From ef85eea6912307a2434d03460dc03ac8e49dd224 Mon Sep 17 00:00:00 2001
From: Gary Talent <gary@drinkingtea.net>
Date: Sat, 7 Nov 2020 17:38:41 -0600
Subject: [PATCH] [nostalgia] Get Makefile working on Windows

---
 Makefile               | 50 ++++++++++++++++++++--------
 scripts/setup-build.py | 74 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 111 insertions(+), 13 deletions(-)
 create mode 100644 scripts/setup-build.py

diff --git a/Makefile b/Makefile
index 18f20678..b81daf20 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,15 @@
-OS=$(shell uname | tr [:upper:] [:lower:])
-HOST_ENV=${OS}-$(shell uname -m)
+ifeq (${OS},Windows_NT)
+	SHELL := powershell.exe
+	.SHELLFLAGS := -NoProfile -Command
+	OS=windows
+	HOST_ENV=${OS}
+	RM_RF=Remove-Item -ErrorAction Ignore -Recurse -Path
+else
+	OS=$(shell uname | tr [:upper:] [:lower:])
+	HOST_ENV=${OS}-$(shell uname -m)
+	RM_RF=rm -rf
+endif
+
 DEVENV=devenv$(shell pwd | sed 's/\//-/g')
 DEVENV_IMAGE=nostalgia-devenv
 ifndef VCPKG_DIR_BASE
@@ -14,12 +24,6 @@ ifneq ($(shell which docker 2> /dev/null),)
 	endif
 endif
 
-ifeq ($(OS),windows)
-	RM_RF=Remove-Item -ErrorAction Ignore -Path -Recurse
-else
-	RM_RF=rm -rf
-endif
-
 ifeq ($(OS),darwin)
 	NOSTALGIA_STUDIO=./dist/${CURRENT_BUILD}/nostalgia-studio.app/Contents/MacOS/nostalgia-studio
 	NOSTALGIA_STUDIO_PROFILE=dist/${CURRENT_BUILD}/nostalgia-studio.app/Contents/Resources/nostalgia-studio.json
@@ -93,36 +97,56 @@ devenv-shell:
 vcpkg: ${VCPKG_DIR} vcpkg-install
 
 ${VCPKG_DIR}:
+ifneq (,$(wildcard ${VCPKG_DIR}))
 	${ENV_RUN} ${RM_RF} ${VCPKG_DIR}
+endif
 	${ENV_RUN} mkdir -p ${VCPKG_DIR_BASE}
 	${ENV_RUN} git clone -b release --depth 1 --branch ${VCPKG_VERSION} https://github.com/microsoft/vcpkg.git ${VCPKG_DIR}
+ifneq (${OS},windows)
 	${ENV_RUN} ${VCPKG_DIR}/bootstrap-vcpkg.sh
+else
+	${ENV_RUN} ${VCPKG_DIR}/bootstrap-vcpkg.bat
+endif
 
 .PHONY: vcpkg-install
 vcpkg-install:
+ifneq (${OS},windows)
 	${VCPKG_DIR}/vcpkg install sdl2 jsoncpp
+else
+	${VCPKG_DIR}/vcpkg install --triplet x64-windows sdl2 jsoncpp
+endif
 
 .PHONY: configure-release
 configure-release:
+ifneq (,$(wildcard build/${HOST_ENV}-release))
 	${ENV_RUN} ${RM_RF} build/${HOST_ENV}-release
-	${ENV_RUN} ./scripts/setup-build ${HOST_ENV} release ${VCPKG_DIR}
+endif
+	${ENV_RUN} python ./scripts/setup-build.py ${HOST_ENV} release ${VCPKG_DIR}
 
 .PHONY: configure-debug
 configure-debug:
+ifneq (,$(wildcard build/${HOST_ENV}-debug))
 	${ENV_RUN} ${RM_RF} build/${HOST_ENV}-debug
-	${ENV_RUN} ./scripts/setup-build ${HOST_ENV} debug ${VCPKG_DIR}
+endif
+	${ENV_RUN} python ./scripts/setup-build.py ${HOST_ENV} debug ${VCPKG_DIR}
 
 .PHONY: configure-asan
 configure-asan:
+ifneq (,$(wildcard build/${HOST_ENV}-asan))
 	${ENV_RUN} ${RM_RF} build/${HOST_ENV}-asan
-	${ENV_RUN} ./scripts/setup-build ${HOST_ENV} asan ${VCPKG_DIR}
+endif
+	${ENV_RUN} python ./scripts/setup-build.py ${HOST_ENV} asan ${VCPKG_DIR}
 
 .PHONY: configure-gba
 configure-gba:
+ifneq (,$(wildcard build/gba-release))
 	${ENV_RUN} ${RM_RF} build/gba-release
-	${ENV_RUN} ./scripts/setup-build gba release ${VCPKG_DIR}
+endif
+	${ENV_RUN} python ./scripts/setup-build.py gba release ${VCPKG_DIR}
 
 .PHONY: configure-gba-debug
 configure-gba-debug:
+ifneq (,$(wildcard build/gba-debug))
 	${ENV_RUN} ${RM_RF} build/gba-debug
-	${ENV_RUN} ./scripts/setup-build gba debug ${VCPKG_DIR}
+endif
+	${ENV_RUN} python ./scripts/setup-build.py gba debug ${VCPKG_DIR}
diff --git a/scripts/setup-build.py b/scripts/setup-build.py
new file mode 100644
index 00000000..85164441
--- /dev/null
+++ b/scripts/setup-build.py
@@ -0,0 +1,74 @@
+#! /usr/bin/env python3
+
+import os
+import platform
+import shutil
+import subprocess
+import sys
+
+target = sys.argv[1]
+build_type = sys.argv[2]
+vcpkg_dir = sys.argv[3]
+
+project = os.getcwd()
+
+def mkdir(path):
+    if not os.path.exists(path) and os.path.isdir(path):
+        os.mkdir(path)
+
+def rm(path):
+    if os.path.exists(path) or os.path.islink(path):
+        os.remove(path)
+
+if target == 'gba':
+    toolchain = '-DCMAKE_TOOLCHAIN_FILE=cmake/modules/GBA.cmake'
+    nostalgia_build_type = 'GBA'
+else:
+    toolchain = '-DCMAKE_TOOLCHAIN_FILE={:s}/scripts/buildsystems/vcpkg.cmake'.format(vcpkg_dir)
+    nostalgia_build_type = 'Native'
+
+if build_type == 'asan':
+    build_type_arg = 'Debug'
+    sanitizer_status = 'ON'
+elif build_type == 'debug':
+    build_type_arg = 'Debug'
+    sanitizer_status = 'OFF'
+elif build_type == 'release':
+    build_type_arg = 'Release'
+    sanitizer_status = 'OFF'
+
+
+build_config = '{:s}-{:s}'.format(target, build_type)
+
+if 'NOSTALGIA_QT_PATH' in os.environ:
+    qt_path = '-DNOSTALGIA_QT_PATH={:s}'.format(os.environ['NOSTALGIA_QT_PATH'])
+else:
+    qt_path = ''
+
+if shutil.which('ninja') == None:
+    build_tool = ''
+else:
+    build_tool = '-GNinja'
+
+build_dir = '{:s}/build/{:s}'.format(project, build_config)
+mkdir(build_dir)
+subprocess.run(['cmake', '-S', project, '-B', build_dir, build_tool,
+        '-DCMAKE_EXPORT_COMPILE_COMMANDS=ON',
+        '-DCMAKE_BUILD_TYPE={:s}'.format(build_type_arg),
+        '-DUSE_ASAN={:s}'.format(sanitizer_status),
+        '-DNOSTALGIA_IDE_BUILD=OFF',
+        '-DNOSTALGIA_BUILD_CONFIG={:s}'.format(build_config),
+        '-DNOSTALGIA_BUILD_TYPE={:s}'.format(nostalgia_build_type),
+        qt_path,
+        toolchain,
+    ])
+
+mkdir('dist')
+if target != 'gba':
+    cb = open('.current_build', 'w')
+    cb.write(build_type)
+    cb.close()
+
+rm('compile_commands.json')
+if platform.system() != 'Windows':
+    os.symlink('build/{:s}/compile_commands.json'.format(build_config), 'compile_commands.json')