Use 2-clause BSD-license for all source files.

31 files changed, 647 insertions, 0 deletions

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..455b71e
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,29 @@
+The copyright in this software is being made available under the 2-clauses
+BSD License, included below. This software may be subject to other third
+party and contributor rights, including patent rights, and no such rights
+are granted under this license.
+
+Copyright (c) 2021, Bent Bisballe Nyeng (deva@aasimon.org)
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
\ No newline at end of file
diff --git a/ctor.cc b/ctor.cc
index 2e63f77..a7c52bf 100644
--- a/ctor.cc
+++ b/ctor.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include "libctor.h"
 
 namespace
diff --git a/examples/ctor.cc b/examples/ctor.cc
new file mode 100644
index 0000000..1a02e90
--- /dev/null
+++ b/examples/ctor.cc
@@ -0,0 +1,159 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
+#include "libctor.h"
+
+namespace
+{
+BuildConfigurations myConfigs()
+{
+	return
+	{
+		{
+			.type = TargetType::Executable,
+			.target = "plugingui",
+			.sources = {
+				"drumgizmo/zita-resampler/libs/cresampler.cc",
+				"drumgizmo/zita-resampler/libs/resampler-table.cc",
+				"drumgizmo/zita-resampler/libs/resampler.cc",
+				"drumgizmo/zita-resampler/libs/vresampler.cc",
+				"drumgizmo/hugin/hugin.c",
+				"drumgizmo/pugixml/src/pugixml.cpp",
+			},
+			.depends = {
+				"libplugingui.so",
+			},
+			.cxxflags = {
+				"-DUI_X11",
+				"-O3",
+				"-g",
+				"-Wall",
+				"-Werror",
+				"-std=c++11",
+				"-Idrumgizmo/getoptpp",
+				"-Idrumgizmo/",
+				"-Idrumgizmo/hugin",
+				"-Idrumgizmo/plugingui/",
+				"-Idrumgizmo/src/",
+				"-Idrumgizmo/zita-resampler/libs",
+				"-Idrumgizmo/pugixml/src",
+			},
+			.cflags = {
+				"-g",
+				//"-O3",
+				"-Wall",
+				"-Werror",
+			},
+			.ldflags = {
+				"-lm",
+				"-lX11",
+				"-lXext",
+				"-lsndfile",
+				"-pthread",
+			}
+		},
+	};
+}
+
+BuildConfigurations myConfigs2()
+{
+	return
+	{
+		{
+			.type = TargetType::DynamicLibrary,
+			.target = "libplugingui.so",
+			.sources = {
+				"drumgizmo/plugingui/abouttab.cc",
+				"drumgizmo/plugingui/bleedcontrolframecontent.cc",
+				"drumgizmo/plugingui/button.cc",
+				"drumgizmo/plugingui/button_base.cc",
+				"drumgizmo/plugingui/checkbox.cc",
+				"drumgizmo/plugingui/colour.cc",
+				"drumgizmo/plugingui/combobox.cc",
+				"drumgizmo/plugingui/dialog.cc",
+				"drumgizmo/plugingui/diskstreamingframecontent.cc",
+				"drumgizmo/plugingui/drumkitframecontent.cc",
+				"drumgizmo/plugingui/drumkittab.cc",
+				"drumgizmo/plugingui/eventhandler.cc",
+				"drumgizmo/plugingui/filebrowser.cc",
+				"drumgizmo/plugingui/font.cc",
+				"drumgizmo/plugingui/frame.cc",
+				"drumgizmo/plugingui/helpbutton.cc",
+				"drumgizmo/plugingui/humaniservisualiser.cc",
+				"drumgizmo/plugingui/humanizerframecontent.cc",
+				"drumgizmo/plugingui/image.cc",
+				"drumgizmo/plugingui/imagecache.cc",
+				"drumgizmo/plugingui/knob.cc",
+				"drumgizmo/plugingui/label.cc",
+				"drumgizmo/plugingui/layout.cc",
+				"drumgizmo/plugingui/led.cc",
+				"drumgizmo/plugingui/lineedit.cc",
+				"drumgizmo/plugingui/listbox.cc",
+				"drumgizmo/plugingui/listboxbasic.cc",
+				"drumgizmo/plugingui/listboxthin.cc",
+				"drumgizmo/plugingui/maintab.cc",
+				"drumgizmo/plugingui/mainwindow.cc",
+				"drumgizmo/plugingui/nativewindow_x11.cc",
+				"drumgizmo/plugingui/painter.cc",
+				"drumgizmo/plugingui/pixelbuffer.cc",
+				"drumgizmo/plugingui/pluginconfig.cc",
+				"drumgizmo/plugingui/powerbutton.cc",
+				"drumgizmo/plugingui/powerwidget.cc",
+				"drumgizmo/plugingui/progressbar.cc",
+				"drumgizmo/plugingui/resamplingframecontent.cc",
+				"drumgizmo/plugingui/resource.cc",
+				"drumgizmo/plugingui/resource_data.cc",
+				"drumgizmo/plugingui/sampleselectionframecontent.cc",
+				"drumgizmo/plugingui/scrollbar.cc",
+				"drumgizmo/plugingui/slider.cc",
+				"drumgizmo/plugingui/stackedwidget.cc",
+				"drumgizmo/plugingui/statusframecontent.cc",
+				"drumgizmo/plugingui/tabbutton.cc",
+				"drumgizmo/plugingui/tabwidget.cc",
+				"drumgizmo/plugingui/testmain.cc",
+				"drumgizmo/plugingui/textedit.cc",
+				"drumgizmo/plugingui/texture.cc",
+				"drumgizmo/plugingui/texturedbox.cc",
+				"drumgizmo/plugingui/timingframecontent.cc",
+				"drumgizmo/plugingui/toggle.cc",
+				"drumgizmo/plugingui/tooltip.cc",
+				"drumgizmo/plugingui/uitranslation.cc",
+				"drumgizmo/plugingui/utf8.cc",
+				"drumgizmo/plugingui/verticalline.cc",
+				"drumgizmo/plugingui/visualizerframecontent.cc",
+				"drumgizmo/plugingui/voicelimitframecontent.cc",
+				"drumgizmo/plugingui/widget.cc",
+				"drumgizmo/plugingui/window.cc",
+				"drumgizmo/plugingui/lodepng/lodepng.cpp",
+			},
+			.depends = {
+				"src.a",
+			},
+			.cxxflags = {
+				"-DUI_X11",
+				"-O3",
+				"-g",
+				"-Wall",
+				"-Werror",
+				"-std=c++11",
+				"-Idrumgizmo/getoptpp",
+				"-Idrumgizmo/",
+				"-Idrumgizmo/hugin",
+				"-Idrumgizmo/plugingui/",
+				"-Idrumgizmo/src/",
+				"-Idrumgizmo/zita-resampler/libs",
+				"-Idrumgizmo/pugixml/src",
+			},
+			.cflags = {},
+			.ldflags = {}
+		}
+	};
+}
+
+//int a = reg(__FILE__, myConfigs);
+//int b = reg(__FILE__, myConfigs2);
+}
+
+// Convenience macro
+REG(myConfigs);
+REG(myConfigs2);
diff --git a/examples/subdir/cppbuild.cc b/examples/subdir/ctor.cc
index 5e5af02..b5f5885 100644
--- a/examples/subdir/cppbuild.cc
+++ b/examples/subdir/ctor.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include "../libctor.h"
 
 namespace
diff --git a/src/build.cc b/src/build.cc
index 4cec3b9..1b70c5b 100644
--- a/src/build.cc
+++ b/src/build.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include "build.h"
 
 #include <future>
diff --git a/src/build.h b/src/build.h
index 0c4c3fd..1db3f5c 100644
--- a/src/build.h
+++ b/src/build.h
@@ -1,4 +1,6 @@
 // -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #pragma once
 
 #include <string>
diff --git a/src/configure.cc b/src/configure.cc
index 1598251..b3517dc 100644
--- a/src/configure.cc
+++ b/src/configure.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include "configure.h"
 
 #include <iostream>
diff --git a/src/configure.cc.bak b/src/configure.cc.bak
new file mode 100644
index 0000000..bcbeea9
--- /dev/null
+++ b/src/configure.cc.bak
@@ -0,0 +1,387 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
+#include "configure.h"
+
+#include <iostream>
+#include <filesystem>
+#include <fstream>
+
+#include <getoptpp/getoptpp.hpp>
+
+#include "settings.h"
+#include "execute.h"
+#include "libcppbuild.h"
+#include "tasks.h"
+
+std::filesystem::path configurationFile("configuration.cc");
+std::filesystem::path configHeaderFile("config.h");
+
+const std::map<std::string, std::string> default_configuration{};
+const std::map<std::string, std::string>& __attribute__((weak)) configuration()
+{
+	return default_configuration;
+}
+
+bool hasConfiguration(const std::string& key)
+{
+	const auto& c = configuration();
+	return c.find(key) != c.end();
+}
+
+const std::string& getConfiguration(const std::string& key,
+                                    const std::string& defaultValue)
+{
+	const auto& c = configuration();
+	if(hasConfiguration(key))
+	{
+		return c.at(key);
+	}
+
+	return defaultValue;
+}
+
+
+/*
+Configuration:
+  -h, --help              display this help and exit
+      --help=short        display options specific to this package
+      --help=recursive    display the short help of all the included packages
+  -V, --version           display version information and exit
+  -q, --quiet, --silent   do not print `checking ...' messages
+      --cache-file=FILE   cache test results in FILE [disabled]
+  -C, --config-cache      alias for `--cache-file=config.cache'
+  -n, --no-create         do not create output files
+      --srcdir=DIR        find the sources in DIR [configure dir or `..']
+
+Installation directories:
+  --prefix=PREFIX         install architecture-independent files in PREFIX
+                          [/usr/local]
+  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
+                          [PREFIX]
+
+By default, `make install' will install all the files in
+`/usr/local/bin', `/usr/local/lib' etc.  You can specify
+an installation prefix other than `/usr/local' using `--prefix',
+for instance `--prefix=$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
+  --bindir=DIR            user executables [EPREFIX/bin]
+  --sbindir=DIR           system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR        program executables [EPREFIX/libexec]
+  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --libdir=DIR            object code libraries [EPREFIX/lib]
+  --includedir=DIR        C header files [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
+  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
+  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
+  --infodir=DIR           info documentation [DATAROOTDIR/info]
+  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
+  --mandir=DIR            man documentation [DATAROOTDIR/man]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/drumgizmo]
+  --htmldir=DIR           html documentation [DOCDIR]
+  --dvidir=DIR            dvi documentation [DOCDIR]
+  --pdfdir=DIR            pdf documentation [DOCDIR]
+  --psdir=DIR             ps documentation [DOCDIR]
+
+Program names:
+  --program-prefix=PREFIX            prepend PREFIX to installed program names
+  --program-suffix=SUFFIX            append SUFFIX to installed program names
+  --program-transform-name=PROGRAM   run sed PROGRAM on installed program names
+
+System types:
+  --build=BUILD     configure for building on BUILD [guessed]
+  --host=HOST       cross-compile to build programs to run on HOST [BUILD]
+
+Optional Features:
+  --disable-option-checking  ignore unrecognized --enable/--with options
+  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
+  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --enable-silent-rules   less verbose build output (undo: "make V=1")
+  --disable-silent-rules  verbose build output (undo: "make V=0")
+  --enable-dependency-tracking
+                          do not reject slow dependency extractors
+  --disable-dependency-tracking
+                          speeds up one-time build
+  --enable-shared[=PKGS]  build shared libraries [default=yes]
+  --enable-static[=PKGS]  build static libraries [default=yes]
+  --enable-fast-install[=PKGS]
+                          optimize for fast installation [default=yes]
+  --disable-libtool-lock  avoid locking (might break parallel builds)
+  --disable-largefile     omit support for large files
+  --enable-gui=backend    Use specified gui backend. Can be x11, win32, cocoa,
+                          pugl-x11, pugl-win32, pugl-cocoa or auto
+                          [default=auto]
+  --enable-custom-channel-count=count
+                          Compile with specified number of output channels
+                          [default=16]
+  --enable-lv2            Compile the LV2 plugin [default=no]
+  --enable-vst            Compile the VST plugin [default=no]
+  --enable-cli            Compile the command line interface [default=yes]
+  --disable-input-dummy   Disable input dummy plugin [default=enabled]
+  --disable-input-test    Disable input test plugin [default=enabled]
+  --disable-input-jackmidi
+                          Disable input jackmidi plugin [default=enabled]
+  --disable-input-alsamidi
+                          Disable input alsamidi plugin [default=enabled]
+  --disable-input-midifile
+                          Disable input midifile plugin [default=enabled]
+  --disable-input-oss     Disable input oss plugin [enabled by default on
+                          FreeBSD, disabled otherwise]
+  --disable-output-dummy  Disable output dummy plugin [default=enabled]
+  --disable-output-jackaudio
+                          Disable output jack plugin [default=enabled]
+  --disable-output-alsa   Disable output alsa plugin [default=enabled]
+  --disable-output-wavfile
+                          Disable output wavfile plugin [default=enabled]
+  --disable-output-oss    Disable output oss plugin [enabled by default on
+                          FreeBSD, disabled otherwise]
+  --enable-sse=level      Enable SSE Level 1, 2, 3 or auto [default=auto]
+
+Optional Packages:
+  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
+  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --with-pic[=PKGS]       try to use only PIC/non-PIC objects [default=use
+                          both]
+  --with-aix-soname=aix|svr4|both
+                          shared library versioning (aka "SONAME") variant to
+                          provide on AIX, [default=aix].
+  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
+  --with-sysroot[=DIR]    Search for dependent libraries within DIR (or the
+                          compiler's sysroot if not specified).
+  --with-debug            Build with debug support
+  --with-nls              Build with nls support (default nls enabled)
+  --with-test             Build unit tests
+  --with-lv2dir=DIR       Use DIR as the lv2 plugin directory
+                          [default=LIBDIR/lv2]
+  --with-vst-sources      Point this to the vstsdk24 directory
+
+Some influential environment variables:
+  CXX         C++ compiler command
+  CXXFLAGS    C++ compiler flags
+  LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
+              nonstandard directory <lib dir>
+  LIBS        libraries to pass to the linker, e.g. -l<library>
+  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
+              you have headers in a nonstandard directory <include dir>
+  OBJC        Objective C compiler command
+  OBJCFLAGS   Objective C compiler flags
+  OBJCXX      Objective C++ compiler command
+  OBJCXXFLAGS Objective C++ compiler flags
+  CC          C compiler command
+  CFLAGS      C compiler flags
+  LT_SYS_LIBRARY_PATH
+              User-defined run-time library search path.
+  CPP         C preprocessor
+  CXXCPP      C++ preprocessor
+  PKG_CONFIG  path to pkg-config utility
+  PKG_CONFIG_PATH
+              directories to add to pkg-config's search path
+  PKG_CONFIG_LIBDIR
+              path overriding pkg-config's built-in search path
+  X11_CFLAGS  C compiler flags for X11, overriding pkg-config
+  X11_LIBS    linker flags for X11, overriding pkg-config
+  XEXT_CFLAGS C compiler flags for XEXT, overriding pkg-config
+  XEXT_LIBS   linker flags for XEXT, overriding pkg-config
+  LV2_CFLAGS  C compiler flags for LV2, overriding pkg-config
+  LV2_LIBS    linker flags for LV2, overriding pkg-config
+  SMF_CFLAGS  C compiler flags for SMF, overriding pkg-config
+  SMF_LIBS    linker flags for SMF, overriding pkg-config
+  SNDFILE_CFLAGS
+              C compiler flags for SNDFILE, overriding pkg-config
+  SNDFILE_LIBS
+              linker flags for SNDFILE, overriding pkg-config
+  JACK_CFLAGS C compiler flags for JACK, overriding pkg-config
+  JACK_LIBS   linker flags for JACK, overriding pkg-config
+  ALSA_CFLAGS C compiler flags for ALSA, overriding pkg-config
+  ALSA_LIBS   linker flags for ALSA, overriding pkg-config
+
+Use these variables to override the choices made by `configure' or to help
+it to find libraries and programs with nonstandard names/locations.
+
+Report bugs to the package provider.
+*/
+int configure(int argc, char* argv[])
+{
+	Settings settings;
+
+	settings.builddir = "build";
+
+	std::string cmd_str;
+	for(int i = 0; i < argc; ++i)
+	{
+		if(i > 0)
+		{
+			cmd_str += " ";
+		}
+		cmd_str += argv[i];
+	}
+
+	dg::Options opt;
+	int key{256};
+
+	std::string build_arch;
+	std::string build_path;
+	std::string host_arch;
+	std::string host_path;
+
+	opt.add("build-dir", required_argument, 'b',
+	        "Set output directory for build files (default: '" +
+	        settings.builddir + "').",
+	        [&]() {
+		        settings.builddir = optarg;
+		        return 0;
+	        });
+
+	opt.add("verbose", no_argument, 'v',
+	        "Be verbose. Add multiple times for more verbosity.",
+	        [&]() {
+		        settings.verbose++;
+		        return 0;
+	        });
+
+	opt.add("build", required_argument, key++,
+	        "Configure for building on specified architecture.",
+	        [&]() {
+		        build_arch = optarg;
+		        return 0;
+	        });
+
+	opt.add("build-path", required_argument, key++,
+	        "Set path to build tool-chain.",
+	        [&]() {
+		        build_path = optarg;
+		        return 0;
+	        });
+
+	opt.add("host", required_argument, key++,
+	        "Cross-compile to build programs to run on specified architecture.",
+	        [&]() {
+		        host_arch = optarg;
+		        return 0;
+	        });
+
+	opt.add("host-path", required_argument, key++,
+	        "Set path to cross-compile tool-chain.",
+	        [&]() {
+		        host_path = optarg;
+		        return 0;
+	        });
+
+	opt.add("help", no_argument, 'h',
+	        "Print this help text.",
+	        [&]() {
+		        std::cout << "configure usage stuff\n";
+		        opt.help();
+		        exit(0);
+		        return 0;
+	        });
+
+	opt.process(argc, argv);
+
+	if(host_arch.empty())
+	{
+		host_arch = build_arch;
+	}
+
+	auto tasks = getTasks(settings);
+
+	bool needs_cpp{false};
+	bool needs_c{false};
+	bool needs_ar{false};
+	bool needs_asm{false};
+	for(const auto& task :tasks)
+	{
+		switch(task->sourceLanguage())
+		{
+		case Language::Auto:
+			std::cerr << "TargetLanguage not deduced!\n";
+			exit(1);
+			break;
+		case Language::C:
+			needs_cpp = false;
+			break;
+		case Language::Cpp:
+			needs_c = true;
+			break;
+		case Language::Asm:
+			needs_asm = true;
+			break;
+		}
+	}
+
+	// CC=clang
+	// CXX=clang++
+
+	std::string path_env = std::getenv("PATH");
+	std::cout << path_env << "\n";
+
+	std::vector<std::string> paths;
+
+	{
+		std::stringstream ss(path_env);
+		std::string path;
+		while (std::getline(ss, path, ':'))
+		{
+			paths.push_back(path);
+		}
+	}
+	for(const auto& path_str : paths)
+	{
+		std::filesystem::path path(path_str);
+		auto gcc = path / "gcc";
+		if(std::filesystem::exists(gcc))
+		{
+			std::cout << "Found file gcc in path: " << path << "\n";
+			auto perms = std::filesystem::status(gcc).permissions();
+			if((perms & std::filesystem::perms::owner_exec) != std::filesystem::perms::none)
+			{
+				std::cout << " - executable by owner\n";
+			}
+			if((perms & std::filesystem::perms::group_exec) != std::filesystem::perms::none)
+			{
+				std::cout << " - executable by group\n";
+			}
+			if((perms & std::filesystem::perms::others_exec) != std::filesystem::perms::none)
+			{
+				std::cout << " - executable by others\n";
+			}
+		}
+	}
+	exit(0);
+
+	{
+		std::ofstream istr(configurationFile);
+		istr << "#include \"libcppbuild.h\"\n\n";
+		istr << "const std::map<std::string, std::string>& configuration()\n";
+		istr << "{\n";
+		istr << "	static std::map<std::string, std::string> c =\n";
+		istr << "	{\n";
+		istr << "		{ \"cmd\", \"" << cmd_str << "\" },\n";
+		istr << "		{ \"" << cfg::builddir << "\", \"" << settings.builddir << "\" },\n";
+		istr << "		{ \"" << cfg::target_cc << "\", \"/usr/bin/gcc\" },\n";
+		istr << "		{ \"" << cfg::target_cpp << "\", \"/usr/bin/g++\" },\n";
+		istr << "		{ \"" << cfg::target_ar << "\", \"/usr/bin/ar\" },\n";
+		istr << "		{ \"" << cfg::target_ld << "\", \"/usr/bin/ld\" },\n";
+		istr << "		{ \"" << cfg::host_cc << "\", \"/usr/bin/gcc\" },\n";
+		istr << "		{ \"" << cfg::host_cpp << "\", \"/usr/bin/g++\" },\n";
+		istr << "		{ \"" << cfg::host_ar << "\", \"/usr/bin/ar\" },\n";
+		istr << "		{ \"" << cfg::host_ld << "\", \"/usr/bin/ld\" },\n";
+		istr << "	};\n";
+		istr << "	return c;\n";
+		istr << "}\n";
+	}
+
+	{
+		std::ofstream istr(configHeaderFile);
+		istr << "#pragma once\n\n";
+		istr << "#define HAS_FOO 1\n";
+		istr << "//#define HAS_BAR 1\n";
+	}
+
+	return 0;
+}
diff --git a/src/configure.h b/src/configure.h
index 95b6765..de1b7e0 100644
--- a/src/configure.h
+++ b/src/configure.h
@@ -1,4 +1,6 @@
 // -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #pragma once
 
 #include <filesystem>
diff --git a/src/execute.cc b/src/execute.cc
index 414ce70..610ccdd 100644
--- a/src/execute.cc
+++ b/src/execute.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include "execute.h"
 
 #include <unistd.h>
diff --git a/src/execute.h b/src/execute.h
index f284230..c750a83 100644
--- a/src/execute.h
+++ b/src/execute.h
@@ -1,4 +1,6 @@
 // -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #pragma once
 
 #include <string>
diff --git a/src/libctor.cc b/src/libctor.cc
index e166e51..4d0d6d9 100644
--- a/src/libctor.cc
+++ b/src/libctor.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include <vector>
 #include <string>
 #include <filesystem>
diff --git a/src/libctor.h b/src/libctor.h
index 4ad0e32..70c62a8 100644
--- a/src/libctor.h
+++ b/src/libctor.h
@@ -1,4 +1,6 @@
 // -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #pragma once
 
 #include <string>
diff --git a/src/rebuild.cc b/src/rebuild.cc
index 5559349..353beb0 100644
--- a/src/rebuild.cc
+++ b/src/rebuild.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include "rebuild.h"
 
 #include <iostream>
diff --git a/src/rebuild.h b/src/rebuild.h
index 1b29bbd..906d089 100644
--- a/src/rebuild.h
+++ b/src/rebuild.h
@@ -1,4 +1,6 @@
 // -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #pragma once
 
 #include <vector>
diff --git a/src/settings.h b/src/settings.h
index 6b8729f..d71717a 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -1,4 +1,6 @@
 // -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #pragma once
 
 #include <cstddef>
diff --git a/src/task.cc b/src/task.cc
index 4cdfa5e..1c6c233 100644
--- a/src/task.cc
+++ b/src/task.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include "task.h"
 
 #include <unistd.h>
diff --git a/src/task.h b/src/task.h
index 4461612..78dc904 100644
--- a/src/task.h
+++ b/src/task.h
@@ -1,4 +1,6 @@
 // -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #pragma once
 
 #include <vector>
diff --git a/src/task_ar.cc b/src/task_ar.cc
index 51d609e..e920571 100644
--- a/src/task_ar.cc
+++ b/src/task_ar.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include "task_ar.h"
 
 #include <iostream>
diff --git a/src/task_ar.h b/src/task_ar.h
index bfa21a2..abdc3ae 100644
--- a/src/task_ar.h
+++ b/src/task_ar.h
@@ -1,4 +1,6 @@
 // -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #pragma once
 
 #include "task.h"
diff --git a/src/task_cc.cc b/src/task_cc.cc
index 0f85bf6..8256c70 100644
--- a/src/task_cc.cc
+++ b/src/task_cc.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include "task_cc.h"
 
 #include <iostream>
diff --git a/src/task_cc.h b/src/task_cc.h
index 0ce4947..10813a7 100644
--- a/src/task_cc.h
+++ b/src/task_cc.h
@@ -1,4 +1,6 @@
 // -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #pragma once
 
 #include "task.h"
diff --git a/src/task_ld.cc b/src/task_ld.cc
index 4eb64f4..1b5665e 100644
--- a/src/task_ld.cc
+++ b/src/task_ld.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include "task_ld.h"
 
 #include <iostream>
diff --git a/src/task_ld.h b/src/task_ld.h
index f56f00d..730975a 100644
--- a/src/task_ld.h
+++ b/src/task_ld.h
@@ -1,4 +1,6 @@
 // -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #pragma once
 
 #include "task.h"
diff --git a/src/task_so.cc b/src/task_so.cc
index 519085a..5623bcf 100644
--- a/src/task_so.cc
+++ b/src/task_so.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include "task_so.h"
 
 #include <iostream>
diff --git a/src/task_so.h b/src/task_so.h
index 864d108..1e65694 100644
--- a/src/task_so.h
+++ b/src/task_so.h
@@ -1,4 +1,6 @@
 // -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #pragma once
 
 #include "task.h"
diff --git a/src/tasks.cc b/src/tasks.cc
index 3113564..a52b0be 100644
--- a/src/tasks.cc
+++ b/src/tasks.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include "tasks.h"
 
 #include <filesystem>
diff --git a/src/tasks.h b/src/tasks.h
index c5b326e..54591a4 100644
--- a/src/tasks.h
+++ b/src/tasks.h
@@ -1,4 +1,6 @@
 // -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #pragma once
 
 #include <string>
diff --git a/src/unittest.cc b/src/unittest.cc
index d2d5167..ade2d0a 100644
--- a/src/unittest.cc
+++ b/src/unittest.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include "unittest.h"
 
 #include <iostream>
diff --git a/src/unittest.h b/src/unittest.h
index 144dbdb..7eef0e2 100644
--- a/src/unittest.h
+++ b/src/unittest.h
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #pragma once
 
 #include <list>
diff --git a/test/ctor.cc b/test/ctor.cc
index caa00ee..8080d61 100644
--- a/test/ctor.cc
+++ b/test/ctor.cc
@@ -1,3 +1,6 @@
+// -*- c++ -*-
+// Distributed under the BSD 2-Clause License.
+// See accompanying file LICENSE for details.
 #include <libctor.h>
 
 namespace