[PATCH] D27869: [libFuzzer] Diff 24 - Use clang as linker in Windows, to properly include sanitizer libraries.

Marcos Pividori via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Dec 16 16:10:14 PST 2016

mpividori created this revision.
mpividori added reviewers: kcc, zturner.
mpividori added a subscriber: llvm-commits.
mpividori set the repository for this revision to rL LLVM.
Herald added a subscriber: mgorny.




Index: lib/Fuzzer/test/CMakeLists.txt
--- lib/Fuzzer/test/CMakeLists.txt
+++ lib/Fuzzer/test/CMakeLists.txt
@@ -38,6 +38,21 @@
+  # In order to use the sanitizers in Windows, we need to link against many
+  # runtime libraries which will depend on the target being created
+  # (executable or dll) and the c runtime library used (MT/MD).
+  # By default, cmake uses link.exe for linking, which fails because we don't
+  # specify the appropiate dependencies.
+  # As we don't want to consider all of that possible situations which depends
+  # on the implementation of the compiler-rt, the simplest option is to change
+  # the rules for linking executables and shared libraries, using the compiler
+  # instead of link.exe. Clang will consider the sanitizer flags, and
+  # automatically provide the required libraries to the liker.
 # add_libfuzzer_test(<name>
 #   SOURCES source0.cpp [source1.cpp ...]
 #   )

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