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depends: libdmg-hfsplus: Skip CMake RPATH patching

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CMake's RPATH patching apparently causes non-reproducibility in the
executables which are produced, manifesting in a difference in padding
in the .dynstr section (we found this while investigating
non-reproducibility in the "dmg" tool). This RPATH patching can be
safely skipped for executables which don't depend on internal shared
libraries.

Documentation sources:
1. https://gitlab.kitware.com/cmake/community/-/wikis/doc/cmake/RPATH-handling
2. https://reproducible-builds.org/docs/deterministic-build-systems/#cmake-notes

Prior debugging art:
1. https://stackoverflow.com/questions/63438206/cmake-g-reproducible-build-issue-with-changing-build-path
2. https://github.com/NXPmicro/mfgtools/pull/229/files
This commit is contained in:
Carl Dong 2021-03-18 16:20:18 -04:00
parent 65176ab573
commit 06d6cf6784
1 changed files with 1 additions and 1 deletions
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2
depends/packages/native_libdmg-hfsplus.mk
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@ -12,7 +12,7 @@ define $(package)_preprocess_cmds
endef endef
define $(package)_config_cmds define $(package)_config_cmds
$($(package)_cmake) -DCMAKE_C_FLAGS="$$($(1)_cflags) -Wl,--build-id=none" .. $($(package)_cmake) -DCMAKE_C_FLAGS="$$($(1)_cflags) -Wl,--build-id=none" -DCMAKE_SKIP_RPATH="ON" ..
endef endef
define $(package)_build_cmds define $(package)_build_cmds