fix(steps-guix/libtasn1): bootstrap with local gnulib bundle via GNULIB_SRCDIR and no-git

steps-guix/libtasn1-v4.21.0/pass1.sh

@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_prepare() {
+    default
+
+    GNULIB_SRCDIR="$(realpath ../gnulib-e93789d)" \
+    ./bootstrap --no-git
+}
+
+src_configure() {
+    local host_triplet
+    host_triplet="$(gcc -dumpmachine)"
+
+    PATH="${PREFIX}/bin:/usr/bin:/bin" \
+    ./configure \
+        --prefix="${PREFIX}" \
+        --libdir="${LIBDIR}" \
+        --host="${host_triplet}" \
+        --build="${host_triplet}"
+}
+
+src_compile() {
+    default_src_compile
+}
+
+src_install() {
+    default_src_install
+}

steps-guix/libtasn1-v4.21.0/sources

@@ -0,0 +1,2 @@
+f https://ftp.gnu.org/gnu/libtasn1/libtasn1-v4.21.0-src.tar.gz 06f7d0f77b38db3b6b17a3d54d590874e5e589bea8081329a8a3acfbec3dfe21 libtasn1-v4.21.0-src.tar.gz
+g https://https.git.savannah.gnu.org/git/gnulib.git~e93789db7e86c51d6cb9683ea508e676a55cdefa _ 33288ab97229f9f957fe45256edc1e295cb4f86e355af02ea73c1085b0470dd3 gnulib-e93789d.tar.gz

steps-guix/manifest

@@ -19,8 +19,8 @@ build: guile-gcrypt-0.5.0
 build: git-2.53.0
 build: cmake-4.2.3
 build: libgit2-1.9.2
-# build: nettle-3.10.2
-# build: libtasn1-v4.21.0
-# build: p11-kit-0.26.2
-# build: 
+build: nettle-3.10.2
+build: libtasn1-v4.21.0
+build: p11-kit-0.26.2
+
 improve: after

steps-guix/nettle-3.10.2/pass1.sh

@@ -0,0 +1,26 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_prepare() {
+    default
+}
+
+src_configure() {
+    local host_triplet
+    host_triplet="$(gcc -dumpmachine)"
+
+    PATH="${PREFIX}/bin:/usr/bin:/bin" \
+    ./configure \
+        --prefix="${PREFIX}" \
+        --libdir="${LIBDIR}" \
+        --host="${host_triplet}" \
+        --build="${host_triplet}" \
+        --disable-documentation
+}
+
+src_compile() {
+    default_src_compile
+}
+
+src_install() {
+    default_src_install
+}

steps-guix/nettle-3.10.2/sources

@@ -0,0 +1 @@
+f https://ftp.gnu.org/gnu/nettle/nettle-3.10.2.tar.gz fe9ff51cb1f2abb5e65a6b8c10a92da0ab5ab6eaf26e7fc2b675c45f1fb519b5