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Port HAVE_PTHREAD configuration to MirBSD 10 (Bug#10201).

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* configure.in (HAVE_PTHREAD): Check for pthread_atforkif linking
to gmalloc.c.  This should prevent a MirBSD 10 build failure reported
by Nelson H. F. Beebe in
<http://lists.gnu.org/archive/html/emacs-devel/2011-12/msg00065.html>.
This commit is contained in:
Paul Eggert 2011-12-16 16:51:40 -08:00
parent f3b316df61
commit adee8a65c4
2 changed files with 17 additions and 1 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2011-12-17 Paul Eggert <eggert@cs.ucla.edu>
Port HAVE_PTHREAD configuration to MirBSD 10 (Bug#10201).
* configure.in (HAVE_PTHREAD): Check for pthread_atfork if linking
to gmalloc.c. This should prevent a MirBSD 10 build failure reported
by Nelson H. F. Beebe in
<http://lists.gnu.org/archive/html/emacs-devel/2011-12/msg00065.html>.
2011-12-10 Juanma Barranquero <lekktu@gmail.com>
* update-subdirs: Don't set no-byte-compile twice (bug#10260).

10
configure.in
View File

@ -1720,7 +1720,15 @@ dnl Check if pthreads is available.
LIB_PTHREAD=
AC_CHECK_HEADERS(pthread.h)
if test "$ac_cv_header_pthread_h"; then
AC_CHECK_LIB(pthread, pthread_self, HAVE_PTHREAD=yes)
dnl gmalloc.c uses pthread_atfork, which is not available on older-style
dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
dnl testing for pthread_self if Emacs uses gmalloc.c.
if test "$GMALLOC_OBJ" = gmalloc.o; then
emacs_pthread_function=pthread_atfork
else
emacs_pthread_function=pthread_self
fi
AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
fi
if test "$HAVE_PTHREAD" = yes; then
case "${canonical}" in