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Added addition pthread checks for Digital UNIX (OSF/1).

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Added comment with order of checks.
This commit is contained in:
Kurt Zeilenga 1999-02-01 23:54:31 +00:00
parent fb0489d922
commit 4160c2029b
2 changed files with 501 additions and 283 deletions
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701
configure vendored
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83
configure.in
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@ -452,9 +452,36 @@ if test $ol_with_threads = auto -o $ol_with_threads = yes \
AC_DEFINE(HAVE_LINUX_THREADS,1)
fi
dnl Now the hard part, how to link
dnl Now the hard part, how to link?
dnl
dnl currently supported checks:
dnl
dnl 0) pthread_create() in $LIBS
dnl
dnl Check special pthread (final) flags
dnl 1) pthread_create() with -kthread (FreeBSD)
dnl 2) pthread_create() with -pthread (FreeBSD)
dnl 3) pthread_create() with -pthreads (OSF/1)
dnl 4) pthread_create() with -thread (?)
dnl
dnl Check pthread (final) libraries
dnl 5) pthread_mutex_lock() in -lpthread -lexc (OSF/1)
dnl 6) pthread_mutex_unlock() in -lpthread -lmach -lexc -lc_r (OSF/1)
dnl 7) pthread_create() in -lpthread (many)
dnl 8) pthread_create() in -lc_r (FreeBSD)
dnl 9) pthread_create() in -lpthreads (many)
dnl 10) pthread_join() -Wl,-woff,85 -lpthreads (IRIX)
dnl 11) pthread_create() in HP-UX -lpthread (HP-UX 11)
dnl
dnl Check pthread (draft4) flags (to be depreciated)
dnl 12) pthread_create() with -threads (OSF/1)
dnl
dnl Check pthread (final) libraries (to be depreciated)
dnl 13) pthread_mutex_lock() in -lpthreads -lexc (OSF/1)
dnl 14) pthread_mutex_unlock() in -lpthreads -lmach -lexc -lc_r (OSF/1)
dnl
dnl Check for pthread support in current $LIBS
dnl pthread_create in $LIBS
AC_CHECK_FUNC(pthread_create,[ol_link_threads=yes])
if test $ol_link_threads = no ; then
@ -551,11 +578,11 @@ if test $ol_with_threads = auto -o $ol_with_threads = yes \
fi
if test $ol_link_threads = no ; then
dnl try DEC Threads -lpthreads -lmach -lexc -lc_r
dnl try DEC Threads -lpthread -lmach -lexc -lc_r
save_LIBS="$LIBS"
AC_CHECK_LIB(pthreads, pthread_mutex_unlock, [
AC_CHECK_LIB(pthread, pthread_mutex_unlock, [
ol_link_threads=posix
LTHREAD_LIBS="$LTHREAD_LIBS -lpthreads -lmach -lexc -lc_r"
LTHREAD_LIBS="$LTHREAD_LIBS -lpthread -lmach -lexc -lc_r"
if test $ol_with_yielding_select = auto ; then
ol_with_yielding_select=yes
fi
@ -632,6 +659,52 @@ if test $ol_with_threads = auto -o $ol_with_threads = yes \
fi
fi
if test $ol_link_threads = no ; then
dnl try -threads
AC_CACHE_CHECK([for pthread_create with -threads],
[ol_cv_thread_flag], [
dnl save the flags
save_LIBS="$LIBS"
LIBS="-threads $LIBS"
AC_TRY_LINK([char pthread();],[
pthread_create();
], ol_cv_thread_flag=yes, ol_cv_thread_flag=no)
dnl restore the LIBS
LIBS="$save_LIBS"
])
if test $ol_cv_thread_flag = yes ; then
LTHREAD_LIBS="$LTHREAD_LIBS -threads"
ol_link_threads=posix
fi
fi
if test $ol_link_threads = no ; then
dnl try DEC Threads -lpthreads -lexc
save_LIBS="$LIBS"
AC_CHECK_LIB(pthreads, pthread_mutex_lock, [
ol_link_threads=posix
LTHREAD_LIBS="$LTHREAD_LIBS -lpthreads -lexc"
if test $ol_with_yielding_select = auto ; then
ol_with_yielding_select=yes
fi
],:,[-lexc])
LIBS="$save_LIBS"
fi
if test $ol_link_threads = no ; then
dnl try DEC Threads -lpthreads -lmach -lexc -lc_r
save_LIBS="$LIBS"
AC_CHECK_LIB(pthreads, pthread_mutex_unlock, [
ol_link_threads=posix
LTHREAD_LIBS="$LTHREAD_LIBS -lpthreads -lmach -lexc -lc_r"
if test $ol_with_yielding_select = auto ; then
ol_with_yielding_select=yes
fi
],:,[-lmach -lexc -lc_r])
LIBS="$save_LIBS"
fi
if test $ol_link_threads != no ; then
AC_DEFINE(HAVE_PTHREADS)