Added common recipe for building CMake projects. And added Catch2 recipe.

recipes/Catch2/recipe.py

@@ -0,0 +1,21 @@
+
+from SCons.Script import *
+
+def cook(env: Environment, git_ref: str = 'master', own_main: bool = False) -> dict:
+    repo = env.Cook('GitBranch', repo_name = 'catch2', remote_url = 'https://github.com/catchorg/Catch2.git', git_ref = git_ref)
+    checkout_root = repo['checkout_root']
+    build_result = env.Cook('CMakeProject', project_root=checkout_root)
+
+    lib_name = {
+        'debug': 'Catch2d'
+    }.get(env['BUILD_TYPE'], 'Catch2')
+    libs = [lib_name]
+    if not own_main:
+        libs.append({
+            'debug': 'Catch2Maind'
+        }.get(env['BUILD_TYPE'], 'Catch2Main'))
+    return {
+        'LIBPATH': build_result['LIBPATH'],
+        'CPPPATH': build_result['CPPPATH'],
+        'LIBS': libs
+    }