Ninja-based system now builds the disk images

scripts/templates/program.boot.ninja.j2

@@ -3,16 +3,23 @@
 {{ super() }}
 
 cflags = $cflags $
-	-DKERNEL_FILENAME=L\"popcorn.elf\" $
-	-DGNU_EFI_USE_MS_ABI $
-	-DHAVE_USE_MS_ABI $
-	-DEFI_DEBUG=0 $
-	-DEFI_DEBUG_CLEAR_MEMORY=0 $
-	-fPIC $
-	-fshort-wchar
+    -DKERNEL_FILENAME=L\"popcorn.elf\" $
+    -DGNU_EFI_USE_MS_ABI $
+    -DHAVE_USE_MS_ABI $
+    -DEFI_DEBUG=0 $
+    -DEFI_DEBUG_CLEAR_MEMORY=0 $
+    -fPIC $
+    -fshort-wchar
 
 ldflags = $ldflags $
-	-shared $
-	-T ${srcroot}/src/arch/x86_64/boot.ld
+    -shared $
+    -T ${srcroot}/src/arch/x86_64/boot.ld
+
+{% endblock %}
+
+{% block extra %}
+
+build $builddir/boot.efi : makeefi ${builddir}/{{ module.output }}
+    name = boot.efi
 
 {% endblock %}