# What Are the Build Targets in the Caveman Makefile?

> Discover the build targets in the Caveman Makefile: all, build, and clean. Understand compilation, Go builds, and artifact removal for efficient development.

- Repository: [Julius Brussee/caveman](https://github.com/JuliusBrussee/caveman)
- Tags: how-to-guide
- Published: 2026-07-04

---

**The caveman Makefile defines three primary build targets: `all` (default), `build`, and `clean`, which respectively delegate to compilation, perform the actual Go build, and remove generated artifacts.**

The JuliusBrussee/caveman repository utilizes a straightforward Makefile to manage its build process. Understanding these build targets is essential for developers contributing to or extending the project.

## Overview of the Caveman Makefile Build Targets

The Makefile in the caveman project follows a minimal, conventional structure with three distinct targets. These targets handle the complete lifecycle of the build process, from compilation to cleanup.

## Detailed Build Target Reference

### The `all` Target (Default)

The `all` target serves as the default entry point when running `make` without arguments. According to the source code in [`tests/test_detect.py`](https://github.com/JuliusBrussee/caveman/blob/main/tests/test_detect.py), this target simply delegates to the `build` target by declaring `all: build`【/cache/repos/github.com/JuliusBrussee/caveman/main/tests/test_detect.py#L28-L35】.

When you execute `make` in the project root, it automatically triggers the build process through this dependency chain.

### The `build` Target

The `build` target performs the actual compilation of the Go application. As implemented in the test suite, it executes the command:

```bash
go build -o bin/app ./cmd/app

```

This command compiles the application located in `./cmd/app` and outputs the binary to `bin/app`【/cache/repos/github.com/JuliusBrussee/caveman/main/tests/test_detect.py#L30-L33】. The target ensures the binary is placed in a dedicated `bin` directory for easy access and organization.

### The `clean` Target

The `clean` target handles artifact removal and environment reset. It executes the shell command:

```bash
rm -rf bin

```

This removes the entire `bin` directory and all generated binaries within it【/cache/repos/github.com/JuliusBrussee/caveman/main/tests/test_detect.py#L34-L35】. Use this target to ensure a fresh build state before recompiling.

## Makefile Implementation in Test Suite

The Makefile structure is defined within the `MAKEFILE_BODY` constant in [`tests/test_detect.py`](https://github.com/JuliusBrussee/caveman/blob/main/tests/test_detect.py). This representative configuration illustrates the actual build configuration used by the project:

```make
all: build

build:
	go build -o bin/app ./cmd/app

clean:
	rm -rf bin

```

This minimal configuration follows standard Makefile conventions while providing the essential functionality needed for the caveman build process. The indentation uses tabs as required by Makefile syntax.

## Summary

- **Three primary targets**: `all`, `build`, and `clean` manage the complete build lifecycle in the caveman project.
- **Default behavior**: Running `make` invokes the `all` target, which delegates to `build`.
- **Compilation**: The `build` target compiles Go source code from `./cmd/app` to `bin/app`.
- **Cleanup**: The `clean` target removes the `bin` directory to reset the build state.
- **Source location**: Build target definitions are documented in [`tests/test_detect.py`](https://github.com/JuliusBrussee/caveman/blob/main/tests/test_detect.py) within the `MAKEFILE_BODY` excerpt.

## Frequently Asked Questions

### What is the default target when running `make`?

The `all` target is the default target in the caveman Makefile. When you execute `make` without specifying a target, it automatically invokes `all`, which depends on and triggers the `build` target.

### What command does the `build` target execute?

The `build` target runs `go build -o bin/app ./cmd/app`. This compiles the Go application from the `cmd/app` package and outputs the executable to `bin/app`.

### How do I clean up generated binaries?

Run `make clean` to remove all generated artifacts. This command executes `rm -rf bin`, which deletes the entire `bin` directory containing the compiled application.

### Where is the Makefile defined in the caveman repository?

While the actual Makefile resides in the project root, the build target definitions are explicitly documented in [`tests/test_detect.py`](https://github.com/JuliusBrussee/caveman/blob/main/tests/test_detect.py) within the `MAKEFILE_BODY` string constant, which serves as the reference implementation for the build process.