Change configure to allow statically linking libpcre.

Statically linking libpcre requires using -lpthread, which is added
when building Suricata, but not while checking for libpcre in configure.

diff --git a/configure.ac b/configure.ac
index a2f0bf8f1719d73225bc802d0fc1d018cc1d7429..86f8a74c55295c01afd17065ddb42ec5506fef4b 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -418,7 +418,7 @@
         LDFLAGS="${LDFLAGS}  -L${with_libpcre_libraries}"
     fi
     PCRE=""
-    AC_CHECK_LIB(pcre, pcre_get_substring,, PCRE="no")
+    AC_CHECK_LIB(pcre, pcre_get_substring,, PCRE="no",-lpthread)
     if test "$PCRE" = "no"; then
         echo
         echo "   ERROR!  pcre library not found, go get it"