get osx working

libbitcoin v1.4 brew patch

diff --git a/configure.ac b/configure.ac
index 5ad6e6d..c07566f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -64,6 +64,9 @@ AC_ARG_WITH([pkgconfigdir], AS_HELP_STRING([--with-pkgconfigdir=PATH],
     [pkgconfigdir="$withval"], [pkgconfigdir='${libdir}/pkgconfig'])
 AC_SUBST([pkgconfigdir])
 
+AC_SUBST(EXTRA_CFLAGS)
+AC_SUBST(EXTRA_LDFLAGS)
+
 AC_CONFIG_FILES([Makefile include/bitcoin/Makefile src/Makefile libbitcoin.pc])
 AC_OUTPUT
 
diff --git a/libbitcoin.pc.in b/libbitcoin.pc.in
index 81880f3..dbb9961 100644
--- a/libbitcoin.pc.in
+++ b/libbitcoin.pc.in
@@ -7,8 +7,6 @@ Name: libbitcoin
 Description:  Rewrite bitcoin, make it super-pluggable, very easy to do and hack everything at every level, and very configurable.
 URL: http://libbitcoin.dyne.org
 Version: @PACKAGE_VERSION@
-Requires: libcurl
-Cflags: -I${includedir} -std=c++11 @CFLAG_LEVELDB@
-Libs: -L${libdir} -lbitcoin -lboost_thread -lboost_system -lboost_regex -lboost_filesystem -lpthread -lcurl @LDFLAG_LEVELDB@
-Libs.private: -lcrypto -ldl -lz
-
+Requires: libcurl, openssl
+Cflags: -I${includedir} @EXTRA_CFLAGS@ -std=c++11 @CFLAG_LEVELDB@
+Libs: -L${libdir} @EXTRA_LDFLAGS@ -lbitcoin -lboost_filesystem -lboost_regex -lboost_system -lboost_thread-mt @LDFLAG_LEVELDB@ -lpthread