rust-teeny(opt): optimize size further

rust-teeny/justfile

@@ -11,7 +11,7 @@ build:
         -Zlocation-detail=none -Zfmt-debug=none \
         \
         -Clinker=clang -Clink-arg=-fuse-ld=lld \
-        -Clink-arg=-Wl,--gc-sections -Clink-arg=-Wl,--strip-all \
+        -Clink-arg=-Wl,--gc-sections -Clink-arg=-Wl,--as-needed -Clink-arg=-Wl,--strip-all -Clink-arg=-Wl,--build-id=none \
         \
         -Cpanic=immediate-abort --remap-path-prefix=$PWD=[src] \
     " cargo \
@@ -21,6 +21,17 @@ build:
         \
         b -r --target {{ target }}
 
+    # Base, does like nothing
+    strip --strip-all --strip-unneeded target/{{ target }}/release/rust-teeny
+
+    # BS, I don't want these
+    strip -R .comment -R .note.\* target/{{ target }}/release/rust-teeny
+
+    # Only OK because we don't do unwinding
+    strip -R .eh_frame\* target/{{ target }}/release/rust-teeny
+
+    # Not sure why .gnu.version and .gnu.hash don't break if I remove them in my machine, but that's very relative and its related to dynamic loading, but they could reduce size by `0.2 KiB`
+
 stat:
     stat target/{{ target }}/release/rust-teeny