configure: Re-enable the preloader on Android.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>

configure

@@ -8353,6 +8353,7 @@ fi
 
   linux-android*)
     DLLFLAGS="$DLLFLAGS -fPIC"
+    LDEXECFLAGS="-Wl,-pie"
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fPIC -Wl,--export-dynamic" >&5
 $as_echo_n "checking whether the compiler supports -fPIC -Wl,--export-dynamic... " >&6; }
 if ${ac_cv_cflags__fPIC__Wl___export_dynamic+:} false; then :
@@ -8376,7 +8377,7 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cflags__fPIC__Wl___export_dynamic" >&5
 $as_echo "$ac_cv_cflags__fPIC__Wl___export_dynamic" >&6; }
 if test "x$ac_cv_cflags__fPIC__Wl___export_dynamic" = xyes; then :
-  LDEXECFLAGS="-Wl,--export-dynamic"
+  LDEXECFLAGS="$LDEXECFLAGS -Wl,--export-dynamic"
 fi
     as_ac_var=`$as_echo "ac_cv_cflags_-fPIC -Wl,--rpath,\\$ORIGIN/../lib" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fPIC -Wl,--rpath,\$ORIGIN/../lib" >&5
@@ -8435,7 +8436,6 @@ if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
                           LDRPATH_LOCAL="-Wl,-R,\\\$\$ORIGIN/\$(top_builddir)/libs/wine"
 fi
 fi
-
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Wl,--enable-new-dtags" >&5
 $as_echo_n "checking whether the compiler supports -Wl,--enable-new-dtags... " >&6; }
 if ${ac_cv_cflags__Wl___enable_new_dtags+:} false; then :
@@ -8461,31 +8461,6 @@ $as_echo "$ac_cv_cflags__Wl___enable_new_dtags" >&6; }
 if test "x$ac_cv_cflags__Wl___enable_new_dtags" = xyes; then :
   LDRPATH_INSTALL="$LDRPATH_INSTALL -Wl,--enable-new-dtags"
 fi
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Wl,-pie" >&5
-$as_echo_n "checking whether the compiler supports -Wl,-pie... " >&6; }
-if ${ac_cv_cflags__Wl__pie+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_wine_try_cflags_saved=$CFLAGS
-CFLAGS="$CFLAGS -Wl,-pie"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-int main(int argc, char **argv) { return 0; }
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_cflags__Wl__pie=yes
-else
-  ac_cv_cflags__Wl__pie=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-CFLAGS=$ac_wine_try_cflags_saved
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cflags__Wl__pie" >&5
-$as_echo "$ac_cv_cflags__Wl__pie" >&6; }
-if test "x$ac_cv_cflags__Wl__pie" = xyes; then :
-  LDRPATH_INSTALL="$LDRPATH_INSTALL -Wl,-pie"
-fi
 
     LIBWINE_SHAREDLIB="libwine.so"
 
@@ -15258,7 +15233,6 @@ case $build_os in
 esac
 
 case $host_os in
-  linux-android*) ;;
   linux*)
     case $host_cpu in
       *i[3456789]86*|x86_64*)

configure.ac

@@ -847,19 +847,17 @@ case $host_os in
 
   linux-android*)
     DLLFLAGS="$DLLFLAGS -fPIC"
+    LDEXECFLAGS="-Wl,-pie"
     WINE_TRY_CFLAGS([-fPIC -Wl,--export-dynamic],
-                    [LDEXECFLAGS="-Wl,--export-dynamic"])
+                    [LDEXECFLAGS="$LDEXECFLAGS -Wl,--export-dynamic"])
     WINE_TRY_CFLAGS([-fPIC -Wl,--rpath,\$ORIGIN/../lib],
                     [LDRPATH_INSTALL="-Wl,--rpath,\\\$\$ORIGIN/\`\$(MAKEDEP) -R \${bindir} \${libdir}\`"
                      LDRPATH_LOCAL="-Wl,--rpath,\\\$\$ORIGIN/\$(top_builddir)/libs/wine"],
         [WINE_TRY_CFLAGS([-fPIC -Wl,-R,\$ORIGIN/../lib],
                          [LDRPATH_INSTALL="-Wl,-R,\\\$\$ORIGIN/\`\$(MAKEDEP) -R \${bindir} \${libdir}\`"
                           LDRPATH_LOCAL="-Wl,-R,\\\$\$ORIGIN/\$(top_builddir)/libs/wine"])])
-
     WINE_TRY_CFLAGS([-Wl,--enable-new-dtags],
                     [LDRPATH_INSTALL="$LDRPATH_INSTALL -Wl,--enable-new-dtags"])
-    WINE_TRY_CFLAGS([-Wl,-pie],
-                    [LDRPATH_INSTALL="$LDRPATH_INSTALL -Wl,-pie"])
 
     AC_SUBST(LIBWINE_SHAREDLIB,"libwine.so")
     AC_SUBST(LIBWINE_INSTALL_LIB,"libwine.so")
@@ -1967,7 +1965,6 @@ case $build_os in
 esac
 
 case $host_os in
-  linux-android*) ;;
   linux*)
     case $host_cpu in
       *i[[3456789]]86*|x86_64*)

loader/main.c

@@ -113,7 +113,11 @@ static void check_command_line( int argc, char *argv[] )
 
 static int pre_exec(void)
 {
+#if defined(__i386__) || defined(__x86_64__)
+    return 1;  /* we have a preloader */
+#else
     return 0;  /* no exec needed */
+#endif
 }
 
 #elif defined(__linux__) && (defined(__i386__) || defined(__arm__))