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 1.8 2006/09/19 17:50:56 bernie
14 # Make native build the default.
16 # Revision 1.7 2006/07/19 12:56:24 bernie
17 # Convert to new Doxygen style.
19 # Revision 1.6 2006/06/12 22:05:09 marco
20 # Bring back config wrongly commited
22 # Revision 1.4 2006/05/27 22:41:46 bernie
23 # Tweak optimization flags for loops.
25 # Revision 1.3 2006/05/18 00:40:10 bernie
26 # Setup for AVR development.
28 # Revision 1.2 2006/03/27 04:48:33 bernie
29 # Add CXXFLAGS; Add recursive targets.
31 # Revision 1.1 2006/03/22 09:51:53 bernie
32 # Add build infrastructure.
39 # AVR ISP dongle that blows up easily
40 DPROG = -V -c stk500 -P /dev/ttyS0
42 # STK200 parallel cable
43 #DPROG = -c stk200 -E noreset
46 #DPROG = avarice --mkII -j usb -l
48 # PonyProg serial programmer
51 OPTCFLAGS = -ffunction-sections -fdata-sections -funsafe-loop-optimizations
54 #DEBUGCFLAGS = -gdwarf-2
60 # define some variables based on the AVR base path in $(AVR)
66 AS = $(CC) -x assembler-with-cpp
68 OBJCOPY = $(CROSS)objcopy
75 # For conversion from ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
76 COFFCONVERT=$(OBJCOPY) \
78 --change-section-address .data-0x800000 \
79 --change-section-address .bss-0x800000 \
80 --change-section-address .noinit-0x800000 \
81 --change-section-address .eeprom-0x810000
91 FLEXCAT = $(top_srcdir)/tools/flexcat/flexcat
93 # output format can be srec, ihex (avrobj is always created)
97 # Compiler flags for generating dependencies
100 # Compiler flags for generating source listings
101 LIST_FLAGS = -Wa,-anhlmsd=$(@:.o=.lst)
103 # Linker flags for generating map files
104 #bernie: bogus binutils from Fedora 6 can't cope with this
105 #MAP_FLAGS = -Wl,-Map=$(@:%.elf=%.map),--cref
107 # Compiler warning flags for both C and C++
109 -W -Wformat -Wall -Wundef -Wpointer-arith -Wcast-qual \
110 -Wcast-align -Wwrite-strings -Wsign-compare \
111 -Wmissing-prototypes -Wmissing-noreturn \
112 -Wextra -Wstrict-aliasing=2 \
113 -Wunsafe-loop-optimizations
115 # Compiler warning flags for C only
117 -Wmissing-prototypes -Wstrict-prototypes
119 # Default C preprocessor flags (for C, C++ and cpp+as)
122 # Default C compiler flags
123 CFLAGS = $(OPTCFLAGS) $(DEBUGCFLAGS) $(WARNFLAGS) $(C_WARNFLAGS) \
124 $(DEP_FLAGS) $(LIST_FLAGS) -std=gnu99
126 # Default C++ compiler flags
127 CXXFLAGS = $(OPTCFLAGS) $(DEBUGCFLAGS) $(WARNFLAGS) \
128 $(DEP_FLAGS) $(LIST_FLAGS)
130 # Default compiler assembly flags
131 CPPAFLAGS = $(DEBUGCFLAGS) -MMD
133 # Default assembler flags
134 ASFLAGS = $(DEBUGCFLAGS)
136 # Default linker flags
137 LDFLAGS = $(MAP_FLAGS)
139 #bernie: does not complain for missing symbols!
140 #LDFLAGS = $(MAP_FLAGS) -Wl,--gc-sections
143 AVRDUDEFLAGS = $(DPROG)