X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=Makefile.common;h=e019689e44d8ff651178370e8cb9fa57cc2fe89a;hb=a37330f6cc0d3e034b0f9158218ab9530aa56dfb;hp=022f1f14ef65bd21ffbc20eb28d9e3e5a4b07b78;hpb=8a61b76cfe23c1d953f737aa8d836782ee8d40c6;p=simavr

diff --git a/Makefile.common b/Makefile.common
index 022f1f1..e019689 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -5,7 +5,7 @@
 # 
 # The code is compiled "optimized" to the max.
 # 
-# The wierd "-Wl,--undefined=_mmcu,--section-start=.mmcu=0x910000"
+# The weird "-Wl,--undefined=_mmcu,--section-start=.mmcu=0x910000"
 # is used to tell the linker not to discard the .mmcu section,
 # otherwise the --gc-sections will delete it.
 # 
@@ -26,35 +26,66 @@
 #	You should have received a copy of the GNU General Public License
 #	along with simavr.  If not, see <http://www.gnu.org/licenses/>.
 
-# get the first character of what the compiler says it is
-ARCH = ${shell $(CC) -dumpmachine | sed 's/\(.\).*/\1/'}
+# simavr directory
+SIMAVR		?= ${shell for p in . .. ../.. ../../..;do test -d $$p/simavr/sim && echo $$p/simavr; done}
 
-ifeq ($(ARCH), i)
-CFLAGS	+= -mfpmath=sse -msse2 -fPIC
-endif
+# 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/'}
 
-CFLAGS	+= -g --std=gnu99
-CFLAGS	+= ${patsubst %,-I%,${subst :, ,${IPATH}}}
-LDFLAGS += -lelf 
+CFLAGS		+= -O2 -Wall
+CFLAGS		+= -g
 
 ifeq (${shell uname}, Darwin)
-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
+# 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 		:= ${AVR_ROOT}/bin/avr-
+# Thats for MacPorts libelf
+ifeq (${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}
-AVR := avr-
+AVR_ROOT 	:= /usr/lib/avr
+AVR_INC 	:= ${AVR_ROOT}
+AVR 		:= avr-
+CFLAGS 		+= -fPIC
 endif
 
-CC ?= gcc
-AR ?= ar
-RANLIB ?= ranlib
+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
+SHELL	 	:= ${shell which bash}
+	
+OBJ 		= obj-${shell $(CC) -dumpmachine}
+LIBDIR		= ${shell pwd}/${SIMAVR}/${OBJ}
+LDFLAGS 	+= -L${LIBDIR} -lsimavr 
+
+LDFLAGS 	+= -lelf 
+
+ifeq (${shell uname}, Linux)
+# allow the shared library to be found in the build directory
+LFLAGS		+= -Wl,-rpath,${LIBDIR}
+endif
 
 # The code is compiled "optimized" to the max.
 # 
-# The wierd "-Wl,--undefined=_mmcu,--section-start=.mmcu=0x910000"
+# The weird "-Wl,--undefined=_mmcu,--section-start=.mmcu=0x910000"
 # is used to tell the linker not to discard the .mmcu section,
 # otherwise the --gc-sections will delete it.
 
@@ -79,38 +110,35 @@ RANLIB ?= ranlib
 			${^} -o ${@}
 	@${AVR}size ${@}|sed '1d'
 
-OBJ = obj-${shell $(CC) -dumpmachine}
-
 # this rule has precedence
 ${OBJ}/sim_%.o : cores/sim_%.c
 ifeq ($(V),1)
-	$(CC) $(CFLAGS) -MD \
-		-I${AVR_INC}/include/ \
+	$(CC) $(CPPFLAGS) $(CFLAGS) -MMD \
+		${AVR_CPPFLAGS} \
 		$<  -c -o $@
 else
-	@$(CC) $(CFLAGS) -MD \
-		-I${AVR_INC}/include/ \
+	@$(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS) -MMD \
+		${AVR_CPPFLAGS} \
 		$<  -c -o $@
 	@echo CORE $<
 endif
 
 ${OBJ}/%.o: %.c
 ifeq ($(V),1)
-	$(CC) $(CFLAGS) -MD \
+	$(CC) $(CPPFLAGS) $(CFLAGS) -MMD \
 		$<  -c -o $@
 else
-	@$(CC) $(CFLAGS) -MD \
+	@$(CC) $(CPPFLAGS) $(CFLAGS) -MMD \
 		$<  -c -o $@
 	@echo CC $<
 endif
 
 ${OBJ}/%.elf:
 ifeq ($(V),1)
-	echo $^ / $<
-	$(CC) -MD ${CFLAGS}  ${LFLAGS} -o $@ $^ $(LDFLAGS)
+	$(CC) -MMD ${CFLAGS}  ${LFLAGS} -o $@ $^ $(LDFLAGS)
 else
 	@echo LD $@
-	@$(CC) -MD ${CFLAGS}  ${LFLAGS} -o $@ $^ $(LDFLAGS)
+	@$(CC) -MMD ${CFLAGS}  ${LFLAGS} -o $@ $^ $(LDFLAGS)
 endif
 
 obj: ${OBJ}