r182645 - Add -lrt to sanitizer link arguments.

[Evgeniy Stepanov]

Author: eugenis
Date: Fri May 24 09:28:03 2013
New Revision: 182645

URL: http://llvm.org/viewvc/llvm-project?rev=182645&view=rev
Log:
Add -lrt to sanitizer link arguments.

Sanitizer runtime intercepts functions from librt. Not doing this will fail
if the librt dependency is not present at program startup (ex. comes from a
dlopen()ed library).

Modified:
    cfe/trunk/lib/Driver/Tools.cpp
    cfe/trunk/test/Driver/sanitizer-ld.c

Modified: cfe/trunk/lib/Driver/Tools.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=182645&r1=182644&r2=182645&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Tools.cpp (original)
+++ cfe/trunk/lib/Driver/Tools.cpp Fri May 24 09:28:03 2013
@@ -1679,6 +1679,7 @@ static void addSanitizerRTLinkFlagsLinux
                  LibSanitizerArgs.begin(), LibSanitizerArgs.end());
 
   CmdArgs.push_back("-lpthread");
+  CmdArgs.push_back("-lrt");
   CmdArgs.push_back("-ldl");
 
   // If possible, use a dynamic symbols file to export the symbols from the

Modified: cfe/trunk/test/Driver/sanitizer-ld.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/sanitizer-ld.c?rev=182645&r1=182644&r2=182645&view=diff
==============================================================================
--- cfe/trunk/test/Driver/sanitizer-ld.c (original)
+++ cfe/trunk/test/Driver/sanitizer-ld.c Fri May 24 09:28:03 2013
@@ -10,6 +10,7 @@
 // CHECK-ASAN-LINUX-NOT: "-lc"
 // CHECK-ASAN-LINUX: libclang_rt.asan-i386.a"
 // CHECK-ASAN-LINUX: "-lpthread"
+// CHECK-ASAN-LINUX: "-lrt"
 // CHECK-ASAN-LINUX: "-ldl"
 // CHECK-ASAN-LINUX-NOT: "-export-dynamic"
 // CHECK-ASAN-LINUX: "--dynamic-list={{.*}}libclang_rt.asan-i386.a.syms"
@@ -24,6 +25,7 @@
 // CHECK-ASAN-LINUX-CXX-NOT: "-lc"
 // CHECK-ASAN-LINUX-CXX: "-whole-archive" "{{.*}}libclang_rt.asan-i386.a" "-no-whole-archive"
 // CHECK-ASAN-LINUX-CXX: "-lpthread"
+// CHECK-ASAN-LINUX-CXX: "-lrt"
 // CHECK-ASAN-LINUX-CXX: "-ldl"
 // CHECK-ASAN-LINUX-CXX: "-export-dynamic"
 // CHECK-ASAN-LINUX-CXX-NOT: "--dynamic-list"
@@ -70,6 +72,7 @@
 // CHECK-TSAN-LINUX-CXX-NOT: stdc++
 // CHECK-TSAN-LINUX-CXX: "-whole-archive" "{{.*}}libclang_rt.tsan-x86_64.a" "-no-whole-archive"
 // CHECK-TSAN-LINUX-CXX: "-lpthread"
+// CHECK-TSAN-LINUX-CXX: "-lrt"
 // CHECK-TSAN-LINUX-CXX: "-ldl"
 // CHECK-TSAN-LINUX-CXX-NOT: "-export-dynamic"
 // CHECK-TSAN-LINUX-CXX: "--dynamic-list={{.*}}libclang_rt.tsan-x86_64.a.syms"
@@ -85,6 +88,7 @@
 // CHECK-MSAN-LINUX-CXX-NOT: stdc++
 // CHECK-MSAN-LINUX-CXX: "-whole-archive" "{{.*}}libclang_rt.msan-x86_64.a" "-no-whole-archive"
 // CHECK-MSAN-LINUX-CXX: "-lpthread"
+// CHECK-MSAN-LINUX-CXX: "-lrt"
 // CHECK-MSAN-LINUX-CXX: "-ldl"
 // CHECK-MSAN-LINUX-CXX-NOT: "-export-dynamic"
 // CHECK-MSAN-LINUX-CXX: "--dynamic-list={{.*}}libclang_rt.msan-x86_64.a.syms"