ラズパイ用のC/C++開発環境をお手軽に構築する ref: https://qiita.com/take-iwiw/items/46119bb7d41c6030d34f

.vscode_sftp.json

{
    "host": "192.168.1.88",
    "port": 22,
    "username": "pi",
    "password": "rasp",
    "protocol": "sftp",
    "agent": null,
    "privateKeyPath": null,
    "passphrase": null,
    "passive": false,
    "interactiveAuth": false,
    "remotePath": "/home/pi/MyCProject",
    "uploadOnSave": true,
    "syncMode": "update",
    "watcher": {
        "files": false,
        "autoUpload": false,
        "autoDelete": false
    },
    "ignore": [
        "**/.vscode/**",
        "**/.git/**",
        "**/.DS_Store"
    ]
}

ComplexCProject_aaa.cpp

#include <stdio.h>
void ppp()
{
	printf("ppp\n");
}

ComplexCProject_aaa.h

void ppp();

ComplexCProject_main.cpp

#include <stdio.h>
#include "aaa.h"
#include "subA.h"
#include "subB.h"
int main()
{
	printf("Hello World\n");
	ppp();
	printf("%d  %d\n", subFunc1(), subFunc2());
	printf("%d  %d\n", subFunc3(), subFunc4());
	return 0;
}

ComplexCProject_makefile

include makefile_config

TARGET = a.out
SRCS = main.cpp aaa.cpp
SUBDIRS = subStaticModuleA subDynamicModuleB
INCLUDES += -IsubStaticModuleA -IsubDynamicModuleB
SUBS = subStaticModuleA/subModuleA.a
LIBS += -L./ -lsubModuleB

all: sub_target $(TARGET)

$(TARGET): $(OBJS) $(SUBS)
    $(CC) $(LDFLAGS) -o $@ $(OBJS) $(SUBS) $(LIBS)

.PHONY: sub_target
sub_target:
ifdef SUBDIRS
    $(foreach subdir,$(SUBDIRS),cd $(subdir) && $(MAKE) && cd ../ &&) cd ./
endif

.PHONY: clean
clean:
    $(DEL) *.o *.a *.exe *.dll *.so *.out
ifdef SUBDIRS
    $(foreach subdir,$(SUBDIRS),cd $(subdir) && $(MAKE) clean && cd ../ &&) cd ./
endif

ComplexCProject_makefile_config

## environment
#PLATFORM = WIN_MINGW
PLATFORM = LINUX
BINARY = DEBUG
#BINARY = RELEASE


ifeq ($(PLATFORM), WIN_MINGW)
# for win
MAKE = mingw32-make
#DEL = del
DEL = rm -f
CC = g++
AR = ar
else
# for linux
MAKE = make
DEL = rm -f
CC = g++
AR = ar
endif

ifeq ($(BINARY), DEBUG)
CFLAGS = -g3 -O0 -Wall
else
CFLAGS = -O3 -Wall
endif

LDFLAGS =
LIBS = -lm

OBJS = $(SRCS:.cpp=.o)
#OBJS = *.o

.c.o:
    $(CC) $(CFLAGS) $(INCLUDES) -c $<
.cpp.o:
    $(CC) $(CFLAGS) $(INCLUDES) -c $<

ComplexCProject_subDynamicModuleB_makefile

include ../makefile_config

TARGET = ../libsubModuleB.so
SRCS = subB1.cpp subB2.cpp
INCLUDES = 
SUBS =
SUBDIRS =

all: sub_target $(TARGET)

$(TARGET): $(OBJS) $(SUBS)
    $(CC) $(LDFLAGS) -shared -fPIC -o $@ $(OBJS) $(SUBS) 

.PHONY: sub_target
sub_target:
ifdef SUBDIRS
    $(foreach subdir,$(SUBDIRS),cd $(subdir) && $(MAKE) && cd ../ &&) cd ./
endif

.PHONY: clean
clean:
    $(DEL) *.o *.a *.exe *.dll
ifdef SUBDIRS
    $(foreach subdir,$(SUBDIRS),cd $(subdir) && $(MAKE) clean && cd ../ &&) cd ./
endif

ComplexCProject_subDynamicModuleB_subB.h

int subFunc3();
int subFunc4();

ComplexCProject_subDynamicModuleB_subB1.cpp

int subFunc3()
{
	return 150;
}

ComplexCProject_subDynamicModuleB_subB2.cpp

int subFunc4()
{
	return 64645;
}

ComplexCProject_subStaticModuleA_makefile

include ../makefile_config

TARGET = subModuleA.a
SRCS = subA1.cpp subA2.cpp
INCLUDES = 
SUBS =
SUBDIRS =

all: sub_target $(TARGET)

$(TARGET): $(OBJS) $(SUBS)
    $(AR) r $@ $(OBJS) $(SUBS)

.PHONY: sub_target
sub_target:
ifdef SUBDIRS
    $(foreach subdir,$(SUBDIRS),cd $(subdir) && $(MAKE) && cd ../ &&) cd ./
endif

.PHONY: clean
clean:
    $(DEL) *.o *.a *.exe *.dll
ifdef SUBDIRS
    $(foreach subdir,$(SUBDIRS),cd $(subdir) && $(MAKE) clean && cd ../ &&) cd ./
endif

ComplexCProject_subStaticModuleA_subA.h

int subFunc1();
int subFunc2();

ComplexCProject_subStaticModuleA_subA1.cpp

int subFunc1()
{
	return 10;
}

ComplexCProject_subStaticModuleA_subA2.cpp

int subFunc2()
{
	return 20;
}

ComplexCProject構成

/ComplexCProject
 - main.cpp, aaa.cpp
 - makefile
 - makefile_config
 - subStaticModuleA/
   - subA1.cpp, subA2.cpp
   - makefile
 - subDynamicModuleB/
   - subB1.cpp, subB2.cpp
   - makefile

file0.txt

MyCProject/
  - main.cpp

file3.txt

HOST> ssh [email protected]
PI> cd MyCProject
PI> gcc -g3 main.cpp
PI> ./a.out

file4.txt

HOST> ssh [email protected]
PI> cd MyCProject
PI> gdb ./a.out
(gdb) b main
(gdb) run
(gdb) n
(gdb) n

file5.txt

PI> cd
PI> wget -P ~ git.io/.gdbinit
PI> cd MyCProject
PI> gdb ./a.out
>>> b main
>>> run
>>> p i
>>> p i = 9

file6.txt

PI_1> tty   # ターミナル1でターミナル名を確認
/dev/pts/1
PI_0> gdb ./a.out   # ターミナル0でgdb起動
>>> dashboard -output /dev/pts/1    # 出力先を↑で確認したターミナルに切り替える
>>> b main
>>> run

file7.txt

/ComplexCProject
 - main.cpp, aaa.cpp
 - makefile
 - makefile_config
 - subStaticModuleA/
   - subA1.cpp, subA2.cpp
   - makefile
 - subDynamicModuleB/
   - subB1.cpp, subB2.cpp
   - makefile

gdbデバッグ用コマンド1

HOST> ssh [email protected]
PI> cd MyCProject
PI> gdb ./a.out
(gdb) b main
(gdb) run
(gdb) n
(gdb) n

gdbデバッグ用コマンド2

PI> cd
PI> wget -P ~ git.io/.gdbinit
PI> cd MyCProject
PI> gdb ./a.out
>>> b main
>>> run
>>> p i
>>> p i = 9

gdbデバッグ用コマンド3

PI_1> tty   # ターミナル1でターミナル名を確認
/dev/pts/1
PI_0> gdb ./a.out   # ターミナル0でgdb起動
>>> dashboard -output /dev/pts/1    # 出力先を↑で確認したターミナルに切り替える
>>> b main
>>> run

main.cpp

#include <stdio.h>
int main()
{
    printf("Hello World\n");
    for(int i = 0; i < 10; i++) {
        printf("i = %d\n", i);
    }
    printf("Done\n");
    return 0;
}

makefile(in_the_subDynamicModuleB_directory)

include ../makefile_config

TARGET = ../libsubModuleB.so
SRCS = subB1.cpp subB2.cpp
INCLUDES = -I./
SUBS =
SUBDIRS =

all: sub_target $(TARGET)

$(TARGET): $(OBJS) $(SUBS)
    $(CC) $(LDFLAGS) -shared -fPIC -o $@ $(OBJS) $(SUBS) 

.PHONY: sub_target
sub_target:
ifdef SUBDIRS
    $(foreach subdir,$(SUBDIRS),cd $(subdir) && $(MAKE) && cd ../ &&) cd ./
endif

.PHONY: clean
clean:
    $(DEL) *.o *.a *.exe *.dll
ifdef SUBDIRS
    $(foreach subdir,$(SUBDIRS),cd $(subdir) && $(MAKE) clean && cd ../ &&) cd ./
endif

makefile(in_the_subStaticModuleA_directory)

include ../makefile_config

TARGET = subModuleA.a
SRCS = subA1.cpp subA2.cpp
INCLUDES = -I./
SUBS =
SUBDIRS =

all: sub_target $(TARGET)

$(TARGET): $(OBJS) $(SUBS)
    $(AR) r $@ $(OBJS) $(SUBS)

.PHONY: sub_target
sub_target:
ifdef SUBDIRS
    $(foreach subdir,$(SUBDIRS),cd $(subdir) && $(MAKE) && cd ../ &&) cd ./
endif

.PHONY: clean
clean:
    $(DEL) *.o *.a *.exe *.dll
ifdef SUBDIRS
    $(foreach subdir,$(SUBDIRS),cd $(subdir) && $(MAKE) clean && cd ../ &&) cd ./
endif

makefile(in_the_top_directory)

include makefile_config

TARGET = a.out
SRCS = main.cpp aaa.cpp
SUBDIRS = subStaticModuleA subDynamicModuleB
INCLUDES += -I./ -IsubStaticModuleA -IsubDynamicModuleB
SUBS = subStaticModuleA/subModuleA.a
LIBS += -L./ -lsubModuleB

all: sub_target $(TARGET)

$(TARGET): $(OBJS) $(SUBS)
    $(CC) $(LDFLAGS) -o $@ $(OBJS) $(SUBS) $(LIBS)

.PHONY: sub_target
sub_target:
ifdef SUBDIRS
    $(foreach subdir,$(SUBDIRS),cd $(subdir) && $(MAKE) && cd ../ &&) cd ./
endif

.PHONY: clean
clean:
    $(DEL) *.o *.a *.exe *.dll *.so *.out
ifdef SUBDIRS
    $(foreach subdir,$(SUBDIRS),cd $(subdir) && $(MAKE) clean && cd ../ &&) cd ./
endif

makefile_config(in_the_top_directory)

## environment
#PLATFORM = WIN_MINGW
PLATFORM = LINUX
BINARY = DEBUG
#BINARY = RELEASE


ifeq ($(PLATFORM), WIN_MINGW)
# for win
MAKE = mingw32-make
#DEL = del
DEL = rm -f
CC = g++
AR = ar
else
# for linux
MAKE = make
DEL = rm -f
CC = g++
AR = ar
endif

ifeq ($(BINARY), DEBUG)
CFLAGS = -g3 -O0 -Wall
else
CFLAGS = -O3 -Wall
endif

LDFLAGS =
LIBS = -lm

OBJS = $(SRCS:.cpp=.o)
#OBJS = *.o

.c.o:
    $(CC) $(CFLAGS) $(INCLUDES) -c $<
.cpp.o:
    $(CC) $(CFLAGS) $(INCLUDES) -c $<

MyCProject_main.cpp

#include <stdio.h>
int main()
{
    printf("Hello World\n");
    for(int i = 0; i < 10; i++) {
        printf("i = %d\n", i);
    }
    printf("Done\n");
    return 0;
}

MyCProject構成

MyCProject/
  - main.cpp

sftp.json

{
    "host": "192.168.1.88",
    "port": 22,
    "username": "pi",
    "password": "rasp",
    "protocol": "sftp",
    "agent": null,
    "privateKeyPath": null,
    "passphrase": null,
    "passive": false,
    "interactiveAuth": false,
    "remotePath": "/home/pi/MyCProject",
    "uploadOnSave": true,
    "syncMode": "update",
    "watcher": {
        "files": false,
        "autoUpload": false,
        "autoDelete": false
    },
    "ignore": [
        "**/.vscode/**",
        "**/.git/**",
        "**/.DS_Store"
    ]
}

コンパイルコマンド

HOST> ssh [email protected]
PI> cd MyCProject
PI> gcc -g3 main.cpp
PI> ./a.out