded-virtual -Werror=return-type
-Wtype-limits -Wempty-body -Wsign-compare -Wno-invalid-offsetof -Wcast-align
-fno-exceptions -fno-strict-aliasing -fno-rtti -ffunction-sections
-fdata-sections -fno-exceptions -std=gnu++0x -pthread -pipe -DDEBUG -D_DEBUG
-DTRACING -g -fno-omit-frame-pointer -fPIC -shared -Wl,-z,defs
-Wl,--gc-sections -Wl,-h,libccnx_prot.so -o libccnx_prot.so
/var/tmp/simon-central/obj-x86_64-linux-gnu/extensions/ccn/tmpMkBkPL.list
-lpthread -Wl,-z,noexecstack -Wl,--build-id
-Wl,-rpath-link,/var/tmp/simon-central/obj-x86_64-linux-gnu/dist/bin
-Wl,-rpath-link,/usr/lib -L/var/tmp/simon-central/obj-x86_64-linux-gnu/dist/bin
-lxul -lmozalloc -L/var/tmp/simon-central/obj-x86_64-linux-gnu/dist/bin
-L/var/tmp/simon-central/obj-x86_64-linux-gnu/dist/lib -lnspr4 -lplc4 -lplds4
-L/var/tmp/simon-central/obj-x86_64-linux-gnu/dist/lib -lnspr4 -lplc4 -lplds4
-lccn -Wl,-Bsymbolic -ldl
/var/tmp/simon-central/obj-x86_64-linux-gnu/extensions/ccn/tmpMkBkPL.list:
INPUT("CcnHandler.o")
CcnHandler.o: In function `nsCString_external::get() const':
/var/tmp/simon-central/obj-x86_64-linux-gnu/extensions/ccn/../../dist/include/nsStringAPI.h:879:
undefined reference to `nsACString::BeginReading() const'
CcnHandler.o: In function `ReentrantMonitor':
/var/tmp/simon-central/obj-x86_64-linux-gnu/extensions/ccn/../../dist/include/mozilla/ReentrantMonitor.h:43:
undefined reference to
`mozilla::BlockingResourceBase::BlockingResourceBase(char const*,
mozilla::BlockingResourceBase::BlockingResourceType)'
CcnHandler.o: In function `~ReentrantMonitor':
/var/tmp/simon-central/obj-x86_64-linux-gnu/extensions/ccn/../../dist/include/mozilla/ReentrantMonitor.h:56:
undefined reference to `mozilla::BlockingResourceBase::~BlockingResourceBase()'
CcnHandler.o: In function `ReentrantMonitorAutoEnter':
/var/tmp/simon-central/obj-x86_64-linux-gnu/extensions/ccn/../../dist/include/mozilla/ReentrantMonitor.h:182:
undefined reference to `mozilla::ReentrantMonitor::Enter()'
CcnHandler.o: In function `~ReentrantMonitorAutoEnter':
/var/tmp/simon-central/obj-x86_64-linux-gnu/extensions/ccn/../../dist/include/mozilla/ReentrantMonitor.h:187:
undefined reference to `mozilla::ReentrantMonitor::Exit()'
CcnHandler.o: In function `nsCreateInstanceByContractID':
/var/tmp/simon-central/obj-x86_64-linux-gnu/extensions/ccn/../../dist/include/nsComponentManagerUtils.h:64:
undefined reference to `vtable for nsCreateInstanceByContractID'
/usr/bin/ld.bfd.real: CcnHandler.o: relocation R_X86_64_PC32 against undefined
hidden symbol `vtable for nsCreateInstanceByContractID' can not be used when
making a shared object
/usr/bin/ld.bfd.real: final link failed: Bad value
collect2: ld returned 1 exit status
make[1]: *** [libccnx_prot.so] Error 1
make[1]: Leaving directory
`/var/tmp/simon-central/obj-x86_64-linux-gnu/extensions/ccn'
make: *** [default] Error 2
My Makefile.in is:
DEPTH = @DEPTH@
topsrcdir = @top_srcdir@
srcdir = @srcdir@
VPATH = @srcdir@
include $(DEPTH)/config/autoconf.mk
XPI_NAME = ccnx
INSTALL_EXTENSION_ID = c...@ccnx.org
DIST_FILES = install.rdf
XPI_PKGNAME = ccnx-$(MOZ_APP_VERSION)
LIBRARY_NAME = ccnx_prot
USE_STATIC_LIBS = 1
IS_COMPONENT = 1
EXTRA_DSO_LDOPTS = \
$(MOZ_COMPONENT_LIBS) \
$(NSPR_LIBS) \
$(XPCOM_LIBS) \
-lccn
include $(topsrcdir)/config/rules.mk
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