At 01:32 PM 10/28/2007, Bastiaan Jacques wrote:
- *mingw*)
+ *mingw* | *cygwin*)
pthread_flags="-mthreads"
This works insofar as it goes. It does get rid of the annoying -Kthread
"unknown option" messages. Thanks, and committed.
There are other problems, however. The problem is with the following lines
in pthreads.m4:
for i in $libslist; do
if test -f $i/libpthread.a -o -f $i/libpthread.${shlibext} -o -f
$i/libpthread.dylib; then
pthreads=yes
Cygwin has /usr/lib/libpthread.a (that's on the cygwin file system), but
it's not a MinGW library, it's the cygwin one. MinGW does not come with
pthreads by default and I haven't installed it. What does seem clear is
that $libslist is a likely culprit, rather than anything particularly
specific in pthreads.m4. I don't know enough about the libraries and their
layout to know what the right and good solution is.
The larger issue is that in an ideal world the whole pthreads test could be
skipped entirely in this instance. I understand from Rob that it's there
to ensure that the Boost Thread library links correctly, as it uses
pthreads on *x platforms for its implementation there, but not for all
platforms. From what I can tell at this moment, Boost.Thread on MinGW uses
native Win32 threads *instead* of pthreads (as does MSVC), but I'm working
with inadequate documentation. All gnash dependencies on pthreads were
replaced with Boost threads a few months ago, so pthreads has become a
conditional dependency in the interim.
Eric
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