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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
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GPG Key ID: DE48307B8B0D381A
2 changed files with 12 additions and 0 deletions
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10
CMake/MiscFunctions.cmake
View File

@ -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()

2
src/CMakeLists.txt
View File

@ -240,6 +240,7 @@ add_library(Catch2 STATIC
${BENCHMARK_HEADERS}
${BENCHMARK_SOURCES}
)
add_build_reproducibility_settings(Catch2)
add_library(Catch2::Catch2 ALIAS Catch2)
if (ANDROID)
@ -281,6 +282,7 @@ target_include_directories(Catch2
add_library(Catch2WithMain STATIC
${SOURCES_DIR}/internal/catch_main.cpp
)
add_build_reproducibility_settings(Catch2WithMain)
add_library(Catch2::Catch2WithMain ALIAS Catch2WithMain)
target_link_libraries(Catch2WithMain PUBLIC Catch2)
set_target_properties(Catch2WithMain