Adds threading support (by Vlad Losev); updates the version number (by Zhanyong Wan); adds release notes for 1.5.0 (by Vlad Losev).

Makefile.am

@@ -1,3 +1,5 @@
+# Automake file
+
 # Nonstandard package files for distribution.
 EXTRA_DIST =
 
@@ -16,6 +18,12 @@ DISTCLEANFILES = scripts/gmock-config
 # directories.
 AM_CPPFLAGS = $(GTEST_CPPFLAGS) -I$(srcdir)/include
 
+# Modifies compiler and linker flags for pthreads compatibility.
+if HAVE_PTHREADS
+  AM_CXXFLAGS = @PTHREAD_CFLAGS@ -DGTEST_HAS_PTHREAD=1
+  AM_LIBS = @PTHREAD_LIBS@
+endif
+
 # Build rules for libraries.
 lib_LTLIBRARIES = lib/libgmock.la lib/libgmock_main.la