Etapa G: libs C de compresión/cripto — zstd+xz+bzip2+libsodium (corpus 242→246)

zstd 1.5.7 (libzstd.a — zstd-sys en montones de crates), xz 5.8.3 (liblzma.a),
bzip2 1.0.8 (libbz2.a), libsodium 1.0.22 (libsodium.a). Compresión/cripto =
deps de muchísima cola C + crates -sys. compiler=gcc, estáticas.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

recipes/bzip2.toml

@@ -0,0 +1,15 @@
+# bzip2 1.0.8 → libbz2.a (C, Makefile custom sin configure). Lib base: compresión .bz2, cola C.
+# De-Alpinizada: compiler=gcc, make directo, install con PREFIX (el Makefile no usa DESTDIR).
+name    = "bzip2"
+version = "1.0.8"
+[source]
+tarball = "https://sourceware.org/pub/bzip2/bzip2-1.0.8.tar.gz"
+sha256  = "ab5a03176ee106d3f0fa90e381da478ddae405918153cca248e682cd0c4a2269"
+[build]
+compiler = "gcc"
+target   = "x86_64-linux-musl"
+link     = "static"
+flags    = []
+[build.phases]
+compile = 'make CC=gcc'
+install = 'make install PREFIX=/out/usr'