Use implicit mkdir.

esp32/BUILD

@@ -15,7 +15,6 @@
 ESP32_FILES = []
 
 # Main .ino file.
-Mkdir('esp32/ESP32forth')
 ESP32_FILES += [
   Importation('esp32/ESP32forth/README.txt',
               '$src/esp32/README.txt'),
@@ -26,7 +25,6 @@ ESP32_FILES += [
 Importation('gen/esp32_boot.h', '$src/esp32/esp32_boot.fs', name='boot')
 
 # Optional Compontents.
-Mkdir('esp32/ESP32forth/optional')
 ESP32_FILES += [
   Importation('esp32/ESP32forth/optional/README-optional.txt',
               '$src/esp32/optional/README-optional.txt'),
@@ -48,7 +46,6 @@ ESP32_FILES += [
 ]
 
 # Simulator.
-Mkdir('esp32-sim')
 ESP32_FILES += [
   Compile('esp32-sim/esp32-sim', '$src/esp32/sim_main.cpp',
           implicit=['gen/esp32_boot.h', 'gen/esp32_sim_opcodes.h'])

tools/configure.py

@@ -150,10 +150,6 @@ WIN_CFLAGS = {' '.join(WIN_CFLAGS)}
 WIN_LFLAGS32 = {' '.join(WIN_LFLAGS32)}
 WIN_LFLAGS64 = {' '.join(WIN_LFLAGS64)}
 
-rule mkdir
-  description = mkdir
-  command = mkdir -p $out
-
 rule importation
   description = importation
   depfile = $out.d
@@ -169,28 +165,28 @@ rule compile
 rule compile_win32
   description = WIN_CL32
   deps = msvc
-  command = $WIN_CL32 /showIncludes /nologo /c /Fo$out $WIN_CFLAGS $in
+  command = $WIN_CL32 /showIncludes /nologo /c /Fo$out $WIN_CFLAGS $in && touch $out
 
 rule compile_win64
   description = WIN_CL64
   deps = msvc
-  command = $WIN_CL64 /showIncludes /nologo /c /Fo$out $WIN_CFLAGS $in >/dev/null
+  command = $WIN_CL64 /showIncludes /nologo /c /Fo$out $WIN_CFLAGS $in && touch $out
 
 rule link_win32
   description = WIN_LINK32
-  command = $WIN_LINK32 /nologo /OUT:$out $WIN_LFLAGS32 $in && chmod a+x $out
+  command = $WIN_LINK32 /nologo /OUT:$out $WIN_LFLAGS32 $in && touch $out && chmod a+x $out
 
 rule link_win64
   description = WIN_LINK64
-  command = $WIN_LINK64 /nologo /OUT:$out $WIN_LFLAGS64 $in && chmod a+x $out
+  command = $WIN_LINK64 /nologo /OUT:$out $WIN_LFLAGS64 $in && touch $out && chmod a+x $out
 
 rule rc_win32
   description = WIN_RC32
-  command = $WIN_RC32 /nologo /i $src /fo $out $in
+  command = $WIN_RC32 /nologo /i $src /fo $out $in && touch $out
 
 rule rc_win64
   description = WIN_RC64
-  command = $WIN_RC64 /nologo /i $src /fo $out $in
+  command = $WIN_RC64 /nologo /i $src /fo $out $in && touch $out
 
 rule run
   description = RUN
@@ -204,16 +200,9 @@ rule convert_image
   description = IMAGE_CONVERT
   command = convert $in $out
 
-build gen: mkdir
-
 """
 
 
-def Mkdir(path):
-  global output
-  output += 'build ' + path + ': mkdir\n'
-
-
 def Importation(target, source, header_mode='cpp', name=None, keep=False, deps=None, implicit=[]):
   global output
   options = ''
@@ -221,9 +210,8 @@ def Importation(target, source, header_mode='cpp', name=None, keep=False, deps=N
     options += '--keep-first-comment'
   if name:
     options += ' --name ' + name + ' --header ' + header_mode
-  outdir = os.path.dirname(target)
   implicit = ' '.join(implicit)
-  output += f'build {target}: importation {source} | {outdir} {implicit}\n'
+  output += f'build {target}: importation {source} | {implicit}\n'
   if options:
     output += f'  options = {options}\n'
   if deps:
@@ -232,23 +220,21 @@ def Importation(target, source, header_mode='cpp', name=None, keep=False, deps=N
 
 
 def Esp32Optional(main_name, main_source, parts):
+  parts = []
   for name, source in parts:
-    Importation('gen/esp32_' + name + '.h',
-                source, name=name.replace('-', '_') + '_source')
-  if not main_source:
-    main_source = 'gen/esp32_' + main_name + '.h'
+    parts.append(Importation('gen/esp32_' + name + '.h',
+                             source, name=name.replace('-', '_') + '_source'))
   return Importation('esp32/ESP32forth/optional/' + main_name + '.h',
-              main_source,
-            keep=True,
-            deps='gen/esp32_optional_' + main_name + '.h.d',
-            implicit=['gen/esp32_' + i + '.h' for i, _ in parts])
+                     main_source,
+                     keep=True,
+                     deps='gen/esp32_optional_' + main_name + '.h.d',
+                     implicit=parts)
 
 
 def Simple(op, target, source, implicit=[]):
   global output
-  outdir = os.path.dirname(target)
   implicit = ' '.join(implicit)
-  output += f'build {target}: {op} {source} | {outdir} {implicit}\n'
+  output += f'build {target}: {op} {source} | {implicit}\n'
   return target
 
 
@@ -308,7 +294,6 @@ def Default(target):
 
 
 def Include(path):
-  Mkdir(path)
   path = os.path.join(ROOT_DIR, path, 'BUILD')
   data = open(path).read()
   exec(data)

windows/BUILD

@@ -33,7 +33,6 @@ LinkW64('windows/uEf64.exe',
         ' '.join(['windows/uEf64.obj', 'resources/ueforth_res64.res']))
 
 # Create icon.
-Mkdir('resources')
 ICON_SIZES = [
   ResizeImage('resources/eforth16x16.png', '$src/images/eforth.png', '16x16'),
   ResizeImage('resources/eforth32x32.png', '$src/images/eforth.png', '32x32'),