From df4a50806610ee68e0f735eaa0992c8dba995e15 Mon Sep 17 00:00:00 2001
From: Nathan Singer <nathan.r.singer@gmx.com>
Date: Thu, 29 May 2025 10:50:23 -0400
Subject: [PATCH] adds a script to generate a clangd file for editor usage

---
 .gitignore           |  1 +
 Makefile             |  6 +++++-
 libc/include/stdio.h |  7 -------
 util/gen-clangd.sh   | 15 +++++++++++++++
 4 files changed, 21 insertions(+), 8 deletions(-)
 create mode 100755 util/gen-clangd.sh

diff --git a/.gitignore b/.gitignore
index 9f44571..d342f9c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ bochslog.txt
 *.iso
 *.a
 *.elf
+.clangd
diff --git a/Makefile b/Makefile
index 4d268be..394fbd2 100644
--- a/Makefile
+++ b/Makefile
@@ -27,10 +27,13 @@ libk_objs = $(free_objs)
 # binaries = libk.a libc.a # Not ready for libc yet
 binaries = libk.a
 
-.PHONY: clean all run install-headers install-libs
+.PHONY: clean all run install-headers install-libs env
 
 all: kernel.elf 
 
+env: install-headers install-libs
+	util/./gen-clangd.sh
+
 kernel.elf: install-headers install-libs $(c_kern_objects) $(asm_kern_objects)
 	$(CC) $(CFLAGS) -T $(shell find . -name "link.ld") -o $@ $(c_kern_objects) $(asm_kern_objects) -nostdlib -lk -lgcc 
 
@@ -65,3 +68,4 @@ clean:
 	-rm $(shell find . -name "*.o")
 	-rm $(shell find . -name "*.d")
 	-rm *.iso *.elf *.a com1.out bochslog.txt
+	-rm .clangd
diff --git a/libc/include/stdio.h b/libc/include/stdio.h
index b3be14e..94bf59a 100644
--- a/libc/include/stdio.h
+++ b/libc/include/stdio.h
@@ -5,16 +5,9 @@
 
 #define EOF (-1)
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 int printf(const char* __restrict, ...);
 int putchar(int);
 int puts(const char*);
 
-#ifdef __cplusplus
-}
-#endif
 
 #endif
diff --git a/util/gen-clangd.sh b/util/gen-clangd.sh
new file mode 100755
index 0000000..f3113d1
--- /dev/null
+++ b/util/gen-clangd.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# This must be built with `make env` in the root folder
+# otherwises the paths will be incorrect
+
+echo "CompileFlags:
+	Add:
+		- \"--sysroot=$(pwd)/sysroot\"
+		- \"-ffreestanding\"
+		- \"-Wpedantic\"
+		- \"-Werror\"
+		- \"-Wall\"
+		- \"-Wextra\"
+" > .clangd
+