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Support Solaris unused sections' gc link syntax. 

It is not clear if this would work or not with LLVM_NO_DEAD_STRIP
binaries, so be conservative for now.

Patch by Xan López.

llvm-svn: 240287
This commit is contained in:
Rafael Espindola 2015-06-22 15:06:17 +00:00
parent 99f5fc937f
commit c32ed570bf
1 changed files with 3 additions and 0 deletions
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3
llvm/cmake/modules/AddLLVM.cmake
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@ -186,6 +186,9 @@ function(add_link_opts target_name)
# ld64's implementation of -dead_strip breaks tools that use plugins.
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-dead_strip")
elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections")
elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD)
# Object files are compiled with -ffunction-data-sections.
# Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks