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build: Avoid using the -ffile-prefix-map compiler option

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The `-ffile-prefix-map` compiler option implies `-fprofile-prefix-map`
on GCC or `-fcoverage-prefix-map` on Clang, which can lead to issues
with coverage builds.

This change applies only the options necessary for build reproducibility
and accurate source location messages.
This commit is contained in:
Hennadii Stepanov
2024-11-21 11:56:47 +00:00
parent 22ef95dbe3
commit 01a7298818
1 changed files with 10 additions and 2 deletions
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12
CMakeLists.txt
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@@ -436,8 +436,16 @@ configure_file(contrib/filter-lcov.py filter-lcov.py USE_SOURCE_PERMISSIONS COPY
# Don't allow extended (non-ASCII) symbols in identifiers. This is easier for code review.
try_append_cxx_flags("-fno-extended-identifiers" TARGET core_interface SKIP_LINK)
try_append_cxx_flags("-ffile-prefix-map=A=B" TARGET core_interface SKIP_LINK
IF_CHECK_PASSED "-ffile-prefix-map=${PROJECT_SOURCE_DIR}/src=."
# Avoiding the `-ffile-prefix-map` compiler option because it implies
# `-fcoverage-prefix-map` on Clang or `-fprofile-prefix-map` on GCC,
# which can cause issues with coverage builds, particularly when using
# Clang in the OSS-Fuzz environment due to its use of other options
# and a third party script, or with GCC.
try_append_cxx_flags("-fdebug-prefix-map=A=B" TARGET core_interface SKIP_LINK
IF_CHECK_PASSED "-fdebug-prefix-map=${PROJECT_SOURCE_DIR}/src=."
)
try_append_cxx_flags("-fmacro-prefix-map=A=B" TARGET core_interface SKIP_LINK
IF_CHECK_PASSED "-fmacro-prefix-map=${PROJECT_SOURCE_DIR}/src=."
)
# Currently all versions of gcc are subject to a class of bugs, see the