mirror of
https://github.com/paparazzi/paparazzi.git
synced 2026-05-10 06:59:54 +08:00
Felix Ruess
0e44f01fa0
-ggdb3 make slightly bigger .elf files, but allows gdb to understand macros, which paparazzi uses somewhat extensively. Make this the default, since it only impacts the size of the debug sections and not the size of the flashed binary (in the lpc21/stm32 case). On the linux system we really don't care about these few more bytes...
136 lines
3.8 KiB
Makefile
136 lines
3.8 KiB
Makefile
# Hey Emacs, this is a -*- makefile -*-
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#
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# Copyright (C) 2009-2013 The Paparazzi Team
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#
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# This file is part of paparazzi.
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#
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# paparazzi is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# paparazzi is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with paparazzi; see the file COPYING. If not, write to
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# the Free Software Foundation, 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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#
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#
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# Makefile for generic linux targets
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# Normally don't use this makefile directly, but rather Makefile.arm-linux or Makefile.bbb
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#
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# Define some default programs and commands (if not already set by e.g. Makefile.arm-linux
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CC ?= gcc
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CXX ?= g++
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LD ?= $(CC)
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# Launch with "make Q=''" to get full command display
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Q=@
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OPT ?= 3
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# Slightly bigger .elf files but gains the ability to decode macros
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DEBUG_FLAGS ?= -ggdb3
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CSTANDARD ?= -std=gnu99
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CINCS = $(INCLUDES) -I$(PAPARAZZI_SRC)/sw/include
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#
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# Common compiler flags.
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# add then to arch specific CFLAGS already defined in e.g. Makefile.arm-linux
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#
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CFLAGS += $(CINCS)
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CFLAGS += -O$(OPT) -fPIC
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CFLAGS += $(DEBUG_FLAGS)
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CFLAGS += -fno-short-enums
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# CFLAGS += -malignment-traps
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CFLAGS += -Wall -Wcast-qual -Wimplicit -Wcast-align
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CFLAGS += -Wpointer-arith -Wswitch
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CFLAGS += -Wredundant-decls -Wreturn-type -Wshadow -Wunused
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#-Wno-unused-result
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#CFLAGS += -Wa,-adhlns=$(OBJDIR)/$(notdir $(subst $(suffix $<),.lst,$<))
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#CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
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CFLAGS += -lm -pthread
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# flags only for C
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CFLAGS += -Wstrict-prototypes -Wmissing-declarations
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CFLAGS += -Wmissing-prototypes -Wnested-externs
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CFLAGS += $(CSTANDARD)
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CFLAGS += $($(TARGET).CFLAGS)
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CFLAGS += $(USER_CFLAGS)
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LDFLAGS += -lm -pthread
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CXXFLAGS += -O$(OPT) -fPIC
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CXXFLAGS += $(DEBUG_FLAGS)
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CXXFLAGS += -pipe -fshow-column -ffast-math
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CXXFLAGS += -g -ffunction-sections -fdata-sections
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CXXFLAGS += -Wall -Wextra
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CXXFLAGS += $($(TARGET).CXXFLAGS)
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CXXFLAGS += $(USER_CFLAGS)
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SRC_C_LINUX = $($(TARGET).srcs)
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OBJ_C_LINUX = $(SRC_C_LINUX:%.c=$(OBJDIR)/%.o)
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SRC_CPP_LINUX = $($(TARGET).cpp_srcs)
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OBJ_CPP_LINUX = $(SRC_CPP_LINUX:%.cpp=$(OBJDIR)/%.o)
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printcommands:
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@echo ""
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@echo "Using CC = $(CC)"
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# @echo "Using LD = $(LD)"
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@echo "GCC version:"
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@$(CC) --version | head -1
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@echo ""
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all: printcommands build
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build: $(OBJDIR) elf
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$(OBJDIR):
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@echo CREATING object dir $(OBJDIR)
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@test -d $(OBJDIR) || mkdir -p $(OBJDIR)
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elf: $(OBJDIR)/$(TARGET).elf
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# Link: create ELF output file from object files.
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.SECONDARY : $(OBJDIR)/$(TARGET).elf
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.PRECIOUS : $(OBJ_C_LINUX) $(OBJ_CPP_LINUX)
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%.elf: $(OBJ_C_LINUX) $(OBJ_CPP_LINUX)
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@echo LD $@
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$(Q)if (expr "$($(TARGET).cpp_srcs)"); \
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then $(CXX) $(CXXFLAGS) $(OBJ_CPP_LINUX) $(OBJ_C_LINUX) --output $@ $(LDFLAGS) $($(TARGET).LDFLAGS); \
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else $(CC) $(CFLAGS) $(OBJ_C_LINUX) --output $@ $(LDFLAGS) $($(TARGET).LDFLAGS); fi
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# Compile: create object files from C source files
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$(OBJDIR)/%.o : %.c $(OBJDIR)/../Makefile.ac
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@echo CC $@
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$(Q)test -d $(dir $@) || mkdir -p $(dir $@)
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$(Q)$(CC) -MMD -c $(CFLAGS) $< -o $@
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# Compile: create object files from C++ source files
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$(OBJDIR)/%.o : %.cpp $(OBJDIR)/../Makefile.ac
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@echo CXX $@
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$(Q)test -d $(dir $@) || mkdir -p $(dir $@)
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$(Q)$(CXX) -MMD -c $(CXXFLAGS) $< -o $@
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# Listing of phony targets.
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.PHONY : printcommands all build elf
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.NOTPARALLEL: printcommands
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#
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# Dependencies
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#
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ifneq ($(MAKECMDGOALS),clean)
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DEPS = $(addprefix $(OBJDIR)/,$($(TARGET).srcs:.c=.d))
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DEPS += $(addprefix $(OBJDIR)/,$($(TARGET).srcs:.cpp=.d))
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-include $(DEPS)
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endif
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