cross-compiled musl gcc-fortran is missing `ieee_*.mod`

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难度
3/5
预计耗时
1-2 天
新手友好度
57/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
活跃
技术栈
fortran, linux
领域
build-system, tooling

调研方向

Start by reading the gcc-fortran package template and its cross-compilation conditions; the issue names no source or test file. Compare the installed module files for native musl, glibc, and cross-compiled musl packages, then trace why the three ieee_*.mod files are absent in the last case. Done when those modules are included in the cross-compiled musl package and the package contents confirm it.

由索引模型根据 Issue 内容生成。

描述

bug

Package: gcc-fortran-14.2.1+20250405_4

# exists on native musl
$ XBPS_TARGET_ARCH=x86_64-musl xbps-query --repo=https://repo-default.voidlinux.org/current/musl -Mf gcc-fortran          
/usr/bin/gfortran
/usr/bin/x86_64-linux-musl-gfortran
/usr/lib/gcc/x86_64-linux-musl/14.2/f951
/usr/lib/gcc/x86_64-linux-musl/14.2/finclude/ieee_arithmetic.mod
/usr/lib/gcc/x86_64-linux-musl/14.2/finclude/ieee_exceptions.mod
/usr/lib/gcc/x86_64-linux-musl/14.2/finclude/ieee_features.mod
/usr/lib/gcc/x86_64-linux-musl/14.2/finclude/omp_lib.f90
/usr/lib/gcc/x86_64-linux-musl/14.2/finclude/omp_lib.h
/usr/lib/gcc/x86_64-linux-musl/14.2/finclude/omp_lib.mod
/usr/lib/gcc/x86_64-linux-musl/14.2/finclude/omp_lib_kinds.mod
/usr/lib/gcc/x86_64-linux-musl/14.2/finclude/openacc.f90
/usr/lib/gcc/x86_64-linux-musl/14.2/finclude/openacc.mod
/usr/lib/gcc/x86_64-linux-musl/14.2/finclude/openacc_kinds.mod
/usr/lib/gcc/x86_64-linux-musl/14.2/finclude/openacc_lib.h
/usr/lib/gcc/x86_64-linux-musl/14.2/libcaf_single.a
/usr/share/info/gfortran.info.gz
/usr/share/man/man1/gfortran.1

# exists on glibc
$ XBPS_TARGET_ARCH=aarch64 xbps-query --repo=https://repo-default.voidlinux.org/current/aarch64 -Mf gcc-fortran
/usr/bin/aarch64-linux-gnu-gfortran
/usr/bin/gfortran
/usr/lib/gcc/aarch64-linux-gnu/14.2/f951
/usr/lib/gcc/aarch64-linux-gnu/14.2/finclude/ieee_arithmetic.mod
/usr/lib/gcc/aarch64-linux-gnu/14.2/finclude/ieee_exceptions.mod
/usr/lib/gcc/aarch64-linux-gnu/14.2/finclude/ieee_features.mod
/usr/lib/gcc/aarch64-linux-gnu/14.2/finclude/omp_lib.f90
/usr/lib/gcc/aarch64-linux-gnu/14.2/finclude/omp_lib.h
/usr/lib/gcc/aarch64-linux-gnu/14.2/finclude/omp_lib.mod
/usr/lib/gcc/aarch64-linux-gnu/14.2/finclude/omp_lib_kinds.mod
/usr/lib/gcc/aarch64-linux-gnu/14.2/finclude/openacc.f90
/usr/lib/gcc/aarch64-linux-gnu/14.2/finclude/openacc.mod
/usr/lib/gcc/aarch64-linux-gnu/14.2/finclude/openacc_kinds.mod
/usr/lib/gcc/aarch64-linux-gnu/14.2/finclude/openacc_lib.h
/usr/lib/gcc/aarch64-linux-gnu/14.2/libcaf_single.a
/usr/share/info/gfortran.info.gz
/usr/share/man/man1/gfortran.1

# missing on cross + musl
$ XBPS_TARGET_ARCH=aarch64-musl xbps-query --repo=https://repo-default.voidlinux.org/current/aarch64 -Mf gcc-fortran          
/usr/bin/aarch64-linux-musl-gfortran
/usr/bin/gfortran
/usr/lib/gcc/aarch64-linux-musl/14.2/f951
/usr/lib/gcc/aarch64-linux-musl/14.2/finclude/omp_lib.f90
/usr/lib/gcc/aarch64-linux-musl/14.2/finclude/omp_lib.h
/usr/lib/gcc/aarch64-linux-musl/14.2/finclude/omp_lib.mod
/usr/lib/gcc/aarch64-linux-musl/14.2/finclude/omp_lib_kinds.mod
/usr/lib/gcc/aarch64-linux-musl/14.2/finclude/openacc.f90
/usr/lib/gcc/aarch64-linux-musl/14.2/finclude/openacc.mod
/usr/lib/gcc/aarch64-linux-musl/14.2/finclude/openacc_kinds.mod
/usr/lib/gcc/aarch64-linux-musl/14.2/finclude/openacc_lib.h
/usr/lib/gcc/aarch64-linux-musl/14.2/libcaf_single.a
/usr/share/info/gfortran.info.gz
/usr/share/man/man1/gfortran.1
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