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Merge commit '2e77f7202b' into boehm-demers-weiser-gc

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Conflicts:
	libguile/threads.c
This commit is contained in:
Ludovic Courtès 2008-09-10 22:51:46 +02:00
commit e0513d4d77
20 changed files with 1120 additions and 55 deletions
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26
configure.in
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@ -1102,6 +1102,7 @@ AC_ARG_WITH(threads, [ --with-threads thread interface],
, with_threads=yes)
AC_SUBST(SCM_I_GSC_NEED_BRACES_ON_PTHREAD_ONCE_INIT, 0)
AC_SUBST(SCM_I_GSC_NEED_BRACES_ON_PTHREAD_MUTEX_INITIALIZER, 0)
case "$with_threads" in
"yes" | "pthread" | "pthreads" | "pthread-threads" | "")
@ -1125,23 +1126,42 @@ case "$with_threads" in
# On past versions of Solaris, believe 8 through 10 at least, you
# had to write "pthread_once_t foo = { PTHREAD_ONCE_INIT };".
# This is contrary to posix:
# This is contrary to POSIX:
# http://www.opengroup.org/onlinepubs/000095399/functions/pthread_once.html
# Check here if this style is required.
#
# glibc (2.3.6 at least) works both with or without braces, so the
# test checks whether it works without.
#
if test "$GCC" = "yes"; then
# Since GCC only issues a warning for missing braces, so we need
# `-Werror' to catch it.
CFLAGS="-Werror -Wmissing-braces $CFLAGS"
fi
AC_CACHE_CHECK([whether PTHREAD_ONCE_INIT needs braces],
guile_cv_need_braces_on_pthread_once_init,
[AC_TRY_COMPILE([#include <pthread.h>],
[pthread_once_t foo = PTHREAD_ONCE_INIT;],
[AC_COMPILE_IFELSE([#include <pthread.h>
pthread_once_t foo = PTHREAD_ONCE_INIT;],
[guile_cv_need_braces_on_pthread_once_init=no],
[guile_cv_need_braces_on_pthread_once_init=yes])])
if test "$guile_cv_need_braces_on_pthread_once_init" = yes; then
SCM_I_GSC_NEED_BRACES_ON_PTHREAD_ONCE_INIT=1
fi
# Same problem with `PTHREAD_MUTEX_INITIALIZER', e.g., on IRIX
# 6.5.30m with GCC 3.3.
AC_CACHE_CHECK([whether PTHREAD_MUTEX_INITIALIZER needs braces],
guile_cv_need_braces_on_pthread_mutex_initializer,
[AC_COMPILE_IFELSE([#include <pthread.h>
pthread_mutex_t foo = PTHREAD_MUTEX_INITIALIZER;],
[guile_cv_need_braces_on_pthread_mutex_initializer=no],
[guile_cv_need_braces_on_pthread_mutex_initializer=yes])])
if test "$guile_cv_need_braces_on_pthread_mutex_initializer" = yes; then
SCM_I_GSC_NEED_BRACES_ON_PTHREAD_MUTEX_INITIALIZER=1
fi
CFLAGS="$old_CFLAGS"
# On Solaris, sched_yield lives in -lrt.