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Changed logic in thread support configuration such that

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--with-threads=no is equivalent to --with-threads=null.  On platforms
that are not supported by QuickThreads, we also use the null-threads.
Thus, USE_THREADS is always defined now.
This commit is contained in:
Marius Vollmer 2002-10-21 12:16:25 +00:00
commit 585356dcbd
1 changed files with 35 additions and 41 deletions
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28
configure.in
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@ -638,14 +638,13 @@ AC_ARG_WITH(threads, [ --with-threads thread interface],
### Turn $with_threads into either the name of a threads package, like
### `qt', or `no', meaning that threads should not be supported.
AC_MSG_CHECKING(whether to support threads)
AC_MSG_CHECKING(what kind of threads to support)
case "$with_threads" in
"yes" | "qt" | "coop" | "")
with_threads=qt
;;
"null" )
;;
"no" )
"no" | "null")
with_threads=null
;;
* )
AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
@ -659,7 +658,7 @@ case "${with_threads}" in
"qt" )
## This configures the QuickThreads package, and sets or clears
## the THREAD_PACKAGE variable if qthreads don't configure
## correctly.
## correctly. In that case, we fall back on null-threads.
QTHREADS_CONFIGURE
;;
"null" )
@ -667,17 +666,13 @@ case "${with_threads}" in
;;
esac
## We always provide the thread API now and thus, USE_THREADS is
## always defined and threads.o is always included.
## If we're using threads, bring in some other parts of Guile which
## work with them.
if test "${THREAD_PACKAGE}" != "" ; then
AC_DEFINE(USE_THREADS, 1, [Define if providing the thread API.])
AC_DEFINE(USE_THREADS, 1, [Define if providing the thread API.])
AC_LIBOBJ([threads])
## Include the Guile thread interface in the library...
AC_LIBOBJ([threads])
## ... and tell it which package to talk to.
case "${THREAD_PACKAGE}" in
case "${THREAD_PACKAGE}" in
"QT" )
AC_DEFINE(USE_COOP_THREADS, 1,
[Define if using cooperative multithreading.])
@ -700,16 +695,15 @@ if test "${THREAD_PACKAGE}" != "" ; then
fi
;;
"null" )
"null" | "" )
AC_DEFINE(USE_NULL_THREADS, 1,
[Define if using one-thread 'multi'threading.])
;;
* )
AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE})
;;
esac
esac
fi
## Cross building
if test "$cross_compiling" = "yes"; then