Fix interlibrary dependencies in target shared library builds

zlib/configure

Index: zlib/configure
diff --git a/zlib/configure b/zlib/configure
index 284449a5fcfb4277c4aebf6ec6aa4370c63e77d7..98899fa910fd91306d05500c4f615230f48b19e1 100755
--- a/zlib/configure
+++ b/zlib/configure
@@ -4123,7 +4123,7 @@ freebsd* | dragonfly*)
   fi
   ;;
 
-gnu*)
+gnu* | nacl*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
@@ -8949,6 +8949,21 @@ linux*oldld* | linux*aout* | linux*coff*)
   dynamic_linker=no
   ;;
 
+nacl*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+  ;;
+
 # This must be Linux ELF.
 linux* | k*bsd*-gnu | kopensolaris*-gnu)
   version_type=linux
@@ -10022,7 +10037,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10025 "configure"
+#line 10040 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10118,7 +10133,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10121 "configure"
+#line 10136 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H