在Mavericks上安装xml2包时出错

时间：2015-11-11 11:00:32

标签： r libxml2 devtools

我正在尝试在R中安装devtools软件包，因为需要安装它的依赖项xml2，但是我收到以下错误消息。

> install.packages("xml2")
Installing package into ‘/Users/xlong3/Library/R/3.2/library’
(as ‘lib’ is unspecified)
trying URL 'https://cran.rstudio.com/src/contrib/xml2_0.1.2.tar.gz'
Content type 'application/x-gzip' length 74808 bytes (73 KB)
==================================================
downloaded 73 KB

* installing *source* package ‘xml2’ ...
** package ‘xml2’ successfully unpacked and MD5 sums checked
Found pkg-config cflags and libs!
Using PKG_CFLAGS=-I/Users/xlong3/anaconda/include/libxml2
Using PKG_LIBS=-L/Users/xlong3/anaconda/lib -lxml2 -lz -liconv -lm
** libs
clang++ -I/usr/local/Cellar/r/3.2.2_1/R.framework/Resources/include -DNDEBUG -I/Users/xlong3/anaconda/include/libxml2 -I/usr/local/opt/gettext/include -I/usr/local/opt/readline/include -I/usr/local/opt/openssl/include -I"/Users/xlong3/Library/R/3.2/library/Rcpp/include" -I"/usr/local/lib/R/3.2/site-library/BH/include"   -fPIC  -g -O2  -c RcppExports.cpp -o RcppExports.o
clang++ -I/usr/local/Cellar/r/3.2.2_1/R.framework/Resources/include -DNDEBUG -I/Users/xlong3/anaconda/include/libxml2 -I/usr/local/opt/gettext/include -I/usr/local/opt/readline/include -I/usr/local/opt/openssl/include -I"/Users/xlong3/Library/R/3.2/library/Rcpp/include" -I"/usr/local/lib/R/3.2/site-library/BH/include"   -fPIC  -g -O2  -c connection.cpp -o connection.o
clang++ -I/usr/local/Cellar/r/3.2.2_1/R.framework/Resources/include -DNDEBUG -I/Users/xlong3/anaconda/include/libxml2 -I/usr/local/opt/gettext/include -I/usr/local/opt/readline/include -I/usr/local/opt/openssl/include -I"/Users/xlong3/Library/R/3.2/library/Rcpp/include" -I"/usr/local/lib/R/3.2/site-library/BH/include"   -fPIC  -g -O2  -c xml2_doc.cpp -o xml2_doc.o
clang++ -I/usr/local/Cellar/r/3.2.2_1/R.framework/Resources/include -DNDEBUG -I/Users/xlong3/anaconda/include/libxml2 -I/usr/local/opt/gettext/include -I/usr/local/opt/readline/include -I/usr/local/opt/openssl/include -I"/Users/xlong3/Library/R/3.2/library/Rcpp/include" -I"/usr/local/lib/R/3.2/site-library/BH/include"   -fPIC  -g -O2  -c xml2_init.cpp -o xml2_init.o
clang++ -I/usr/local/Cellar/r/3.2.2_1/R.framework/Resources/include -DNDEBUG -I/Users/xlong3/anaconda/include/libxml2 -I/usr/local/opt/gettext/include -I/usr/local/opt/readline/include -I/usr/local/opt/openssl/include -I"/Users/xlong3/Library/R/3.2/library/Rcpp/include" -I"/usr/local/lib/R/3.2/site-library/BH/include"   -fPIC  -g -O2  -c xml2_namespace.cpp -o xml2_namespace.o
clang++ -I/usr/local/Cellar/r/3.2.2_1/R.framework/Resources/include -DNDEBUG -I/Users/xlong3/anaconda/include/libxml2 -I/usr/local/opt/gettext/include -I/usr/local/opt/readline/include -I/usr/local/opt/openssl/include -I"/Users/xlong3/Library/R/3.2/library/Rcpp/include" -I"/usr/local/lib/R/3.2/site-library/BH/include"   -fPIC  -g -O2  -c xml2_node.cpp -o xml2_node.o
clang++ -I/usr/local/Cellar/r/3.2.2_1/R.framework/Resources/include -DNDEBUG -I/Users/xlong3/anaconda/include/libxml2 -I/usr/local/opt/gettext/include -I/usr/local/opt/readline/include -I/usr/local/opt/openssl/include -I"/Users/xlong3/Library/R/3.2/library/Rcpp/include" -I"/usr/local/lib/R/3.2/site-library/BH/include"   -fPIC  -g -O2  -c xml2_url.cpp -o xml2_url.o
clang++ -I/usr/local/Cellar/r/3.2.2_1/R.framework/Resources/include -DNDEBUG -I/Users/xlong3/anaconda/include/libxml2 -I/usr/local/opt/gettext/include -I/usr/local/opt/readline/include -I/usr/local/opt/openssl/include -I"/Users/xlong3/Library/R/3.2/library/Rcpp/include" -I"/usr/local/lib/R/3.2/site-library/BH/include"   -fPIC  -g -O2  -c xml2_xpath.cpp -o xml2_xpath.o
clang++ -I/usr/local/Cellar/r/3.2.2_1/R.framework/Resources/include -DNDEBUG -I/Users/xlong3/anaconda/include/libxml2 -I/usr/local/opt/gettext/include -I/usr/local/opt/readline/include -I/usr/local/opt/openssl/include -I"/Users/xlong3/Library/R/3.2/library/Rcpp/include" -I"/usr/local/lib/R/3.2/site-library/BH/include"   -fPIC  -g -O2  -c xml_push.cpp -o xml_push.o
clang++ -dynamiclib -Wl,-headerpad_max_install_names -undefined dynamic_lookup -single_module -multiply_defined suppress -L/usr/local/Cellar/r/3.2.2_1/R.framework/Resources/lib -L/usr/local/opt/gettext/lib -L/usr/local/opt/readline/lib -L/usr/local/opt/openssl/lib -o xml2.so RcppExports.o connection.o xml2_doc.o xml2_init.o xml2_namespace.o xml2_node.o xml2_url.o xml2_xpath.o xml_push.o -L/Users/xlong3/anaconda/lib -lxml2 -lz -liconv -lm -F/usr/local/Cellar/r/3.2.2_1/R.framework/.. -framework R -lintl -Wl,-framework -Wl,CoreFoundation
installing to /Users/xlong3/Library/R/3.2/library/xml2/libs
** R
** inst
** preparing package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded
Error in dyn.load(file, DLLpath = DLLpath, ...) : 
  unable to load shared object '/Users/xlong3/Library/R/3.2/library/xml2/libs/xml2.so':
  dlopen(/Users/xlong3/Library/R/3.2/library/xml2/libs/xml2.so, 6): Library not loaded: libxml2.2.dylib
  Referenced from: /Users/xlong3/Library/R/3.2/library/xml2/libs/xml2.so
  Reason: image not found
Error: loading failed
Execution halted
ERROR: loading failed
* removing ‘/Users/xlong3/Library/R/3.2/library/xml2’

The downloaded source packages are in
    ‘/private/tmp/RtmpJc4WKq/downloaded_packages’
Warning message:
In install.packages("xml2") :
  installation of package ‘xml2’ had non-zero exit status
>




> version
               _                           
platform       x86_64-apple-darwin13.4.0   
arch           x86_64                      
os             darwin13.4.0                
system         x86_64, darwin13.4.0                                              
version.string R version 3.2.2 (2015-08-14)
nickname       Fire Safety

3 个答案:

答案 0 :(得分：1)

问题是'pkg-config'专门针对'libxml2.pc'，而你安装的文件名为“libxml-2.0.pc”。如果您手动在现有文件和pkg-config预期文件之间创建符号链接，则应解决该错误。

这样的事情（在与文件相同的目录中完成）应该有效 $ ln -s libxml-2.0.pc libxml2.pc

答案 1 :(得分：0)

我不确定如何从以下情况出发：

   pkg-config --libs --cflags  libxml2
     

在pkg-config搜索路径中找不到包libxml2。   也许你应该添加包含`libxml2.pc＆＃39;的目录。   到PKG_CONFIG_PATH环境变量   没有包＆＃39; libxml2＆＃39;找到了

     

brew ls libxml2 

/usr/local/Cellar/libxml2/2.9.2/bin/xml2-config
/usr/local/Cellar/libxml2/2.9.2/bin/xmlcatalog
/usr/local/Cellar/libxml2/2.9.2/bin/xmllint
/usr/local/Cellar/libxml2/2.9.2/include/libxml2/ (47 files)
/usr/local/Cellar/libxml2/2.9.2/lib/libxml2.2.dylib
/usr/local/Cellar/libxml2/2.9.2/lib/cmake/libxml2/libxml2-config.cmake
/usr/local/Cellar/libxml2/2.9.2/lib/pkgconfig/libxml-2.0.pc
/usr/local/Cellar/libxml2/2.9.2/lib/ (3 other files)
/usr/local/Cellar/libxml2/2.9.2/share/aclocal/libxml.m4
/usr/local/Cellar/libxml2/2.9.2/share/doc/ (153 files)
/usr/local/Cellar/libxml2/2.9.2/share/gtk-doc/ (55 files)
/usr/local/Cellar/libxml2/2.9.2/share/man/ (4 files)

答案 2 :(得分：-1)

尝试更改您的CRAN镜像

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