From 2c726611a0e31168081c90cae9d9847e3300f6d3 Mon Sep 17 00:00:00 2001
From: Brad Nelson <flagxor@gmail.com>
Date: Fri, 22 Dec 2023 18:31:38 -0800
Subject: [PATCH] Progress towards ninja build.

---
 Makefile           |   5 ++
 tools/configure.py | 135 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 140 insertions(+)
 create mode 100755 tools/configure.py

diff --git a/Makefile b/Makefile
index 2e544a1..5f92fce 100644
--- a/Makefile
+++ b/Makefile
@@ -166,6 +166,11 @@ fast: posix esp32_sim esp32
 targets: $(TARGETS)
 tests: $(TESTS)
 
+n:
+	mkdir -p out
+	tools/configure.py >out/build.ninja
+	ninja -C out/
+
 clean-esp32:
 	rm -rf $(ESP32)/esp32*_build $(ESP32)/esp32*_cache
 
diff --git a/tools/configure.py b/tools/configure.py
new file mode 100755
index 0000000..9572125
--- /dev/null
+++ b/tools/configure.py
@@ -0,0 +1,135 @@
+#! /usr/bin/env python3
+# Copyright 2023 Bradley D. Nelson
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import sys
+import subprocess
+
+VERSION = '7.0.7.16'
+STABLE_VERSION = '7.0.6.19'
+OLD_STABLE_VERSION = '7.0.5.4'
+
+REVISION = 'TODO'
+#REVISION=$(shell git rev-parse HEAD | head -c 20)
+#REVSHORT=$(shell echo $(REVISION) | head -c 7)
+
+CFLAGS_COMMON = [
+  '-O2',
+  '-I', './',
+  '-I', '../',
+]
+
+CFLAGS_MINIMIZE = [
+  '-s',
+  '-DUEFORTH_MINIMAL',
+  '-fno-exceptions',
+  '-ffreestanding',
+  '-fno-stack-protector',
+  '-fomit-frame-pointer',
+  '-fno-ident',
+  '-ffunction-sections', '-fdata-sections',
+  '-fmerge-all-constants',
+]
+
+if sys.platform == 'linux':
+  CFLAGS_MINIMIZE.append('-Wl,--build-id=none')
+
+CFLAGS = CFLAGS_COMMON + CFLAGS_MINIMIZE + [
+  '-std=c++11',
+  '-Wall',
+  '-Werror',
+  '-no-pie',
+  '-Wl,--gc-sections',
+]
+
+if sys.platform == 'darwin':
+  CFLAGS += [
+    '-Wl,-dead_strip',
+    '-D_GNU_SOURCE',
+  ]
+elif sys.platform == 'linux':
+  CFLAGS += [
+    '-s',
+    '-Wl,--gc-sections',
+    '-no-pie',
+    '-Wl,--build-id=none',
+  ]
+
+STRIP_ARGS = ['-S']
+if sys.platform == 'darwin':
+  STRIP_ARGS += ['-x']
+elif sys.platform == 'linux':
+  STRIP_ARGS += [
+    '--strip-unneeded',
+    '--remove-section=.note.gnu.gold-version',
+    '--remove-section=.comment',
+    '--remove-section=.note',
+    '--remove-section=.note.gnu.build-id',
+    '--remove-section=.note.ABI-tag',
+  ]
+
+LIBS = ['-ldl']
+
+output = """
+
+version = %(version)s
+revision = %(revision)s
+cflags = %(cflags)s
+strip_args = %(strip_args)s
+libs = %(libs)s
+
+rule mkdir
+  description = mkdir
+  command = mkdir -p $out
+
+rule source_to_string
+  description = source_to_string
+  command = ../tools/source_to_string.js $name $version $revision $in >$out
+
+rule importation
+  description = import
+  depfile = $out.dd
+  command = ../tools/importation.py $in $out -I . -I .. --depsout $out.dd --set-version $version --set-revision $revision
+
+build gen: mkdir
+
+""" % {
+  'version': VERSION,
+  'revision': REVISION,
+  'cflags': ' '.join(CFLAGS),
+  'strip_args': ' '.join(STRIP_ARGS),
+  'libs': ' '.join(LIBS),
+}
+
+def ForthHeader(target, name, source):
+  global output
+  output += """
+build %(target)s: source_to_string %(target)s.merged | gen
+  name = %(name)s
+
+build %(target)s.merged: importation %(source)s | gen
+""" % {
+    'target': target,
+    'source': os.path.join('..', source),
+    'name': name,
+  }
+
+ForthHeader('gen/posix_boot.h', 'boot', 'posix/posix_boot.fs')
+ForthHeader('gen/window_boot.h', 'boot', 'windows/windows_boot.fs')
+ForthHeader('gen/window_boot_extra.h', 'boot_extra', 'windows/windows_boot_extra.fs')
+ForthHeader('gen/pico_ice_boot.h', 'boot', 'pico-ice/pico_ice_boot.fs')
+ForthHeader('gen/esp32_boot.h', 'boot', 'esp32/esp32_boot.fs')
+
+print(output)