Fix interlibrary dependencies in target shared library builds

zlib/configure

 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.59.
 #
 # Copyright (C) 2003 Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
 ## --------------------- ##
 ## M4sh Initialization.  ##
 ## --------------------- ##
@@ skipping 4105 matching lines @@
       lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library'
       lt_cv_file_magic_cmd=/usr/bin/file
       lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
       ;;
     esac
   else
     lt_cv_deplibs_check_method=pass_all
   fi
   ;;
 
-gnu*)
+gnu* | nacl*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
 hpux10.20* | hpux11*)
   lt_cv_file_magic_cmd=/usr/bin/file
   case $host_cpu in
   ia64*)
     lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64'
     lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
     ;;
@@ skipping 4805 matching lines @@
   sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
   sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
   hardcode_into_libs=yes
   ;;
 
 # No shared lib support for Linux oldld, aout, or coff.
 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
   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'
   finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=no
@@ skipping 1053 matching lines @@
 echo $ECHO_N "checking whether a program can dlopen itself... $ECHO_C" >&6
 if test "${lt_cv_dlopen_self+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
           if test "$cross_compiling" = yes; then :
   lt_cv_dlopen_self=cross
 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
 #include <dlfcn.h>
 #endif
 
 #include <stdio.h>
 
 #ifdef RTLD_GLOBAL
 #  define LT_DLGLOBAL           RTLD_GLOBAL
@@ skipping 75 matching lines @@
 echo $ECHO_N "checking whether a statically linked program can dlopen itself... $ECHO_C" >&6
 if test "${lt_cv_dlopen_self_static+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
           if test "$cross_compiling" = yes; then :
   lt_cv_dlopen_self_static=cross
 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
 #include <dlfcn.h>
 #endif
 
 #include <stdio.h>
 
 #ifdef RTLD_GLOBAL
 #  define LT_DLGLOBAL           RTLD_GLOBAL
@@ skipping 3433 matching lines @@
   test "$silent" = yes &&
     ac_config_status_args="$ac_config_status_args --quiet"
   exec 5>/dev/null
   $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
   $ac_cs_success || { (exit 1); exit 1; }
 fi