diff options
Diffstat (limited to 'unix/tcl.m4')
| -rw-r--r-- | unix/tcl.m4 | 163 |
1 files changed, 55 insertions, 108 deletions
diff --git a/unix/tcl.m4 b/unix/tcl.m4 index 4acbed0..70f3c3d 100644 --- a/unix/tcl.m4 +++ b/unix/tcl.m4 @@ -593,113 +593,6 @@ AC_DEFUN([SC_ENABLE_FRAMEWORK], [ ]) #------------------------------------------------------------------------ -# SC_ENABLE_THREADS -- -# -# Specify if thread support should be enabled -# -# Arguments: -# none -# -# Results: -# -# Adds the following arguments to configure: -# --enable-threads -# -# Sets the following vars: -# THREADS_LIBS Thread library(s) -# -# Defines the following vars: -# TCL_THREADS -# _REENTRANT -# _THREAD_SAFE -#------------------------------------------------------------------------ - -AC_DEFUN([SC_ENABLE_THREADS], [ - AC_ARG_ENABLE(threads, - AC_HELP_STRING([--enable-threads], - [build with threads (default: on)]), - [tcl_ok=$enableval], [tcl_ok=yes]) - - if test "${TCL_THREADS}" = 1; then - tcl_threaded_core=1; - fi - - if test "$tcl_ok" = "yes" -o "${TCL_THREADS}" = 1; then - TCL_THREADS=1 - # USE_THREAD_ALLOC tells us to try the special thread-based - # allocator that significantly reduces lock contention - AC_DEFINE(USE_THREAD_ALLOC, 1, - [Do we want to use the threaded memory allocator?]) - AC_DEFINE(_REENTRANT, 1, [Do we want the reentrant OS API?]) - if test "`uname -s`" = "SunOS" ; then - AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, - [Do we really want to follow the standard? Yes we do!]) - fi - AC_DEFINE(_THREAD_SAFE, 1, [Do we want the thread-safe OS API?]) - AC_CHECK_LIB(pthread,pthread_mutex_init,tcl_ok=yes,tcl_ok=no) - if test "$tcl_ok" = "no"; then - # Check a little harder for __pthread_mutex_init in the same - # library, as some systems hide it there until pthread.h is - # defined. We could alternatively do an AC_TRY_COMPILE with - # pthread.h, but that will work with libpthread really doesn't - # exist, like AIX 4.2. [Bug: 4359] - AC_CHECK_LIB(pthread, __pthread_mutex_init, - tcl_ok=yes, tcl_ok=no) - fi - - if test "$tcl_ok" = "yes"; then - # The space is needed - THREADS_LIBS=" -lpthread" - else - AC_CHECK_LIB(pthreads, pthread_mutex_init, - tcl_ok=yes, tcl_ok=no) - if test "$tcl_ok" = "yes"; then - # The space is needed - THREADS_LIBS=" -lpthreads" - else - AC_CHECK_LIB(c, pthread_mutex_init, - tcl_ok=yes, tcl_ok=no) - if test "$tcl_ok" = "no"; then - AC_CHECK_LIB(c_r, pthread_mutex_init, - tcl_ok=yes, tcl_ok=no) - if test "$tcl_ok" = "yes"; then - # The space is needed - THREADS_LIBS=" -pthread" - else - TCL_THREADS=0 - AC_MSG_WARN([Don't know how to find pthread lib on your system - you must disable thread support or edit the LIBS in the Makefile...]) - fi - fi - fi - fi - - # Does the pthread-implementation provide - # 'pthread_attr_setstacksize' ? - - ac_saved_libs=$LIBS - LIBS="$LIBS $THREADS_LIBS" - AC_CHECK_FUNCS(pthread_attr_setstacksize pthread_atfork) - LIBS=$ac_saved_libs - else - TCL_THREADS=0 - fi - # Do checking message here to not mess up interleaved configure output - AC_MSG_CHECKING([for building with threads]) - if test "${TCL_THREADS}" = 1; then - AC_DEFINE(TCL_THREADS, 1, [Are we building with threads enabled?]) - if test "${tcl_threaded_core}" = 1; then - AC_MSG_RESULT([yes (threaded core)]) - else - AC_MSG_RESULT([yes]) - fi - else - AC_MSG_RESULT([no]) - fi - - AC_SUBST(TCL_THREADS) -]) - -#------------------------------------------------------------------------ # SC_ENABLE_SYMBOLS -- # # Specify if debugging symbols should be used. @@ -2350,13 +2243,21 @@ AC_DEFUN([SC_BUGGY_STRTOD], [ # # Search for the libraries needed to link the Tcl shell. # Things like the math library (-lm) and socket stuff (-lsocket vs. -# -lnsl) are dealt with here. +# -lnsl) or thread library (-lpthread) are dealt with here. # # Arguments: # None. # # Results: # +# Sets the following vars: +# THREADS_LIBS Thread library(s) +# +# Defines the following vars: +# TCL_THREADS +# _REENTRANT +# _THREAD_SAFE +# # Might append to the following vars: # LIBS # MATH_LIBS @@ -2414,6 +2315,52 @@ AC_DEFUN([SC_TCL_LINK_LIBS], [ fi AC_CHECK_FUNC(gethostbyname, , [AC_CHECK_LIB(nsl, gethostbyname, [LIBS="$LIBS -lnsl"])]) + + AC_DEFINE(_REENTRANT, 1, [Do we want the reentrant OS API?]) + AC_DEFINE(_THREAD_SAFE, 1, [Do we want the thread-safe OS API?]) + AC_CHECK_LIB(pthread,pthread_mutex_init,tcl_ok=yes,tcl_ok=no) + if test "$tcl_ok" = "no"; then + # Check a little harder for __pthread_mutex_init in the same + # library, as some systems hide it there until pthread.h is + # defined. We could alternatively do an AC_TRY_COMPILE with + # pthread.h, but that will work with libpthread really doesn't + # exist, like AIX 4.2. [Bug: 4359] + AC_CHECK_LIB(pthread, __pthread_mutex_init, + tcl_ok=yes, tcl_ok=no) + fi + + if test "$tcl_ok" = "yes"; then + # The space is needed + THREADS_LIBS=" -lpthread" + else + AC_CHECK_LIB(pthreads, pthread_mutex_init, + _ok=yes, tcl_ok=no) + if test "$tcl_ok" = "yes"; then + # The space is needed + THREADS_LIBS=" -lpthreads" + else + AC_CHECK_LIB(c, pthread_mutex_init, + tcl_ok=yes, tcl_ok=no) + if test "$tcl_ok" = "no"; then + AC_CHECK_LIB(c_r, pthread_mutex_init, + tcl_ok=yes, tcl_ok=no) + if test "$tcl_ok" = "yes"; then + # The space is needed + THREADS_LIBS=" -pthread" + else + AC_MSG_WARN([Don't know how to find pthread lib on your system - you must edit the LIBS in the Makefile...]) + fi + fi + fi + fi + + # Does the pthread-implementation provide + # 'pthread_attr_setstacksize' ? + + ac_saved_libs=$LIBS + LIBS="$LIBS $THREADS_LIBS" + AC_CHECK_FUNCS(pthread_attr_setstacksize pthread_atfork) + LIBS=$ac_saved_libs ]) #-------------------------------------------------------------------- |