add libtasn1 to example extension

example_extension/build_order.txt

@@ -1,6 +1,7 @@
 # build_order.txt
 # <scriptname> (without .sh)
 
+libtasn1
 makeca_install MAKECA
 p11kit
 makeca_certs MAKECA

example_extension/packages.sh

@@ -3,6 +3,7 @@
 
 export PKG_LYNX=https://invisible-mirror.net/archives/lynx/tarballs/lynx2.8.9rel.1.tar.bz2
 export PATCH_LYNX=https://www.linuxfromscratch.org/patches/blfs/11.1/lynx-2.8.9rel.1-security_fix-1.patch
+export PKG_LIBTASN1=https://ftp.gnu.org/gnu/libtasn1/libtasn1-4.18.0.tar.gz
 export PKG_P11KIT=https://github.com/p11-glue/p11-kit/releases/download/0.24.1/p11-kit-0.24.1.tar.xz
 export PKG_MAKECA=https://github.com/lfs-book/make-ca/releases/download/v1.10/make-ca-1.10.tar.xz
 export PKG_CURL=https://curl.se/download/curl-7.81.0.tar.xz

example_extension/scripts/libtasn1.sh

@@ -0,0 +1,13 @@
+# libtasn1
+
+./configure --prefix=/usr --disable-static
+make
+
+if $RUN_TESTS
+then
+    make check
+fi
+
+make install
+
+make -C doc/reference install-data-local