[Python-checkins] r76568 - in python/trunk: configure configure.in

mark.dickinson python-checkins at python.org
Sat Nov 28 14:13:13 CET 2009


Author: mark.dickinson
Date: Sat Nov 28 14:13:13 2009
New Revision: 76568

Log:
Multiprocessing configure checks don't need LIBM

Modified:
   python/trunk/configure
   python/trunk/configure.in

Modified: python/trunk/configure
==============================================================================
--- python/trunk/configure	(original)
+++ python/trunk/configure	Sat Nov 28 14:13:13 2009
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 76550 .
+# From configure.in Revision: 76558 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for python 2.7.
 #
@@ -23797,175 +23797,6 @@
 LIBS_SAVE=$LIBS
 LIBS="$LIBS $LIBM"
 
-# For multiprocessing module, check that sem_open
-# actually works.  For FreeBSD versions <= 7.2,
-# the kernel module that provides POSIX semaphores
-# isn't loaded by default, so an attempt to call
-# sem_open results in a 'Signal 12' error.
-{ echo "$as_me:$LINENO: checking whether POSIX semaphores are enabled" >&5
-echo $ECHO_N "checking whether POSIX semaphores are enabled... $ECHO_C" >&6; }
-if test "${ac_cv_posix_semaphores_enabled+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test "$cross_compiling" = yes; then
-  ac_cv_posix_semaphores_enabled=yes
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-#include <unistd.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <semaphore.h>
-#include <sys/stat.h>
-
-int main(void) {
-  sem_t *a = sem_open("/autoconf", O_CREAT, S_IRUSR|S_IWUSR, 0);
-  if (a == SEM_FAILED) {
-    perror("sem_open");
-    return 1;
-  }
-  sem_close(a);
-  return 0;
-}
-
-_ACEOF
-rm -f conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_posix_semaphores_enabled=yes
-else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-ac_cv_posix_semaphores_enabled=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
-fi
-
-
-
-fi
-
-{ echo "$as_me:$LINENO: result: $ac_cv_posix_semaphores_enabled" >&5
-echo "${ECHO_T}$ac_cv_posix_semaphores_enabled" >&6; }
-if test $ac_cv_posix_semaphores_enabled = no
-then
-
-cat >>confdefs.h <<\_ACEOF
-#define POSIX_SEMAPHORES_NOT_ENABLED 1
-_ACEOF
-
-fi
-
-
-# Multiprocessing check for broken sem_getvalue
-{ echo "$as_me:$LINENO: checking for broken sem_getvalue" >&5
-echo $ECHO_N "checking for broken sem_getvalue... $ECHO_C" >&6; }
-if test "${ac_cv_broken_sem_getvalue+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test "$cross_compiling" = yes; then
-  ac_cv_broken_sem_getvalue=yes
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-#include <unistd.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <semaphore.h>
-#include <sys/stat.h>
-
-int main(void){
-  sem_t *a = sem_open("/autoconf", O_CREAT, S_IRUSR|S_IWUSR, 0);
-  int count;
-  int res;
-  if(a==SEM_FAILED){
-    perror("sem_open");
-    return 1;
-
-  }
-  res = sem_getvalue(a, &count);
-  sem_close(a);
-  return res==-1 ? 1 : 0;
-}
-
-_ACEOF
-rm -f conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_broken_sem_getvalue=no
-else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-ac_cv_broken_sem_getvalue=yes
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
-fi
-
-
-
-fi
-
-{ echo "$as_me:$LINENO: result: $ac_cv_broken_sem_getvalue" >&5
-echo "${ECHO_T}$ac_cv_broken_sem_getvalue" >&6; }
-if test $ac_cv_broken_sem_getvalue = yes
-then
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_BROKEN_SEM_GETVALUE 1
-_ACEOF
-
-fi
-
 # On FreeBSD 6.2, it appears that tanh(-0.) returns 0. instead of
 # -0. on some architectures.
 { echo "$as_me:$LINENO: checking whether tanh preserves the sign of zero" >&5
@@ -24448,6 +24279,174 @@
 
 LIBS=$LIBS_SAVE
 
+# For multiprocessing module, check that sem_open
+# actually works.  For FreeBSD versions <= 7.2,
+# the kernel module that provides POSIX semaphores
+# isn't loaded by default, so an attempt to call
+# sem_open results in a 'Signal 12' error.
+{ echo "$as_me:$LINENO: checking whether POSIX semaphores are enabled" >&5
+echo $ECHO_N "checking whether POSIX semaphores are enabled... $ECHO_C" >&6; }
+if test "${ac_cv_posix_semaphores_enabled+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_posix_semaphores_enabled=yes
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <semaphore.h>
+#include <sys/stat.h>
+
+int main(void) {
+  sem_t *a = sem_open("/autoconf", O_CREAT, S_IRUSR|S_IWUSR, 0);
+  if (a == SEM_FAILED) {
+    perror("sem_open");
+    return 1;
+  }
+  sem_close(a);
+  return 0;
+}
+
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_posix_semaphores_enabled=yes
+else
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_posix_semaphores_enabled=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+
+fi
+
+{ echo "$as_me:$LINENO: result: $ac_cv_posix_semaphores_enabled" >&5
+echo "${ECHO_T}$ac_cv_posix_semaphores_enabled" >&6; }
+if test $ac_cv_posix_semaphores_enabled = no
+then
+
+cat >>confdefs.h <<\_ACEOF
+#define POSIX_SEMAPHORES_NOT_ENABLED 1
+_ACEOF
+
+fi
+
+# Multiprocessing check for broken sem_getvalue
+{ echo "$as_me:$LINENO: checking for broken sem_getvalue" >&5
+echo $ECHO_N "checking for broken sem_getvalue... $ECHO_C" >&6; }
+if test "${ac_cv_broken_sem_getvalue+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test "$cross_compiling" = yes; then
+  ac_cv_broken_sem_getvalue=yes
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <semaphore.h>
+#include <sys/stat.h>
+
+int main(void){
+  sem_t *a = sem_open("/autoconf", O_CREAT, S_IRUSR|S_IWUSR, 0);
+  int count;
+  int res;
+  if(a==SEM_FAILED){
+    perror("sem_open");
+    return 1;
+
+  }
+  res = sem_getvalue(a, &count);
+  sem_close(a);
+  return res==-1 ? 1 : 0;
+}
+
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_broken_sem_getvalue=no
+else
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_broken_sem_getvalue=yes
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+
+fi
+
+{ echo "$as_me:$LINENO: result: $ac_cv_broken_sem_getvalue" >&5
+echo "${ECHO_T}$ac_cv_broken_sem_getvalue" >&6; }
+if test $ac_cv_broken_sem_getvalue = yes
+then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_BROKEN_SEM_GETVALUE 1
+_ACEOF
+
+fi
+
 # determine what size digit to use for Python's longs
 { echo "$as_me:$LINENO: checking digit size for Python's longs" >&5
 echo $ECHO_N "checking digit size for Python's longs... $ECHO_C" >&6; }

Modified: python/trunk/configure.in
==============================================================================
--- python/trunk/configure.in	(original)
+++ python/trunk/configure.in	Sat Nov 28 14:13:13 2009
@@ -3389,6 +3389,38 @@
 LIBS_SAVE=$LIBS
 LIBS="$LIBS $LIBM"
 
+# On FreeBSD 6.2, it appears that tanh(-0.) returns 0. instead of
+# -0. on some architectures.
+AC_MSG_CHECKING(whether tanh preserves the sign of zero)
+AC_CACHE_VAL(ac_cv_tanh_preserves_zero_sign, [
+AC_TRY_RUN([
+#include <math.h>
+#include <stdlib.h>
+int main() {
+    /* return 0 if either negative zeros don't exist
+       on this platform or if negative zeros exist
+       and tanh(-0.) == -0. */
+  if (atan2(0., -1.) == atan2(-0., -1.) ||
+      atan2(tanh(-0.), -1.) == atan2(-0., -1.)) exit(0);
+  else exit(1);
+}
+],
+ac_cv_tanh_preserves_zero_sign=yes,
+ac_cv_tanh_preserves_zero_sign=no,
+ac_cv_tanh_preserves_zero_sign=no)])
+AC_MSG_RESULT($ac_cv_tanh_preserves_zero_sign)
+if test "$ac_cv_tanh_preserves_zero_sign" = yes
+then
+  AC_DEFINE(TANH_PRESERVES_ZERO_SIGN, 1,
+  [Define if tanh(-0.) is -0., or if platform doesn't have signed zeros])
+fi
+
+AC_CHECK_FUNCS([acosh asinh atanh copysign erf erfc expm1 finite gamma])
+AC_CHECK_FUNCS([hypot lgamma log1p round tgamma])
+AC_CHECK_DECLS([isinf, isnan, isfinite], [], [], [[#include <math.h>]])
+
+LIBS=$LIBS_SAVE
+
 # For multiprocessing module, check that sem_open
 # actually works.  For FreeBSD versions <= 7.2,
 # the kernel module that provides POSIX semaphores
@@ -3423,7 +3455,6 @@
             [Define if POSIX semaphores aren't enabled on your system])
 fi
 
-
 # Multiprocessing check for broken sem_getvalue
 AC_MSG_CHECKING(for broken sem_getvalue)
 AC_CACHE_VAL(ac_cv_broken_sem_getvalue,
@@ -3458,38 +3489,6 @@
   [define to 1 if your sem_getvalue is broken.])
 fi
 
-# On FreeBSD 6.2, it appears that tanh(-0.) returns 0. instead of
-# -0. on some architectures.
-AC_MSG_CHECKING(whether tanh preserves the sign of zero)
-AC_CACHE_VAL(ac_cv_tanh_preserves_zero_sign, [
-AC_TRY_RUN([
-#include <math.h>
-#include <stdlib.h>
-int main() {
-    /* return 0 if either negative zeros don't exist
-       on this platform or if negative zeros exist
-       and tanh(-0.) == -0. */
-  if (atan2(0., -1.) == atan2(-0., -1.) ||
-      atan2(tanh(-0.), -1.) == atan2(-0., -1.)) exit(0);
-  else exit(1);
-}
-],
-ac_cv_tanh_preserves_zero_sign=yes,
-ac_cv_tanh_preserves_zero_sign=no,
-ac_cv_tanh_preserves_zero_sign=no)])
-AC_MSG_RESULT($ac_cv_tanh_preserves_zero_sign)
-if test "$ac_cv_tanh_preserves_zero_sign" = yes
-then
-  AC_DEFINE(TANH_PRESERVES_ZERO_SIGN, 1,
-  [Define if tanh(-0.) is -0., or if platform doesn't have signed zeros])
-fi
-
-AC_CHECK_FUNCS([acosh asinh atanh copysign erf erfc expm1 finite gamma])
-AC_CHECK_FUNCS([hypot lgamma log1p round tgamma])
-AC_CHECK_DECLS([isinf, isnan, isfinite], [], [], [[#include <math.h>]])
-
-LIBS=$LIBS_SAVE
-
 # determine what size digit to use for Python's longs
 AC_MSG_CHECKING([digit size for Python's longs])
 AC_ARG_ENABLE(big-digits,


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