From e3b4f730b50799f5c27627d3989a4b82c30830b3 Mon Sep 17 00:00:00 2001
From: Claudius Holeksa <mail@keldu.de>
Date: Sat, 6 May 2023 22:13:46 +0200
Subject: c++: Preparing to add tool helpers

---
 src/tools/.nix/derivation.nix | 32 +++++++++++++++++++++
 src/tools/SConscript          | 26 +++++++++++++++++
 src/tools/SConstruct          | 66 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 124 insertions(+)
 create mode 100644 src/tools/.nix/derivation.nix
 create mode 100644 src/tools/SConscript
 create mode 100644 src/tools/SConstruct

diff --git a/src/tools/.nix/derivation.nix b/src/tools/.nix/derivation.nix
new file mode 100644
index 0000000..b4e58cf
--- /dev/null
+++ b/src/tools/.nix/derivation.nix
@@ -0,0 +1,32 @@
+{ lib
+, stdenvNoCC
+, scons
+, clang
+, clang-tools
+, version
+, forstio
+}:
+
+let
+
+in stdenvNoCC.mkDerivation {
+  pname = "forstio-tools";
+  inherit version;
+
+  src = ./..;
+
+  enableParallelBuilding = true;
+
+  nativeBuildInputs = [
+    scons
+    clang
+    clang-tools
+  ];
+
+  buildInputs = [
+    forstio.core
+    forstio.async
+  ];
+
+  outputs = ["out" "dev"];
+}
diff --git a/src/tools/SConscript b/src/tools/SConscript
new file mode 100644
index 0000000..dad8d8e
--- /dev/null
+++ b/src/tools/SConscript
@@ -0,0 +1,26 @@
+#!/bin/false
+
+import os
+import os.path
+import glob
+
+
+Import('env')
+
+dir_path = Dir('.').abspath
+
+# Environment for base library
+tool_env = env.Clone();
+
+tool_env.sources = sorted(glob.glob(dir_path + "/*.cpp"))
+tool_env.headers = sorted(glob.glob(dir_path + "/*.h"))
+
+env.sources += tool_env.sources;
+env.headers += tool_env.headers;
+
+# Set Alias
+env.Alias('tools', []);
+
+env.targets += ['tools'];
+
+
diff --git a/src/tools/SConstruct b/src/tools/SConstruct
new file mode 100644
index 0000000..4cccf82
--- /dev/null
+++ b/src/tools/SConstruct
@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+import os.path
+import glob
+import re
+
+
+if sys.version_info < (3,):
+    def isbasestring(s):
+        return isinstance(s,basestring)
+else:
+    def isbasestring(s):
+        return isinstance(s, (str,bytes))
+
+def add_kel_source_files(self, sources, filetype, lib_env=None, shared=False, target_post=""):
+
+    if isbasestring(filetype):
+        dir_path = self.Dir('.').abspath
+        filetype = sorted(glob.glob(dir_path+"/"+filetype))
+
+    for path in filetype:
+        target_name = re.sub( r'(.*?)(\.cpp|\.c\+\+)', r'\1' + target_post, path )
+        if shared:
+            target_name+='.os'
+            sources.append( self.SharedObject( target=target_name, source=path ) )
+        else:
+            target_name+='.o'
+            sources.append( self.StaticObject( target=target_name, source=path ) )
+    pass
+
+def isAbsolutePath(key, dirname, env):
+	assert os.path.isabs(dirname), "%r must have absolute path syntax" % (key,)
+
+env_vars = Variables(
+	args=ARGUMENTS
+)
+
+env_vars.Add('prefix',
+	help='Installation target location of build results and headers',
+	default='/usr/local/',
+	validator=isAbsolutePath
+)
+
+env=Environment(ENV=os.environ, variables=env_vars, CPPPATH=[],
+    CPPDEFINES=['SAW_UNIX'],
+    CXXFLAGS=['-std=c++20','-g','-Wall','-Wextra'],
+    LIBS=['forstio-async'])
+env.__class__.add_source_files = add_kel_source_files
+env.Tool('compilation_db');
+env.cdb = env.CompilationDatabase('compile_commands.json');
+
+env.objects = [];
+env.sources = [];
+env.headers = [];
+env.targets = [];
+
+Export('env')
+SConscript('SConscript')
+
+env.Alias('cdb', env.cdb);
+env.Alias('all', [env.targets]);
+env.Default('all');
+
+env.Alias('install', '$prefix')
-- 
cgit v1.2.3