Ccache clang freebsd download

What could be an ideal way to recompile freebsd 10 using clang and ccache. Using ccache is 19% slower than not using it at all. It seems that ccache installation created some problem removingoverwriting something. A wide variety of documentation is available for freebsd, on this web site, on other web sites, and available over the counter. I would like to recompile freebsd 10 without debuggings and other optimizations. This page gives you the shortest path to checking out clang and demos a few options. Download ccache packages for alpine, alt linux, arch linux, centos, debian, fedora, freebsd, mageia, netbsd, openmandriva, opensuse, pclinuxos, slackware, solus, ubuntu. Its purpose is to provide an extensible framework for diagnosing and fixing typical programming errors, like style violations, interface misuse, or bugs that can be deduced via static analysis.

The version i installed on 9162016 is apple version llvm 6. Last time i tested, ccache really did not make much of an improvement to clang buildworld times. Note that this does not fix the issue if building on noncurrent with cc clang. Gcc clang not present on bsd, and unable to install it stack. D22379 build llvm with ccache if package is present. I like doing things the way theyre intended im happy to say though im probably stating the obvious that it is perfectly doable to build the world and. Hence, i decided to write a program which works just like ccache except that it can be used with. Distributed sccache also referred to as sccachedist is being rolled out to mozilla offices as a replacement for icecc. The following is a step by step guide to how to enable and use ccache on freebsd 7.

Getting ccache to work with cmake is not overly complicated, but the way to do it is not always obvious. For faster compilation, i would like to use ccache with clang which is reportedly default in freebsd. Dec 22, 2010 ive been a happy ccache user for years. Freebsd with clang and quickly got a working kernel, as long as. Oct 15, 2009 a couple of developers are working to replace gcc in the freebsd base system with clangllvm. This replaces the previous suggestion of modifying cc and cxx in etcnf. Trueos formerly pcbsd is an open source bsd distribution based on the well known freebsd operating system and built around the kde plasma workspaces and applications project, as its default desktop environment distributed as a 64bit live dvd. If the cache entry exists already, it is supposed to contain a file with the stdout output of the compiler as well as the previously generated object file. Migrate to develclang32 or newer this port expired on. Its a great tool for avoiding unneeded recompilation by reusing previously cached results thus speeding up builds quite substantially. Configuration options the following configuration options are available for ccache static3. The steps for setting up your machine as an sccachedist server as well as distributing your build to servers in your office are detailed below.

I recently switched to the slower updated langgcc from langgcc46. The below two options makes more sense in the context of a buildbot. The first should take about as long as without ccache, the second should show the improvement in speed. Modern pcs use the amd64 architecture, including those with intel branded processors. To avoid long install times, packages could con tain both a. This page is about using ccache on mac with clang and ninja build.

This was the rst freebsd release not to include the gnu compiler since the projects beginning. The intent is to switch on this option by default rather sooner than later, so we can start preparing for shipping 10. The configure script died with ccache enabled because it apparently couldnt find the compiler. I got an email the other day that ccache bug 8118, which i filed while writing part 1, was closed, as ccache 3. Because of gccs move to the gpl v3, freebsd was forced to remain using gcc 4. Once the hash sum is computed, it is used as a key actually, a directory name in the cache which is a directory itself. Any input with some successful configurations will be appreciated. Clang compiler driver dropin substitute for gcc the clang tool is the compiler driver and frontend, which is designed to be a dropin replacement for the gcc command. This post covers building a server that will be used to update both ports and the base system on freebsd backend servers that dont have access to the internet.

In part 1 and part 2 i investigated how to use ccache with clang. It speeds up recompilation by caching previous compilations and detecting when the same compilation is being done again. In order to enable ccache support and make it work correctly when buildingusing urho3d library with gcc clang precompiled header enabled, the following environment variables must be set. A simple, xcode compatible ccache integration for cmake, based on this article by craig scott about. This will help werror is turned on for a host clang compiler. Distributed sccache sccachedist firefox source tree. I seem to be getting an onslaught of odd errors these days. What are the performance gains of the new clang vs the older gcc that the project uses. There different percentages between gcc and clang arise because gcc is faster than clang yes, really, more on that in a future post, but the overhead of ccache doesnt. Ccache is free software, released under the gnu general public license version 3 or later. If anyone wants to benchmark, clear the cache ccache c and run two timed buildworlds. Clang is a compiler built on the low level virtual machine compiler infrastructure.

Building a package repository for freebsd with poudriere and pkgng overview. Extract the files using tar command tar xvf ccache 3. Up until now i never paid much attention to clang and its history, but since im in the process of upgrading to freebsd 9. Clang selfhosting 2 feb 2010 cupertino today, clang completed its. Gold is gplv3, so is unlikely to ever make it into the freebsd base system. The information below aims to be correct, but new versions of e. May 12, 2012 the intent is to make clang become the default compiler for freebsd 10. Ccache download apk, deb, eopkg, rpm, tgz, txz, xz, zst. It is distributed as a single and very large dvd iso image that can only be installed on a computer or laptop. Why is freebsd deprecating gcc in favor of clangllvm. Contribute to freebsd freebsd development by creating an account on github. Clang has been imported into head and stable9, and is built by default, so there is no need to install the port.

This page collects information on platforms operating systems, compilers and source code languages that are supported by the latest released ccache version, currently 3. Although the replacement of the c compiler is the most obvious uservisible. This often results in a significant speedup in common compilations, especially when switching between branches. Build in experimental memcached support tinderboxoff. I followed the thread and applied by hand the patch posted. As you know, the only difference is that langgcc updates are less frequent than gcc46. This fix will be removed once upstream ccache has a working fix for this. Most users of freebsd will have hardware for either the amd64, i386, or armv6 architectures. Handle ccache after cc is determined, but not if cccxx are already. Bail out on too hard clang option mjarg in addition to the previous bailout of mj arg.

This article demonstrates how to set up a cmake project to use ccache with unix makefiles, ninja or xcode generators, with xcode receiving special attention. I came across how do i enable ccache this is what i have done so far. The details of producing a program with an interpreter vary considerably between interpreters, and are usually well covered in the documentation and online help for the interpreter. Using ccache and clang in freebsd 10 the freebsd forums. Cant install precompiled clang on raspbian correctly. When building with clang under ccache, you might notice the absence of color diagnostics. I like doing things the way theyre intended im happy to say though im probably stating the obvious that it is perfectly doable to build the. Computers with more than 3 gb of memory should use amd64.

Is there some magic that adds qunusedarguments if cc clang and that fails to detect that ccclang when ccccache. It uses the llvm compiler infrastructure as its back end and has been part of the llvm release cycle since llvm 2. How to write clang plugin makefile with binary download llvm and clang. Buildfarmfreebsdinstall squid web proxy wiki squidcache wiki. This happens because clang thinks its not printing to the console. You can do the buildworld with clang, but including ccache in the process needs some small adjustments. May 05, 2020 ccache a fast compiler cache ccache compiler cache c cplusplus gcc clang cpp cplusplus. Create llvm compiler links if llvm is installed memcachedoff. D3484 dont consider ccache to be an external compiler. Its not of much use to me as im actually interested in getting netbeans to bend to freebsd or working with source code for that. So far, no one has been sufficiently motivated to make the clang driver able to do this itself. Freebsd 10 to use clang compiler, deprecate gcc phoronix.

The resulting binaries passed all of clang and llvms regression test suites, and the clangbuilt clang could then build all of llvm and clang again. C compiler ccache usrbin clang ferrorlimit0 is not found mon sep 21 02. C compiler ccache usrbin clang ferrorlimit0 is not found. Create clang compiler links if clang is installed docson. Jun 29, 2010 the freebsd linker does not support lto. Only set if two compilers are present in the base system. After following the instruction here, you will download a version of clion, an integrated development environment ide for using these compilers or you can choose to use these. Building a package repository for freebsd with poudriere and. Llvm in the freebsd toolchain the computer laboratory. So with this contrived bit of code compiling with clang works just fine, but when ccache is used extra warningserrors appear i thought ccache is supposed to transparently pass these through.