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 1.12 2007/09/29 16:57:39 bernie
14 # Better sparse support.
16 # Revision 1.11 2007/09/29 15:54:14 bernie
17 # Make demo Qt emulator compile again.
19 # Revision 1.10 2007/09/18 10:17:00 batt
22 # Revision 1.9 2006/09/20 14:28:42 marco
23 # Add MOC. Changed OPTCFLAGS.
25 # Revision 1.8 2006/09/19 17:50:56 bernie
26 # Make native build the default.
28 # Revision 1.7 2006/07/19 12:56:24 bernie
29 # Convert to new Doxygen style.
31 # Revision 1.6 2006/06/12 22:05:09 marco
32 # Bring back config wrongly commited
34 # Revision 1.4 2006/05/27 22:41:46 bernie
35 # Tweak optimization flags for loops.
37 # Revision 1.3 2006/05/18 00:40:10 bernie
38 # Setup for AVR development.
40 # Revision 1.2 2006/03/27 04:48:33 bernie
41 # Add CXXFLAGS; Add recursive targets.
43 # Revision 1.1 2006/03/22 09:51:53 bernie
44 # Add build infrastructure.
50 # see local pgm_config.mk for programmer customization.
51 -include pgm_config.mk
52 DPROG ?= -V -c stk500 -P /dev/ttyS0
54 # AVR ISP dongle that blows up easily
55 #DPROG = -V -c stk500 -P /dev/ttyS0
56 #DPROG = -V -c jtag2slow
59 # STK200 parallel cable
60 #DPROG = -c stk200 -E noreset
63 #DPROG = avarice --mkII -j usb -l
65 # PonyProg serial programmer
68 OPTCFLAGS = -ffunction-sections -fdata-sections
69 #OPTCFLAGS = -funsafe-loop-optimizations
72 #DEBUGCFLAGS = -gdwarf-2
78 # define some variables based on the AVR base path in $(AVR)
83 AS = $(CC) -x assembler-with-cpp
85 OBJCOPY = $(CROSS)objcopy
96 FLEXCAT = $(top_srcdir)/tools/flexcat/flexcat
98 # For conversion from ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
99 COFFCONVERT=$(OBJCOPY) \
101 --change-section-address .data-0x800000 \
102 --change-section-address .bss-0x800000 \
103 --change-section-address .noinit-0x800000 \
104 --change-section-address .eeprom-0x810000
111 # output format can be srec, ihex (avrobj is always created)
115 # Compiler flags for generating dependencies
118 # Compiler flags for generating source listings
119 LIST_FLAGS = -Wa,-anhlmsd=$(@:.o=.lst)
121 # Linker flags for generating map files
122 #bernie: bogus binutils from Fedora 6 can't cope with this
123 #MAP_FLAGS = -Wl,-Map=$(@:%.elf=%.map),--cref
125 # Compiler warning flags for both C and C++
127 -W -Wformat -Wall -Wundef -Wpointer-arith -Wcast-qual \
128 -Wcast-align -Wwrite-strings -Wsign-compare \
130 -Wextra -Wstrict-aliasing=2 \
131 # -Wunsafe-loop-optimizations
133 # Compiler warning flags for C only
135 -Wmissing-prototypes -Wstrict-prototypes
137 # Default C preprocessor flags (for C, C++ and cpp+as)
140 # Default C compiler flags
141 CFLAGS = $(OPTCFLAGS) $(DEBUGCFLAGS) $(WARNFLAGS) $(C_WARNFLAGS) \
142 $(DEP_FLAGS) $(LIST_FLAGS) -std=gnu99
144 # Default C++ compiler flags
145 CXXFLAGS = $(OPTCFLAGS) $(DEBUGCFLAGS) $(WARNFLAGS) \
146 $(DEP_FLAGS) $(LIST_FLAGS)
148 # Default compiler assembly flags
149 CPPAFLAGS = $(DEBUGCFLAGS) -MMD
151 # Default assembler flags
152 ASFLAGS = $(DEBUGCFLAGS)
154 # Default linker flags
155 #LDFLAGS = $(MAP_FLAGS)
157 #bernie: does not complain for missing symbols!
158 LDFLAGS = $(MAP_FLAGS) -Wl,--gc-sections
161 AVRDUDEFLAGS = $(DPROG)