diff --git a/packages/aws-lc/pkgbuild.py b/packages/aws-lc/pkgbuild.py
index 2cf1fd5..e5a7891 100644
--- a/packages/aws-lc/pkgbuild.py
+++ b/packages/aws-lc/pkgbuild.py
@@ -56,6 +56,7 @@ package("aws-lc-tools")
 cpp.use_auto_pack(["bin"])
 dep("aws-lc-libcrypto (same)")
 dep("aws-lc-libssl (same)")
+dep("libcxx @same-arch")
 
 package("aws-lc-dev")
 cpp.use_auto_pack(["dev"])
diff --git a/packages/mandoc/pkgbuild.py b/packages/mandoc/pkgbuild.py
index 95f2ded..37422b5 100644
--- a/packages/mandoc/pkgbuild.py
+++ b/packages/mandoc/pkgbuild.py
@@ -21,4 +21,5 @@ def build():
 on_build(build)
 
 package("mandoc")
+dep("libz @same-arch")
 cpp.use_auto_pack(["bin"])
diff --git a/packages/semios-assembly/empty.tar b/packages/semios-assembly/empty.tar
new file mode 100644
index 0000000..9f127db
Binary files /dev/null and b/packages/semios-assembly/empty.tar differ
diff --git a/packages/semios-assembly/pkgbuild.py b/packages/semios-assembly/pkgbuild.py
new file mode 100644
index 0000000..96295ea
--- /dev/null
+++ b/packages/semios-assembly/pkgbuild.py
@@ -0,0 +1,42 @@
+import os
+
+from lib.make import *
+from lib import arch
+
+def deplinux(s):
+    if "linux" in arch.get_target():
+        dep(s)
+
+version("1.0.0")
+source_url(f"file://{os.getcwd()}/empty.tar")
+
+on_build(lambda: print("Building virtual package `semios-assembly`..."))
+
+package("SemiOS.Assembly.CoreRuntime")
+deplinux("semi-libc @same-arch")
+deplinux("libgcc-compat @same-arch")
+dep("libunwind @same-arch")
+dep("mksh @same-arch")
+dep("coreutils @same-arch")
+dep("findutils @same-arch")
+dep("diffutils @same-arch")
+dep("grep @same-arch")
+dep("packie @same-arch")
+dep("iana-timezone-db")
+on_pack(lambda _: print("Packing virtual package `SemiOS.Assembly.CoreRuntime`..."))
+
+package("SemiOS.Assembly.Cli")
+dep("less @same-arch")
+dep("ncurses-tools @same-arch")
+dep("ncurses-terminfo")
+dep("mandoc @same-arch")
+dep("neatvi @same-arch")
+on_pack(lambda _: print("Packing virtual package `SemiOS.Assembly.Cli`..."))
+
+package("SemiOS.Assembly.Networking")
+dep("aws-lc-libssl @same-arch")
+dep("aws-lc-tools @same-arch")
+dep("ca-certificates")
+dep("certutil @same-arch")
+deplinux("iproute2 @same-arch")
+on_pack(lambda _: print("Packing virtual package `SemiOS.Assembly.Networking`..."))