buildroot/package/libgcrypt/libgcrypt-01-reconfigure.patch

--- libgcrypt-1.2.4.oorig/configure	2007-09-19 13:40:48.000000000 +0200
+++ libgcrypt-1.2.4/configure	2007-09-19 13:41:44.000000000 +0200
@@ -27370,12 +27370,13 @@
     i386-emx-os2 | i345686-pc-os2*emx | i386-pc-msdosdjgpp)
         ac_cv_sys_symbol_underscore=yes
         ;;
-    *)
+    *)if test -z "$ac_cv_sys_symbol_underscore";then
       if test "$cross_compiling" = yes; then
          ac_cv_sys_symbol_underscore=yes
       else
          tmp_do_check="yes"
       fi
+      fi
        ;;
 esac
 if test "$tmp_do_check" = "yes"; then