Add shared library version of libcli_main

ports/nacl-spawn/build.sh

 # Copyright (c) 2014 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-NACLPORTS_CPPFLAGS+=" -I ${START_DIR}"
+NACLPORTS_CPPFLAGS+=" -I${START_DIR}/include -Wall -Werror"
 
 ConfigureStep() {
   MakeDir ${BUILD_DIR}
   cp -rf ${START_DIR}/* ${BUILD_DIR}
 }
 
 BuildStep() {
   MAKE_TARGETS="libcli_main.a libnacl_spawn.a"
   if [ "${NACL_LIBC}" = "glibc" -o "${NACL_LIBC}" = "bionic" ]; then
     NACLPORTS_CFLAGS+=" -fPIC"
     NACLPORTS_CXXFLAGS+=" -fPIC"
     MAKE_TARGETS+=" libnacl_spawn.so"
+    MAKE_TARGETS+=" libcli_main.so"
   fi
 
   if [ "${NACL_LIBC}" = "glibc" ]; then
     MAKE_TARGETS+=" test"
   else
     NACLPORTS_CPPFLAGS+=" -I${NACLPORTS_INCLUDE}/glibc-compat"
   fi
 
   MAKEFLAGS+=" TOOLCHAIN=${TOOLCHAIN}"
   MAKEFLAGS+=" NACL_ARCH=${NACL_ARCH_ALT}"
   export CFLAGS="${NACLPORTS_CPPFLAGS} ${NACLPORTS_CFLAGS}"
   export CXXFLAGS="${NACLPORTS_CPPFLAGS} ${NACLPORTS_CXXFLAGS}"
   DefaultBuildStep
 }
 
 InstallStep() {
   MakeDir ${DESTDIR_LIB}
   LogExecute cp libnacl_spawn.a ${DESTDIR_LIB}
   if [ "${NACL_LIBC}" = "glibc" -o "${NACL_LIBC}" = "bionic" ]; then
     LogExecute cp libnacl_spawn.so ${DESTDIR_LIB}
+    LogExecute cp libcli_main.so ${DESTDIR_LIB}
   fi
   LogExecute cp libcli_main.a ${DESTDIR_LIB}
   MakeDir ${DESTDIR_INCLUDE}
-  LogExecute cp -f ${START_DIR}/spawn.h ${DESTDIR_INCLUDE}/
-  LogExecute cp -f ${START_DIR}/nacl_main.h ${DESTDIR_INCLUDE}/
+  LogExecute cp -f ${START_DIR}/include/spawn.h ${DESTDIR_INCLUDE}/
+  LogExecute cp -f ${START_DIR}/include/nacl_main.h ${DESTDIR_INCLUDE}/
   if [ $TOOLCHAIN = bionic ]; then
-    LogExecute cp -f ${START_DIR}/bsd_spawn.h ${DESTDIR_INCLUDE}/
+    LogExecute cp -f ${START_DIR}/include/bsd_spawn.h ${DESTDIR_INCLUDE}/
   fi
 }