mirror of
https://gitlab.gnome.org/GNOME/glib.git
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Drop a lot of dead configury for threads
Much of this became obsolete by the recent rewrite of our threading support.
This commit is contained in:
Matthias Clasen
parent
8cea99741b
commit
a176008826
179
configure.ac
179
configure.ac
@ -283,7 +283,6 @@ if test "x$enable_debug" = "xyes"; then
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*) CFLAGS="$CFLAGS -g" ;;
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esac
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fi
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GLIB_DEBUG_FLAGS="-DG_ENABLE_DEBUG"
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else
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GLIB_DEBUG_FLAGS="-DG_DISABLE_CAST_CHECKS"
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@ -1864,18 +1863,13 @@ dnl ***********************
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AC_ARG_WITH(threads,
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[AC_HELP_STRING([--with-threads=@<:@posix/win32@:>@],
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[specify a thread implementation to use])],
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[if test "x$with_threads" = x; then
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want_threads=yes
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else
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want_threads=$with_threads
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fi],
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[want_threads=yes])
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[],
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[with_threads=yes])
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dnl error and warning message
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dnl *************************
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THREAD_NO_IMPLEMENTATION="You do not have any known thread system on your
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computer."
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THREAD_NO_IMPLEMENTATION="No thread implementation found."
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FLAG_DOES_NOT_WORK="I can't find the MACRO to enable thread safety on your
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platform (normally it's "_REENTRANT"). I'll not use any flag on
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@ -1883,10 +1877,10 @@ FLAG_DOES_NOT_WORK="I can't find the MACRO to enable thread safety on your
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Please provide information on how it is done on your system."
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LIBS_NOT_FOUND_1="I can't find the libraries for the thread implementation
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"
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"
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LIBS_NOT_FOUND_2=". Please choose another thread implementation or
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provide information on your thread implementation."
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provide information on your thread implementation."
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FUNC_NO_GETPWUID_R="the 'g_get_(user_name|real_name|home_dir|tmp_dir)'
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functions will not be MT-safe during their first call because
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@ -1895,16 +1889,6 @@ FUNC_NO_GETPWUID_R="the 'g_get_(user_name|real_name|home_dir|tmp_dir)'
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FUNC_NO_LOCALTIME_R="the 'g_date_set_time' function will not be MT-safe
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because there is no 'localtime_r' on your system."
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POSIX_NO_YIELD="I can not find a yield functions for your platform. A rather
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crude surrogate will be used. If you happen to know a
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yield function for your system, please inform the GLib
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developers."
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POSIX_NO_PRIORITIES="I can not find the minimal and maximal priorities for
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threads on your system. Thus threads can only have the default
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priority. If you happen to know these main/max
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priorities, please inform the GLib developers."
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AIX_COMPILE_INFO="AIX's C compiler needs to be called by a different name, when
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linking threaded applications. As GLib cannot do that
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automatically, you will get an linkg error everytime you are
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@ -1915,9 +1899,10 @@ AIX_COMPILE_INFO="AIX's C compiler needs to be called by a different name, when
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dnl determination of thread implementation
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dnl ***************************************
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AC_MSG_CHECKING(for thread implementation)
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have_threads=no
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if test "x$want_threads" = xyes || test "x$want_threads" = xposix \
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|| test "x$want_threads" = xdce; then
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if test "x$with_threads" = xyes || test "x$with_threads" = xposix; then
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# -D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE is for DG/UX
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# -U_OSF_SOURCE is for Digital UNIX 4.0d
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GTHREAD_COMPILE_IMPL_DEFINES="-D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE -U_OSF_SOURCE"
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@ -1937,21 +1922,19 @@ if test "x$want_threads" = xyes || test "x$want_threads" = xposix \
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fi
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CPPFLAGS="$glib_save_CPPFLAGS"
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fi
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if test "x$want_threads" = xyes || test "x$want_threads" = xwin32; then
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case $host in
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*-*-mingw*)
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have_threads=win32
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;;
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esac
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if test "x$with_threads" = xyes || test "x$with_threads" = xwin32; then
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case $host in
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*-*-mingw*)
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have_threads=win32
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;;
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esac
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fi
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AC_MSG_CHECKING(for thread implementation)
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if test "x$have_threads" = xno; then
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AC_MSG_RESULT(none available)
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AC_MSG_RESULT(none available)
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AC_MSG_ERROR($THREAD_NO_IMPLEMENTATION)
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else
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AC_MSG_RESULT($have_threads)
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AC_MSG_RESULT($have_threads)
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fi
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@ -1977,18 +1960,6 @@ int main()
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return (check_me != 42 || ret != &check_me);
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}])
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dnl
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dnl Test program for sched_get_priority_min()
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dnl
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m4_define([glib_sched_priority_test],[
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#include <sched.h>
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#include <errno.h>
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int main() {
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errno = 0;
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return sched_get_priority_min(SCHED_OTHER)==-1
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&& errno != 0;
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}])
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if test x"$have_threads" = xposix; then
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# First we test for posix, whether -pthread or -pthreads do the trick as
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# both CPPFLAG and LIBS.
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@ -2146,34 +2117,6 @@ case $have_threads in
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esac
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fi
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glib_save_LIBS="$LIBS"
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for thread_lib in "" rt rte; do
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if test x"$thread_lib" = x; then
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add_thread_lib=""
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IN=""
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else
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add_thread_lib="-l$thread_lib"
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IN=" in -l$thread_lib"
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fi
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LIBS="$add_thread_lib $glib_save_LIBS"
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AC_MSG_CHECKING(for sched_get_priority_min$IN)
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AC_TRY_RUN(glib_sched_priority_test,
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glib_result=yes,
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glib_result=no,
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[AC_LINK_IFELSE([AC_LANG_SOURCE(glib_sched_priority_test)],
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glib_result=yes,
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glib_result=no)])
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AC_MSG_RESULT($glib_result)
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if test "$glib_result" = "yes" ; then
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G_THREAD_LIBS="$G_THREAD_LIBS $add_thread_lib"
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posix_priority_min="sched_get_priority_min(SCHED_OTHER)"
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posix_priority_max="sched_get_priority_max(SCHED_OTHER)"
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break
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fi
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done
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LIBS="$glib_save_LIBS"
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g_threads_impl="POSIX"
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AC_SUBST(GTHREAD_COMPILE_IMPL_DEFINES)
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CPPFLAGS="$glib_save_CPPFLAGS"
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@ -2291,78 +2234,17 @@ int main () {
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fi
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LIBS="$G_THREAD_LIBS $LIBS"
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if test x"$have_threads" = xposix; then
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glib_save_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
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dnl we might grow sizeof(pthread_t) later on, so use a dummy name here
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GLIB_SIZEOF([#include <pthread.h>], pthread_t, system_thread)
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# This is not AC_CHECK_FUNC to also work with function
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# name mangling in header files.
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AC_MSG_CHECKING(for pthread_attr_setstacksize)
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AC_TRY_LINK([#include <pthread.h>],
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[pthread_attr_t t; pthread_attr_setstacksize(&t,0)],
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[AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_PTHREAD_ATTR_SETSTACKSIZE,1,
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[Have function pthread_attr_setstacksize])],
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[AC_MSG_RESULT(no)])
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AC_MSG_CHECKING(for minimal/maximal thread priority)
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if test x"$posix_priority_min" = x; then
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AC_EGREP_CPP(PX_PRIO_MIN,[#include <pthread.h>
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PX_PRIO_MIN],,[
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posix_priority_min=PX_PRIO_MIN
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posix_priority_max=PX_PRIO_MAX])
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fi
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if test x"$posix_priority_min" = x; then
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# AIX
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AC_EGREP_CPP(PTHREAD_PRIO_MIN,[#include <pthread.h>
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PTHREAD_PRIO_MIN],,[
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posix_priority_min=PTHREAD_PRIO_MIN
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posix_priority_max=PTHREAD_PRIO_MAX])
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fi
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if test x"$posix_priority_min" = x; then
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AC_EGREP_CPP(PRI_OTHER_MIN,[#include <pthread.h>
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PRI_OTHER_MIN],,[
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posix_priority_min=PRI_OTHER_MIN
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posix_priority_max=PRI_OTHER_MAX])
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fi
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if test x"$posix_priority_min" = x; then
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AC_MSG_RESULT(none found)
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AC_MSG_WARN($POSIX_NO_PRIORITIES)
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posix_priority_min=-1
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posix_priority_max=-1
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else
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AC_MSG_RESULT($posix_priority_min/$posix_priority_max)
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AC_MSG_CHECKING(for pthread_setschedparam)
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AC_TRY_LINK([#include <pthread.h>],
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[pthread_t t; pthread_setschedparam(t, 0, NULL)],
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[AC_MSG_RESULT(yes)
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AC_DEFINE_UNQUOTED(POSIX_MIN_PRIORITY,$posix_priority_min,[Minimum POSIX RT priority])
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AC_DEFINE_UNQUOTED(POSIX_MAX_PRIORITY,$posix_priority_max,[Maximum POSIX RT priority])],
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[AC_MSG_RESULT(no)
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AC_MSG_WARN($POSIX_NO_PRIORITIES)])
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fi
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posix_yield_func=none
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AC_MSG_CHECKING(for posix yield function)
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for yield_func in sched_yield pthread_yield_np pthread_yield \
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thr_yield; do
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AC_TRY_LINK([#include <pthread.h>],
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[$yield_func()],
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[posix_yield_func="$yield_func"
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break])
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done
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if test x"$posix_yield_func" = xnone; then
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AC_MSG_RESULT(none found)
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AC_MSG_WARN($POSIX_NO_YIELD)
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posix_yield_func="g_usleep(1000)"
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else
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AC_MSG_RESULT($posix_yield_func)
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posix_yield_func="$posix_yield_func()"
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fi
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AC_DEFINE_UNQUOTED(POSIX_YIELD_FUNC,$posix_yield_func,[The POSIX RT yield function])
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CPPFLAGS="$glib_save_CPPFLAGS"
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elif test x"$have_threads" = xwin32; then
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# It's a pointer to a private struct
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GLIB_SIZEOF(,struct _GThreadData *, system_thread)
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glib_save_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
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# This is not AC_CHECK_FUNC to also work with function
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# name mangling in header files.
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AC_MSG_CHECKING(for pthread_attr_setstacksize)
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AC_TRY_LINK([#include <pthread.h>],
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[pthread_attr_t t; pthread_attr_setstacksize(&t,0)],
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[AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_PTHREAD_ATTR_SETSTACKSIZE,1,[Have function pthread_attr_setstacksize])],
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[AC_MSG_RESULT(no)])
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CPPFLAGS="$glib_save_CPPFLAGS"
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fi
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LIBS="$glib_save_LIBS"
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@ -2376,11 +2258,6 @@ if test "$ac_cv_func_localtime_r" != "yes"; then
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AC_MSG_WARN($FUNC_NO_LOCALTIME_R)
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fi
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if test x"$glib_cv_sizeof_system_thread" = x; then
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# use a pointer as a fallback.
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GLIB_SIZEOF(,void *, system_thread)
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fi
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#
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# Hack to deal with:
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#
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@ -3483,8 +3360,6 @@ g_have_eilseq=$have_eilseq
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g_threads_impl_def=$g_threads_impl
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g_system_thread_sizeof="$glib_cv_sizeof_system_thread"
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g_atomic_lock_free="$glib_cv_g_atomic_lock_free"
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g_memory_barrier_needed="$glib_memory_barrier_needed"
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g_gcc_atomic_ops="$glib_cv_gcc_has_builtin_atomic_operations"
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