configure: Avoid incorrectly cleaning up symlink targets when running in the source dir.

aclocal.m4

@@ -147,7 +147,7 @@ dnl
 dnl Usage: WINE_CONFIG_SYMLINK(name,target)
 dnl
 AC_DEFUN([WINE_CONFIG_SYMLINK],[AC_CONFIG_LINKS([$1:]m4_default([$2],[$1]))dnl
-ALL_SYMLINKS="$ALL_SYMLINKS \\
+m4_if([$2],,[test "$srcdir" = "." || ])ALL_SYMLINKS="$ALL_SYMLINKS \\
 	$1"])
 
 dnl **** Create a make rules file from config.status ****

configure

@@ -13686,19 +13686,19 @@ ac_config_commands="$ac_config_commands include/stamp-h"
 
 
 ac_config_links="$ac_config_links dlls/wineps.drv/generic.ppd:dlls/wineps.drv/generic.ppd"
-ALL_SYMLINKS="$ALL_SYMLINKS \\
+test "$srcdir" = "." || ALL_SYMLINKS="$ALL_SYMLINKS \\
 	dlls/wineps.drv/generic.ppd"
 ac_config_links="$ac_config_links fonts/marlett.ttf:fonts/marlett.ttf"
-ALL_SYMLINKS="$ALL_SYMLINKS \\
+test "$srcdir" = "." || ALL_SYMLINKS="$ALL_SYMLINKS \\
 	fonts/marlett.ttf"
 ac_config_links="$ac_config_links fonts/symbol.ttf:fonts/symbol.ttf"
-ALL_SYMLINKS="$ALL_SYMLINKS \\
+test "$srcdir" = "." || ALL_SYMLINKS="$ALL_SYMLINKS \\
 	fonts/symbol.ttf"
 ac_config_links="$ac_config_links fonts/tahoma.ttf:fonts/tahoma.ttf"
-ALL_SYMLINKS="$ALL_SYMLINKS \\
+test "$srcdir" = "." || ALL_SYMLINKS="$ALL_SYMLINKS \\
 	fonts/tahoma.ttf"
 ac_config_links="$ac_config_links fonts/tahomabd.ttf:fonts/tahomabd.ttf"
-ALL_SYMLINKS="$ALL_SYMLINKS \\
+test "$srcdir" = "." || ALL_SYMLINKS="$ALL_SYMLINKS \\
 	fonts/tahomabd.ttf"
 ac_config_links="$ac_config_links wine:tools/winewrapper"
 ALL_SYMLINKS="$ALL_SYMLINKS \\