Added DXC recipe.

recipes/dxc/recipe.py

@@ -0,0 +1,31 @@
+
+
+import re
+from SCons.Script import *
+
+
+def _git_cook(env: Environment, repo: dict) -> dict:
+    checkout_root = repo['checkout_root']
+    build_result = env.CMakeProject(checkout_root, generate_args = [
+        f'-C{repo['checkout_root']}/cmake/caches/PredefinedParams.cmake',
+        '-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON'
+    ])
+
+    link_flags = []
+    if env['COMPILER_FAMILY'] in ('gcc', 'clang') and env['BUILD_TYPE'] != 'release':
+        link_flags.append(f'-Wl,-rpath,{build_result["LIBPATH"][0]}')
+    return {
+        'CPPPATH': build_result['CPPPATH'],
+        'LIBS': [env.FindLib('dxcompiler', type='shared', paths=build_result['LIBPATH'])],
+        'LINKFLAGS': link_flags
+    }
+
+
+env.GitRecipe(
+    globals = globals(),
+    repo_name = 'dxc',
+    repo_url = 'https://github.com/microsoft/DirectXShaderCompiler.git',
+    tag_pattern = re.compile(r'^v([0-9]+)\.([0-9]+)\.([0-9]+)$'),
+    tag_fn = lambda version: f'v{version[0]}.{version[1]}.{version[2]}',
+    cook_fn = _git_cook
+)