[build] Add build knowledge of dynamic libraries

Bonnibel will now build dynamic libraries when they're dependencies for
non-statically linked modules. It will also copy those shared libraries
into the initrd image for programs being copied into the image.

src/boot/boot.module

@@ -2,9 +2,10 @@
 
 boot = module("boot",
     kind = "exe",
-    output = "boot.efi",
+    outfile = "boot.efi",
     targets = [ "boot" ],
     deps = [ "cpu", "elf", "util", "bootproto" ],
+    static = True,
     sources = [
         "allocator.cpp",
         "bootconfig.cpp",

src/kernel/kernel.module

@@ -1,12 +1,12 @@
 # vim: ft=python
 
 kernel = module("kernel",
-    kind = "exe",
     default = True,
-    output = "jsix.elf",
+    basename = "jsix",
     targets = [ "kernel" ],
     description = "jsix kernel",
     deps = [ "util", "cpu", "bootproto", "j6" ],
+    static = True,
     ld_script = "kernel.ld",
     sources = [
         "apic.cpp",

src/kernel/panic.serial/serial.module

@@ -1,9 +1,9 @@
 # vim: ft=python
 
 panic = module("panic.serial",
-    kind = "exe",
     targets = [ "kernel" ],
     deps = [ "util", "elf", "kernel" ],
+    static = True,
     includes = [ ".." ],
     description = "Serial panic handler",
     ld_script = "panic.serial.ld",

src/libraries/bootproto/bootproto.module

@@ -1,7 +1,7 @@
 # vim: ft=python
 
 bp = module("bootproto",
-    kind = "lib",
+    kind = "headers",
     public_headers = [
         "bootproto/acpi.h",
         "bootproto/bootconfig.h",

src/libraries/libc_free/libc_free.module

@@ -1,7 +1,8 @@
 # vim: ft=python
 
 libc_free = module("libc_free",
-    kind = "lib",
+    kind = "headers",
+    basename = "libc_free",
     no_libc = True,
     include_phase = "late",
     public_headers = [

src/user/ld.so/ld.so.module

@@ -1,8 +1,9 @@
 # vim: ft=python
 
 ldso = module("ld.so",
-    kind = "shared",
-    output = "ld.so",
+    kind = "lib",
+    static = True,
+    basename = "ld",
     targets = [ "user" ],
     deps = [ "libc", "util", "elf" ],
     description = "Dynamic Linker",
@@ -12,4 +13,4 @@ ldso = module("ld.so",
         "start.s",
     ])
 
-ldso.variables["ldflags"] = ["${ldflags}", "--entry=_ldso_start"]
+ldso.variables["ldflags"] = ["${ldflags}", "--entry=_ldso_start"]

src/user/srv.init/init.module

@@ -3,6 +3,7 @@
 init = module("srv.init",
     targets = [ "init" ],
     deps = [ "libc", "elf", "bootproto", "zstd" ],
+    static = True,
     description = "Init server",
     ld_script = "init.ld",
     sources = [