$NetBSD: patch-configure,v 1.4 2022/04/03 10:54:52 riastradh Exp $

Use gnu99 instead of c99 to avoid "alloca() undefined" problems.
Fix linking on Darwin; don't use -stack_size.
Changes for consistency across pkgsrc platforms.
Simplify _sysconfigdata to include only platform name.
detect netcan/can.h on NetBSD
Disable barrier to cross-compilation.

--- configure.orig	2022-03-23 20:12:04.000000000 +0000
+++ configure
@@ -3380,7 +3380,7 @@ fi
 $as_echo "\"$MACHDEP\"" >&6; }
 
 
-if test "$cross_compiling" = yes; then
+if false && test "$cross_compiling" = yes; then
 	case "$host" in
 	*-*-linux*)
 		case "$host_cpu" in
@@ -7051,7 +7051,7 @@ UNIVERSAL_ARCH_FLAGS=
 # tweak BASECFLAGS based on compiler and platform
 case $GCC in
 yes)
-    CFLAGS_NODIST="$CFLAGS_NODIST -std=c99"
+    CFLAGS_NODIST="$CFLAGS_NODIST -std=gnu99"
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Wextra" >&5
 $as_echo_n "checking for -Wextra... " >&6; }
@@ -8675,6 +8675,17 @@ if test "x$ac_cv_type___uint128_t" = xye
 $as_echo "#define HAVE_GCC_UINT128_T 1" >>confdefs.h
 
 fi
+ac_fn_c_check_header_compile "$LINENO" "netcan/can.h" "ac_cv_header_netcan_can_h" "
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+"
+if test "x$ac_cv_header_netcan_can_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_NETCAN_CAN_H 1" >>confdefs.h
+
+fi
 
 
 # Sizes and alignments of various common basic types
@@ -14729,10 +14740,10 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
 
 
-if grep noonsees conftest.$ac_objext >/dev/null ; then
+if strings -a conftest.$ac_objext | grep noonsees >/dev/null ; then
   ax_cv_c_float_words_bigendian=yes
 fi
-if grep seesnoon conftest.$ac_objext >/dev/null ; then
+if strings -a conftest.$ac_objext | grep seesnoon >/dev/null ; then
   if test "$ax_cv_c_float_words_bigendian" = unknown; then
     ax_cv_c_float_words_bigendian=no
   else
@@ -15633,7 +15644,7 @@ _ACEOF
 fi
 
 
-EXT_SUFFIX=.${SOABI}${SHLIB_SUFFIX}
+EXT_SUFFIX=${SHLIB_SUFFIX}
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking LDVERSION" >&5
 $as_echo_n "checking LDVERSION... " >&6; }
@@ -15686,11 +15697,7 @@ fi
 
 
 
-if test x$PLATFORM_TRIPLET = x; then
-  LIBPL='$(prefix)'"/${PLATLIBDIR}/python${VERSION}/config-${LDVERSION}"
-else
-  LIBPL='$(prefix)'"/${PLATLIBDIR}/python${VERSION}/config-${LDVERSION}-${PLATFORM_TRIPLET}"
-fi
+LIBPL='$(prefix)'"/${PLATLIBDIR}/python${VERSION}/config-${LDVERSION}"
 
 
 # Check for --with-wheel-pkg-dir=PATH