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Make the static library build reproducible with supported compilers

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This is based on bed285af07 from
`v2.x` branch, but done properly for the build in v3 branch,
effectively porting #2141 to devel.
This commit is contained in:
Martin Hořeňovský
2021-05-09 17:36:30 +02:00
parent 342dd3445c
commit d4a3cd9992
2 changed files with 12 additions and 0 deletions
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10
CMake/MiscFunctions.cmake
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@@ -77,3 +77,13 @@ function(add_warnings_to_targets targets)
endif()
endif()
endfunction()
# Adds flags required for reproducible build to the target
# Currently only supports GCC and Clang
function(add_build_reproducibility_settings target)
# Make the build reproducible on versions of g++ and clang that supports -ffile-prefix-map
if(("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND NOT ${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 8) OR
("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" AND NOT ${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 10))
target_compile_options(${target} PRIVATE "-ffile-prefix-map=${CATCH_DIR}=.")
endif()
endfunction()