Relocate binaries only when RELENV_BUILDENV is set. #274
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twangboy
approved these changes
Feb 4, 2026
This change ensures that binary relocation (using readelf/patchelf or otool/install_name_tool) is only attempted during pip installs when the RELENV_BUILDENV environment variable is set, preventing unnecessary processing for standard installs. It also introduces logic to prefer the relenv toolchain's `readelf` and `patchelf` binaries on Linux when available, ensuring compatibility with the specific glibc version of the environment. Tests were added to verify: - Relocation logic is skipped when RELENV_BUILDENV is missing. - Relocation logic runs when RELENV_BUILDENV is set. - Toolchain binaries are correctly selected over system defaults on Linux.
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Fixes: #273
This change ensures that binary relocation (using readelf/patchelf or otool/install_name_tool) is only attempted during pip installs when the RELENV_BUILDENV environment variable is set, preventing unnecessary processing for standard installs.
It also introduces logic to prefer the relenv toolchain's
readelfandpatchelfbinaries on Linux when available, ensuring compatibility with the specific glibc version of the environment.Tests were added to verify: