From 533a9e57de8cb74594499f625810ad812359d3fb Mon Sep 17 00:00:00 2001
From: johannst <johannes.stoelp@gmail.com>
Date: Tue, 29 Sep 2020 04:31:51 +0200
Subject: added basic arm64 support

---
 Makefile | 33 ++++++++++++++++++++++++++++-----
 1 file changed, 28 insertions(+), 5 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index b3665cc..47c7c90 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,16 @@
 # Copyright (c) 2020 Johannes Stoelp
 
-CXX      := g++
+ARCH ?= x86_64
+
+ifeq ($(ARCH),arm64)
+PREFIX := aarch64-linux-gnu-
+endif
+
+CXX      := $(PREFIX)g++
 CXXFLAGS := -g -O0 -Wall -Wextra -I.
 
 lib/libmatcha.a:
-	make -C lib
+	make -C lib ARCH=$(ARCH)
 
 %.o: %.cc
 	$(CXX) -c -o $@ $^ $(CXXFLAGS)
@@ -13,12 +19,29 @@ fmt:
 	fd --type f '.+\.h$$|.+\.cc$$' --exec clang-format -i {}
 
 example/demo1: example/demo1.o lib/libmatcha.a
-	$(CXX) -o $@ $^
+	$(CXX) -o $@ $^ $(LDFLAGS)
+ifeq ($(ARCH),arm64)
+	qemu-aarch64                                      \
+	    -L /usr/aarch64-linux-gnu                     \
+	    -E LD_LIBRARY_PATH=/usr/aarch64-linux-gnu/lib \
+	    example/demo1
+else
+	example/demo1
+endif
 
 gdb: example/demo1
+ifeq ($(ARCH),arm64)
+	qemu-aarch64                                      \
+	    -L /usr/aarch64-linux-gnu                     \
+	    -E LD_LIBRARY_PATH=/usr/aarch64-linux-gnu/lib \
+	    -g 1234                                       \
+	    example/demo1 &
+	gdb-multiarch -ex 'target remote :1234' -ex 'b main' -ex 'c' example/demo1
+else
 	which cgdb && cgdb -x util.gdb -ex 'start' example/demo1 \
 	           ||  gdb -x util.gdb -ex 'start' example/demo1
+endif
 
 clean:
-	rm -f example/demo1
-	rm -f **/*.o **/lib*.a
+	make -C lib clean
+	rm -f example/demo1 example/demo1.o
-- 
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