From 9ff82723e360761e94917c6d15d070dd3534ea2a Mon Sep 17 00:00:00 2001
From: johannst <johannes.stoelp@gmail.com>
Date: Sat, 26 Sep 2020 22:21:40 +0200
Subject: split makefiles

---
 Makefile     | 11 ++---------
 lib/Makefile | 24 ++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 9 deletions(-)
 create mode 100644 lib/Makefile

diff --git a/Makefile b/Makefile
index 3f89456..05a908f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,21 +1,14 @@
 # Copyright (c) 2020 Johannes Stoelp
 
-AS       := gcc
-ASFLAGS  := -g -O0
 CXX      := g++
 CXXFLAGS := -g -O0 -Wall -Wextra -I.
-AR       := ar
 
-lib/libmatcha.a: lib/compile_guard.o lib/thread.o lib/executor.o lib/arch/x86_64/thread_create.o lib/arch/x86_64/yield.o \
-                 lib/thread.h lib/executor.h lib/arch/x86_64/asm.h
-	$(AR) rcs $@ $(filter %.o,$^)
+lib/libmatcha.a:
+	make -C lib
 
 %.o: %.cc
 	$(CXX) -c -o $@ $^ $(CXXFLAGS)
 
-%.o: %.s
-	$(AS) -c -o $@ $^ $(ASFLAGS)
-
 fmt:
 	fd --type f '.+.h$$|.+.cc$$' --exec clang-format -i {}
 
diff --git a/lib/Makefile b/lib/Makefile
new file mode 100644
index 0000000..5fbbf0b
--- /dev/null
+++ b/lib/Makefile
@@ -0,0 +1,24 @@
+# Copyright (c) 2020 Johannes Stoelp
+
+AS       := gcc
+ASFLAGS  := -g -O0
+CXX      := g++
+CXXFLAGS := -g -O0 -Wall -Wextra -I.
+AR       := ar
+
+ARCH := x86_64
+
+libmatcha.a: compile_guard.o thread.o executor.o               \
+             thread.h executor.h                               \
+             arch/$(ARCH)/thread_create.o arch/$(ARCH)/yield.o \
+             arch/$(ARCH)/asm.h
+	$(AR) rcs $@ $(filter %.o,$^)
+
+%.o: %.cc
+	$(CXX) -c -o $@ $^ $(CXXFLAGS)
+
+%.o: %.s
+	$(AS) -c -o $@ $^ $(ASFLAGS)
+
+clean:
+	rm -f *.o **/*.o libmatcha.a
-- 
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