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[Solaris] enable --whole-archive for shared-library build, disable --version-script for Solaris-ld

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Shared-library build on Solaris requires --whole-archive to be specified (option accepted by all available linkers).

At the same time, --version-script can not be handled by Solaris-ld, so it should be skipped.
-M is of no use here, since there is no syntax in Solaris-ld mapfiles that allows to version all global symbols,
not just the named ones (at least this is my impression from digging deep into the docs).

Patch by Fedor Sergeev <fedor.sergeev@oracle.com>

llvm-svn: 308490
This commit is contained in:
Sylvestre Ledru 2017-07-19 16:07:51 +00:00
parent f9472caf55
commit 528fdc71c2
1 changed files with 9 additions and 2 deletions
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11
tools/llvm-shlib/CMakeLists.txt
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@ -37,13 +37,20 @@ endif()
add_llvm_library(LLVM SHARED DISABLE_LLVM_LINK_LLVM_DYLIB SONAME ${SOURCES})
list(REMOVE_DUPLICATES LIB_NAMES)
if(("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux") OR (MINGW) OR (HAIKU) OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "FreeBSD") OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "DragonFly")) # FIXME: It should be "GNU ld for elf"
if(("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux") OR (MINGW) OR (HAIKU)
OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "FreeBSD")
OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "DragonFly")
OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "SunOS")) # FIXME: It should be "GNU ld for elf"
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/simple_version_script.map.in
${LLVM_LIBRARY_DIR}/tools/llvm-shlib/simple_version_script.map)
# GNU ld doesn't resolve symbols in the version script.
set(LIB_NAMES -Wl,--version-script,${LLVM_LIBRARY_DIR}/tools/llvm-shlib/simple_version_script.map -Wl,--whole-archive ${LIB_NAMES} -Wl,--no-whole-archive)
set(LIB_NAMES -Wl,--whole-archive ${LIB_NAMES} -Wl,--no-whole-archive)
if (NOT LLVM_LINKER_IS_SOLARISLD)
# Solaris ld does not accept global: *; so there is no way to version *all* global symbols
set(LIB_NAMES -Wl,--version-script,${LLVM_LIBRARY_DIR}/tools/llvm-shlib/simple_version_script.map ${LIB_NAMES})
endif()
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
set(LIB_NAMES -Wl,-all_load ${LIB_NAMES})
endif()