然后在不开启优化(即-O0)的情况下,会报链接错误,找不到符号"Function": 备注:在开启优化O1以上的情况下是可以正常编译的,编译器会将函数体进行替换 $ gcc INlineMain.c /usr/bin/ld: /tmp/ccQuzijl.o: in function `main': INlineMain.c:(.text+0xe): undefined reference to `Function' collect2: ...
/home/zhangsan/mysql-5.5.24/mysys/charset.c:533: undefined reference to `pthread_once' 3) 下面这个是因为没有指定链接参数-lrt /usr/local/thirdparty/curl/lib/libcurl.a(libcurl_la-timeval.o): In function `curlx_tvnow': timeval.c:(.text+0xe9): undefined reference to `clock_gettime' 4)...
我在gcc编译器下写了如下代码：/* InlineMain.c */#include<stdio.h>inlinevoidFunction(){printf("...
/home/zhangsan/mysql-5.5.24/mysys/charset.c:533: undefined reference to `pthread_once' 3) 下面这个是因为没有指定链接参数-lrt /usr/local/thirdparty/curl/lib/libcurl.a(libcurl_la-timeval.o): In function `curlx_tvnow': timeval.c:(.text+0xe9): undefined reference to `clock_gettime' 4)...
If a call to a given function is integrated, then the function is not output as assembler code in its own right. staticinline Enabled at levels , , and , but not . -O1-O2-O3-Os-Og 意思就是查看代码中所有的函数如果仅仅被调用了一次那么默认 inline内联 如果有函数调用了这样的static修饰的...
sub.o(.text+0xf): In function `sub_fun': : undefined reference to `printf' collect2: ld returned 1 exit status 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 出现了一大堆错误,因为 printf 等函数是在库文件中实现的。在编译 bootloader、内核时,用到这个选项──它们用到的很多函数是自...
build/applications/main.o: In function `main': /home/recan/win_share_workspace/rt-thread-share/rt-thread/bsp/qemu-vexpress-a9/applications/main.c:253: undefined reference to `test_func' collect2: error: ld returned 1 exit status scons: *** [rtthread.elf] Error 1 ...
main.c:Infunction`main': main.c:6: warning: unused variable`i' 这个警告虽然对程序没有坏的影响,但是有些警告需要加以关注,比如类型匹配的警告等。 2.5 调试选项(Debugging Option) (1)-g 以操作系统的本地格式(stabs,COFF,XCOFF,或 DWARF)产生调试信息,GDB 能够使用这些调试信息。在大多数使用 stabs 格...
main.o sub.o /usr/bin/ld: warning: cannot find entry symbol _start; defaulting to 08048074 main.o(.text+0x19): In function `main': : undefined reference to `printf' sub.o(.text+0xf): In function `sub_fun': : undefined reference to `printf' collect2: ld returned 1 exit status ...
function `curlx_tvnow': timeval.c:(.text+0xe9): undefined reference to `clock_gettime' 4) 下面这个是因为没有指定链接参数-ldl /usr/local/thirdparty/openssl/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_globallookup': dso_dlfcn.c:(.text+0x4c): undefined reference to `dlopen' dso...