Subject: Move test for pthread_atfork inside SC_ENABLE_THREADS

From: "jan.nijtmans" <[email-masked]>
Date: Thu, 25 Jul 2013 14:24:39 +0000

---
 unix/configure    | 105 ++----------------------------------------------------
 unix/configure.in |   1 -
 unix/tcl.m4       |   2 +-
 3 files changed, 3 insertions(+), 105 deletions(-)

diff --git a/unix/configure b/unix/configure
index 9fa5673..217e5d4 100755
--- a/unix/configure
+++ b/unix/configure
@@ -4796,7 +4796,8 @@ echo "$as_me: WARNING: Don't know how to find pthread lib on your system - you m
 	ac_saved_libs=$LIBS
 	LIBS="$LIBS $THREADS_LIBS"
 
-for ac_func in pthread_attr_setstacksize
+
+for ac_func in pthread_attr_setstacksize pthread_atfork
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 echo "$as_me:$LINENO: checking for $ac_func" >&5
@@ -5303,108 +5304,6 @@ echo "${ECHO_T}no (default)" >&6

-for ac_func in pthread_atfork
-do
-as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-echo "$as_me:$LINENO: checking for $ac_func" >&5
-echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-if eval "test \"\${$as_ac_var+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-choke me
-#else
-char (*f) () = $ac_func;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-int
-main ()
-{
-return f != $ac_func;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  eval "$as_ac_var=yes"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-eval "$as_ac_var=no"
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-if test `eval echo '${'$as_ac_var'}'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-done
-
-
 #------------------------------------------------------------------------
 # Embedded configuration information, encoding to use for the values, TIP #59
 #------------------------------------------------------------------------
diff --git a/unix/configure.in b/unix/configure.in
index 5a7125e..37de8be 100644
--- a/unix/configure.in
+++ b/unix/configure.in
@@ -93,7 +93,6 @@ fi
 #------------------------------------------------------------------------
 
 SC_ENABLE_THREADS
-AC_CHECK_FUNCS(pthread_atfork)
 
 #------------------------------------------------------------------------
 # Embedded configuration information, encoding to use for the values, TIP #59
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 879d810..f484989 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -679,7 +679,7 @@ AC_DEFUN([SC_ENABLE_THREADS], [
 
 	ac_saved_libs=$LIBS
 	LIBS="$LIBS $THREADS_LIBS"
-	AC_CHECK_FUNCS(pthread_attr_setstacksize)
+	AC_CHECK_FUNCS(pthread_attr_setstacksize pthread_atfork)
 	AC_CHECK_FUNC(pthread_attr_get_np,tcl_ok=yes,tcl_ok=no)
 	if test $tcl_ok = yes ; then
 	    AC_DEFINE(HAVE_PTHREAD_ATTR_GET_NP, 1,
-- 
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