[PATCH] D37631: [libFuzzer] Support using libc++

[Petr Hosek via Phabricator via llvm-commits]

phosek updated this revision to Diff 114398.
phosek marked an inline comment as done.
phosek edited the summary of this revision.

Repository:
  rL LLVM

https://reviews.llvm.org/D37631

Files:
  lib/fuzzer/CMakeLists.txt


Index: lib/fuzzer/CMakeLists.txt
===================================================================
--- lib/fuzzer/CMakeLists.txt
+++ lib/fuzzer/CMakeLists.txt
@@ -32,6 +32,17 @@
 
 set(LIBFUZZER_CFLAGS ${SANITIZER_COMMON_CFLAGS})
 
+option(COMPILER_RT_ENABLE_LIBCXX "Use libc++ if available." OFF)
+
+if (COMPILER_RT_ENABLE_LIBCXX)
+  check_cxx_compiler_flag("-stdlib=libc++" COMPILER_RT_CXX_SUPPORTS_STDLIB)
+  if(HAVE_LIBCXX AND COMPILER_RT_CXX_SUPPORTS_STDLIB)
+    list(APPEND LIBFUZZER_CFLAGS -stdlib=libc++)
+  else()
+    message(WARNING "Can't specify libc++ with '-stdlib='")
+  endif()
+endif()
+
 if (CMAKE_CXX_FLAGS MATCHES "fsanitize-coverage")
   list(APPEND LIBFUZZER_CFLAGS -fno-sanitize-coverage=trace-pc-guard,edge,trace-cmp,indirect-calls,8bit-counters)
 endif()


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D37631.114398.patch
Type: text/x-patch
Size: 784 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20170908/9476a3c0/attachment.bin>