Solaris 中的 PKG_CHECK_MODULES 损坏
我的项目需要 libxml2 的依赖项，我使用自动工具来检查依赖项和依赖项。安装相同的。我在configure.ac中声明了使用以下宏的依赖关系，
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"] )
该宏在GNU/Linux中按预期工作。
但不知何故，它在 Solaris 中失败，并出现以下错误
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,'
，在 Google 上搜索解决方案，大多数人抱怨未安装 pkg-config。但在我的测试机中它实际安装了，通过执行以下命令进行检查。
bash-3.00# pkg-config libxml-2.0 --modversion
2.6.23
一些建议将受到欢迎。
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"] )
The macro works as desired in GNU/Linux.
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,'
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
Some suggestions would be welcomed.
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PKG_CHECK_MODULES宏似乎没有正确扩展。当您安装pkg-config时，它是否安装了pkg.m4（在/usr/share/aclocal之类的地方）？如果是这样，请尝试再次运行aclocal（如果您在m4子目录中有自定义 m4 代码，则可以使用-I m4），然后运行autoconf。如果这不起作用并且已安装
pkg.m4，请尝试运行autoreconf -f（也可能运行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）（如果您使用的是 automake） ，以及configure.ac中的AC_CONFIG_MACRO_DIR([m4])。然后运行 aclocal -I m4和autoconf以及./configure。The
PKG_CHECK_MODULESmacro doesn't seem to be expanded properly. When you installedpkg-config, did it installpkg.m4(in somewhere like/usr/share/aclocal)? If so, try runningaclocalagain (maybe with-I m4, if you've got custom m4 code in them4subdirectory) and then runautoconf.If that doesn't work and
pkg.m4was installed, try runningautoreconf -f(and maybeautoreconf -i -f).If that doesn't work, you'll need to copy
pkg.m4to a directory for your package. Usually this is them4subdirectory. SetACLOCAL_AMFLAGS = -I m4(orACLOCAL_AMFLAGS = -I m4 --install) inMakefile.am(if you're using automake), andAC_CONFIG_MACRO_DIR([m4])inconfigure.ac. Then runaclocal -I m4andautoconfand./configure.