[Mingw-users] pthreads and g++ inline linkage

[Stephen L. <sld...@so...>]

Hi all,

I ran into this when building pthreads-win32 with gcc 4.2.1-dw2.

I got "undefined reference"s when building libpthreadGCE2.

The functions involved are marked "inline", and I was able to build
with "GCE_CFLAGS += -fkeep-inline-functions".

In C++ inline functions is supposed to have default external linkage.
I am wondering whether I am wrong in my supposition, this is a bug in
pthreads, or a bug in g++?

BTW, should I be worried about the multiple "warning:
dereferencing type-punned pointer will break strict-aliasing rules"
messages?

Stephen

$ make clean GCE
...
g++ -D__CLEANUP_CXX -O3 -finline-functions -mthreads -shared -o
pthreadGCE2.dll attr.o barrier.o cancel.o cleanup.o condvar.o create.o
dll.o errno.o exit.o fork.o global.o misc.o mutex.o nonportable.o
private.o rwlock.o sched.o semaphore.o signal.o spin.o sync.o tsd.o
version.o -lwsock32
misc.o:misc.c:(.text+0x24f): undefined reference to
`_ptw32_mcs_lock_acquire'
misc.o:misc.c:(.text+0x266): undefined reference to
`_ptw32_mcs_lock_release'
...

-- 
Stephen Lee <sld...@so...>