Index: cmake/base-config-ix.cmake
===================================================================
--- cmake/base-config-ix.cmake
+++ cmake/base-config-ix.cmake
@@ -8,6 +8,10 @@
 
 check_include_file(unwind.h HAVE_UNWIND_H)
 
+# used in sanitizer_common and tests
+include(FindPkgConfig)
+pkg_check_modules(TIRPC libtirpc)
+
 # Top level target used to build all compiler-rt libraries.
 add_custom_target(compiler-rt ALL)
 add_custom_target(install-compiler-rt)
Index: lib/sanitizer_common/CMakeLists.txt
===================================================================
--- lib/sanitizer_common/CMakeLists.txt
+++ lib/sanitizer_common/CMakeLists.txt
@@ -191,8 +191,6 @@
 
 set(SANITIZER_COMMON_DEFINITIONS)
 
-include(FindPkgConfig)
-pkg_check_modules(TIRPC libtirpc)
 if (TIRPC_FOUND)
   include_directories(${TIRPC_INCLUDE_DIRS})
   set(CMAKE_REQUIRED_INCLUDES ${TIRPC_INCLUDE_DIRS})
Index: test/msan/lit.cfg
===================================================================
--- test/msan/lit.cfg
+++ test/msan/lit.cfg
@@ -14,7 +14,8 @@
                       "-fno-omit-frame-pointer",
                       "-fno-optimize-sibling-calls"] +
                       [config.target_cflags] +
-                      config.debug_info_flags)
+                      config.debug_info_flags +
+                      [config.rpc_cflags])
 # Some Msan tests leverage backtrace() which requires libexecinfo on FreeBSD.
 if config.host_os == 'FreeBSD':
   clang_msan_cflags += ["-lexecinfo", "-fPIC"]
Index: test/msan/lit.site.cfg.in
===================================================================
--- test/msan/lit.site.cfg.in
+++ test/msan/lit.site.cfg.in
@@ -6,6 +6,7 @@
 config.target_arch = "@MSAN_TEST_TARGET_ARCH@"
 config.use_lld = @MSAN_TEST_USE_LLD@
 config.use_thinlto = @MSAN_TEST_USE_THINLTO@
+config.rpc_cflags = "@TIRPC_CFLAGS@"
 
 # Load common config for all compiler-rt lit tests.
 lit_config.load_config(config, "@COMPILER_RT_BINARY_DIR@/test/lit.common.configured")
Index: test/tsan/lit.cfg
===================================================================
--- test/tsan/lit.cfg
+++ test/tsan/lit.cfg
@@ -49,7 +49,8 @@
                       [config.target_cflags] +
                       config.debug_info_flags +
                       extra_cflags +
-                      ["-I%s" % tsan_incdir])
+                      ["-I%s" % tsan_incdir] +
+                      [config.rpc_cflags])
 clang_tsan_cxxflags = config.cxx_mode_flags + clang_tsan_cflags + ["-std=c++11"] + ["-I%s" % tsan_incdir]
 # Add additional flags if we're using instrumented libc++.
 # Instrumented libcxx currently not supported on Darwin.
Index: test/tsan/lit.site.cfg.in
===================================================================
--- test/tsan/lit.site.cfg.in
+++ test/tsan/lit.site.cfg.in
@@ -6,6 +6,7 @@
 config.apple_platform = "@TSAN_TEST_APPLE_PLATFORM@"
 config.target_cflags = "@TSAN_TEST_TARGET_CFLAGS@"
 config.target_arch = "@TSAN_TEST_TARGET_ARCH@"
+config.rpc_cflags = "@TIRPC_CFLAGS@"
 
 # Load common config for all compiler-rt lit tests.
 lit_config.load_config(config, "@COMPILER_RT_BINARY_DIR@/test/lit.common.configured")