pkg download command and patches

assets/var/gnu/gcc.md

@@ -10,7 +10,7 @@ rg -l "/lib64/ld-linux-x86-64.so.2" ./ | xargs sed -i 's|/lib64/ld-linux-x86-64.
 mkdir -p build
 cd build
 ../configure \
-    --prefix=/pkg/gnu/gcc \
+    --prefix=$pkgpath \
     --disable-multilib \
     --enable-languages=c,c++,fortran \
     --disable-werror
@@ -20,6 +20,7 @@ make install
 
 ``` sh *** config ***
 ln bin/gcc bin/cc
+ln -s lib lib64
 ```
 
 ``` cfg *** build deps ***