X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=Makefile.common;h=e019689e44d8ff651178370e8cb9fa57cc2fe89a;hb=026ea0a2d08810bf3d271883532c330dd30cbfe8;hp=d219b96d939853f581065fd305db42cc8dd9b7d9;hpb=b73f9b6094e2c9639fded52022ec60556ae8f8de;p=simavr

diff --git a/Makefile.common b/Makefile.common
index d219b96..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.
 # 
@@ -26,14 +26,21 @@
 #	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/'}
 
 CFLAGS		+= -O2 -Wall
 CFLAGS		+= -g
-ifeq ($(ARCH), i)
-CFLAGS		+= -msse2
-endif
 
 ifeq (${shell uname}, Darwin)
 # gcc 4.2 from MacOS is really not up to scratch anymore 
@@ -58,15 +65,12 @@ CPPFLAGS	+= ${patsubst %,-I%,${subst :, ,${IPATH}}}
 
 AVR_CPPFLAGS= ${CPPFLAGS} -idirafter ${AVR_INC}/include
 
-CC 			?= gcc
+CC 			?= clang
 AR 			?= ar
 RANLIB 		?= ranlib
 MKDIR		?= mkdir -p
 INSTALL		?= install
 SHELL	 	:= ${shell which bash}
-
-# simavr directory
-SIMAVR		?= ${shell for p in . .. ../.. ../../..;do test -d $$p/simavr/sim && echo $$p/simavr; done}
 	
 OBJ 		= obj-${shell $(CC) -dumpmachine}
 LIBDIR		= ${shell pwd}/${SIMAVR}/${OBJ}
@@ -81,7 +85,7 @@ 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.