From 414073c185648bb9d20e5e4e528f36995efc1f95 Mon Sep 17 00:00:00 2001
From: BrandonPacewic <92102436+BrandonPacewic@users.noreply.github.com>
Date: Wed, 16 Apr 2025 13:56:12 -0700
Subject: [PATCH] feat(build): add makefile build script

---
 Makefile | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 build.sh | 65 --------------------------------------------------------
 2 files changed, 63 insertions(+), 65 deletions(-)
 create mode 100644 Makefile
 delete mode 100755 build.sh

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..4f41489
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,63 @@
+# Copyright (c) Brandon Pacewic
+# SPDX‑License‑Identifier: MIT
+
+BUILD_DIR        ?= build
+CMAKE_GENERATOR  ?= Unix Makefiles
+BUILD_TESTS      ?= ON        # pass BUILD_TESTS=OFF to skip
+BUILD_BENCH      ?= OFF
+BUILD_TOOLS      ?= OFF
+BUILD_TYPE       ?= Debug     # Release | RelWithDebInfo ...
+JOBS             ?= $(shell nproc 2>/dev/null || sysctl -n hw.ncpu)
+
+CMAKE_FLAGS = \
+  -G "$(CMAKE_GENERATOR)" \
+  -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) \
+  -DBUILD_TESTING=$(BUILD_TESTS) \
+  -DBUILD_BENCHMARKS=$(BUILD_BENCH) \
+  -DBUILD_TOOLS=$(BUILD_TOOLS) \
+
+.PHONY: build test bench tools \
+        format clean distclean help
+
+configure:
+	@mkdir -p "$(BUILD_DIR)"
+	@cmake -S . -B "$(BUILD_DIR)" $(CMAKE_FLAGS)
+
+build: configure
+	@cmake --build "$(BUILD_DIR)" -- -j$(JOBS)
+
+test: build
+	@ctest --test-dir "$(BUILD_DIR)" --output-on-failure
+
+bench: BUILD_BENCH := ON
+bench: build
+	@cmake --build "$(BUILD_DIR)" -j$(JOBS)
+
+tools: BUILD_TOOLS := ON
+tools: build
+
+format:
+	@clang-format -i -style=file $(shell git ls-files '*.hpp' '*.h' '*.cpp')
+
+clean:
+	@cmake --build "$(BUILD_DIR)" --target clean || true
+
+distclean:
+	@rm -rf "$(BUILD_DIR)"
+
+help:
+	@echo "Targets:"
+	@echo "  build              - configure and build"
+	@echo "  test               - run ctest (RUN_TESTS=ON)"
+	@echo "  bench              - build & run benchmarks (BUILD_BENCH=ON)"
+	@echo "  tools              - build project-defined tools (BUILD_TOOLS=ON)"
+	@echo "  format             - run clang-format on all source files"
+	@echo "  clean              - clean build artefacts"
+	@echo "  distclean          - clean entire build dir"
+	@echo ""
+	@echo "Knobs (override with VAR=value):"
+	@echo "  BUILD_DIR, CMAKE_GENERATOR, BUILD_TYPE, JOBS"
+	@echo "  BUILD_TESTS, BUILD_BENCH, BUILD_TOOLS"
+
+# Default to help when running `make` without targets
+.DEFAULT_GOAL := help
diff --git a/build.sh b/build.sh
deleted file mode 100755
index ce76c8d..0000000
--- a/build.sh
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/bin/sh
-
-# Copyright (c) Brandon Pacewic
-# SPDX-License-Identifier: MIT
-
-set -e
-
-BUILD_DIR="build"
-BUILD_TESTS=ON
-RUN_TESTS=OFF
-BUILD_BENCH=OFF
-BUILD_TOOLS=OFF
-CMAKE_GENERATOR="Unix Makefiles"
-
-while [ $# -gt 0 ]; do
-    case "$1" in
-        --clean)
-            rm -rf "$BUILD_DIR"
-            shift
-            ;;
-        --build-tests)
-            BUILD_TESTS=OFF
-            shift
-            ;;
-        --test)
-            RUN_TESTS=ON
-            shift
-            ;;
-        --bench)
-            BUILD_BENCH=ON
-            shift
-            ;;
-        --tools)
-            BUILD_TOOLS=ON
-            shift
-            ;;
-        --build-dir=*)
-            BUILD_DIR="${1#*=}"
-            shift
-            ;;
-        --help)
-            echo "Usage: $0 [--clean] [--build-tests] [--test] [--bench] [--tools] [--build-dir=<dir>] [--help]"
-            exit 0
-            ;;
-        *)
-            echo "Unknown option: $1"
-            exit 1
-            ;;
-    esac
-done
-
-mkdir -p "$BUILD_DIR"
-cd "$BUILD_DIR"
-
-cmake -G "$CMAKE_GENERATOR" \
-      -DBUILD_TESTING="$BUILD_TESTS" \
-      -DBUILD_BENCHMARKS="$BUILD_BENCH" \
-      -DBUILD_TOOLS="$BUILD_TOOLS" \
-      ..
-
-make
-
-if [ "$RUN_TESTS" = "ON" ]; then
-    ctest --output-on-failure
-fi