77 lines
2.3 KiB
CMake
77 lines
2.3 KiB
CMake
|
################################################################################
|
||
|
|
#
|
||
|
|
# :: Strict ABI
|
||
|
|
#
|
||
|
|
# Enabling the STRICT_ABI flag will generate and use an LD version script.
|
||
|
|
# It ensures that the dynamic libraries (libtoxcore.so, libtoxav.so) only
|
||
|
|
# export the symbols that are defined in their public API (tox.h and toxav.h,
|
||
|
|
# respectively).
|
||
|
|
#
|
||
|
|
################################################################################
|
||
|
|
|
||
|
|
find_program(SHELL NAMES sh dash bash zsh fish)
|
||
|
|
|
||
|
|
macro(make_version_script)
|
||
|
|
if(STRICT_ABI AND SHELL AND ENABLE_SHARED)
|
||
|
|
_make_version_script(${ARGN})
|
||
|
|
endif()
|
||
|
|
endmacro()
|
||
|
|
|
||
|
|
function(_make_version_script target)
|
||
|
|
set(${target}_VERSION_SCRIPT "${CMAKE_BINARY_DIR}/${target}.ld")
|
||
|
|
|
||
|
|
file(WRITE ${${target}_VERSION_SCRIPT}
|
||
|
|
"{ global:\n")
|
||
|
|
|
||
|
|
foreach(sublib ${ARGN})
|
||
|
|
string(REPLACE "^" ";" sublib ${sublib})
|
||
|
|
list(GET sublib 0 header)
|
||
|
|
list(GET sublib 1 ns)
|
||
|
|
|
||
|
|
execute_process(
|
||
|
|
COMMAND ${SHELL} -c "egrep '^\\w' ${header} | grep '${ns}_[a-z0-9_]*(' | grep -v '^typedef' | grep -o '${ns}_[a-z0-9_]*(' | egrep -o '\\w+' | sort -u"
|
||
|
|
OUTPUT_VARIABLE sublib_SYMS
|
||
|
|
OUTPUT_STRIP_TRAILING_WHITESPACE)
|
||
|
|
string(REPLACE "\n" ";" sublib_SYMS ${sublib_SYMS})
|
||
|
|
|
||
|
|
foreach(sym ${sublib_SYMS})
|
||
|
|
file(APPEND ${${target}_VERSION_SCRIPT}
|
||
|
|
"${sym};\n")
|
||
|
|
endforeach(sym)
|
||
|
|
endforeach(sublib)
|
||
|
|
|
||
|
|
file(APPEND ${${target}_VERSION_SCRIPT}
|
||
|
|
"local: *; };\n")
|
||
|
|
|
||
|
|
set_target_properties(${target}_shared PROPERTIES
|
||
|
|
LINK_FLAGS -Wl,--version-script,${${target}_VERSION_SCRIPT})
|
||
|
|
endfunction()
|
||
|
|
|
||
|
|
option(STRICT_ABI "Enforce strict ABI export in dynamic libraries" OFF)
|
||
|
|
if(WIN32 OR APPLE)
|
||
|
|
# Windows and OSX don't have this linker functionality.
|
||
|
|
set(STRICT_ABI OFF)
|
||
|
|
endif()
|
||
|
|
|
||
|
|
if(STRICT_ABI AND NOT ENABLE_STATIC)
|
||
|
|
if(AUTOTEST)
|
||
|
|
message("AUTOTEST option is incompatible with STRICT_ABI. Disabling AUTOTEST.")
|
||
|
|
endif()
|
||
|
|
set(AUTOTEST OFF)
|
||
|
|
|
||
|
|
if(BUILD_MISC_TESTS)
|
||
|
|
message("BUILD_MISC_TESTS option is incompatible with STRICT_ABI. Disabling BUILD_MISC_TESTS.")
|
||
|
|
endif()
|
||
|
|
set(BUILD_MISC_TESTS OFF)
|
||
|
|
|
||
|
|
if(BOOTSTRAP_DAEMON)
|
||
|
|
message("BOOTSTRAP_DAEMON option is incompatible with STRICT_ABI. Disabling BOOTSTRAP_DAEMON.")
|
||
|
|
endif()
|
||
|
|
set(BOOTSTRAP_DAEMON OFF)
|
||
|
|
|
||
|
|
if(DHT_BOOTSTRAP)
|
||
|
|
message("DHT_BOOTSTRAP option is incompatible with STRICT_ABI. Disabling DHT_BOOTSTRAP.")
|
||
|
|
endif()
|
||
|
|
set(DHT_BOOTSTRAP OFF)
|
||
|
|
endif()
|