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Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each unistd.h file not found mac -commandlinetools other. Join them; it only takes a minute: Sign up clang++: fatal error: 'unistd.h' file not found up vote 4 down vote favorite Using OS X 10.10.2, I download Clang for Mac OS X v. 3.6.0, and try
Unistd.h Windows Replacement
to compile a simple Hello World program. The commands I use are these: (assumes you downloaded clang to .) cd . ./clang+llvm-3.6.0-x86_64-apple-darwin/bin/clang++ main.cpp The result is this: In file included from main.cpp:1: In file included from ./clang+llvm-3.6.0-x86_64-apple-darwin/bin/../include/c++/v1/iostream:37: ./clang+llvm-3.6.0-x86_64-apple-darwin/bin/../include/c++/v1/__config:23:10: fatal error: 'unistd.h' file not found which makes sense, as there is no file unistd.h, as verifiable by find . -name unistd.h which yields 0 results. I tried downloading the LibC++ source code v. 3.6.0 but even that contains no unistd.h not found mac unistd.h. Where can I find the official/vanilla version of that file, and the files that are referenced, and meta-referenced, by it? c++ osx clang llvm unistd.h share|improve this question edited Mar 30 '15 at 23:06 Lightness Races in Orbit 217k35336583 asked Mar 30 '15 at 22:42 user4664340 1 You need to install xcode. –user657267 Mar 30 '15 at 22:50 What happens if you try searching outside your clang folder for the header? For example, /Library or /System/Library? –Alex Reynolds Mar 30 '15 at 23:29 find / -name unistd.h finds files only in /Applications/Xcode/*, and I tried to get by without using Xcode. –user4664340 Mar 31 '15 at 8:09 I got this error trying to 'brew upgrade postgresql' on OSX 10.11.4 El Capitan. For me, it looks like my xcode had gotten an year out of date ... –Rob Apr 22 at 16:02 add a comment| 2 Answers 2 active oldest votes up vote 3 down vote accepted Clang does not include a c library or system headers, you'll need to install Xcode if you want to program on OS X. This page has some more details if you don't want to install the entire Xcode package, you can get away with the command line tools only. Once you have Xcode / command line tools installed you can either use the versions of c
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Fatal Error: Unistd.h: No Such File Or Directory
the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation fatal error: 'unistd.h' file not found Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it http://stackoverflow.com/questions/29357618/clang-fatal-error-unistd-h-file-not-found only takes a minute: Sign up unistd.h file not found, clang++ and OS X up vote 3 down vote favorite I'm currently struggling with clang++, and after looking on the web for a long time I decided asking my question. I'm on OS X and using clang++ via Emacs (it's used by flycheck to highlight errors, among other things). I have http://stackoverflow.com/questions/33793281/unistd-h-file-not-found-clang-and-os-x a very simple file that starts with : #include
installing and running ROOT here. Please post bug reports in Jira. Moderator: rootdev Post Reply Search Advanced search First unread post • 9 posts • Page 1 of 1 https://root.cern.ch/phpBB3/viewtopic.php?t=20405 michael.mitrovski Posts: 7 Joined: Thu Jul 09, 2015 21:16 Root 6 Macosx El Capitan Quote Unread postby michael.mitrovski » Sun Oct 04, 2015 13:17 Hi rooters,when compiling (cmake --build . ) root 6 https://www.reddit.com/r/cpp_questions/comments/3tftff/unistdh_not_found_clang_and_osx/ (root-6.05.02) under el capitan (macosx 10.11), I receive the following error message (download was performed today):[ 39%] Built target rootcling_tmpScanning dependencies of target G__IO[ 40%] Generating G__IO.cxx, ../../lib/libRIO.rootmapIn file included from input_line_1:1:In file not found included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/new:67:In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/__config:23:/Users/michaelmitrovski/root/etc/cling/lib/clang/3.7.0/include/unistd.h:8:15: fatal error: 'unistd.h' file not found#include_next
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