From 916efa0f7d93f7fd65552640dfea488d3d59d198 Mon Sep 17 00:00:00 2001
From: louist103 <35883445+louist103@users.noreply.github.com>
Date: Sun, 31 Oct 2021 15:00:24 -0400
Subject: [PATCH] Use clang when possible for tools (#990)

* Use clang when possible for tools

* Add LLD ?= 0
---
 tools/Makefile | 18 ++++++++++++++++--
 tools/vtxdis.c |  2 +-
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/tools/Makefile b/tools/Makefile
index 9b545d1a83..d0af5c3715 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -1,7 +1,21 @@
-CC := gcc
 CFLAGS := -Wall -Wextra -pedantic -std=c99 -g -O2
 PROGRAMS := yaz0 makeromfs elf2rom mkldscript vtxdis
-ZAPD := ZAPD/ZAPD.out
+
+ifeq ($(shell command -v clang >/dev/null 2>&1; echo $$?),0)
+  CC := clang
+else
+  CC := gcc
+endif
+
+LLD ?= 0
+
+ifeq ($(shell command -v ld.lld >/dev/null 2>&1; echo $$?),0)
+  LLD := 1
+endif
+
+ifneq ($(LLD),0)
+  CFLAGS += -fuse-ld=lld
+endif
 
 all: $(PROGRAMS)
 	cd ZAPD && $(MAKE)
diff --git a/tools/vtxdis.c b/tools/vtxdis.c
index 1ba6969635..8debd89e0c 100644
--- a/tools/vtxdis.c
+++ b/tools/vtxdis.c
@@ -254,4 +254,4 @@ int main(int argc, char **argv)
     }
 
     return 0;
-}
\ No newline at end of file
+}