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author | Slávek Banko <slavek.banko@axis.cz> | 2020-12-22 20:23:50 +0100 |
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committer | Slávek Banko <slavek.banko@axis.cz> | 2020-12-22 20:23:50 +0100 |
commit | b2b9e890528f27daeb577983e1ed4fe2ecf8f852 (patch) | |
tree | 1d5db9399c5fb17d51fa034a744dbc94524bbd0f | |
parent | 7b6865d9e60d3220cecea027f227ab084f1a903c (diff) | |
download | tde-cmake-b2b9e890528f27daeb577983e1ed4fe2ecf8f852.tar.gz tde-cmake-b2b9e890528f27daeb577983e1ed4fe2ecf8f852.zip |
Set compiler flags useful for reproducible building.
Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
-rw-r--r-- | modules/TDEMacros.cmake | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/modules/TDEMacros.cmake b/modules/TDEMacros.cmake index 66c4f73..1e334b9 100644 --- a/modules/TDEMacros.cmake +++ b/modules/TDEMacros.cmake @@ -2503,6 +2503,22 @@ macro( tde_setup_architecture_flags ) set( TDE_PIE_CFLAGS -fPIE ) set( TDE_PIE_LDFLAGS -pie ) endif( HAVE_PIE_SUPPORT ) + + set( _reproducible_cxxflags + "-fdebug-prefix-map=${CMAKE_SOURCE_DIR}=." + "-fmacro-prefix-map=${CMAKE_SOURCE_DIR}=." + ) + foreach( _flag ${_reproducible_cxxflags} ) + string( REGEX REPLACE "=.*" "" _flag_name "${_flag}" ) + string( REGEX REPLACE "[^a-zA-Z0-9]+" "_" _flag_var "CXXFLAG_${_flag_name}" ) + if( NOT "${CMAKE_CXX_FLAGS}" MATCHES "(^| )${_flag_name}" ) + check_cxx_compiler_flag( "${_flag}" ${_flag_var} ) + if( ${_flag_var} ) + set( CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} ${_flag}" ) + set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_flag}" ) + endif() + endif() + endforeach() endif( ) endmacro( ) |