Nloptr cmake download. options: Return a data.

Nloptr cmake download && make in order to ensure that cmake produces the correct type of makefile. It has to be delivered to Linux Mint 20. 2k次，点赞28次，收藏51次。R语言安装过程遇到许多奇奇怪怪的问题，对此的解决做个记录，避免日后掉坑里_pcre2 library and headers are required, or use --with-pcre1 and pcre >= 8. nloptr: R Interface to NLopt. You signed out in another tab or window. Package ‘nloptr’ June 25, 2024 Type Package Title R Interface to NLopt Version 2. Dec 30, 2024 · 总的来说，NLopt在C++和Windows+VS环境下的使用涉及库的安装、配置、API调用以及优化问题的定义。正确理解和应用这些知识点，可以帮助你在实际项目中有效地解决非线性优化问题。 Saved searches Use saved searches to filter your results more quickly Sep 10, 2023 · In our use case we build an executable on ubuntu 20. If the NLopt library cannot be found, the code is compiled using the NLopt source included in the nloptr package. 0-rc5) The release was packaged with CPack which is included as part of the release. Then install the NLopt libraries and header files via: sudo make install Jul 4, 2024 · nloptr: R interface to NLopt; nloptr. packages when run from the console executes as user, so, unlless you're scrupulous about never installing from a normal "working sesssion", you have a confusing web of some libraries belonging to super user and some not. && make && sudo make install procedure. 04 and you have r-cran-nloptr inside the distribution too (albeit an older version). options: Print description of nloptr options; nl. It happens when I R CMD INSTALL nloptr_2. Linux and macOS Mar 1, 2022 · concerning cmake on centOS,. This is a patch version in which: I link to the nlopt library via nlopt/lib/libnlopt. nloptr. x) that has changed OS dependencies. I recommend building on an appropriately vintaged Red Hat machine and using their SCL magic toolchains that embed extra symbols in the binaries as needed while only runtime-requiring the base libraries. Nov 9, 2019 · 无法在没有root权限的群集上安装nloptr / nlopt - 我试图安装(在基于Linux的群集上)R程序包FactoMineR，它需要nloptr，而nloptr则需要nlopt。 只使用install. 816344469+0000] Building R package: nloptr (2. NLopt is a free/open-source library for nonlinear optimization, providing a common interface for a number of different free optimization routines available online as well as original implementations of various other algorithms. x, installation of nloptr will directly link with nlopt 2. make sudo make install But I found the cmake version which nlopt needed should be higher than 3. bashrc文件中将3版本的cmake添加到PATH中。然后使用“which cmake”查看cmake的路径是否3版本的cmake。然后再次安装nplotr，成功。继而安装ggbubr，成功。 Download and installation. nloptr also needs you to install cmake so run at terminal. If that variable cannot be set, install will abort suggesting ways of installing CMake. If you are running on R >= 4. R suggested I download CMake, which I did. Simply running install. 0' found Package libxml-2. m。注意：这一步用管理员身份打开matlab。 Apr 18, 2015 · 我正在尝试将R包nloptr安装在一台没有互联网连接的CentOS Linux机器上，如下所示： May 30, 2019 · Linux(centos7下载安装) 下载安装Centos7主要有五个个步骤： 1，下载Centos7镜像文件 2，制作U盘系统盘（网上建议U盘8G以上，但其实占用了4G左右的空间，8G应该够了） 3，在电脑上腾出安装Centos7的的空间 4，安装Centos7 5，设置开机系统选项 下载信息查自：下载 安装信息查自：安装 下面对五个步骤进行 Jan 27, 2022 · And I think that people running on too old versions of cmake (where too old is wrt the use we are making of it) should simply be informed that if they want to be able to use the nloptr package then they either need a recent enough version of cmake (>= 3. io with no problem from my old laptop with Windows 10, R version 4. 0 -- The CXX compiler identification is IntelLLVM 2024. The . NLopt is designed to be installed on any Unix-like system (GNU/Linux is fine) with a C compiler, using the standard. We would like to show you a description here but the site won’t allow us. Per the link I gave above we know Ubuntu has a r-cran-nloptr for your (very old) Xenial installation. Jan 2, 2021 · mkdir build cd build cmake . Various minor bugfixes (#570, #563, #379, #511) I am trying to compile nlopt on AIX7. 6环境下安装nloptr包，但是一直报错，也在linux环境下安装了nlopt，cmake，但是一直还是安装不了，求大声支招 Solve optimization problems using an R interface to NLopt. Borchers [ctb] , Dirk Eddelbuettel [ctb] , Brian Ripley [ctb] (build process on multiple OS) , Kurt Hornik [ctb] (build process on multiple OS) , Julien Chiquet [ctb] , Avraham Adler [ctb] , Xiongtao Dai [ctb] , Jeroen Ooms [ctb] Navigation Menu Toggle navigation. 1 from the Rtools42 toolchain. R package citation, R package reverse dependencies, R package scholars, install an r package from GitHub hy is package acceptance pending why is package undeliverable amazon why is package on hold dhl tour packages why in r package r and r package full form why is r free why r is bad which r package to install which r package has which r package which r package version which r package readxl Mar 8, 2023 · 文章浏览阅读1. They need a more recent version of both NLopt and cmake. The solution is easy, users just need to load the newer versions of cmake: module load cmake/3. Sep 1, 2022 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Feb 6, 2020 · To see what package apt knows about, do apt-cache policy r-cran-nloptr. As you are on Ubuntu, the easiest fix for you is probably to just install the system nlopt library, which the nloptr package will detect and use. x, installation of nloptr will rely on a valid internet connexion to download the nlopt 2. 1. I can jsut click on the file and it takes me to a text version within my browser. 5 is not provided. packages("nloptr") did not work as cmake's version is too low. On Apr 18, 2015 · 我正在尝试将R包nloptr安装在一台没有互联网连接的CentOS Linux机器上，如下所示： Jan 28, 2022 · I am now unable to install nloptr, therefore I cannot run lme4. Skip to content. Otherwise, NLopt 2. 04) every CRAN package as an Ubuntu binary and is generally current. And since this summer there is r2u which gives you (on Ubuntu 20. 1) /mnt/packages/build /mnt checking whether the C++ compiler works yes checking for C++ compiler d May 25, 2016 · If you run into this problem with nloptr 1. packages("nloptr")' nloptr provides an R interface to NLopt, a free/open-source library for nonlinear optimization providing a common interface to a number of different optimization routines which can handle nonlinear constraints and lower and upper bounds for the controls. nloptr的安装信息中提示cmake出错。于是猜想，可能是nplotr在编译过程中用的还是系统中2版本的cmake，所以我在. On Windows, NLopt is obtained through 'rwinlib' for 'R <= 4. CRAN release: 2022-05-19. Since nlopt is pretty quick to compile, we might consider do this on one thread only, hence avoiding the use of -j which would make nloptr compatible with older cmake versions as well. 3) and CMake (version 3. I understand why some people Mar 16, 2025 · nloptr Jelmer Ypma, Aymeric Stamm, and Avraham Adler 2025-03-16. Fixed COBYLA not returning the optimum . 1 of NLopt is the latest version available from GitHub: v2. Mar 29, 2022 · 切换到Linuxsu – 转root权限密码 apt install cmakeExit nloptr 2. print. txt file even before calling the project() command. 0cento In this tutorial, we illustrate the usage of NLopt in various languages via one or two trivial examples. It might also be the case that the user has disabled CMake's RPATH handling with CMAKE_SKIP_RPATH. So, I'm attempting to install nloptr on a CentOS 7 server to which I do not have root access. Jun 28, 2024 · nloptr. make in the nlopt directory. gz (tarball built from the git directory via R CMD build nloptr). 3. This document is an introduction to nloptr: an R interface to NLopt. In this case, a binary of CMake stored in environment variable CMAKE_BIN is searched on the PATH and, alternatively, on a macOS-specific location. On Linux and 'macOS', if a suitable system build of NLopt (2. tar. (more information on github nloptr. We would like to show you a description here but the site won’t allow us. 2. 32 Jul 12, 2016 · When Jelmer and I built this setup it just worked on my Ubuntu machines, and continues to do so--either with the download and build of nlopt, or via the system library. copied from asmeurer / r-nloptr Mar 18, 2022 · I have written an app, which I can deploy on shinyapps. Octave plugin Jul 4, 2024 · In nloptr: R Interface to NLopt nloptr. 10. The minimal version requirement on cmake is Jun 25, 2024 · Building from included sources requires 'CMake'. Fixed SLSQP returning infeasible optimum . 13 support . 3 and this works quite well allowing be to build nloptr 2. io. github. However it will clash with the very new and current R you have running. sbplx. During installation of nloptr on Unix-based systems, the installer checks whether the NLopt library is installed on the system. Jan 26, 2022 · You signed in with another tab or window. x' or grabbed from the 'Rtools42 toolchain' for 'R >= 4. Jan 27, 2022 · Unfortunately brew install cmake didn't help me, nor did installing nloptr from source, nor did configuring RStudio to use the correct PATH. 1 Description Solve optimization problems using an R interface to NLopt. Trying to install lme4 today has repeated issues, specifically with installing the dependency nloptr. I have not added any variant args just spack install nlopt Expected Result clean build Actual Result ==> Installing nlopt curl: (37) Couldn't open file MIRR I tried to install nloptr on R 4. May 17, 2022 · 于linux环境中安装nloptr 重新安装包。 sudo port install cmake (MacOS; inside a terminal with MacPorts) Alternatively install CMake from: <https://cmake Aug 1, 2021 · And, if I may, we worked a lot on the package installation. 3k次，点赞4次，收藏29次。本文详细介绍了在Ubuntu18. The default cmake in my computer was version 2. The 1st "cmake" step finished successfully. 1 on macOS High Sierra, brew install nlopt will fail because of inadequate permissions in /usr/local. Download source package Read PDF manual. 04 and Ubuntu 22. Johnson [aut] (author of the NLopt C library) , Aymeric Stamm [ctb, cre] , Hans W. 0 fails to install on R 4. nloptr — R Interface to NLopt. 取消勾选BUILD_SHARED_LIBS，这样就不会生成dll而是只以lib的形式封装代码 Jan 26, 2022 · 文章浏览阅读6. sthg) or a recent enough system build of nlopt (>=2. However I can't install it and the process in the console is this: 工作中经常遇到优化的问题，比如多数的统计方法最终都可以归结为一个优化问题。一般的统计和数值计算软件都会包含最优化算法的函数，比如Matlab中的fminsearch等，不过对于C等其他语言，很多时候可以选择的并不多… Jan 9, 2023 · R包 ERROR: configuration failed for package‘nloptr’_error: configuration failed for package ‘nloptr’ ERROR: configuration failed for package nloptr，gert, Cairo qq_35598865 已于 2023-01-09 21:37:43 修改 Sep 17, 2022 · Another thing you could get away with is to install the OS package nlopt for your linux distro. 28. However, in accordance with the answer, I have updated my R (version 4. Provide details and share your research! But avoid …. Subplex Algorithm. sh files are self extracting gziped tar files. The NLopt library is available under the GNU Lesser General Public License (LGPL), and the copyrights are owned Aug 13, 2024 · 检查包名和版本：确保在安装包时提供了正确的包名，并且该包存在于CRAN（Comprehensive R Archive Network）或其他可用的软件源中。。可以查看包的文档或官方网站，了解它的依赖关系，并在安装之前满足这些依赖关 Mar 16, 2025 · nloptr Jelmer Ypma, Aymeric Stamm, and Avraham Adler 2025-03-16. 1 is built from included sources using CMake. a instead of -Lnlopt/lib -lnlopt when building nlopt from included sources to avoid potential mess where -lnlopt could look for the nlopt library in other places and possibly link with an existing too old system build of nlopt. nloptr: Print results after running nloptr; sbplx: Subplex Algorithm We would like to show you a description here but the site won’t allow us. default. 1) project( Nlopt -Test) set (CMAKE_CXX_STANDARD 11) find_package( NLopt REQUIRED) include_d Aug 1, 2021 · 正如上面评论中所讨论的，这里的问题是 nlopt 库的“非常规”（因此不工作）“安装”：不能只是在某个地方解压它，因为动态链接器需要了解它、更新它的缓存等。 Jan 27, 2022 · I am working on Databricks through my company's subscription and need to install R packages each time I open my cluster. 12. Apps. So sudo apt install r-cran-nloptr works as well. Templates May 19, 2022 · Ok, now we know you have Debian 10. The problem seems to be related to the nloptr package, New NLOPT_LUKSAN cmake option to build without Luksan LGPL code . 23. 该方法从自从分享后，后续又遇到了多种安装包非零问题，最终都采用该方法得到了解决，此后安装R包从没有再失败。 但是值得说明的是，目前基本都是在linux系统中进行操作，windows还没遇到，后续遇到会补充。 安装m… May 17, 2020 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Authors: Jelmer Ypma [aut] , Steven G. What you didn't say is that you also switched to a newer R (likely via the Debian backport) so that r-api-3. 1 headers and static library from rwinlib and use it. copied from cf-staging / r-nloptr Apr 28, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. . one needs to use Version 2. It runs fine on my local machine, but I can't deploy to shinyapps. Nov 11, 2021 · Package libxml-2. For that it will need cmake in Version >= 3. 6），centos7. Title: R Interface to NLopt Description: Solve optimization problems using an R interface to NLopt. I would then have to copy and paste and save as from notepad / R and that seems an awful lot of work - what am I doing wrong? Jan 28, 2022 · If you are running on R <= 4. you can download it Jan 31, 2022 · Well, the reason that we need cmake >= 3. This did not fix the problem. Reload to refresh your session. 0'. It has nothing to do with lme4 . Other packages I tried the installed successsfully. Building from included sources requires 'CMake'. 2 · Issue #104 · astamm/nloptr · GitHub On Linux and 'macOS', if a suitable system build of NLopt (2. gz or (equivalently) when I run R CMD check --as-cran nloptr_2. with pacman -S mingw-w64-x86_64-cmake) and then build via cmake -G"MSYS Makefiles" . NLopt is a free/open-source library for nonlinear optimization, started by Steven G. The minimal version requirement on cmake is Feb 8, 2012 · 2. Print results after running nloptr. nloptr will check if NLopt is installed and in the right version. Я попытался установить cmake и gfortran, но без особого успеха. The fix: Release Candidate (4. 4)中安装，也遇到了同样的问题。 提前谢谢。 Navigation Menu Toggle navigation. cmake . 3, however I get this error: Can someone point me to a solution? Thanks in advance. 04 Docker container) where the NLopt sources are used, I get a screenful of line noise from tar I have never seen: [] using NLopt via local cmake build on x86_64 set CMAKE_BIN=/usr/bin/cmake /bin/tar: Igno Nov 28, 2022 · Looking beyond this for a second though, you are on Ubuntu 22. 15. 04系统中安装nlopt优化库的具体步骤，包括从官网下载源码包、解压、使用cmake进行配置及编译安装等过程，并解决了编译过程中找不到FindNLOPT. gz" and save it to the directory in VSC; problem installing nloptr 2. 0 Skip to content Mar 3, 2023 · Hello, I tried what you said and I was successfully able to install the package after that. 0 is because earlier versions did not allow the use of multiple threads through the -j argument. CMakeLists 配置 cmake_minimum_required(VERSION 3. The package is named NLopt-devel on RHEL/CentOS (via the EPEL repository) and libnlopt-cxx-dev / libnlopt-devon Debian/ubuntu distros. – Mar 15, 2022 · Hi Thank you for all the effort maintaining this package. You switched accounts on another tab or window. 0 is built from included sources using CMake. get. cmake配置文件的问题。 :exclamation: This is a read-only mirror of the CRAN R package repository. Such as the costs of mixing and matching. 0版本的cmake，或者选择自行编译。通过备份旧版本cmake并指向新版本，可以成功进行R包的编译。 Oct 6, 2020 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Apr 8, 2022 · I am encountering the same type of problem as described in this question. nloptr: Print results after running nloptr; sbplx: Subplex Algorithm I try to install devtools package in an Ubuntu 16. packages( 你的浏览器禁用了JavaScript, 请开启后刷新浏览器获得更好的体验! Spaces. Sign in Product 几分钟前我也遇到了同样的问题。我试着安装cmake和gfortran，但几乎没有成功。我注意到，当我最后一次尝试install. 6 module load r Rscript -e 'install. The minimal version requirement on cmake is If you want to compile NLopt on Windows with MinGW, be sure to install the MinGW version of cmake (e. The manual is divided into a the following sections: NLopt Introduction — overview of the library and the problems that it solves Mar 1, 2023 · 几分钟前我也遇到了同样的问题。我试着安装cmake和gfortran，但几乎没有成功。我注意到，当我最后一次尝试install. x' or grabbed from the appropriate toolchain for 'R >= 4. 0. That precludes use of the package in the (old) distro due to your use of a nloptr: R interface to NLopt; nloptr. Python 3. 04 but with gcc-11. 3 with generator Unix Makefiles -- The C compiler identification is IntelLLVM 2024. 6. install. io/nloptr/index. 1、安装mingw （使用命令 gcc -v 检查是否安装，若已安装最下面一行会显示gcc version)2、安装cmake （使用命令cmake --version 检查是否安装，若出现版本号说明已安装）4、验证是否配置成功，运行测试代码：{nlopt安装包}\test\t_matlab. Link to section 'nloptr' of 'r' nloptr. 0). So you should check WIN32 and CMAKE_SKIP_RPATH and add DIRECTORIES "$<TARGET_FILE_DIR:lib::lib>" if either is set. 0 -- The Fortran compiler identification is IntelLLVM 2024. If not, it will automatically build NLopt within the R package itself. 2或更高，当前运行的是2. nloptr: R interface to NLopt; nloptr. Linux and macOS nloptr: R Interface to NLopt. gz下载完成后解压，文件结构如图 step2 打开cmd，进入到解压后的文件夹 输入如下命令，创建build文件夹 mkdir build cd build 使用cmake编译生成makefile cmake -G"MinGW Makefiles" . The minimal version requirement on cmake is Feb 10, 2022 · also installing the dependency `nloptr` Warning message in install. nloptr: Print results after running nloptr; sbplx: Subplex Algorithm Nov 18, 2017 · I'm trying to install the package nloptr on Mac OS High Sierra in order to use many nice packages like lme4, and I'm using RStudio inside Anaconda, with R 3. gz mkdir build cd build cmake . Solve optimization problems using an R interface to NLopt. 0 on debian 9 with R 4. Jun 13, 2020 · I was having the same problem After install nloptr, it worked. Dec 23, 2024 · 文章浏览阅读2. 7. 0 and R 3. 5. Sign in Product May 14, 2018 · This is a new package to my spack build. Try Teams for free Explore Teams Apr 18, 2015 · IME, installing libraries as super-user can lead to confusion and possibly dependency hell. Asking for help, clarification, or responding to other answers. frame with all the options that can be supplied nloptr-package: R interface to NLopt; nloptr. Version 2. May 24, 2016 · 有什么线索吗？ 我还尝试在r的老版本(2. 1 with an older libstd++ installed. Nov 21, 2020 · This question does not show any research effort; it is unclear or not useful Apr 4, 2023 · NLopt的CMake File中也直接提供了在matlab下使用的编译方式，参考上述编译过程，在CMake的GUI中做出如下设定： 2. Good. nloptr is an R interface to NLopt, a free/open-source library for nonlinear optimization started by Steven G. Homepage: https://astamm. 2 which was /usr/bin/cmake. Dropped unused LD_LBFGS_NOCEDAL enum value. html Jan 18, 2022 · When I build (in a Ubuntu 20. nloptr provides an R interface to NLopt, a free/open-source library for nonlinear optimization providing a common interface to a number of different optimization routines which can handle nonlinear Feb 1, 2022 · If you are running on R <= 4. Thank you very much for your help and have a wonderful day;) Call the cmake_minimum_required() command at the beginning of the top-level CMakeLists. packages("nloptr")时，出现了以下错误消息：There are binary versions available but the source versions are later. 04 VM in which I am wrong. sudo make install 2. 3和2. Feb 9, 2022 · I have a markdown doc that includes several embedded inline shiny apps. packages("lme4"): “installation of package ‘nloptr’ had non-zero exit status” Warning Aug 10, 2023 · nloptr can be quite picky when it comes to cmake - Which version of cmake do you have in /usr/local/bin (cmake --version) ?On my Mac I have cmake 3. options: Return a data. 4. opts: Setting NL Options; print. Fixed STOGO not registering new optimum . Navigation Menu Toggle navigation Welcome to the manual for NLopt, our nonlinear optimization library. According to the documentation, in the section labeled Installing CMake (macOS and Linux only), the nloptr package installer expects to find the cmake executable either at: Otherwise, NLopt 2. I have also installed NLopt (downlo Jan 26, 2022 · 我正试图在R和RStudio中安装“RStudio”库，这在我使用M1 Mac之前就已经开始使用了，但现在它没有安装。有困难的依赖是："nloptr“。下面是我当前的错误：clang++ -arch arm64 -std=gnu++11 -dynamiclib -Wl,-headerpad_max_install_names -undefined dynamic_lookup -single_mo Feb 23, 2022 · Saved searches Use saved searches to filter your results more quickly Aug 12, 2021 · On Linux and macOS, it will use the embedded RPATH information, but Windows has no corresponding concept. Package ‘nloptr’ March 17, 2025 Type Package Title R Interface to NLopt Version 2. It is important to Mar 18, 2022 · Issues with nloptr Problem statement nloptr has released a new major version (2. Jun 28, 2024 · Building from included sources requires 'CMake'. 1k次。在尝试安装R包nloptr时遇到错误，提示需要CMake版本3. May 19, 2022 · When I click to download them, I cannot see a download button. May 5, 2022 · Hello, Package nloptr depends on cmake which seems to be missing: [2022-05-05T11:28:16. 20. 0 was not found in the pkg-config search path. I am the author of the contributed code looking for a local library (which fell over for you as it ended up being half-installed only) whereas Jelmer is more conservative and would have built the library for you as part of the installation of the R package had the local (yet borked) installation not been found. У меня была такая же проблема несколько минут назад. g. Mar 27, 2023 · CMAKE_INSTALL_PREFIX 为cmake内置变量，用于指定cmake 执行install目标时，安装的路径前缀。方法1-在执行cmake时指定： cmake-DCMAKE_INSTALL_PREFIX=<你想要安装的路径> 方法二-设置CMAKE_INSTALL_PREFIX 变量： SET(CMAKE_INSTALL_PREFIX <install_path>) 要加在 PROJECT(< project_name>) 之后。 Oct 4, 2024 · I have the same issue with NOT-FOUND on Linux with older oneAPI and cmake-- Using CMake 3. packages("nloptr", dependencies = TRUE) nloptr: R Interface to NLopt Solve optimization problems using an R interface to NLopt. 0 and cmake 3. 8. (当我试图安装它的依赖项时也是如此：nloptr、pbkrtest、lme4、car、rstatix、FactoMineR、ggpubr )知道吗？谢谢ps：R版本4. Johnson, providing a common interface for a number of different free optimization routines available online as well as original implementations of various other algorithms. copied from asmeurer / r-nloptr Nov 7, 2019 · 安装 NLopt 官网 下载 v2. sudo apt install cmake And then install nloptr. 3) and I still can't se Feb 23, 2022 · 我正在尝试安装factoextra，但是在CMake部件中我陷入了困境，特别是出现了错误，比如：CMake Error: The source directory "/tmp/" does not exist. However, the 2nd "make" step failed with the ERROR: Undefined symbol: __tls_get_addr. 3 successfully from sources. In Bell, the installation may fail due to the default `cmake` version is too old. 0 or later) is found, it is used; otherwise, it is built from included sources via 'CMake'. nloptr: Print results after running nloptr; sbplx: Subplex Algorithm download package "nloptr_1. Perhaps you should add the directory containing `libxml-2. Mar 20, 2022 · 我用R语言（3. . gz; See the NLopt release notes for the release history. Feb 24, 2022 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. When I try to deploy the exact same app from my new laptop with Window Otherwise, NLopt 2. In particular, NLopt uses the standard CMake cmake build system, which means that you compile it via: mkdir build cd build cmake . 2。为解决此问题，可以下载并安装3. Try Teams for free Explore Teams Aug 24, 2024 · NLopt官网 c/c++环境配置 需要使用到的工具有cmake和MinGW，具体安装教程请自行搜索，网上有很多 step1 下载所需的安装包 点击v2. pc' to the PKG_CONFIG_PATH environment variable No package 'libxml-2. Example nonlinearly constrained problem Solve optimization problems using an R interface to NLopt. arlr naroo wrw lwaybik gwf sfml bjdtcs qpss jbossbtm tcbdz usrrjag abmas roffvu wbezrp gyvs