PKG_CHECK_MODULES 在solaris 中被破坏 [英] PKG_CHECK_MODULES breaking in solaris

问题描述

我的项目需要依赖 libxml2 我正在使用 autotools 检查依赖项 &安装一样.我在 configure.ac 中声明了使用以下宏的依赖

My project requires dependency of libxml2 am using autotools to check the dependencies & install the same. I declare the dependency of using the following macro in configure.ac

echo -n "checking if libxml2 is present... "

PKG_CHECK_MODULES([LIBXML2], [libxml-2.0 >= 2.6.19],
              [echo "yes (features requiring libxml2 enabled)"  AC_DEFINE(HAVE_LIB_XML, 1,     [define if libxml2 is present])],
              [echo "no"] )

宏在 GNU/Linux 中按需要工作.

The macro works as desired in GNU/Linux.

但不知何故它在 Solaris 中失败并出现以下错误

But somehow it fails in Solaris with the following error

checking if libxml2 is present... ./configure: line 11586: syntax error near unexpected token `LIBXML2,'
./configure: line 11586: `PKG_CHECK_MODULES(LIBXML2, libxml-2.0 >= 2.6.19,'

谷歌搜索解决方案，他们中的大多数人抱怨没有安装 pkg-config.但在我的测试机上实际安装了，通过执行以下命令进行检查.

Googled for a solution, most of them complain of pkg-config not being installed. But in my test machine its actually installed, checked it by executing the following command.

bash-3.00# pkg-config libxml-2.0 --modversion
2.6.23

欢迎提出一些建议.

推荐答案

PKG_CHECK_MODULES 宏似乎没有正确展开.当您安装 pkg-config 时，它是否安装了 pkg.m4(在类似 /usr/share/aclocal 的地方)?如果是这样，请再次尝试运行 aclocal(也许使用 -I m4，如果您在 m4 子目录中有自定义 m4 代码)，然后运行 autoconf.

The PKG_CHECK_MODULES macro doesn't seem to be expanded properly. When you installed pkg-config, did it install pkg.m4 (in somewhere like /usr/share/aclocal)? If so, try running aclocal again (maybe with -I m4, if you've got custom m4 code in the m4 subdirectory) and then run autoconf.

如果这不起作用并且 pkg.m4 已安装，请尝试运行 autoreconf -f(也许 autoreconf -i -f).

If that doesn't work and pkg.m4 was installed, try running autoreconf -f (and maybe autoreconf -i -f).

如果这不起作用，您需要将 pkg.m4 复制到您的包的目录中.通常这是 m4 子目录.在 Makefile.am 中设置 ACLOCAL_AMFLAGS = -I m4(或 ACLOCAL_AMFLAGS = -I m4 --install)(如果你使用的是 automake)，以及 configure.ac 中的 AC_CONFIG_MACRO_DIR([m4]).然后运行 ​​aclocal -I m4 和 autoconf 和 ./configure.

If that doesn't work, you'll need to copy pkg.m4 to a directory for your package. Usually this is the m4 subdirectory. Set ACLOCAL_AMFLAGS = -I m4 (or ACLOCAL_AMFLAGS = -I m4 --install) in Makefile.am (if you're using automake), and AC_CONFIG_MACRO_DIR([m4]) in configure.ac. Then run aclocal -I m4 and autoconf and ./configure.

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