Extend build flags

Author: webknjaz

travis/build-manylinux1-wheels.sh

@@ -38,8 +38,8 @@ mkdir -p "$WHEELHOUSE_DIR"
 export PYCA_OPENSSL_PATH=/opt/pyca/cryptography/openssl
 export OPENSSL_PATH=/opt/openssl
 
-export CFLAGS="-I${PYCA_OPENSSL_PATH}/include -I${OPENSSL_PATH}/include"
-export LDFLAGS="-L${PYCA_OPENSSL_PATH}/lib -L${OPENSSL_PATH}/lib -L/usr/local/lib/"
+export CFLAGS="-I${PYCA_OPENSSL_PATH}/include -I${OPENSSL_PATH}/include -I/usr/include"
+export LDFLAGS="-L${PYCA_OPENSSL_PATH}/lib -L${OPENSSL_PATH}/lib -L/usr/local/lib -L/usr/lib64"
 export LD_LIBRARY_PATH="${LIBGIT2}/lib:$LD_LIBRARY_PATH"
 export PKG_CONFIG_PATH="${PYCA_OPENSSL_PATH}/lib/pkgconfig/:${OPENSSL_PATH}/lib/pkgconfig/:$PKG_CONFIG_PATH"