[Bug 56279] New: Wine fails to build if CC is set to the absolute path for the compiler

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=56279

            Bug ID: 56279
           Summary: Wine fails to build if CC is set to the absolute path
                    for the compiler
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: minor
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs(a)winehq.org
          Reporter: vibhavp(a)gmail.com
      Distribution: ---

At least as of commit e607da943aa (win32u: Only queue a single IME update
during ImeProcessKey.), the Wine build fails if any of the [<ARCH>_]CC
environment variables are set to an absolute path to GCC/Clang, as opposed to
just the executable name. This can be reproduced by configuring and building
Wine with the follow environment variables:

export CC='/usr/bin/gcc'
export CROSSCC='/usr/bin/i686-w64-mingw32-gcc'
export i386_CC='/usr/bin/i686-w64-mingw32-gcc'
export x86_64_CC='55/usr/bin/x86_64-w64-mingw32-gcc'

The failure is specifically due to winebuild being provided an invalid target
specification argument (in this case, `/usr/bin/i686-w64-mingw32` instead of
`i686-w64-mingw32` ):

tools/winebuild/winebuild -w --staticlib -o
dlls/winecrt0/i386-windows/libwinecrt0.a -b /usr/bin/i686-w64-mingw32 \
...
winebuild: Unrecognized target '/usr/bin/i686-w64-mingw32'
make: *** [Makefile:167493: dlls/winecrt0/i386-windows/libwinecrt0.a] Error 1

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[Bug 56279] Wine fails to build if CC is set to the absolute path for the compiler

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=56279

--- Comment #1 from Vibhav Pant <vibhavp(a)gmail.com> ---
Created attachment 76000
  --> https://bugs.winehq.org/attachment.cgi?id=76000
config.log

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[Bug 56279] Wine fails to build if CC is set to the absolute path for the compiler

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=56279

--- Comment #2 from Vibhav Pant <vibhavp(a)gmail.com> ---
The issue seems to be due to the configure script deriving the target string
from CC by chopping off the -gcc/-clang prefix, which works if CC only contains
the executable name:
https://gitlab.winehq.org/wine/wine/-/blob/9b8409fce4da18e3d9a914a9e5831d10e...

I have created an MR to fix this:
https://gitlab.winehq.org/wine/wine/-/merge_requests/4992

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[Bug 56279] Wine fails to build if CC is set to the absolute path for the compiler

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=56279

Vibhav Pant <vibhavp(a)gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |vibhavp(a)gmail.com

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