add: file for ci

Signed-off-by: Nicolas Robert <nicolas.robert@epita.fr>

.drone.yml

@@ -0,0 +1,8 @@
+kind: pipeline
+name: build
+
+steps:
+  - name: build
+    image: stronglytyped/arm-none-eabi-gcc
+    commands:
+      - make

Makefile

@@ -1,7 +1,8 @@
 CC=arm-none-eabi-gcc
 OBJCOPY=arm-none-eabi-objcopy
 
-LDS=test.lds
+SRC=src/test.c
+LDS=src/test.lds
 
 OPTI=-O0
 CFLAGS= $(OPTI) -g -gdwarf-2 -mthumb -fno-builtin -mcpu=cortex-m4 -Wall -std=c99 -ffunction-sections -fdata-sections -mabi=aapcs -fno-unroll-loops -ffast-math -ftree-vectorize -fverbose-asm
@@ -9,10 +10,10 @@ LDFLAGS=-nostartfiles -Wl,-gc-sections -T$(LDS) -L. --specs=nano.specs
 
 all: test.bin
 
-test.o: test.c
-	$(CC) $(CFLAGS) -c test.o test.c
+test.o: $(SRC)
+	$(CC) $(CFLAGS) -c -o $@ $<
 
-test.elf: test.o test.lds
+test.elf: test.o $(LDS)
 	$(CC) $(LDFLAGS) test.o -o test.elf
 
 test.bin: test.elf