new global_logger, used in AVR_LOG(), default is stdout/stderr

[simavr] / Makefile.common

diff --git a/Makefile.common b/Makefile.common
index 1f89b04..205ef6b 100644 (file)
--- 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.
 # 
@@ -26,23 +26,149 @@
 #      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
+CORE_CFLAGS    = -nostdinc
+
+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            := ${AVR_ROOT}/bin/avr-
+# Thats for MacPorts libelf
+ifeq (${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        := ${AVR_ROOT}
+AVR            := avr-
+ifeq (${shell uname -o}, Msys)
+AVR_ROOT    := ${shell echo "${AVR32_HOME}" | tr '\\' '/'}
+AVR_INC     := ${AVR_ROOT}/avr
+AVR         := ${AVR_ROOT}/bin/avr-
+IPATH       += ${PREFIX}/include
+CFLAGS      += -I${PREFIX}/include
+LDFLAGS                += -L/lib -L/local/lib
+CFLAGS                 += -DNO_COLOR
+else
+CFLAGS                 += -fPIC
+endif
+endif
+
+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 (${shell uname -o}, Msys)
+LDFLAGS      += -lws2_32
+endif
+
+ifeq (${shell uname}, Linux)
+ifeq ($(RELEASE),1)
+# allow the shared library to be found in the build directory
+# only for linking, the install time location is used at runtime
+LFLAGS         += -Wl,-rpath-link,${LIBDIR}
+else
+# allow the shared library to be found in the build directory
+LFLAGS         += -Wl,-rpath,${LIBDIR}
+endif
+endif
+
+# The code is compiled "optimized" to the max.
+# 
+# The weird "-Wl,--undefined=_mmcu,--section-start=.mmcu=0x910000"
+# is used to tell the linker not to discard the .mmcu section,
+# otherwise the --gc-sections will delete it.
+
 %.hex: %.axf
-               @${AVR}objcopy -j .text -j .data -O ihex ${<} ${@}
+       @${AVR}objcopy -j .text -j .data -j .eeprom -O ihex ${<} ${@}
 
 %.s: %.axf
-               @${AVR}objdump -j .text -j .data -j .bss -d  ${<} > ${@}
+       @${AVR}objdump -j .text -j .data -j .bss -d  ${<} > ${@}
 
-# --mcall-prologues 
+# --mcall-prologues can be used here, but messes up debugging a little
 %.axf: %.c 
-               @echo CC ${<}
-               @part=${<} ; part=$${part/_*}; \
-               ${AVR}gcc -Wall -gdwarf-2 -Os -std=gnu99 \
-                               -mmcu=$$part \
-                               -DF_CPU=8000000 \
-                               -fno-inline-small-functions \
-                               -ffunction-sections -fdata-sections \
-                               -Wl,--relax,--gc-sections \
-                               -Wl,--undefined=_mmcu,--section-start=.mmcu=0x910000 \
-                               -I../include \
-                               ${<} -o ${@}
-               @${AVR}size ${@}|sed '1d'
+       @echo AVR-CC ${<}
+       @part=${<} ; part=$${part/_*}; \
+       ${AVR}gcc -Wall -gdwarf-2 -Os -std=gnu99 \
+                       -mmcu=$$part \
+                       -DF_CPU=8000000 \
+                       -fno-inline-small-functions \
+                       -ffunction-sections -fdata-sections \
+                       -Wl,--relax,--gc-sections \
+                       -Wl,--undefined=_mmcu,--section-start=.mmcu=0x910000 \
+                       -I../simavr/sim/avr -I../../simavr/sim/avr \
+                       ${^} -o ${@}
+       @${AVR}size ${@}|sed '1d'
+
+# this rule has precedence
+${OBJ}/sim_%.o : cores/sim_%.c
+ifeq ($(V),1)
+       $(CC) $(CPPFLAGS) $(CFLAGS) $(CORE_CFLAGS) -MMD \
+               ${AVR_CPPFLAGS} \
+               $<  -c -o $@
+else
+       @$(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS) $(CORE_CFLAGS) -MMD \
+               ${AVR_CPPFLAGS} \
+               $<  -c -o $@
+       @echo CORE $<
+endif
+
+${OBJ}/%.o: %.c
+ifeq ($(V),1)
+       $(CC) $(CPPFLAGS) $(CFLAGS) -MMD \
+               $<  -c -o $@
+else
+       @$(CC) $(CPPFLAGS) $(CFLAGS) -MMD \
+               $<  -c -o $@
+       @echo CC $<
+endif
+
+${OBJ}/%.elf:
+ifeq ($(V),1)
+       $(CC) -MMD ${CFLAGS}  ${LFLAGS} -o $@ $^ $(LDFLAGS)
+else
+       @echo LD $@
+       @$(CC) -MMD ${CFLAGS}  ${LFLAGS} -o $@ $^ $(LDFLAGS)
+endif
+
+obj: ${OBJ}
+ 
+${OBJ}: 
+       @mkdir -p ${OBJ}
+
+clean-${OBJ}:
+       rm -rf ${OBJ}
+
+# include the dependency files generated by gcc, if any
+-include ${wildcard ${OBJ}/*.d}