configure.in: convert all obsolete AC_TRY_* macros to AC_*_IFELSE,

only whitespace changes in generated configure (diff -uEwB).

configure

@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 80474 .
+# From configure.in Revision: 80475 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.65 for python 3.2.
 #
@@ -5289,6 +5289,7 @@ else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main ()
 {
@@ -5296,13 +5297,16 @@ int main() { return 0; }
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
+
 	   CC="$ac_save_cc -fstrict-aliasing"
            CFLAGS="$CFLAGS -Werror -Wstrict-aliasing"
            cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main ()
 {
@@ -5310,15 +5314,23 @@ void f(int **x) {} int main() { double *x; f((int **) &x); return 0; }
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
+
 	       ac_cv_no_strict_aliasing=no
+
 else
+
                ac_cv_no_strict_aliasing=yes
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
 else
+
 	   ac_cv_no_strict_aliasing=no
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
@@ -5510,6 +5522,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_opt_olimit_ok=yes
 else
   ac_cv_opt_olimit_ok=no
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 CC="$ac_save_cc"
@@ -5551,6 +5564,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_olimit_ok=yes
 else
   ac_cv_olimit_ok=no
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CC="$ac_save_cc"
@@ -5574,7 +5588,6 @@ $as_echo_n "checking whether gcc supports ParseTuple __format__... " >&6; }
 /* end confdefs.h.  */
 
     void f(char*,...)__attribute((format(PyArg_ParseTuple, 1, 2)));
-
 int
 main ()
 {
@@ -5582,14 +5595,18 @@ main ()
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
 
+
 $as_echo "#define HAVE_ATTRIBUTE_FORMAT_PARSETUPLE 1" >>confdefs.h
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+
 else
+
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 
@@ -6256,6 +6273,7 @@ $as_echo "$was_it_defined" >&6; }
 $as_echo_n "checking for makedev... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+
   #include <sys/types.h>
 int
 main ()
@@ -6264,6 +6282,7 @@ main ()
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_has_makedev=yes
@@ -7191,6 +7210,7 @@ $as_echo_n "checking for pthread_t... " >&6; }
 have_pthread_t=no
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+
   #include <pthread.h>
 int
 main ()
@@ -7199,6 +7219,7 @@ pthread_t x; x = *(pthread_t*)0;
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
   have_pthread_t=yes
@@ -7893,6 +7914,7 @@ case "$ac_sys_system" in
 $as_echo_n "checking for genuine AIX C++ extensions support... " >&6; }
 		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+
 		  #include "/usr/lpp/xlC/include/load.h"
 int
 main ()
@@ -7901,16 +7923,21 @@ loadAndInit("", 0, "")
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
 
+
 $as_echo "#define AIX_GENUINE_CPLUSPLUS 1" >>confdefs.h
 
 		  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+
 else
+
 		  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
+
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext;;
@@ -8798,6 +8825,7 @@ $as_echo "yes" >&6; }
 else
 
   if test "$cross_compiling" = yes; then :
+
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
   ipv6=no
@@ -8818,13 +8846,17 @@ main()
 
 _ACEOF
 if ac_fn_c_try_run "$LINENO"; then :
+
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
   ipv6=yes
+
 else
+
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
   ipv6=no
+
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
@@ -8836,6 +8868,7 @@ if test "$ipv6" = "yes"; then
 $as_echo_n "checking if RFC2553 API is available... " >&6; }
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+
 	  #include <sys/types.h>
 #include <netinet/in.h>
 int
@@ -8846,15 +8879,20 @@ x.sin6_scope_id;
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
+
 	  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 	  ipv6=yes
+
 else
+
 	  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 	  ipv6=no
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
@@ -9029,6 +9067,7 @@ fi
 $as_echo_n "checking for OSX 10.5 SDK or later... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+
   #include <Carbon/Carbon.h>
 int
 main ()
@@ -9037,14 +9076,18 @@ FSIORefNum fRef = 0
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
 
+
 $as_echo "#define HAVE_OSX105_SDK 1" >>confdefs.h
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+
 else
+
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 
@@ -10249,7 +10292,6 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 $as_echo "#define GETPGRP_HAVE_ARG 1" >>confdefs.h
 
-
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
@@ -10278,7 +10320,6 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 $as_echo "#define SETPGRP_HAVE_ARG 1" >>confdefs.h
 
-
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
@@ -10738,6 +10779,7 @@ $as_echo_n "checking for time.h that defines altzone... " >&6; }
 if test "${ac_cv_header_time_altzone+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
+
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <time.h>
@@ -10755,6 +10797,7 @@ else
   ac_cv_header_time_altzone=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
 fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_time_altzone" >&5
@@ -10802,7 +10845,6 @@ if test "${ac_cv_struct_addrinfo+set}" = set; then :
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
 #include <netdb.h>
 int
 main ()
@@ -11045,11 +11087,9 @@ return foo(10);
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
 
-
 $as_echo "#define HAVE_PROTOTYPES 1" >>confdefs.h
 
    have_prototypes=yes
-
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_prototypes" >&5
@@ -11146,6 +11186,7 @@ $as_echo "#define HAVE_SOCKADDR_SA_LEN 1" >>confdefs.h
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
@@ -12552,6 +12593,7 @@ if ac_fn_c_try_cpp "$LINENO"; then :
   have_readline=yes
 else
   have_readline=no
+
 fi
 rm -f conftest.err conftest.$ac_ext
 if test $have_readline = yes
@@ -12725,6 +12767,7 @@ if ac_fn_c_try_cpp "$LINENO"; then :
   have_readline=yes
 else
   have_readline=no
+
 fi
 rm -f conftest.err conftest.$ac_ext
 if test $have_readline = yes