Autoconf 问题：“错误：C 编译器无法创建可执行文件”

发布于 2024-08-05 06:43:12 字数 1206 浏览 9 评论 0原文

我正在尝试使用 GNU 自动工具构建一个用 C 编写的程序，但显然我设置错误，因为当 configure 运行时，它会输出：

configure: error: C compiler cannot create executables

如果我查看 config .log，我看到：

configure:2846: checking for C compiler default output file name
configure:2868: gcc    conftest.c  >&5
conftest.c:3:25: warning: missing terminating " character
conftest.c:4: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "Jackoff"
| #define PACKAGE_TARNAME "jackoff
|       http://github.com/enaeseth/jackoff"
| #define PACKAGE_VERSION "0.1"
| #define PACKAGE_STRING "Jackoff 0.1"
| #define PACKAGE_BUGREPORT "Eric Naeseth <[email protected]>"
| #define PACKAGE "jackoff
|       http://github.com/enaeseth/jackoff"
| #define VERSION "0.1"
| /* end confdefs.h.  */
|
| int
| main ()
| {
|
|   ;
|   return 0;
| }

出于某种原因，autoconf 正在生成一个无效的测试文件：该行上应该包含什么内容，而该行只是一个分号？在 Ubuntu 9.04 和 Mac OS X 10.6 上构建也会以同样的方式失败，所以这绝对是我的错，而不是环境的错。

原文

I'm trying to build a program I've written in C using GNU autotools, but I evidently have it set up wrong because when configure runs, it spits out:

configure: error: C compiler cannot create executables

If I look in config.log, I see:

configure:2846: checking for C compiler default output file name
configure:2868: gcc    conftest.c  >&5
conftest.c:3:25: warning: missing terminating " character
conftest.c:4: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "Jackoff"
| #define PACKAGE_TARNAME "jackoff
|       http://github.com/enaeseth/jackoff"
| #define PACKAGE_VERSION "0.1"
| #define PACKAGE_STRING "Jackoff 0.1"
| #define PACKAGE_BUGREPORT "Eric Naeseth <[email protected]>"
| #define PACKAGE "jackoff
|       http://github.com/enaeseth/jackoff"
| #define VERSION "0.1"
| /* end confdefs.h.  */
|
| int
| main ()
| {
|
|   ;
|   return 0;
| }

For some reason, autoconf is generating an invalid test file: what should be on that line that is coming up as just an semicolon? The build fails in the same way on Ubuntu 9.04 and Mac OS X 10.6, so this is definitely my fault, not the environment's.

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安穩 2024-08-12 06:43:12

问题在于 PACKAGE_TARNAME（和 PACKAGE）中有一个换行符，它是在 configure.ac 文件中设置的。您应该查看其中包含的内容 - 修复它，然后重新生成 configure 脚本。

我的configure.ac 脚本之一包含（靠近顶部）：

AC_CONFIG_HEADER(config.h)

PACKAGE="sqlcmd"
VERSION="86.04"

AC_MSG_RESULT([Configuring $PACKAGE version $VERSION])

AC_SUBST(PACKAGE)
AC_SUBST(VERSION)

The trouble is that there is a newline in the PACKAGE_TARNAME (and PACKAGE), which is set in the configure.ac file. You should look at what that contains - fix it, and regenerate the configure script.

One of my configure.ac scripts contains (near the top):

AC_CONFIG_HEADER(config.h)

PACKAGE="sqlcmd"
VERSION="86.04"

AC_MSG_RESULT([Configuring $PACKAGE version $VERSION])

AC_SUBST(PACKAGE)
AC_SUBST(VERSION)

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