[cfe-dev] Problem with building Clang and LLVM using Xcode

[Don Hinton via cfe-dev]

Great.  Just have to remember to pass -cc1 since it’s a driver that forks.

Glad it worked for you, and thanks for bringing it up — l learned something
too...  :-)

On Tue, Nov 21, 2017 at 7:40 PM Firouzeh Soleymani <
firouzeh at soleymanimagham.net> wrote:

> Don, I got it to debug.  I set the breakpoint at
> clang/lib/Driver/Driver.cpp and this time it worked.  Please disregard
> my previous email.  Thank you so much for you help!
>
> Firouzeh
>
>
> On Tue, Nov 21, 2017 at 1:13 PM, Firouzeh Soleymani
> <firouzeh at soleymanimagham.net> wrote:
> > Don, I edited .xschema and it worked fine, thanks!  I added the driver
> > code (clang/tools/driver/driver.cpp) to start debugging and set a
> > breakpoint on main, but the program didn't stop at the breakpoint.  Do
> > you know what else I need to do to debug?  Thanks!
> >
> > Firouzeh
> >
> >
> > On Mon, Nov 20, 2017 at 3:44 AM, Don Hinton <hintonda at gmail.com> wrote:
> >> Just edit the text file — it’s nothing magic.
> >>
> >> On Mon, Nov 20, 2017 at 12:54 AM Firouzeh Soleymani
> >> <firouzeh at soleymanimagham.net> wrote:
> >>>
> >>> I tried what you said.  I could run clangd in Xcode, but as you
> >>> mentioned it's not possible to choose clang to run.  It seems that
> >>> Xcode doesn't see "clang-6.0" as an executable file.  It assumes that
> >>> ".0" at the end of the filename is the extension, so it is a
> >>> non-executable file.  I removed ".0" from the name, then I could run
> >>> it.  I don't know if this will cause problems along the way.  I
> >>> haven't started to debug clang yet, but if I run into problems, I'll
> >>> report it here.  Thanks!
> >>>
> >>> Firouzeh
> >>>
> >>>
> >>> On Sun, Nov 19, 2017 at 2:50 PM, Don Hinton <hintonda at gmail.com>
> wrote:
> >>> > I don't normally use Xcode -- prefer command line -- but thought this
> >>> > was
> >>> > interesting so I looked into it.
> >>> >
> >>> > Not sure what the problem is with polly, but instead generating for
> >>> > xcode,
> >>> > try creating an External Build System project instead and point it to
> >>> > your
> >>> > ninja or make build.
> >>> >
> >>> > You can follow these instructions, but note that I was unable to
> select
> >>> > clang in step 3, so I selected opt, then hand edited the
> >>> > <project>.xschema
> >>> > file to use clang instead.
> >>> >
> >>> >   https://forums.developer.apple.com/thread/65025
> >>> >
> >>> > hth...
> >>> > don
> >>> >
> >>> >
> >>> > On Sat, Nov 18, 2017 at 9:35 AM, Firouzeh Soleymani via cfe-dev
> >>> > <cfe-dev at lists.llvm.org> wrote:
> >>> >>
> >>> >> Hi,
> >>> >>
> >>> >> I'm trying to build clang and llvm using Xcode.  I used the
> following
> >>> >> command to generate the Xcode project:
> >>> >>
> >>> >> cmake -G Xcode -DDCMAKE_INSTALL_PREFIX="path to my llvm install
> >>> >> directory" "path to my llvm directory"
> >>> >>
> >>> >> Then I opened LLVM.xcodeproj in Xcode, and chose "clang" as the only
> >>> >> build scheme and hit the Build.  I ran into this error:
> >>> >> clang: error: no such file or directory: 'path to my build
> >>> >> directory/lib/Debug/libPolly.a'.
> >>> >>
> >>> >> /lib/Debug contains only one file - 'libPollyISL.a'.  I got the same
> >>> >> error when I tried building from the command line:
> >>> >> clang: error: no such file or directory: 'my build
> >>> >> directory/lib/Debug/libPolly.a'
> >>> >> The following build commands failed: Ld
> >>> >> /Users/Firouzeh/dev/llvmbuild/Debug/bin/opt normal x86_64
> >>> >>
> >>> >> I'm trying Xcode build, because I want to debug clang in Xcode.  I'd
> >>> >> appreciate any help!
> >>> >>
> >>> >> I'm using macOS 10.13.1, Xcode 9.1, Apple LLVM version 9.0.0
> >>> >> (clang-900.0.38), and trunk revision 318585 of the source code.
> >>> >>
> >>> >> Thanks!
> >>> >> Firouzeh Soleymani
> >>> >> _______________________________________________
> >>> >> cfe-dev mailing list
> >>> >> cfe-dev at lists.llvm.org
> >>> >> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
> >>> >
> >>> >
>
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