makefiles: Default to ms_abi for 64-bit msvcrt builds.

configure

@@ -17197,8 +17197,8 @@ if test "x$ac_cv_cflags__fshort_wchar" = xyes; then :
 fi ;;
   esac
 
-    case $host_cpu in
-    *i[3456789]86*) { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fno-omit-frame-pointer" >&5
+  case $host_cpu in
+        *i[3456789]86*) { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fno-omit-frame-pointer" >&5
 $as_echo_n "checking whether the compiler supports -fno-omit-frame-pointer... " >&6; }
 if ${ac_cv_cflags__fno_omit_frame_pointer+:} false; then :
   $as_echo_n "(cached) " >&6
@@ -17223,10 +17223,9 @@ $as_echo "$ac_cv_cflags__fno_omit_frame_pointer" >&6; }
 if test "x$ac_cv_cflags__fno_omit_frame_pointer" = xyes; then :
   EXTRACFLAGS="$EXTRACFLAGS -fno-omit-frame-pointer"
 fi ;;
-  esac
-
-    case $host in
-    x86_64-*mingw32*|x86_64-*cygwin*) { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Wno-format" >&5
+    *x86_64*)
+      case $host_os in
+                cygwin*|mingw32*) { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Wno-format" >&5
 $as_echo_n "checking whether the compiler supports -Wno-format... " >&6; }
 if ${ac_cv_cflags__Wno_format+:} false; then :
   $as_echo_n "(cached) " >&6
@@ -17251,6 +17250,32 @@ $as_echo "$ac_cv_cflags__Wno_format" >&6; }
 if test "x$ac_cv_cflags__Wno_format" = xyes; then :
   EXTRACFLAGS="$EXTRACFLAGS -Wno-format"
 fi ;;
+                *) { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -mabi=ms" >&5
+$as_echo_n "checking whether the compiler supports -mabi=ms... " >&6; }
+if ${ac_cv_cflags__mabi_ms+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_wine_try_cflags_saved=$CFLAGS
+CFLAGS="$CFLAGS -mabi=ms"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int main(int argc, char **argv) { return 0; }
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_cflags__mabi_ms=yes
+else
+  ac_cv_cflags__mabi_ms=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+CFLAGS=$ac_wine_try_cflags_saved
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cflags__mabi_ms" >&5
+$as_echo "$ac_cv_cflags__mabi_ms" >&6; }
+if test "x$ac_cv_cflags__mabi_ms" = xyes; then :
+  MSVCRTFLAGS="$MSVCRTFLAGS -mabi=ms"
+fi ;;
+      esac ;;
   esac
 
     if test "x$enable_maintainer_mode" = "xyes"

configure.ac

@@ -2022,14 +2022,16 @@ char*f(const char *h,char n) {return strchr(h,n);}]])],[ac_cv_c_logicalop_noisy=
        WINE_TRY_CFLAGS([-fshort-wchar],[MSVCRTFLAGS="$MSVCRTFLAGS -fshort-wchar"]) ;;
   esac
 
-  dnl gcc-4.6+ omits frame pointers by default, breaking some copy protections
   case $host_cpu in
+    dnl gcc-4.6+ omits frame pointers by default, breaking some copy protections
     *i[[3456789]]86*) WINE_TRY_CFLAGS([-fno-omit-frame-pointer]) ;;
-  esac
-
-  dnl mingw uses Windows 64-bit types, not Unix ones
-  case $host in
-    x86_64-*mingw32*|x86_64-*cygwin*) WINE_TRY_CFLAGS([-Wno-format]) ;;
+    *x86_64*)
+      case $host_os in
+        dnl Mingw uses Windows 64-bit types, not Unix ones
+        cygwin*|mingw32*) WINE_TRY_CFLAGS([-Wno-format]) ;;
+        dnl Default to ms_abi on 64-bit
+        *) WINE_TRY_CFLAGS([-mabi=ms],[MSVCRTFLAGS="$MSVCRTFLAGS -mabi=ms"]) ;;
+      esac ;;
   esac
 
   dnl Enable -Werror for maintainer mode

loader/Makefile.in

@@ -14,7 +14,7 @@ SOURCES = \
 PROGRAMS = $(WINELOADER_PROGRAMS)
 INSTALL_LIB = $(WINELOADER_PROGRAMS)
 
-preloader_EXTRADEFS = $(MSVCRTFLAGS)
+preloader_EXTRADEFS = -fno-builtin
 
 wine_OBJS = main.o
 wine_DEPS = $(WINELOADER_DEPENDS)