$ cd ~/devel
$ mkdir newproject
$ cd newproject
$ vi Makefile
TARGET=1
OBJS=1.o

ifdef DEBUG
CFLAGS+=-ggdb -O0
CXXFLAGS+=-ggdb -O0
endif
LD=$(CXX)

all: $(TARGET)

$(TARGET): $(OBJS)
        $(LD) $(LDFLAGS) $^ $(LOADLIBES) $(LDLIBS) -o $@

clean:
        rm -f $(TARGET) $(OBJS)

$ vi 1.cc
#include <iostream>

int
main()
{
        std::cout << "Hello, world" << std::endl;
        return 0;

}

$ make
g++    -c -o 1.o 1.cc
g++  1.o   -o 1

$ ./1
Hello, world

$ make clean
rm -f 1 1.o
$ env DEBUG=1 make
g++ -ggdb -O0   -c -o 1.o 1.cc
g++  1.o   -o 1
$ gdb ./1
(gdb) run
Starting program: ./1 
Hello, world

Program exited normally.
(gdb)

(gdb) list main
1       #include <iostream>
2
3       int
4       main()
5       {
6                   std::cout << "Hello, world" << std::endl;
7                   return 0;
8       }
9
(gdb) break 7
Breakpoint 1 at 0x8048738: file 1.cc, line 7.

(gdb) run
Starting program: ./1 
Hello, world

Breakpoint 1, main () at 1.cc:7
7                       return 0;
(gdb)

String str="sdfsdf"
str.

String str="sdfsdf"
bytes[] var=str.getBytes(/*charsetName*/);

OBJ=`find . -name "*.cc" | sed 's/\(.*\)\.cc/\1.o/'`

$ ddd ./1

E>OBJ=`find . -name "*.cc" | sed 's/\(.*\)\.cc/\1.o/'`
E>

    program_name := iEdit
    source_dirs  := . Editor TextLine 
    include_dirs := /c/aproj/lib  /c/aproj/lib/linux
    link_flags   := -static 
    
    source_dirs  := $(addprefix ../../src/, $(source_dirs) )
    source_files := $(wildcard $(addsuffix /*.cpp, $(source_dirs) ) )
    object_files := $(notdir $(source_files) )
    object_files := $(object_files:.cpp=.o)
    
    $(program_name): $(object_files)
        gcc $^ -o $@ $(link_flags) -pipe 
        
    VPATH := $(source_dirs)
    
    %.o: %.cpp 
        gcc $< -c $(compile_flags) $(addprefix -I, $(include_dirs)) $(addprefix -I, $(source_dirs)) -MD -pipe 2>log
    
    include $(wildcard *.d)

E>$ ddd ./1
E>