remote.c: Make read_ptid return a null value when no thread id is found.

[deliverable/binutils-gdb.git] / gold / configure

diff --git a/gold/configure b/gold/configure
index 3427074672688f04acd0cda5925c375f9e6acf52..a005a757ec7a0afd29396b998fea766d005537cd 100755 (executable)
--- a/gold/configure
+++ b/gold/configure
@@ -600,8 +600,8 @@ HAVE_NO_USE_LINKER_PLUGIN_FALSE
 HAVE_NO_USE_LINKER_PLUGIN_TRUE
 HAVE_PUBNAMES_FALSE
 HAVE_PUBNAMES_TRUE
-HAVE_ZLIB_FALSE
-HAVE_ZLIB_TRUE
+zlibinc
+zlibdir
 LIBOBJS
 LFS_CFLAGS
 GOLD_LDADD
@@ -796,7 +796,7 @@ enable_werror
 enable_build_warnings
 with_gold_ldflags
 with_gold_ldadd
-with_zlib
+with_system_zlib
 enable_maintainer_mode
 '
       ac_precious_vars='build_alias
@@ -1453,7 +1453,7 @@ Optional Packages:
   --with-lib-path=dir1:dir2...  set default LIB_PATH
   --with-gold-ldflags=FLAGS  additional link flags for gold
   --with-gold-ldadd=LIBS     additional libraries for gold
-  --with-zlib             include zlib support (auto/yes/no) default=auto
+  --with-system-zlib      use installed libz
 
 Some influential environment variables:
   CC          C compiler command
@@ -6875,96 +6875,21 @@ fi
 
 # Link in zlib if we can.  This allows us to write compressed sections.
 
-  # See if the user specified whether he wants zlib support or not.
+  # Use the system's zlib library.
+  zlibdir="-L\$(top_builddir)/../zlib"
+  zlibinc="-I\$(top_srcdir)/../zlib"
 
-# Check whether --with-zlib was given.
-if test "${with_zlib+set}" = set; then :
-  withval=$with_zlib;
-else
-  with_zlib=auto
-fi
-
-
-  if test "$with_zlib" != "no"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing zlibVersion" >&5
-$as_echo_n "checking for library containing zlibVersion... " >&6; }
-if test "${ac_cv_search_zlibVersion+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_func_search_save_LIBS=$LIBS
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char zlibVersion ();
-int
-main ()
-{
-return zlibVersion ();
-  ;
-  return 0;
-}
-_ACEOF
-for ac_lib in '' z; do
-  if test -z "$ac_lib"; then
-    ac_res="none required"
-  else
-    ac_res=-l$ac_lib
-    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+# Check whether --with-system-zlib was given.
+if test "${with_system_zlib+set}" = set; then :
+  withval=$with_system_zlib; if test x$with_system_zlib = xyes ; then
+    zlibdir=
+    zlibinc=
   fi
-  if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_search_zlibVersion=$ac_res
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext
-  if test "${ac_cv_search_zlibVersion+set}" = set; then :
-  break
-fi
-done
-if test "${ac_cv_search_zlibVersion+set}" = set; then :
 
-else
-  ac_cv_search_zlibVersion=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_zlibVersion" >&5
-$as_echo "$ac_cv_search_zlibVersion" >&6; }
-ac_res=$ac_cv_search_zlibVersion
-if test "$ac_res" != no; then :
-  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-  for ac_header in zlib.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_zlib_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_ZLIB_H 1
-_ACEOF
 
-fi
 
-done
 
-fi
-
-    if test "$with_zlib" = "yes" -a "$ac_cv_header_zlib_h" != "yes"; then
-      as_fn_error "zlib (libz) library was explicitly requested but not found" "$LINENO" 5
-    fi
-  fi
-
- if test "$ac_cv_header_zlib_h" = "yes"; then
-  HAVE_ZLIB_TRUE=
-  HAVE_ZLIB_FALSE='#'
-else
-  HAVE_ZLIB_TRUE='#'
-  HAVE_ZLIB_FALSE=
-fi
 
 
 ac_fn_c_check_decl "$LINENO" "basename" "ac_cv_have_decl_basename" "$ac_includes_default"
@@ -7911,10 +7836,6 @@ if test -z "${IFUNC_STATIC_TRUE}" && test -z "${IFUNC_STATIC_FALSE}"; then
   as_fn_error "conditional \"IFUNC_STATIC\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
-if test -z "${HAVE_ZLIB_TRUE}" && test -z "${HAVE_ZLIB_FALSE}"; then
-  as_fn_error "conditional \"HAVE_ZLIB\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
 if test -z "${HAVE_PUBNAMES_TRUE}" && test -z "${HAVE_PUBNAMES_FALSE}"; then
   as_fn_error "conditional \"HAVE_PUBNAMES\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5