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contact us Welcome to the most active Linux Forum on the web. AFAIK, the pragma would override the diagnostic settings of the environment. > it would be quite a pain because I just want to change the compiler flags when building ChessPlusPlus. This option, which defaults to on, enables warnings about extra tokens at the end of preprocessor directives. CRC instructions are enabled by default on ARMv8. -mgeneral-regs-only¶ Generate code which only uses the general purpose registers.

Notices Welcome to LinuxQuestions.org, a friendly and active Linux Community. Experience comes from bad judgement." "When you hear hoofbeats, think horses, not unicorns." "Fast. This pragma can occur on any line of a file. Clang is designed to support the C family of programming languages, which includes C, Objective-C, C++, and Objective-C++ as well as many dialects of those.

The line number is always relative to the line where symbol of the function is defined. Still hoping... ... C++ Information Tutorials Reference Articles Forum Forum BeginnersWindows ProgrammingUNIX/Linux ProgrammingGeneral C++ ProgrammingLoungeJobs Home page | Privacy policy© cplusplus.com, 2000-2016 - All rights reserved - v3.1Spotted an error? The default value is global-dynamic.

popping when nothing is on the stack is harmless and will simply reassert the user's command line diagnostic choices. #pragma GCC diagnostic [warning|error|ignored] OPTION From GCC version 4.2.4 and before GCC See SanitizerCoverage for more details. -f[no-]sanitize-stats Enable simple statistics gathering for the enabled sanitizers. The intent of declaring a file a system header is for operating system specific code that can't be strictly conforming C or C++. offsetN[.discriminator]: number_of_samples [fn5:num fn6:num ... ] offsetA[.discriminator]: fnA:num_of_total_samples offsetA1[.discriminator]: number_of_samples [fn7:num fn8:num ... ] offsetA1[.discriminator]: number_of_samples [fn9:num fn10:num ... ] offsetB[.discriminator]: fnB:num_of_total_samples offsetB1[.discriminator]: number_of_samples [fn11:num fn12:num ... ] This is a

This document describes important notes about using Clang as a compiler for an end-user, documenting the supported features, command line options, etc. I've jacked up the warning level very high, and want to squash warnings line by line that I've verified to be okay. –Matt Joiner Jul 31 '10 at 16:28 4 For more general information, please see the Clang Web Site or the LLVM Web Site. If the directory is specified with both -I and -i it is still only searched after normal includes as part of the system include directories.

Autosenses based on extension. Is there a way to do this with gcc - I understand you can do it with Visual C++ by using pragma then the unique warning id number. How can I disable that annoying warning when compile with gcc?TIA Logged rickg22 Lives here! This option, which defaults to "none", controls whether or not Clang prints the category associated with a diagnostic when emitting it.

Anyway, this has been asked and answered several times on SO. –Tyler McHenry Jul 31 '10 at 14:49 1 @paxdiablo: I'm doign the reverse. Integer ModularRoot(const Integer &a, const Integer &dp, const Integer &dq, const Integer &p, const Integer &q, const Integer &u) { Integer p2, q2; #pragma omp parallel #pragma omp sections { #pragma more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed The Inline stack is a stack of source locations in which the top of the stack represents the leaf function, and the bottom of the stack represents the actual symbol to

It is, arguably, the easiest one to generate. Your code should always be built with high levels of warnings turned on and all warnings issued should be fixed. Terminology¶ Front end, parser, backend, preprocessor, undefined behavior, diagnostic, optimizer Basic Usage¶ Intro to how to use a C compiler for newbies. The system_header pragma can be used to mark the current file as being a system header.

Beginning at version 4.6 they can be used at any scope. For these extreme cases, with great reluctance, I suggest that you might suppress the warnings. Not the answer you're looking for? Using Sampling Profilers¶ Sampling profilers are used to collect runtime information, such as hardware counters, while your application executes.

This is based on the gcov format, which is accepted by GCC. For example, when this is enabled, Clang will print something like: test.c:28:8: warning: extra tokens at end of #endif directive [-Wextra-tokens] #endif bad ^ // -f[no-]color-diagnostics This option, which defaults to For more information please see Formatting of Diagnostics. The solution is to disable all pedantic warnings before you include external libraries and re-enable like this: //save compiler switches #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wpedantic" //Bad headers

That's okay for your specific case since you want it applied over your entire translation unit but it won't allow the fine-grained control that you would get from the #pragma method In the below example -Wextra-tokens is ignored for only a single line of code, after which the diagnostics return to whatever state had previously existed. #if foo #endif foo // For that, -Wunknown-pragmas must also be used. Using -Wall in conjunction with this option will not warn about unknown pragmas in system headers.

This encoding is only generated by the create_gcov tool in http://github.com/google/autofdo. However, the first part introduces the language selection and other high level options like -c, -g, etc. Thus, pragmas occurring after a line do not affect diagnostics caused by that line. #pragma GCC diagnostic push#pragma GCC diagnostic pop Causes GCC to remember the state of the diagnostics as GCC provides the following pragmas to control warnings. #pragma GCC diagnostic push Available since GCC version 4.6, this pragma lets you remember diagnostic options in place at a particular time.

For instance, Clang will not emit type definitions for types that are not needed by a module and could be replaced with a forward declaration. Supressing Warnings For A File By Making GCC See It As A System Header Using a pragma to make GCC think a file or part of a file is a system Note that when using profile-guided optimization information, profile hotness information can be included in the remarks (see -fdiagnostics-show-hotness). I know this didn't happen before but I can't figure out what changed.

Relocatable PCH Files¶ It is sometimes necessary to build a precompiled header from headers that are not yet in their final, installed locations. description of local variables or function parameters). -fstandalone-debug¶ Clang supports a number of optimizations to reduce the size of debug information in the binary. share|improve this answer edited Sep 20 at 0:23 answered Sep 20 at 0:12 Keron 695 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign Second, beginning with version 4.2, you can suppress a particular class of warning either for an entire file, or (beginning at version 4.6), for a section of a file.

http://gcc.gnu.org/onlinedocs/gcc/Diagnostic-Pragmas.html#Diagnostic-Pragmas Last edited on Dec 30, 2013 at 2:28am UTC Dec 30, 2013 at 3:31am UTC LB (13378) Try to build ChessPlusPlus at this commit: https://github.com/LB--/ChessPlusPlus/commit/0110ad376032fba1f40df11a33237f3ce0fdeabd With CMAKE_CXX_FLAGS="-Wzero-as-null-pointer-constant -Werror -Wfatal-errors" I This may be appropriate if you have to deal with other's spotty code that generates a lot of warnings that you can't fix. This defines the __FAST_MATH__ preprocessor macro, and lets the compiler make aggressive, potentially-lossy assumptions about floating-point math. In other words, with -fprofile-generate[=] option, the "raw" profile data automatic merging is turned on by default, so there will no longer any risk of profile clobbering from different running

Registration is quick, simple and absolutely free. Drat. This step feeds the profile back to the optimizers. That explains why we don't see the same problem with -Wuninitialized, because it's detected during later stages of the compilation process, after the pragmas have been activated at the end of

If -fdiagostics-show-option told you that the warning was controlled by [-Wsign-compare], then you could say GCC_DIAG_OFF(sign_compare). Where are sudo's insults stored?