3 # Copyright 2002,2003, 2004, 2006 Develer S.r.l. (http://www.develer.com/)
7 # GCC-AVR standard Makefile part 1
10 # Author: Bernardo Innocenti <bernie@develer.com>
13 # Revision 1.10 2007/09/18 10:17:00 batt
16 # Revision 1.9 2006/09/20 14:28:42 marco
17 # Add MOC. Changed OPTCFLAGS.
19 # Revision 1.8 2006/09/19 17:50:56 bernie
20 # Make native build the default.
22 # Revision 1.7 2006/07/19 12:56:24 bernie
23 # Convert to new Doxygen style.
25 # Revision 1.6 2006/06/12 22:05:09 marco
26 # Bring back config wrongly commited
28 # Revision 1.4 2006/05/27 22:41:46 bernie
29 # Tweak optimization flags for loops.
31 # Revision 1.3 2006/05/18 00:40:10 bernie
32 # Setup for AVR development.
34 # Revision 1.2 2006/03/27 04:48:33 bernie
35 # Add CXXFLAGS; Add recursive targets.
37 # Revision 1.1 2006/03/22 09:51:53 bernie
38 # Add build infrastructure.
44 # see local pgm_config.mk for programmer customization.
45 -include pgm_config.mk
46 DPROG ?= -V -c stk500 -P /dev/ttyS0
48 # AVR ISP dongle that blows up easily
49 #DPROG = -V -c stk500 -P /dev/ttyS0
50 #DPROG = -V -c jtag2slow
53 # STK200 parallel cable
54 #DPROG = -c stk200 -E noreset
57 #DPROG = avarice --mkII -j usb -l
59 # PonyProg serial programmer
62 OPTCFLAGS = -ffunction-sections -fdata-sections
63 #OPTCFLAGS = -funsafe-loop-optimizations
66 #DEBUGCFLAGS = -gdwarf-2
72 # define some variables based on the AVR base path in $(AVR)
77 AS = $(CC) -x assembler-with-cpp
79 OBJCOPY = $(CROSS)objcopy
87 # For conversion from ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
88 COFFCONVERT=$(OBJCOPY) \
90 --change-section-address .data-0x800000 \
91 --change-section-address .bss-0x800000 \
92 --change-section-address .noinit-0x800000 \
93 --change-section-address .eeprom-0x810000
103 FLEXCAT = $(top_srcdir)/tools/flexcat/flexcat
105 # output format can be srec, ihex (avrobj is always created)
109 # Compiler flags for generating dependencies
112 # Compiler flags for generating source listings
113 LIST_FLAGS = -Wa,-anhlmsd=$(@:.o=.lst)
115 # Linker flags for generating map files
116 #bernie: bogus binutils from Fedora 6 can't cope with this
117 #MAP_FLAGS = -Wl,-Map=$(@:%.elf=%.map),--cref
119 # Compiler warning flags for both C and C++
121 -W -Wformat -Wall -Wundef -Wpointer-arith -Wcast-qual \
122 -Wcast-align -Wwrite-strings -Wsign-compare \
123 -Wmissing-prototypes -Wmissing-noreturn \
124 -Wextra -Wstrict-aliasing=2 \
125 # -Wunsafe-loop-optimizations
127 # Compiler warning flags for C only
129 -Wmissing-prototypes -Wstrict-prototypes
131 # Default C preprocessor flags (for C, C++ and cpp+as)
134 # Default C compiler flags
135 CFLAGS = $(OPTCFLAGS) $(DEBUGCFLAGS) $(WARNFLAGS) $(C_WARNFLAGS) \
136 $(DEP_FLAGS) $(LIST_FLAGS) -std=gnu99
138 # Default C++ compiler flags
139 CXXFLAGS = $(OPTCFLAGS) $(DEBUGCFLAGS) $(WARNFLAGS) \
140 $(DEP_FLAGS) $(LIST_FLAGS)
142 # Default compiler assembly flags
143 CPPAFLAGS = $(DEBUGCFLAGS) -MMD
145 # Default assembler flags
146 ASFLAGS = $(DEBUGCFLAGS)
148 # Default linker flags
149 #LDFLAGS = $(MAP_FLAGS)
151 #bernie: does not complain for missing symbols!
152 LDFLAGS = $(MAP_FLAGS) -Wl,--gc-sections
155 AVRDUDEFLAGS = $(DPROG)