[cfe-dev] [static checker] unexpected strip -std=gnu99

[Steve McCoy]

Are you setting 'CC=gcc -std=gnu99' in your build script, rather than
putting the -std flag inCFLAGS

On Sunday, September 8, 2013, Дмитрий Дьяченко wrote:

> Jordan,
>
> Now I know problem commit -- 189372, but I don't have a little testcase
> yet.
>
> [ clang]$ svn log -r189372
> ------------------------------------------------------------------------
> r189372 | jrose | 2013-08-27 20:59:33 +0400 (Вт., 27 авг. 2013) | 6 lines
>
> scan-build: Set CC and CXX as make variables when wrapping make builds.
> [...]
>
> A bit more about my project's build:
> 1) autoreconf
> 2) '... scan-build configure ...'
> After step 2) build trees are identical for scan-build-189371 and
> scan-build-189372
>
> 3) '... scan-build make'
> Difference in command line is: no '-std=gnu99' in rev.189372
>
> rev.189372 (FAIL)
> $ ~/src/llvm_189372/tools/clang/tools/scan-build/scan-build
> --use-analyzer=/home/dimhen/build/csa_189372/Release+Asserts/bin/clang
> make
> scan-build: Using
> '/home/dimhen/build/csa_189372/Release+Asserts/bin/clang' for static
> analysis
> /bin/sh ../../../../libtool  --tag=CC --tag=disable-static
> --mode=compile
> /home/dimhen/src/llvm_189372/tools/clang/tools/scan-build/ccc-analyzer
> -DHAVE_CONFIG_H ..... x.c
>
> rev.189371 (OK)
> $ ~/src/llvm_189371/tools/clang/tools/scan-build/scan-build
> --use-analyzer=/home/dimhen/build/csa_189371/Release+Asserts/bin/clang
> make
> scan-build: Using
> '/home/dimhen/build/csa_189371/Release+Asserts/bin/clang' for static
> analysis
> /bin/sh ../../../../libtool  --tag=CC --tag=disable-static
> --mode=compile
> /home/dimhen/src/llvm_189371/tools/clang/tools/scan-build/ccc-analyzer
> -std=gnu99 -DHAVE_CONFIG_H ... x.c
>
>
> A bit more about my environment
>
> Fedora 19/x86_64
> make 3.82
> autoconf 2.69
> libtool 2.4.2
> m4 1.4.16
>
> Thank you,
> Dmitry
>
> 2013/9/6 Дмитрий Дьяченко <dimhen at gmail.com>:
> > Thank you, Jordan
> >
> > I'll try to reduce project to something reasonable.
> >
> > Dmitry
> >
> > 2013/9/6 Jordan Rose <jordan_rose at apple.com>:
> >> I don't see this in a simple test. Can you send a test project that
> exhibits this behavior?
> >>
> >> Jordan
> >>
> >>
> >> On Sep 6, 2013, at 11:25 , Дмитрий Дьяченко <dimhen at gmail.com> wrote:
> >>
> >>> Hello!
> >>>
> >>> Sounds like sometimes after 2013-aug-23 (probably before 28 aug)
> >>> scan-build  (or maybe clang) starts strip '-std=gnu99' from command
> >>> line.
> >>>
> >>> I configure/make project using gcc for build and static checker for
> analyze.
> >>>
> >>> make with gcc has '-std=gnu99' in command line, but with
> >>> scan-build/ccc-analyzer not.
> >>>
> >>> Anybody can confirm this?
> >>>
> >>> Thank you,
> >>> Dmitry
> >>> _______________________________________________
> >>> cfe-dev mailing list
> >>> cfe-dev at cs.uiuc.edu
> >>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
> >>
>
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