May be specified more than once. Enable builtin include directories even when -nostdinc is used before or after -ibuiltininc. Using -nobuiltininc after the option disables it.
Flags controlling the behavior of Clang during compilation.Clang Built Linux
These flags have no effect during actions that do not perform compilation. Require member pointer base types to be complete if they would be significant under the Microsoft ABI. Disable auto-generation of preprocessed source files and a script for reproduction during a clang crash.
Enable ODR indicator globals to avoid false ODR violation reports in partially sanitized programs at the cost of an increase in binary size. This option is currently unused. Strip or keep only, if negative a given number of path components when emitting check metadata. Turn on runtime checks for various forms of undefined or suspicious behavior. See user manual for available checks.
Print supported cpu models for the given target if target is not specified, it will print the supported cpus for the default target. Flags controlling how include s are resolved to files.
Restrict all prior -I flags to double-quoted inclusion and remove current directory from include path. Specify the mapping of module name to precompiled module file, or load a module file if name is omitted. Flags controlling generation of a dependency file for make -like build systems.
Flags controlling which warnings, errors, and remarks Clang will generate. See the full list of warning and remark flags. Report transformation analysis from optimization passes whose name matches the given POSIX regular expression. Report missed transformations by optimization passes whose name matches the given POSIX regular expression.
Report transformations performed by optimization passes whose name matches the given POSIX regular expression. Generate instrumented code to collect context sensitive execution counts into default. Form fused FP ops e. Directly create compilation output files. This may lead to incorrect incremental builds if the compiler crashes.
Specify the output name of the file containing the optimization remarks. Implies -fsave-optimization-record. Only include passes which match a specified regular expression in the generated optimization record by default, include all passes.
I'm currently trying to build Chromium on Ubuntu I've been encountering a few issues so far I've been able to fix, but I've got problems with this one. I'm at the building state. Learn more. Problems building Chromium with ninja on Linux Ask Question. Asked 5 years, 3 months ago. Active 5 years, 3 months ago. Viewed times. So sorry that it is so ugly to look at it! Dave Swersky Florent Anders Florent Anders 1 1 gold badge 7 7 silver badges 24 24 bronze badges. Maybe it's because of bit architecture on Linux.
I see a lot of reports about such compilation errors on Linux bit. It looks like on Linux bit this issue isn't reproducible. Active Oldest Votes. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Featured on Meta.
A Super-Simple Makefile for Medium-Sized C/C++ Projects
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The following, however, is the most clean and complete solution that I know of for modern compilers. Because of these builtins, a basic Makefile for a C project with gcc can be quite simple:.
This will not track dependencies on headers and other include files, so this will not properly rebuild when these files are updated. With not too much modification, we can ask gcc to output a dependency file next to each object file that is produced. We ask make to include these dependency files where available:.
The rationale for doing this is described in Autodependencies with GNU makealthough this article dates from a time when apparently only -MM was available. Interesting, thanks. Looks like the -MP thingie is not so well know… or maybe just one more kinda-dark corner grown to compensate for other dark corners.
The -include line needs to be moved below the first non-phony target. Otherwise, it will override the default target. Your email address will not be published. Leave a Reply Cancel reply Your email address will not be published.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
Already on GitHub? Sign in to your account. The Android NDK ndk-build build system doesn't delete the. When the. A workaround is to update the ev-build-file compilation command to touch the. Using touch --no-create is useful here because the file won't be created if it doesn't already exist. It seems like the NDK makefiles should still have functional dependency tracking even when pre-processing fails.
I haven't been able to think of a downside for this workaround. Perhaps the workaround is good enough that it can simply be made the built-in behaviour? Not all of these will be relevant to every bug, but please provide as much information as you can. I'm using rcanary a fresh build of masterbut I see the same with r13b and r15c.
Does that match what you see? I'm assuming that it's my guess at your project configuration that leads to the discrepancy, but it could be that this is a problem no longer exists the documentation for.
Next week, I'll reproduce it locally again and dig a bit deeper to refresh my memory and report back. My guess is that the.
So, if you make it fail on error perhaps you've already restored a functional. Although I see that the. Neither of those failing cases has the. We have very few local changes actually none, I thinkso I doubt the NDK's clang is any different on that.
It seems that two layers of include are necessary to make this fail. Making the change I outline in the issue description fixes this behaviour so that the subsequent ndk-build invocations also fail because program. Was able to reproduce this with r16b, but not with r19 or even r17b.Keyboard Shortcuts.
Chromium Code Reviews. Issue : Roll Clang Closed Created: 4 years, 1 month ago by hans. Reviewers: Nico. Project: chromium. More Reviews. Created: 4 years, 1 month ago. Download [raw] [tar. Nico thakis chromium. Code generation 3. Running pass 'Function Pass Manager' on module '. Not sure what's up with the purpleness. Anyhoo, lgtm, if the cq likes it then I think it's good.
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Nico The CQ bit was checked by thakis chromium. The CQ bit was checked by thakis chromium. CQ is trying da patch. The CQ bit was unchecked by commit-bot chromium. Looks like it just died.
Is it timing out? It ran for 1h 50 which is pretty long. But wouldn't the bot say so if it's a timeout? Nico The patchset sent to the CQ was uploaded after l-g-t-m from thakis chromium. The patchset sent to the CQ was uploaded after l-g-t-m from thakis chromium. Nico The CQ bit was unchecked by thakis chromium. The CQ bit was unchecked by thakis chromium. Message was sent while issue was closed. Committed patchset 3 id Patchset 3 id:?? The reason for reverting is: The new compiler has an infinite loop for some inputs, see crbug.
This is not a good property for a compiler to have. This is Rietveld Not too bad! To use one of them, put the Make code in a file call Makefile make sure the TAB characters get copied! Make is very picky about those and all of your source and headers in the directory or a subdirectory of.
Then type make. This makes is easy to do a clean just rm -rf. To do this in Make, you mostly just need to prepend your output directory to the beginning of your pattern rules. Handling the header dependencies is perhaps the most tedious thing about using the classic Make technique. This can lead to. There is documentation for this here. If you generate the dependency files as part of the compilation step, things get much simpler. First, find all of the source files in the given source directories.
And when the different components were linked together and run, the resulting coverage data had source paths that were all relative to different directories! Nice, I like it. Note that the tabs in your makefile have been converted to spaces by your blog posting software, which is going to be very confusing to any newbies who try out your makefile as it will fail with a syntax error when they try and invoke make.
But this is pretty much my makefile, only using find over wildcard. Oh, and ctags generation stuff. It might be feasible to try to delete all. How about using built-in function named wildcard?Flags controlling the behavior of Clang during compilation. These flags have no effect during actions that do not perform compilation.
Disable auto-generation of preprocessed source files and a script for reproduction during a clang crash. Strip or keep only, if negative a given number of path components when emitting check metadata.
Turn on runtime checks for various forms of undefined or suspicious behavior. See user manual for available checks. Flags controlling how include s are resolved to files. Restrict all prior -I flags to double-quoted inclusion and remove current directory from include path.
Flags controlling generation of a dependency file for make -like build systems. Flags controlling which warnings, errors, and remarks Clang will generate.
See the full list of warning and remark flags. Report transformation analysis from optimization passes whose name matches the given POSIX regular expression. Report missed transformations by optimization passes whose name matches the given POSIX regular expression. Report transformations performed by optimization passes whose name matches the given POSIX regular expression. Form fused FP ops e. Generate instrumented code to collect execution counts into default.
Use instrumentation data for profile-guided optimization. Allocate to an enum type only as many bytes as it needs for the declared range of possible values.
OpenCL only. Specify that single precision floating-point divide and sqrt used in the program source are correctly rounded. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable. Flags that will be passed onto the gfortran compiler when Clang is given a Fortran input. Clang 5 documentation Clang command line argument reference. Has no effect on non-CUDA compilations. May be specified more than once. Disables ptxas optimizations.