Use PTHREAD_LIBS explicitly

configure.ac

@@ -106,7 +106,6 @@ else
     AC_DEFINE(HAVE_THREADING,1,[define if threading is enabled])
     AC_DEFINE(USE_PTHREADS,1,[define if pthread library is available])
     AC_DEFINE(_PTHREADS,1,[define for STL if pthread library is used])
-    LIBS="$PTHREAD_LIBS $LIBS"
     AM_CFLAGS="$PTHREAD_CFLAGS $AM_CFLAGS"
     AM_CXXFLAGS="$PTHREAD_CFLAGS $AM_CXXFLAGS"
     CC="$PTHREAD_CC"

src/Makefile.am

@@ -49,3 +49,4 @@ liblog4shib_la_SOURCES = \
 	AbortAppender.cpp
 
 liblog4shib_la_LDFLAGS = -version-info @LT_VERSION@
+liblog4shib_la_LIBADD = $(PTHREAD_LIBS)

tests/Makefile.am

@@ -9,7 +9,7 @@ check_DATA = log4shib.init log4shib.properties testProperties.properties \
 EXTRA_DIST = $(check_DATA) testNTEventLog.cpp
 
 AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/src
-LDADD = ../src/liblog4shib.la
+LDADD = ../src/liblog4shib.la $(PTHREAD_LIBS)
 AM_DEFAULT_SOURCE_EXT = .cpp
 
 sscpp706_CPPFLAGS = $(AM_CPPFLAGS) -DDATADIR=\"$(srcdir)\"