initial scratch

.gitmodules

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+[submodule "include/rw"]
+	path = include/rw
+	url = git@github.com:raywan/rw.git

build.ninja

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+# THIS FILE IS GENERATED BY configure.py
+# EDITS WILL BE OVERWRITTEN
+
+ninja_required_version = 1.9
+cc = g++
+cflags = -std=c++11 -O3 -pthread -march=native -Iinclude
+project_name = toy
+src_dir = src
+bin_dir = bin
+build_dir = build
+
+rule compile
+  command = $cc $cflags -c $in -o $out -MMD -MF $out.d
+  depfile = $out.d
+rule link
+  command = $cc $in -o $bin_dir/$out
+rule clean_all
+  command = rm -rf $build_dir $bin_dir $project_name
+rule make_dirs
+  command = mkdir -p $build_dir $bin_dir
+rule create_sym_link
+  command = ln -sf $bin_dir/$project_name $project_name
+
+build dirs: make_dirs
+build fresh: clean_all
+build sym: create_sym_link
+build build/mesh.o: compile src/mesh.cpp
+build build/main.o: compile src/main.cpp
+build toy: link build/mesh.o build/main.o
+
+default dirs
+default toy
+default sym

configure.py

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+#!/usr/bin/python
+
+import os
+import fnmatch
+from ninja_syntax import Writer
+
+PROJECT_NAME = "toy"
+
+CC = "g++"
+CFLAGS = [
+	"-std=c++11",
+	"-O3",
+	"-pthread",
+	"-march=native",
+	"-Iinclude",
+]
+
+SRC_DIR = "src"
+BUILD_DIR = "build"
+BIN_DIR = "bin"
+
+with open('build.ninja', 'w') as build_file:
+	n = Writer(build_file)
+
+	n.comment("THIS FILE IS GENERATED BY configure.py")
+	n.comment("EDITS WILL BE OVERWRITTEN")
+	n.newline()
+
+	#############################################################################
+	# VARIABLES
+	#############################################################################
+
+	n.variable(key="ninja_required_version", value="1.9");
+
+	n.variable(key="cc", value=CC);
+	n.variable(key="cflags", value=' '.join(CFLAGS))
+	n.variable(key="project_name", value=PROJECT_NAME)
+	n.variable(key="src_dir", value=SRC_DIR)
+	n.variable(key="bin_dir", value=BIN_DIR)
+	n.variable(key="build_dir", value=BUILD_DIR)
+
+	n.newline()
+
+	#############################################################################
+	# RULES
+	#############################################################################
+
+	n.rule("compile",
+			command="$cc $cflags -c $in -o $out -MMD -MF $out.d",
+			depfile="$out.d"
+		)
+
+	n.rule("link", command="$cc $in -o $bin_dir/$out")
+
+	n.rule("clean_all", command="rm -rf $build_dir $bin_dir $project_name")
+	n.rule("make_dirs", command="mkdir -p $build_dir $bin_dir")
+	n.rule("create_sym_link", command="ln -sf $bin_dir/$project_name $project_name")
+
+	n.newline()
+
+	#############################################################################
+	# BUILDS
+	#############################################################################
+
+	n.build(outputs="dirs", rule="make_dirs")
+	n.build(outputs="fresh", rule="clean_all")
+	n.build(outputs="sym", rule="create_sym_link")
+
+	sources = []
+	for root, dirnames, filenames in os.walk(SRC_DIR):
+		for filename in fnmatch.filter(filenames, '*.cpp'):
+			sources.append(os.path.join(root, filename))
+
+	for source in sources:
+		n.build(outputs=source.replace(".cpp", ".o").replace('src', BUILD_DIR),
+			rule="compile",
+			inputs=source
+		)
+
+	o_files = [x.replace(".cpp", ".o").replace('src', BUILD_DIR) for x in sources]
+	n.build(outputs=PROJECT_NAME, rule="link", inputs=o_files)
+
+	n.newline()
+
+	#############################################################################
+	# DEFAULTS
+	#############################################################################
+
+	n.default("dirs")
+	n.default(PROJECT_NAME)
+	n.default("sym")