Re: Found the source of non-reproducible builds from gfortran

[email protected] (Christos Zoulas) Thu, 5 Feb 2026 16:40:11 -0000 (UTC)
Newsgroups gmane.os.netbsd.devel.toolchain
Message-ID <[email protected]>
In article <[email protected]>,  <[email protected]> wrote:
>Hi,
>
>mrg mentioned that gfortran seems to be breaking reproducible builds, we
>get references to the command line, and we use absolute paths(?), so a
>failure may look as follows:
>
>$ gfortran /tmp/hello.f90; strings --all a.out |grep tmp
>/tmp/hello.f90
>
>I came across the following unmerged patch submitted to GCC:
>https://gcc.gnu.org/pipermail/gcc-patches/2020-July/549413.html
>
>I can confirm that commenting out code in set_error_locus in
>gcc/fortran/trans-io.cc seems to make this reference go away.


Does the patch fix the problem? Because I fixed it differently.

Best,

christos