[PATCH] D130571: [compiler-rt][Sanitizer] Link sanitizer libs with -latomic on SPARC

[Rainer Orth via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG0b2d5fd48bc2: [compiler-rt][Sanitizer] Link sanitizer libs with -latomic on SPARC (authored by ro).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130571/new/

https://reviews.llvm.org/D130571

Files:
  compiler-rt/CMakeLists.txt


Index: compiler-rt/CMakeLists.txt
===================================================================
--- compiler-rt/CMakeLists.txt
+++ compiler-rt/CMakeLists.txt
@@ -479,6 +479,12 @@
 append_list_if(C_SUPPORTS_NODEFAULTLIBS_FLAG -nodefaultlibs SANITIZER_COMMON_LINK_FLAGS)
 append_list_if(COMPILER_RT_HAS_Z_TEXT -Wl,-z,text SANITIZER_COMMON_LINK_FLAGS)
 
+# Only necessary for 32-bit SPARC.  Solaris 11.2+ ld uses -z ignore/-z record
+# natively, but supports --as-needed/--no-as-needed for GNU ld compatibility.
+if("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "sparc")
+  list(APPEND SANITIZER_COMMON_LINK_LIBS -Wl,--as-needed atomic -Wl,--no-as-needed)
+endif()
+
 if (COMPILER_RT_USE_BUILTINS_LIBRARY)
   string(REPLACE "-Wl,-z,defs" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
 else()


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