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[flang] Extension: getcwd intrinsic for OpenRadioss application #84203

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DavidTruby opened this issue Mar 6, 2024 · 1 comment
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[flang] Extension: getcwd intrinsic for OpenRadioss application #84203

DavidTruby opened this issue Mar 6, 2024 · 1 comment
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flang Flang issues not falling into any other category

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@DavidTruby
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The getcwd intrinsic is an extension provided by some other Fortran compilers (for example gfortran). This extension is used by OpenRadioss.

Arguments:

C	The type shall be CHARACTER and of default kind.
STATUS	(Optional) status flag. Returns 0 on success, a system specific and nonzero error code otherwise.

Example:

PROGRAM test_getcwd
  CHARACTER(len=255) :: cwd
  CALL getcwd(cwd)
  WRITE(*,*) TRIM(cwd)
END PROGRAM
@github-actions github-actions bot added the flang Flang issues not falling into any other category label Mar 6, 2024
@DavidTruby
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This extension seems to be supported by semantics but results in a linker error if used

@kiranchandramohan kiranchandramohan changed the title [flang] Extension: getcwd intrinsic [flang] Extension: getcwd intrinsic for OpenRadioss application Mar 7, 2024
@JumpMasterJJ JumpMasterJJ self-assigned this May 16, 2024
@JumpMasterJJ JumpMasterJJ mentioned this issue May 20, 2024
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JumpMasterJJ added a commit that referenced this issue Jun 6, 2024
@JumpMasterJJ
[flang] Add GETCWD runtime and lowering intrinsics implementation (#9…
6841321 
…2746)

This patch add support of intrinsics GNU extension GETCWD
#84203. Some usage info and
example has been added to `flang/docs/Intrinsics.md`. The patch contains
both the lowering and the runtime code and works on both Windows and
Linux.


|   System   |   Implmentation  |
|-----------|--------------------|
| Windows | _getcwd               |
| Linux       |getcwd                  |
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