From 7c891b99e8b55fa93d9ed1c16cbeec9e584952fa Mon Sep 17 00:00:00 2001
From: Simon From Jakobsen <sfj@skov.dk>
Date: Fri, 2 Aug 2024 14:07:55 +0000
Subject: [PATCH] add helloworld-c-make

---
 helloworld-c-make/.clang-format | 14 +++++++++++
 helloworld-c-make/.clangd       |  5 ++++
 helloworld-c-make/.gitignore    |  3 +++
 helloworld-c-make/Makefile      | 41 +++++++++++++++++++++++++++++++++
 helloworld-c-make/README.md     | 18 +++++++++++++++
 helloworld-c-make/src/main.c    |  3 +++
 6 files changed, 84 insertions(+)
 create mode 100644 helloworld-c-make/.clang-format
 create mode 100644 helloworld-c-make/.clangd
 create mode 100644 helloworld-c-make/.gitignore
 create mode 100644 helloworld-c-make/Makefile
 create mode 100644 helloworld-c-make/README.md
 create mode 100644 helloworld-c-make/src/main.c

diff --git a/helloworld-c-make/.clang-format b/helloworld-c-make/.clang-format
new file mode 100644
index 0000000..8ae9b75
--- /dev/null
+++ b/helloworld-c-make/.clang-format
@@ -0,0 +1,14 @@
+BasedOnStyle: WebKit
+IndentWidth: 4
+ColumnLimit: 80
+IndentCaseLabels: true
+BreakBeforeBraces: Custom
+BraceWrapping:
+    AfterFunction: true
+    SplitEmptyFunction: false
+AlignAfterOpenBracket: BlockIndent
+AlignOperands: AlignAfterOperator
+BreakBeforeBinaryOperators: true
+BinPackArguments: false
+BinPackParameters: false
+
diff --git a/helloworld-c-make/.clangd b/helloworld-c-make/.clangd
new file mode 100644
index 0000000..32a3e87
--- /dev/null
+++ b/helloworld-c-make/.clangd
@@ -0,0 +1,5 @@
+CompileFlags:
+  CompilationDatabase: build/compile_flags.txt
+  Remove:
+    - -Wempty-translation-unit
+
diff --git a/helloworld-c-make/.gitignore b/helloworld-c-make/.gitignore
new file mode 100644
index 0000000..1be61f5
--- /dev/null
+++ b/helloworld-c-make/.gitignore
@@ -0,0 +1,3 @@
+build/
+.cache/
+
diff --git a/helloworld-c-make/Makefile b/helloworld-c-make/Makefile
new file mode 100644
index 0000000..5027b45
--- /dev/null
+++ b/helloworld-c-make/Makefile
@@ -0,0 +1,41 @@
+
+EXECUTABLE = helloworld-c-make
+
+INSTALL_PREFIX = /usr/local
+
+CFLAGS = -std=c17 -Wall -Wextra -pedantic -pedantic-errors -O2
+LFLAGS = 
+
+LD=gcc
+CC=gcc
+
+SOURCE_FILES = \
+	src/main.c
+
+OBJECT_FILES = $(patsubst src/%.c, build/%.o, $(SOURCE_FILES))
+
+HEADER_FILES = $(shell find src/ -name *.h)
+
+all: build/$(EXECUTABLE) build/compile_flags.txt
+
+install: build/$(EXECUTABLE)
+	cp build/$(EXECUTABLE) $(INSTALL_PREFIX)/bin/$(EXECUTABLE)
+
+build/$(EXECUTABLE): $(OBJECT_FILES)
+	$(LD) -o $@ $(LFLAGS) $^
+
+build/%.o: src/%.c $(HEADER_FILES) build-folder
+	$(CC) -c -o $@ $(CFLAGS) $<
+
+build-folder:
+	mkdir -p build/
+
+clean:
+	$(RM) build/
+
+build/compile_flags.txt:
+	echo -xc $(CFLAGS) \
+		| tr ' ' '\n' \
+		> $@
+
+
diff --git a/helloworld-c-make/README.md b/helloworld-c-make/README.md
new file mode 100644
index 0000000..5bdbf81
--- /dev/null
+++ b/helloworld-c-make/README.md
@@ -0,0 +1,18 @@
+
+# helloworld-c-make
+
+```
+make
+./build/helloworld-c-make
+```
+
+```
+make
+
+sudo make install
+# or
+sudo make INSTALL_PREFIX=/usr/local install 
+
+helloworld-c-make
+```
+
diff --git a/helloworld-c-make/src/main.c b/helloworld-c-make/src/main.c
new file mode 100644
index 0000000..f1b76e5
--- /dev/null
+++ b/helloworld-c-make/src/main.c
@@ -0,0 +1,3 @@
+#include <stdio.h>
+
+int main(void) { printf("Hello, world!\n"); }