我正在使用带有 CDT 插件的 Eclipse Juno，但我也尝试过在 Indigo 中，这个问题也发生在那里。我在 Ubuntu 12.04 上。
我使用以下代码创建了一个新的 C++ 项目。我在第二行设置了一个断点。
#include <iostream>
using namespace std;
int main() {
cout << "Hello world" << endl;
cout << "Hi there" << endl; // I've set a breakpoint here using eclipse
}
我的 Makefile 就是这个
CXX := g++
CXXFLAGS := -g -c
LDFLAGS := -g -std=c++11
OBJ_FILES := main.o
.PHONY: all clean
all: $(OBJ_FILES)
$(CXX) $(LDFLAGS) $(OBJ_FILES) -o proj2
main.o: main.cpp
$(CXX) $(CXXFLAGS) main.cpp -o main.o
clean:
rm -rf *.o proj2
当我在 Eclipse 中以调试模式运行它时，一切正常，但是当它运行时，gdb 会吐出以下消息：
Error in re-setting breakpoint 1: Function "/home/gulshan/Code/EECS281Workspace/Project 2/main.cpp:7" not defined.
可能值得注意的是，在这种情况下，我没有选中 eclipse 让您在启动时中断的选项，但是当该选项被选中时，它能够在第一行中断而没有任何问题。
这是怎么回事？这是 GDB 跟踪以防万一。
707,811 2-environment-cd "/home/gulshan/Code/EECS281Workspace/Project 2"
707,811 2^done
707,812 (gdb)
707,812 3-gdb-set breakpoint pending on
707,813 3^done
707,813 (gdb)
707,814 4-gdb-set detach-on-fork on
707,814 4^done
707,814 (gdb)
707,815 5-enable-pretty-printing
707,815 5^done
707,815 (gdb)
707,815 6-gdb-set python print-stack none
707,816 6^done
707,816 (gdb)
707,816 7-gdb-set print object on
707,817 7^done
707,817 (gdb)
707,818 8-gdb-set print sevenbit-strings on
707,818 8^done
707,818 (gdb)
707,818 9-gdb-set host-charset UTF-8
707,818 9^done
707,819 (gdb)
707,819 10-gdb-set target-charset UTF-8
707,819 10^done
707,819 (gdb)
707,820 11-gdb-set target-wide-charset UTF-32
707,820 11^done
707,820 (gdb)
707,820 12source .gdbinit
707,821 &"source .gdbinit\n"
707,821 &".gdbinit: No such file or directory.\n"
707,821 12^error,msg=".gdbinit: No such file or directory."
707,821 (gdb)
707,822 13-gdb-set target-async off
707,822 13^done
707,822 (gdb)
707,823 14-gdb-set auto-solib-add on
707,823 14^done
707,824 (gdb)
707,827 15-file-exec-and-symbols --thread-group i1 "/home/gulshan/Code/EECS281Workspace/Project 2/pr\
oj2"
707,828 15^done
707,828 (gdb)
707,834 16-break-insert --thread-group i1 -f "\"/home/gulshan/Code/EECS281Workspace/Project 2/main.c\
pp\":7"
707,836 16^done,bkpt={number="1",type="breakpoint",disp="keep",enabled="y",addr="0x00000000004007d4"\
,func="main()",file="main.cpp",fullname="/home/gulshan/Code/EECS281Workspace/Project 2/main.cpp",lin\
e="7",times="0",original-location="/home/gulshan/Code/EECS281Workspace/Project 2/main.cpp:7"}
707,837 (gdb)
707,843 17-inferior-tty-set --thread-group i1 /dev/pts/2
707,844 17^done
707,844 (gdb)
707,847 18-exec-run --thread-group i1
707,848 =thread-group-started,id="i1",pid="22982"
707,848 =thread-created,id="1",group-id="i1"
707,848 18^running
707,848 *running,thread-id="all"
707,848 (gdb)
707,849 19-list-thread-groups --available
707,851 =library-loaded,id="/lib64/ld-linux-x86-64.so.2",target-name="/lib64/ld-linux-x86-64.so.2",h\
ost-name="/lib64/ld-linux-x86-64.so.2",symbols-loaded="0",thread-group="i1"
707,870 &"Error in re-setting breakpoint 1: Function \"/home/gulshan/Code/EECS281Workspace/Project 2\
/main.cpp:7\" not defined.\n"
707,872 =breakpoint-modified,bkpt={number="1",type="breakpoint",disp="keep",enabled="n",addr="<PENDI\
NG>",pending="/home/gulshan/Code/EECS281Workspace/Project 2/main.cpp:7",times="0",original-location=\
"/home/gulshan/Code/EECS281Workspace/Project 2/main.cpp:7"}
707,873 =library-loaded,id="/usr/lib/x86_64-linux-gnu/libstdc++.so.6",target-name="/usr/lib/x86_64-l\
inux-gnu/libstdc++.so.6",host-name="/usr/lib/x86_64-linux-gnu/libstdc++.so.6",symbols-loaded="0",thr\
ead-group="i1"
707,874 =library-loaded,id="/lib/x86_64-linux-gnu/libc.so.6",target-name="/lib/x86_64-linux-gnu/libc\
.so.6",host-name="/lib/x86_64-linux-gnu/libc.so.6",symbols-loaded="0",thread-group="i1"
707,874 =library-loaded,id="/lib/x86_64-linux-gnu/libm.so.6",target-name="/lib/x86_64-linux-gnu/libm\
.so.6",host-name="/lib/x86_64-linux-gnu/libm.so.6",symbols-loaded="0",thread-group="i1"
707,874 =library-loaded,id="/lib/x86_64-linux-gnu/libgcc_s.so.1",target-name="/lib/x86_64-linux-gnu/\
libgcc_s.so.1",host-name="/lib/x86_64-linux-gnu/libgcc_s.so.1",symbols-loaded="0",thread-group="i1"
708,269 =thread-exited,id="1",group-id="i1"
708,270 =thread-group-exited,id="i1",exit-code="0"
708,270 *stopped,reason="exited-normally"
708,270 (gdb)
708,278 20-gdb-exit
708,278 21-data-evaluate-expression $_exitcode
708,291 19^error,msg="Quit"
708,291 (gdb)
708,292 20^exit
708,292 22-break-delete --thread-group i1 1