Move Makefile up

The Makefile has been moved outside 'API', to be able to also compile files in
external folders (ex: contrib)

Author: simonedegiacomi

.travis.yml

@@ -12,7 +12,6 @@ before_install:
   - tar xjf arm-2009q1-203-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2
   - export PATH="$PWD/arm-2009q1/bin:$PATH"
   - sudo apt-get install -y libc6-i386
-  - cd API
 
 before_script:
   - test ! -e API/libev3api.a || (echo "libev3api.a shouldn't be part of version control! Aborting..."; false)

API/ev3.h

@@ -43,13 +43,13 @@ extern "C" {
 #include <string.h>
 #include <stdbool.h>
 
-#include <ev3_constants.h>
-#include <ev3_command.h>
-#include <ev3_output.h>
-#include <ev3_sensor.h>
-#include <ev3_button.h>
-#include <ev3_lcd.h>
-#include <ev3_sound.h>
+#include "ev3_constants.h"
+#include "ev3_command.h"
+#include "ev3_output.h"
+#include "ev3_sensor.h"
+#include "ev3_button.h"
+#include "ev3_lcd.h"
+#include "ev3_sound.h"
 
 // Priority of the InitEV3/FreeEV3 functions for automatic construction and destruction
 // see https://gcc.gnu.org/onlinedocs/gcc-4.3.3/gcc/Function-Attributes.html

API/ev3_analog.h

@@ -18,7 +18,7 @@
 #ifndef EV3_ANALOG_H_
 #define EV3_ANALOG_H_
 
-#include <ev3_typedata.h>
+#include "ev3_typedata.h"
 
 /*! \page NxtColorMemory
  *

API/ev3_typedata.h

@@ -16,7 +16,7 @@
 #ifndef EV3_TYPEDATA_H_
 #define EV3_TYPEDATA_H_
 
-#include <ev3_basictypes.h>
+#include "ev3_basictypes.h"
 
 #define	   MAX_DEVICE_MODES		8                     //!< Max number of modes in one device
 #define    INPUTS				4

API/Makefile renamed to Makefile

@@ -8,7 +8,7 @@ SED = sed
 MKDIR = mkdir -p
 INSTALL = cp
 RM = rm -rf
-SRCS = $(wildcard *.c)
+SRCS = $(wildcard API/*.c)
 OBJS = $(patsubst %.c,%.o,$(SRCS))
 CFLAGS += -fno-strict-aliasing -fwrapv
 CFLAGS += -Wall -Wextra -Wpointer-sign -Wno-unused-parameter
@@ -18,7 +18,7 @@ libev3api.a: $(OBJS)
 	$(AR) rcs $@ $^
 
 %.o: %.c
-	$(CC) -Os $(CFLAGS) -isystem. -c $<
+	$(CC) -Os $(CFLAGS) -isystem. -c $< -o $@ 
 
 libev3api.pc: libev3api.pc.in
 	$(SED) -e "s+@PREFIX@+$(DESTDIR)+" $< > $@
@@ -41,4 +41,4 @@ example:
 
 .PHONY: clean install uninstall
 clean:
-	$(RM) *.o *.a *.d example
+	$(RM) API/*.o *.a *.d example