Added recipes for some Linux system libraries.

SConscript

@@ -179,6 +179,30 @@ def _make_interface(env: Environment, dependencies: list = []):
         'CPPDEFINES': kwargs.get('CPPDEFINES', [])
     }
 
+def _exe_filename(env: Environment, name: str, type: str = 'static') -> str:
+    if os.name == 'posix':
+        return name
+    elif os.name == 'nt':
+        return f'{name}.exe'
+    else:
+        raise Exception('What OS is this?')
+
+def _find_executable(env: Environment, name: str, paths: 'list[str]', type : str = 'static', allow_fail: bool = False, use_glob: bool = False):
+    fname = _exe_filename(env, name, type)
+    for path in paths:
+        lib_path = os.path.join(path, fname)
+        if use_glob:
+            files = glob.glob(lib_path)
+            if len(files) == 1:
+                return files[0]
+            elif len(files) > 1:
+                raise Exception(f'Multiple candidates found for executable with name {name} in paths: "{", ".join(paths)}" with name: "{", ".join(files)}".')
+        elif os.path.exists(lib_path):
+            return lib_path
+    if allow_fail:
+        return None
+    raise Exception(f'Could not find executable with name {name} in paths: "{", ".join(paths)}" filename: "{fname}".')
+
 def _lib_filename(env: Environment, name: str, type: str = 'static') -> str:
     if os.name == 'posix':
         ext = {
@@ -239,7 +263,7 @@ def _try_merge_dicts(dictA: dict, dictB: dict) -> 'dict|None':
     return result
 
 
-def _find_common_depenency_version(name: str, versionA: _VersionSpec, versionB: _VersionSpec) -> _VersionSpec:
+def _find_common_dependency_version(name: str, versionA: _VersionSpec, versionB: _VersionSpec) -> _VersionSpec:
     options = _try_merge_dicts(versionA.options, versionB.options)
     if options is None:
         return None
@@ -272,13 +296,13 @@ def _can_add_dependency(env: Environment, name: str, version_spec: _VersionSpec)
     if name not in env['SPP_DEPENDENCIES']:
         return True
     dependency = env['SPP_DEPENDENCIES'][name]
-    common_version_spec = _find_common_depenency_version(name, dependency.version_spec, version_spec)
+    common_version_spec = _find_common_dependency_version(name, dependency.version_spec, version_spec)
     return common_version_spec is not None
 
 def _add_dependency(env: Environment, name: str, version_spec: _VersionSpec) -> _Dependency:
     if name in env['SPP_DEPENDENCIES']:
         dependency = env['SPP_DEPENDENCIES'][name]
-        common_version_spec = _find_common_depenency_version(name, dependency.version_spec, version_spec)
+        common_version_spec = _find_common_dependency_version(name, dependency.version_spec, version_spec)
         if common_version_spec is None:
             raise Exception(f'Incompatible versions detected for {name}: {dependency.version_spec} and {version_spec}')
         if dependency.version_spec != common_version_spec:
@@ -938,6 +962,7 @@ env.AddMethod(_rglob, 'RGlob')
 env.AddMethod(_deps_from_json, 'DepsFromJson')
 env.AddMethod(_make_interface, 'MakeInterface')
 env.AddMethod(_lib_filename, 'LibFilename')
+env.AddMethod(_find_executable, 'FindExecutable')
 env.AddMethod(_find_lib, 'FindLib')
 env.AddMethod(_error, 'Error')
 env.AddMethod(_wrap_builder(env.Library, TargetType.STATIC_LIBRARY), 'Library')

addons/cmake_project.py

@@ -98,6 +98,7 @@ def _cmake_project(env: Environment, project_root: str, generate_args: 'list[str
 
     return {
         'install_dir': install_dir,
+        'BINPATH': [os.path.join(install_dir, 'bin')],
         'LIBPATH': libpath,
         'CPPPATH': [os.path.join(install_dir, 'include')]
     }

addons/gitbranch.py

@@ -21,19 +21,26 @@ def _clone(env: Environment, repo_name: str, remote_url: str):
 def _git_branch(env: Environment, repo_name: str, remote_url: str, git_ref: str = 'main') -> dict:
     repo, origin = _clone(env, repo_name, remote_url)
     worktree_dir = os.path.join(env['CLONE_DIR'], 'git', repo_name, hashlib.shake_128(git_ref.encode('utf-8')).hexdigest(6)) # TODO: commit hash would be better, right? -> not if it's a branch!
+    update_submodules = False
     if not os.path.exists(worktree_dir):
         print(f'Checking out into {worktree_dir}.')
         origin.fetch(tags=True, force=True)
         os.makedirs(worktree_dir)
         repo.git.worktree('add', worktree_dir, git_ref)
+        worktree_repo = Repo(worktree_dir)
+        update_submodules = True
     elif env['UPDATE_REPOSITORIES']:
         worktree_repo = Repo(worktree_dir)
         if not worktree_repo.head.is_detached:
             print(f'Updating git repository at {worktree_dir}')
             worktree_origin = worktree_repo.remotes['origin']
             worktree_origin.pull()
+            update_submodules = True
         else:
             print(f'Not updating git repository {worktree_dir} as it is not on a branch.')
+    if update_submodules:
+        for submodule in worktree_repo.submodules:
+            submodule.update(init=True)
     return {
         'checkout_root': worktree_dir,
         'repo': repo,

recipes/X11/recipe.py

@@ -0,0 +1,23 @@
+
+
+import os
+from SCons.Script import *
+
+
+def available(env: Environment):
+    if os.name != 'posix':
+        return 'X11 is only available on Linux.'
+
+def versions(env: Environment, update: bool = False):
+    if os.name == 'posix':
+        return [(0, 0, 0)]
+    else:
+        return []
+
+def dependencies(env: Environment, version) -> 'dict':
+    return {}
+
+def cook(env: Environment, version) -> dict:
+    return {
+        'LIBS': ['X11']
+    }

recipes/Xft/recipe.py

@@ -0,0 +1,25 @@
+
+
+import os
+from SCons.Script import *
+
+
+def available(env: Environment):
+    if os.name != 'posix':
+        return 'Xft is only available on Linux.'
+
+def versions(env: Environment, update: bool = False):
+    if os.name == 'posix':
+        return [(0, 0, 0)]
+    else:
+        return []
+
+def dependencies(env: Environment, version) -> 'dict':
+    return {
+        'fontconfig': {}
+    }
+
+def cook(env: Environment, version) -> dict:
+    return {
+        'LIBS': ['Xft']
+    }

recipes/fontconfig/recipe.py

@@ -0,0 +1,25 @@
+
+
+import os
+from SCons.Script import *
+
+
+def available(env: Environment):
+    if os.name != 'posix':
+        return 'Fontconfig is only available on Linux.'
+
+def versions(env: Environment, update: bool = False):
+    if os.name == 'posix':
+        return [(0, 0, 0)]
+    else:
+        return []
+
+def dependencies(env: Environment, version) -> 'dict':
+    return {
+        'freetype': {}
+    }
+
+def cook(env: Environment, version) -> dict:
+    return {
+        'LIBS': ['fontconfig']
+    }

recipes/freetype/recipe.py

@@ -0,0 +1,23 @@
+
+
+import os
+from SCons.Script import *
+
+
+def available(env: Environment):
+    if os.name != 'posix':
+        return 'Freetype is only available on Linux.'
+
+def versions(env: Environment, update: bool = False):
+    if os.name == 'posix':
+        return [(0, 0, 0)]
+    else:
+        return []
+
+def dependencies(env: Environment, version) -> 'dict':
+    return {}
+
+def cook(env: Environment, version) -> dict:
+    return {
+        'LIBS': ['freetype']
+    }

recipes/nana/recipe.py

@@ -0,0 +1,37 @@
+
+
+import os
+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 = ['-DNANA_CMAKE_INSTALL=ON'])
+
+    lib_name = 'nana'
+    return {
+        'CPPPATH': build_result['CPPPATH'],
+        'LIBS': [env.FindLib(lib_name, paths=build_result['LIBPATH'])]
+    }
+
+def _dependencies(env: Environment, version) -> dict:
+    result = {}
+    if os.name == 'nt':
+        pass
+    elif os.name == 'posix':
+        result.update({
+            'X11': {},
+            'Xft': {}
+        })
+    return result
+
+env.GitRecipe(
+    globals = globals(),
+    repo_name = 'nana',
+    repo_url = 'httpshttps://github.com/mewin/nana.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,
+    dependencies = _dependencies
+)

recipes/zlib/recipe.py

@@ -6,6 +6,16 @@ from SCons.Script import *
 _REPO_NAME = 'zlib'
 _REPO_URL = 'https://github.com/madler/zlib.git'
 _TAG_PATTERN = re.compile(r'^v([0-9]+)\.([0-9]+)(?:\.([0-9]+))?$')
+_VERSION_SOURCE = '''
+    #include <zlib.h>
+    #include <stdio.h>
+    
+    int main(int, char**)
+    {
+        puts(ZLIB_VERSION);
+        return 0;
+    }
+'''
 
 def _build_lib_name(env: Environment) -> str:
     if os.name == 'posix':
@@ -17,19 +27,29 @@ def _build_lib_name(env: Environment) -> str:
     else:
         raise Exception('libpng is not supported yet on this OS')
 
-def versions(env: Environment, update: bool = False):
+def versions(env: Environment, update: bool = False, options: dict = {}):
     tags = env.GitTags(repo_name = _REPO_NAME, remote_url = _REPO_URL, force_fetch=update)
     result = []
-    for tag in tags:
-        match = _TAG_PATTERN.match(tag)
-        if match:
-            result.append((int(match.groups()[0]), int(match.groups()[1]), int(match.groups()[2] or 0)))
+
+    if options.get('use_system_library'):
+        version = env.VersionFromSource('pkgconf --cflags-only-I zlib', _VERSION_SOURCE)
+        if version:
+            env['SYSTEM_ZLIB_VERSION'] = version
+            result.append(version)
+    else:
+        for tag in tags:
+            match = _TAG_PATTERN.match(tag)
+            if match:
+                result.append((int(match.groups()[0]), int(match.groups()[1]), int(match.groups()[2] or 0)))
     return result
 
 def dependencies(env: Environment, version) -> 'dict':
     return {}
 
-def cook(env: Environment, version) -> dict:
+def cook(env: Environment, version, options: dict = {}) -> dict:
+    if options.get('use_system_library'):
+        return env.PkgCook('pkgconf --cflags --libs zlib')
+    
     git_ref = f'refs/tags/v{version[0]}.{version[1]}'
     if version[2] != 0:
         git_ref = git_ref + f'.{version[2]}'