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cmake: Use of CMAKE_POSITION_INDEPENDENT_CODE instead of BUILD_PIC (Fix #143)

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Corentin Le Molgat 2021-10-25 11:10:00 +02:00 committed by Mizux
parent 769287c384
commit 545b2e84ec
1 changed files with 1 additions and 6 deletions
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7
CMakeLists.txt
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@ -23,13 +23,11 @@ endif(NOT CMAKE_BUILD_TYPE)
# As a consequence it is discouraged to use cpu_features as a shared library because different compilers may interpret the code in different ways.
# Prefer static linking from source whenever possible.
option(BUILD_SHARED_LIBS "Build library as shared." OFF)
# PIC
option(BUILD_PIC "Build with Position Independant Code." OFF) # Default is off at least for GCC
# Force PIC on unix when building shared libs
# see: https://en.wikipedia.org/wiki/Position-independent_code
if(BUILD_SHARED_LIBS AND UNIX)
set(BUILD_PIC ON)
option(CMAKE_POSITION_INDEPENDENT_CODE "Build with Position Independant Code." ON)
endif()
include(CheckIncludeFile)
@ -101,7 +99,6 @@ add_library(utils OBJECT
${PROJECT_SOURCE_DIR}/src/stack_line_reader.c
${PROJECT_SOURCE_DIR}/src/string_view.c
)
set_property(TARGET utils PROPERTY POSITION_INDEPENDENT_CODE ${BUILD_PIC})
setup_include_and_definitions(utils)
#
@ -122,7 +119,6 @@ if(UNIX)
if(HAVE_STRONG_GETAUXVAL)
target_compile_definitions(unix_based_hardware_detection PRIVATE HAVE_STRONG_GETAUXVAL)
endif()
set_property(TARGET unix_based_hardware_detection PROPERTY POSITION_INDEPENDENT_CODE ${BUILD_PIC})
endif()
#
@ -139,7 +135,6 @@ add_library(cpu_features ${CPU_FEATURES_HDRS} ${CPU_FEATURES_SRCS})
set_target_properties(cpu_features PROPERTIES PUBLIC_HEADER "${CPU_FEATURES_HDRS}")
setup_include_and_definitions(cpu_features)
target_link_libraries(cpu_features PUBLIC ${CMAKE_DL_LIBS})
set_property(TARGET cpu_features PROPERTY POSITION_INDEPENDENT_CODE ${BUILD_PIC})
target_include_directories(cpu_features
PUBLIC $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/cpu_features>
)