$NetBSD: patch-configure,v 1.4 2019/03/02 13:23:36 adam Exp $

MirBSD support: http://bugs.python.org/issue21458
Changes for consistency across pkgsrc platforms.
Detect is_pad() (taken from Python 3.7).
Detect netcan/can.h on NetBSD

Fix linking on Darwin; don't use -stack_size.

--- configure.orig	2018-08-02 09:19:12.000000000 +0000
+++ configure
@@ -3441,7 +3441,7 @@ case $ac_sys_system/$ac_sys_release in
   # Reconfirmed for OpenBSD 3.3 by Zachary Hamm, for 3.4 by Jason Ish.
   # In addition, Stefan Krah confirms that issue #1244610 exists through
   # OpenBSD 4.6, but is fixed in 4.7.
-  OpenBSD/2.* | OpenBSD/3.* | OpenBSD/4.[0123456])
+  OpenBSD/2.* | OpenBSD/3.* | OpenBSD/4.[0123456] | MirBSD/*)
     define_xopen_source=no
     # OpenBSD undoes our definition of __BSD_VISIBLE if _XOPEN_SOURCE is
     # also defined. This can be overridden by defining _BSD_SOURCE
@@ -5975,7 +5975,7 @@ $as_echo "#define Py_ENABLE_SHARED 1" >>
 	      PY3LIBRARY=libpython3.so
 	  fi
           ;;
-    Linux*|GNU*|NetBSD*|FreeBSD*|DragonFly*|OpenBSD*)
+    Linux*|GNU*|NetBSD*|FreeBSD*|DragonFly*|OpenBSD*|MirBSD*)
 	  LDLIBRARY='libpython$(LDVERSION).so'
 	  BLDLIBRARY='-L. -lpython$(LDVERSION)'
 	  RUNSHARED=LD_LIBRARY_PATH=`pwd`${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
@@ -7990,7 +7990,7 @@ done
 
 
 # On Linux, can.h and can/raw.h require sys/socket.h
-for ac_header in linux/can.h linux/can/raw.h linux/can/bcm.h
+for ac_header in linux/can.h linux/can/raw.h linux/can/bcm.h netcan/can.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "
@@ -9268,8 +9268,8 @@ then
 			LDCXXSHARED="$LDCXXSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
 		else
 			# No framework, use the Python app as bundle-loader
-			BLDSHARED="$LDSHARED "'-bundle_loader $(BUILDPYTHON)'
-			LDSHARED="$LDSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
+			BLDSHARED="$LDSHARED "'-flat_namespace -undefined suppress -bundle_loader $(BUILDPYTHON)'
+			LDSHARED="$LDSHARED "'-flat_namespace -undefined suppress -bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
 			LDCXXSHARED="$LDCXXSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
 		fi ;;
 	Darwin/*)
@@ -9293,9 +9293,9 @@ then
 				LDCXXSHARED="$LDCXXSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
 			else
 				# No framework, use the Python app as bundle-loader
-				BLDSHARED="$LDSHARED "'-bundle_loader $(BUILDPYTHON)'
-				LDSHARED="$LDSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
-				LDCXXSHARED="$LDCXXSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
+				BLDSHARED="$LDSHARED "'-flat_namespace -undefined suppress -bundle_loader $(BUILDPYTHON)'
+				LDSHARED="$LDSHARED "'-flat_namespace -undefined suppress -bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
+				LDCXXSHARED="$LDCXXSHARED "'-flat_namespace -undefined suppress -bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
 			fi
 		else
 			# building for OS X 10.3 and later
@@ -9334,6 +9334,9 @@ then
 				   ;;
 				esac
 		fi;;
+	MirBSD*)
+		LDSHARED='$(CC) -shared $(CCSHARED)'
+		LDCXXSHARED='$(CXX) -shared $(CCSHARED)';;
 	NetBSD*|DragonFly*)
 		LDSHARED='$(CC) -shared'
 		LDCXXSHARED='$(CXX) -shared';;
@@ -9377,7 +9380,7 @@ then
 		 fi;;
 	Linux*|GNU*) CCSHARED="-fPIC";;
 	BSD/OS*/4*) CCSHARED="-fpic";;
-	FreeBSD*|NetBSD*|OpenBSD*|DragonFly*) CCSHARED="-fPIC";;
+	FreeBSD*|NetBSD*|OpenBSD*|MirBSD*|DragonFly*) CCSHARED="-fPIC";;
 	OpenUNIX*|UnixWare*)
 		if test "$GCC" = "yes"
 		then CCSHARED="-fPIC"
@@ -9416,7 +9419,6 @@ then
 		# Issue #18075: the default maximum stack size (8MBytes) is too
 		# small for the default recursion limit. Increase the stack size
 		# to ensure that tests don't crash
-		LINKFORSHARED="-Wl,-stack_size,1000000 $LINKFORSHARED"
 
 		if test "$enable_framework"
 		then
@@ -9426,7 +9428,7 @@ then
 	OpenUNIX*|UnixWare*) LINKFORSHARED="-Wl,-Bexport";;
 	SCO_SV*) LINKFORSHARED="-Wl,-Bexport";;
 	ReliantUNIX*) LINKFORSHARED="-W1 -Blargedynsym";;
-	FreeBSD*|NetBSD*|OpenBSD*|DragonFly*)
+	FreeBSD*|NetBSD*|OpenBSD*|MirBSD*|DragonFly*)
 		if [ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]
 		then
 			LINKFORSHARED="-Wl,--export-dynamic"
@@ -14757,8 +14759,6 @@ $as_echo "$SOABI" >&6; }
 
 
 case $ac_sys_system in
-    Linux*|GNU*|Darwin)
-	EXT_SUFFIX=.${SOABI}${SHLIB_SUFFIX};;
     *)
 	EXT_SUFFIX=${SHLIB_SUFFIX};;
 esac
@@ -15694,6 +15694,36 @@ $as_echo "#define WINDOW_HAS_FLAGS 1" >>
 
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for is_pad" >&5
+$as_echo_n "checking for is_pad... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <curses.h>
+int
+main ()
+{
+
+#ifndef is_pad
+void *x=is_pad
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+$as_echo "#define HAVE_CURSES_IS_PAD 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_ext
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for is_term_resized" >&5
 $as_echo_n "checking for is_term_resized... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
