diff options
| -rw-r--r-- | modules/TDEMacros.cmake | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/modules/TDEMacros.cmake b/modules/TDEMacros.cmake index 8cea22a..2afad68 100644 --- a/modules/TDEMacros.cmake +++ b/modules/TDEMacros.cmake @@ -16,6 +16,7 @@ ################################################# include( CheckCXXCompilerFlag ) +include( CheckLinkerFlag OPTIONAL ) include( TDEVersion ) @@ -2843,7 +2844,29 @@ macro( tde_setup_architecture_flags ) check_cxx_compiler_flag( -fPIE HAVE_PIE_SUPPORT ) if( HAVE_PIE_SUPPORT ) set( TDE_PIE_CFLAGS -fPIE ) - set( TDE_PIE_LDFLAGS -pie ) + + if( ${CMAKE_VERSION} VERSION_LESS "3.18" ) + execute_process(COMMAND "${CMAKE_LINKER}" --help + OUTPUT_VARIABLE __linker_help + ERROR_VARIABLE __linker_help) + if( "${__linker_help}" MATCHES "-pie" ) + set( LINKER_PIE_SUPPORT 1 ) + elseif( "${__linker_help}" MATCHES "type=type.*pie" ) + set( LINKER_ZTYPE_PIE_SUPPORT 1 ) + endif( ) + unset(__linker_help) + else( ) + check_linker_flag(CXX -pie LINKER_PIE_SUPPORT) + if( NOT LINKER_PIE_SUPPORT ) + check_linker_flag(CXX -ztype=pie LINKER_ZTYPE_PIE_SUPPORT) + endif() + endif() + if( LINKER_PIE_SUPPORT ) + set( TDE_PIE_LDFLAGS -pie ) + endif( LINKER_PIE_SUPPORT ) + if( LINKER_ZTYPE_PIE_SUPPORT ) + set( TDE_PIE_LDFLAGS -ztype=pie ) + endif( LINKER_ZTYPE_PIE_SUPPORT ) endif( HAVE_PIE_SUPPORT ) set( _reproducible_cxxflags |