# You should have received a copy of the GNU General Public License
# along with simavr. If not, see <http://www.gnu.org/licenses/>.
+# simavr directory
+SIMAVR ?= ${shell for p in . .. ../.. ../../..;do test -d $$p/simavr/sim && echo $$p/simavr; done}
+
+# You can override the build settings with local changes in this file
+# for example:
+# export CC=clang
+# export CFLAGS=-march=corei7-avx
+# etc
+-include ${wildcard ${SIMAVR}/../.make.options*}
+
# get the first character of what the compiler says it is, unless it's 'x86_64' doh
ARCH = ${shell $(CC) -dumpmachine | sed -e 's/^x/i/' -e 's/\(.\).*/\1/'}
-ifeq ($(ARCH), i)
-CFLAGS += -mfpmath=sse -msse2
-endif
-
-CFLAGS += -g --std=gnu99 -Wall
-CFLAGS += ${patsubst %,-I%,${subst :, ,${IPATH}}}
+CFLAGS += -O2 -Wall
+CFLAGS += -g
ifeq (${shell uname}, Darwin)
+# gcc 4.2 from MacOS is really not up to scratch anymore
+CC = clang
AVR_ROOT := "/Applications/Arduino.app/Contents/Resources/Java/hardware/tools/avr/"
AVR_INC := ${AVR_ROOT}/avr-4/
AVR := ${AVR_ROOT}/bin/avr-
-LFLAGS += -L/opt/local/lib
+# Thats for MacPorts libelf
+ifeq (${shell test -d /opt/local && echo Exists}, Exists)
+IPATH += /opt/local/include
+LFLAGS = -L/opt/local/lib/
+endif
else
AVR_ROOT := /usr/lib/avr
AVR_INC := ${AVR_ROOT}
CFLAGS += -fPIC
endif
-CC ?= gcc
+CPPFLAGS += --std=gnu99 -Wall
+CPPFLAGS += ${patsubst %,-I%,${subst :, ,${IPATH}}}
+
+AVR_CPPFLAGS= ${CPPFLAGS} -idirafter ${AVR_INC}/include
+
+CC ?= clang
AR ?= ar
RANLIB ?= ranlib
MKDIR ?= mkdir -p
INSTALL ?= install
-
-# simavr directory
-SIMAVR ?= ${shell for p in . .. ../.. ../../..;do test -d $$p/simavr/sim && echo $$p/simavr; done}
+SHELL := ${shell which bash}
OBJ = obj-${shell $(CC) -dumpmachine}
LIBDIR = ${shell pwd}/${SIMAVR}/${OBJ}
# this rule has precedence
${OBJ}/sim_%.o : cores/sim_%.c
ifeq ($(V),1)
- $(CC) $(CFLAGS) -MMD \
- -I${AVR_INC}/include/ \
+ $(CC) $(CPPFLAGS) $(CFLAGS) -MMD \
+ ${AVR_CPPFLAGS} \
$< -c -o $@
else
- @$(CC) $(CFLAGS) -MMD \
- -I${AVR_INC}/include/ \
+ @$(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS) -MMD \
+ ${AVR_CPPFLAGS} \
$< -c -o $@
@echo CORE $<
endif
${OBJ}/%.o: %.c
ifeq ($(V),1)
- $(CC) $(CFLAGS) -MMD \
+ $(CC) $(CPPFLAGS) $(CFLAGS) -MMD \
$< -c -o $@
else
- @$(CC) $(CFLAGS) -MMD \
+ @$(CC) $(CPPFLAGS) $(CFLAGS) -MMD \
$< -c -o $@
@echo CC $<
endif