undefined reference to `_exit

相关问题:

一、undefined reference to `_exit

undefined reference to ‘end‘

warning: _close is not implemented and will always fail

一、环境:

wsl ubuntu18 22都出现相同错误,arm-none-eabi-gcc

二、完整错误:

/usr/lib/gcc/arm-none-eabi/6.3.1/../../../arm-none-eabi/lib/libc.a(lib_a-exit.o): In function `exit':
/build/newlib-jo3xW1/newlib-2.4.0.20160527/build/arm-none-eabi/newlib/libc/stdlib/../../../../../newlib/libc/stdlib/exit.c:70: undefined reference to `_exit

三、解决:

加链接库  -lnosys

$(CC)gcc  -o $(patsubst %.bin, %.elf, $(target))  $^ $(LIBINC) -lnosys

四、关于libnosys.a,随便找了篇介绍如下:

libnosys是什么鬼
libgloss目录下除了和处理器相关的子目录外,还有个很特别的子目录,那就是libnosys目录,这个目录下的源文件重新定义了libgloss的所有函数,但是所有函数都是空的,例如对照一下libgloss/write.c和libgloss/libnosys/write.c这两个文件。

                        

Opengl(.text+0x54e): undefined reference to `__imp___glewCreateShader' (.text+0x568): undefined reference to `__imp___glewShaderSource' (.text+0x585): undefined reference to `__imp___glewCompileShader' (.text+0x5b5): undefined reference to `__imp___glewCreateProgram' (.text+0x5be): undefined reference to `__imp___glewAttachShader' (.text+0x5d7): undefined reference to `__imp___glewLinkProgram' (.text+0x5e3): undefined reference to `__imp___glewDeleteShader' (.text+0x622): undefined reference to `__imp___glewUseProgram' (.text+0x6f8): undefined reference to `__imp___glewUniformMatrix4fv' (.text+0x706): undefined reference to `__imp___glewGetUniformLocation' (.text+0x773): undefined reference to `__imp___glewUniform3fv' (.text+0x79a): undefined reference to `__imp___glewBindVertexArray' (.text+0xa21): undefined reference to `__imp___glewGenVertexArrays' (.text+0xa32): undefined reference to `__imp___glewGenBuffers' (.text+0xa52): undefined reference to `__imp___glewBindBuffer' (.text+0xa79): undefined reference to `__imp___glewBufferData' (.text+0xa8b): undefined reference to `__imp___glewVertexAttribPointer' (.text+0xab5): undefined reference to `__imp___glewEnableVertexAttribArray' (.text+0xca2): undefined reference to `__imp___glewGenVertexArrays' (.text+0xd36): undefined reference to `__imp___glewEnableVertexAttribArray' (.text.startup+0x71): undefined reference to `__imp_glewExperimental' (.text.startup+0x7a): undefined reference to `__imp_glewInit' (.text.startup+0x29e): undefined reference to `__imp___glewDeleteProgram'和[错误] ld returned 1 exit status
最新发布
04-01
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