Update to new recipe system (S++ 2.0).

recipes/boost/recipe.py

@@ -1,12 +1,57 @@
 
-import os
+
+import json
+import re
+import requests
 from SCons.Script import *
 
-def cook(env: Environment, version: str = "1.85.0") -> dict:
-    # TODO: build binaries?
-    url = f'https://archives.boost.io/release/{version}/source/boost_{version.replace(".", "_")}.tar.gz'
-    repo = env.DownloadAndExtract(f'boost_{version}', url = url, skip_folders = 1)
+_VERSIONS_URL = 'https://api.github.com/repos/boostorg/boost/releases'
+_VERSION_PATTERN = re.compile(r'^boost-([0-9]+)\.([0-9]+)\.([0-9]+)$')
+
+def versions(env: Environment, update: bool = False):
+    versions_file = os.path.join(env['DOWNLOAD_DIR'], 'boost_versions.json')
+    if update or not os.path.exists(versions_file):
+        req = requests.get(_VERSIONS_URL)
+        versions_data = json.loads(req.text)
+        result = []
+        for version_data in versions_data:
+            match = _VERSION_PATTERN.match(version_data['name'])
+            if not match:
+                continue
+            result.append((int(match.groups()[0]), int(match.groups()[1]), int(match.groups()[2])))
+        with open(versions_file, 'w') as f:
+            json.dump(versions, f)
+        return result
+    else:
+        with open(versions_file, 'r') as f:
+            return [tuple(v) for v in json.load(f)]
+
+def dependencies(env: Environment, version) -> 'dict':
+    return {}
+
+def cook(env: Environment, version) -> dict:
+    if env.get('BOOST_LIBS') is None:
+        raise Exception('BOOST_LIBS not set. Set to a list of boost libs to link or "*" to link everything.')
+    if version >= (1, 85, 0):
+        url = f'https://github.com/boostorg/boost/releases/download/boost-{version[0]}.{version[1]}.{version[2]}/boost-{version[0]}.{version[1]}.{version[2]}-cmake.tar.gz'
+    else:
+        url = f'https://github.com/boostorg/boost/releases/download/boost-{version[0]}.{version[1]}.{version[2]}/boost-{version[0]}.{version[1]}.{version[2]}.tar.gz'
+    repo = env.DownloadAndExtract(f'boost_{version[0]}.{version[1]}.{version[2]}', url = url, skip_folders = 1)
     checkout_root = repo['extracted_root']
+    build_result = env.CMakeProject(checkout_root)
+
+    libs = []
+    if '*' in env['BOOST_LIBS']:
+        lib_dir = build_result['LIBPATH'][0]
+        for lib_file in os.listdir(lib_dir):
+            fname = os.path.join(lib_dir, lib_file)
+            if not os.path.isfile(fname):
+                continue
+            libs.append(fname)
+    else:
+        for lib in set(env['BOOST_LIBS']):
+            libs.append(env.FindLib(f'boost_{lib}', paths=build_result['LIBPATH']))
     return {
-        'CPPPATH': [checkout_root]
+        'CPPPATH': build_result['CPPPATH'],
+        'LIBS': libs
     }