[gambit-list] OSX and --enable-multiple-vms

Adam King akingcoder at gmail.com
Thu Oct 16 11:54:59 EDT 2014


I'd like to try out the multiple vm option as I want to have 2 separate OS
threads, each running their own copy of gambit - neither of which need to
communicate with the other, so I tried to rebuild Gambit using the
--enable-multiple-vms option (this is under OS X 10.10 - Yosemite with
Xcode6 - 6A313):

quorra:gambit aking$ ./configure --enable-multiple-vms --enable-cplusplus

It ends up showing the following warning:

checking for struct stat64... yes
checking for posix threads with CFLAGS=' ' and LIBS=' '... no
checking for posix threads with CFLAGS=' -mt' and LIBS=' '... no
checking for posix threads with CFLAGS=' -pthread' and LIBS=' '... no
checking for posix threads with CFLAGS=' ' and LIBS=' -lpthread'... no
checking for win32 threads... no
configure:
*********************************************************************
***                                                               ***
*** A thread system is required for this configuration but none   ***
*** of the supported thread systems (posix threads and win32      ***
*** threads) are available on this platform. The configuration    ***
*** will proceed as though --disable-thread-system,               ***
*** --disable-multiple-vms, and --disable-multiple-threaded-vms   ***
*** were specified.                                               ***
***                                                               ***
*********************************************************************

Checking config.log, I see:

configure:8106: checking for posix threads with CFLAGS=' ' and LIBS='
-lpthread'
configure:8133: g++ -o conftest    conftest.cpp  -lpthread >&5
conftest.cpp:136:14: error: no matching function for call to 'pthread_join'
             pthread_join (&thread, NULL);
             ^~~~~~~~~~~~
/usr/include/pthread.h:336:5: note: candidate function not viable: no known
conversion from 'pthread_t *' (aka '_opaque_pthread_t **') to 'pthread_t'
(aka '_opaque_pthread_t *') for 1st argument; remove &
int pthread_join(pthread_t , void **) __DARWIN_ALIAS_C(pthread_join);
    ^
1 error generated.
configure:8133: $? = 1

I *know* I have pthreads installed and working as I have 3 different apps
all using pthreads on this system.  Not sure what's going wrong here -
pthread's API change?

  Adam
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