Remove support for HPUX, which is discontinued and does not provide a c++17 complaint compiler.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

3 files changed, 5 insertions, 358 deletions

diff --git a/acinclude.m4 b/acinclude.m4
index 1151848..19bf76b 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -6247,10 +6247,6 @@ EOF
   exit 0
 fi
 
-# The HP-UX ksh and POSIX shell print the target directory to stdout
-# if CDPATH is set.
-if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
-
 if test -z "$ECHO"; then
 if test "X${echo_test_string+set}" != Xset; then
 # find a string as large as possible, as long as the shell can cope with it
@@ -6374,21 +6370,6 @@ test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
 # Some flags need to be propagated to the compiler or linker for good
 # libtool support.
 case $host in
-ia64-*-hpux*)
-  # Find out which ABI we are using.
-  echo 'int i;' > conftest.$ac_ext
-  if AC_TRY_EVAL(ac_compile); then
-    case `/usr/bin/file conftest.$ac_objext` in
-    *ELF-32*)
-      HPUX_IA64_MODE="32"
-      ;;
-    *ELF-64*)
-      HPUX_IA64_MODE="64"
-      ;;
-    esac
-  fi
-  rm -rf conftest*
-  ;;
 *-*-irix6*)
   # Find out which ABI we are using.
   echo '[#]line __oline__ "configure"' > conftest.$ac_ext
@@ -7235,52 +7216,6 @@ gnu*)
   hardcode_into_libs=yes
   ;;
 
-hpux9* | hpux10* | hpux11*)
-  # Give a soname corresponding to the major version so that dld.sl refuses to
-  # link against other versions.
-  version_type=sunos
-  need_lib_prefix=no
-  need_version=no
-  case "$host_cpu" in
-  ia64*)
-    shrext='.so'
-    hardcode_into_libs=yes
-    dynamic_linker="$host_os dld.so"
-    shlibpath_var=LD_LIBRARY_PATH
-    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
-    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
-    soname_spec='${libname}${release}${shared_ext}$major'
-    if test "X$HPUX_IA64_MODE" = X32; then
-      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
-    else
-      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
-    fi
-    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-    ;;
-   hppa*64*)
-     shrext='.sl'
-     hardcode_into_libs=yes
-     dynamic_linker="$host_os dld.sl"
-     shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
-     shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
-     library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
-     soname_spec='${libname}${release}${shared_ext}$major'
-     sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
-     sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-     ;;
-   *)
-    shrext='.sl'
-    dynamic_linker="$host_os dld.sl"
-    shlibpath_var=SHLIB_PATH
-    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
-    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
-    soname_spec='${libname}${release}${shared_ext}$major'
-    ;;
-  esac
-  # HP-UX runs *really* slowly unless shared libraries are mode 555.
-  postinstall_cmds='chmod 555 $lib'
-  ;;
-
 irix5* | irix6* | nonstopux*)
   case $host_os in
     nonstopux*) version_type=nonstopux ;;
@@ -8031,24 +7966,6 @@ gnu*)
   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
-    ;;
-  hppa*64*)
-    [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - PA-RISC [0-9].[0-9]']
-    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
-    ;;
-  *)
-    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]].[[0-9]]) shared library'
-    lt_cv_file_magic_test_file=/usr/lib/libc.sl
-    ;;
-  esac
-  ;;
-
 irix5* | irix6* | nonstopux*)
   case $host_os in
   irix5* | nonstopux*)
@@ -8169,15 +8086,13 @@ else
     tmp_nm="$ac_dir/${ac_tool_prefix}nm"
     if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
       # Check to see if the nm accepts a BSD-compat flag.
-      # Adding the `sed 1q' prevents false positives on HP-UX, which says:
-      #   nm: unknown option "B" ignored
-      case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
+      case `"$tmp_nm" -B /dev/null 2>&1` in
       *'Invalid file or object type'*)
 	lt_cv_path_NM="$tmp_nm -B"
 	break
         ;;
       *)
-	case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
+	case `"$tmp_nm" -p /dev/null 2>&1` in
 	*/dev/null*)
 	  lt_cv_path_NM="$tmp_nm -p"
 	  break
@@ -8815,123 +8730,6 @@ case $host_os in
     ;;
   gnu*)
     ;;
-  hpux9*)
-    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
-    _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
-    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
-    _LT_AC_TAGVAR(hardcode_direct, $1)=yes
-    _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
-				# but as the default
-				# location of the library.
-
-    case $cc_basename in
-    CC)
-      # FIXME: insert proper C++ library support
-      _LT_AC_TAGVAR(ld_shlibs, $1)=no
-      ;;
-    aCC)
-      _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $compiler_flags $predep_objects $libobjs $deplibs $postdep_objects~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
-      # Commands to make compiler produce verbose output that lists
-      # what "hidden" libraries, object files and flags are used when
-      # linking a shared library.
-      #
-      # There doesn't appear to be a way to prevent this compiler from
-      # explicitly linking system object files so we need to strip them
-      # from the output so that they don't get included in the library
-      # dependencies.
-      output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | egrep "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
-      ;;
-    *)
-      if test "$GXX" = yes; then
-        _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $compiler_flags $predep_objects $libobjs $deplibs $postdep_objects~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
-      else
-        # FIXME: insert proper C++ library support
-        _LT_AC_TAGVAR(ld_shlibs, $1)=no
-      fi
-      ;;
-    esac
-    ;;
-  hpux10*|hpux11*)
-    if test $with_gnu_ld = no; then
-      case "$host_cpu" in
-      hppa*64*)
-	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
-	_LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='+b $libdir'
-	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
-        ;;
-      ia64*)
-	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-        ;;
-      *)
-	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
-	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
-	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
-        ;;
-      esac
-    fi
-    case "$host_cpu" in
-    hppa*64*)
-      _LT_AC_TAGVAR(hardcode_direct, $1)=no
-      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
-      ;;
-    ia64*)
-      _LT_AC_TAGVAR(hardcode_direct, $1)=no
-      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
-      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
-					      # but as the default
-					      # location of the library.
-      ;;
-    *)
-      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
-      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
-					      # but as the default
-					      # location of the library.
-      ;;
-    esac
-
-    case $cc_basename in
-      CC)
-	# FIXME: insert proper C++ library support
-	_LT_AC_TAGVAR(ld_shlibs, $1)=no
-	;;
-      aCC)
-	case "$host_cpu" in
-	hppa*64*|ia64*)
-	  _LT_AC_TAGVAR(archive_cmds, $1)='$LD -b +h $soname -o $lib $linker_flags $libobjs $deplibs'
-	  ;;
-	*)
-	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $compiler_flags $predep_objects $libobjs $deplibs $postdep_objects'
-	  ;;
-	esac
-	# Commands to make compiler produce verbose output that lists
-	# what "hidden" libraries, object files and flags are used when
-	# linking a shared library.
-	#
-	# There doesn't appear to be a way to prevent this compiler from
-	# explicitly linking system object files so we need to strip them
-	# from the output so that they don't get included in the library
-	# dependencies.
-	output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | grep "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
-	;;
-      *)
-	if test "$GXX" = yes; then
-	  if test $with_gnu_ld = no; then
-	    case "$host_cpu" in
-	    ia64*|hppa*64*)
-	      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -b +h $soname -o $lib $linker_flags $libobjs $deplibs'
-	      ;;
-	    *)
-	      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $compiler_flags $predep_objects $libobjs $deplibs $postdep_objects'
-	      ;;
-	    esac
-	  fi
-	else
-	  # FIXME: insert proper C++ library support
-	  _LT_AC_TAGVAR(ld_shlibs, $1)=no
-	fi
-	;;
-    esac
-    ;;
   irix5* | irix6*)
     case $cc_basename in
       CC)
@@ -8964,7 +8762,7 @@ case $host_os in
 	# Kuck and Associates, Inc. (KAI) C++ Compiler
 
 	# KCC will only create a shared library if the output file
-	# ends with ".so" (or ".sl" for HP-UX), so rename the library
+	# ends with ".so", so rename the library
 	# to its proper name (with version) after linking.
 	_LT_AC_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $compiler_flags $predep_objects $libobjs $deplibs $postdep_objects --soname $soname -o \$templib; mv \$templib $lib'
 	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $compiler_flags $predep_objects $libobjs $deplibs $postdep_objects --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib'
@@ -9687,10 +9485,6 @@ SED=$lt_SED
 # Sed that helps us avoid accidentally triggering echo(1) options like -n.
 Xsed="$SED -e s/^X//"
 
-# The HP-UX ksh and POSIX shell print the target directory to stdout
-# if CDPATH is set.
-if test "X\${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
-
 # The names of the tagged configurations supported by this script.
 available_tags=
 
@@ -10084,13 +9878,6 @@ aix*)
 cygwin* | mingw* | pw32*)
   symcode='[[ABCDGISTW]]'
   ;;
-hpux*) # Its linker distinguishes data from code symbols
-  if test "$host_cpu" = ia64; then
-    symcode='[[ABCDEGRST]]'
-  fi
-  lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
-  lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/  {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/  {\"\2\", (lt_ptr) \&\2},/p'"
-  ;;
 irix* | nonstopux*)
   symcode='[[BCDEGRST]]'
   ;;
@@ -10281,17 +10068,6 @@ AC_MSG_CHECKING([for $compiler option to produce PIC])
 	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
       fi
       ;;
-    hpux*)
-      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
-      # not for PA HP-UX.
-      case "$host_cpu" in
-      hppa*64*|ia64*)
-	;;
-      *)
-	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-	;;
-      esac
-      ;;
     *)
       _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
       ;;
@@ -10318,31 +10094,6 @@ AC_MSG_CHECKING([for $compiler option to produce PIC])
       freebsd* | kfreebsd*-gnu)
 	# FreeBSD uses GNU C++
 	;;
-      hpux9* | hpux10* | hpux11*)
-	case $cc_basename in
-	  CC)
-	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
-	    if test "$host_cpu" != ia64; then
-	      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
-	    fi
-	    ;;
-	  aCC)
-	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
-	    case "$host_cpu" in
-	    hppa*64*|ia64*)
-	      # +Z the default
-	      ;;
-	    *)
-	      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
-	      ;;
-	    esac
-	    ;;
-	  *)
-	    ;;
-	esac
-	;;
       irix5* | irix6* | nonstopux*)
 	case $cc_basename in
 	  CC)
@@ -10505,19 +10256,6 @@ AC_MSG_CHECKING([for $compiler option to produce PIC])
       fi
       ;;
 
-    hpux*)
-      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
-      # not for PA HP-UX.
-      case "$host_cpu" in
-      hppa*64*|ia64*)
-	# +Z the default
-	;;
-      *)
-	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
-	;;
-      esac
-      ;;
-
     *)
       _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
       ;;
@@ -10541,22 +10279,6 @@ AC_MSG_CHECKING([for $compiler option to produce PIC])
       _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'
       ;;
 
-    hpux9* | hpux10* | hpux11*)
-      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
-      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
-      # not for PA HP-UX.
-      case "$host_cpu" in
-      hppa*64*|ia64*)
-	# +Z the default
-	;;
-      *)
-	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
-	;;
-      esac
-      # Is there a better lt_prog_compiler_static that works with the bundled CC?
-      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
-      ;;
-
     irix5* | irix6* | nonstopux*)
       _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
       # PIC (with -KPIC) is the default.
@@ -11094,74 +10816,6 @@ EOF
       _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
       ;;
 
-    hpux9*)
-      if test "$GCC" = yes; then
-	_LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $compiler_flags $libobjs $deplibs~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
-      else
-	_LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
-      fi
-      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
-      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
-      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
-
-      # hardcode_minus_L: Not really in the search PATH,
-      # but as the default location of the library.
-      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
-      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
-      ;;
-
-    hpux10* | hpux11*)
-      if test "$GCC" = yes -a "$with_gnu_ld" = no; then
-	case "$host_cpu" in
-	hppa*64*|ia64*)
-	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $compiler_flags $libobjs $deplibs'
-	  ;;
-	*)
-	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $compiler_flags $libobjs $deplibs'
-	  ;;
-	esac
-      else
-	case "$host_cpu" in
-	hppa*64*|ia64*)
-	  _LT_AC_TAGVAR(archive_cmds, $1)='$LD -b +h $soname -o $lib $libobjs $deplibs $linker_flags'
-	  ;;
-	*)
-	  _LT_AC_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
-	  ;;
-	esac
-      fi
-      if test "$with_gnu_ld" = no; then
-	case "$host_cpu" in
-	hppa*64*)
-	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
-	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='+b $libdir'
-	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
-	  _LT_AC_TAGVAR(hardcode_direct, $1)=no
-	  _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
-	  ;;
-	ia64*)
-	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
-	  _LT_AC_TAGVAR(hardcode_direct, $1)=no
-	  _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
-
-	  # hardcode_minus_L: Not really in the search PATH,
-	  # but as the default location of the library.
-	  _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
-	  ;;
-	*)
-	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
-	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
-	  _LT_AC_TAGVAR(hardcode_direct, $1)=yes
-	  _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
-
-	  # hardcode_minus_L: Not really in the search PATH,
-	  # but as the default location of the library.
-	  _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
-	  ;;
-	esac
-      fi
-      ;;
-
     irix5* | irix6* | nonstopux*)
       if test "$GCC" = yes; then
 	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $compiler_flags $libobjs $deplibs ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
diff --git a/aclocal.m4 b/aclocal.m4
index 55ee00d..480aeab 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -186,10 +186,7 @@ AC_CACHE_CHECK([dependency style of $depcc],
                [am_cv_$1_dependencies_compiler_type],
 [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
   # We make a subdir and do the tests there.  Otherwise we can end up
-  # making bogus files that we don't know about and never remove.  For
-  # instance it was reported that on HP-UX the gcc test will end up
-  # making a dummy file named `D' -- because `-MD' means `put the output
-  # in D'.
+  # making bogus files that we don't know about and never remove.
   mkdir conftest.dir
   # Copy depcomp to subdir because otherwise we won't find it if we're
   # using a relative directory.
diff --git a/config.h.in b/config.h.in
index 015564e..54c472a 100644
--- a/config.h.in
+++ b/config.h.in
@@ -206,11 +206,7 @@ unsigned long strlcpy(char*, const char*, unsigned long);
 
 
 
-/*
- * On HP-UX, the declaration of vsnprintf() is needed every time !
- */
-
-#if !defined(HAVE_VSNPRINTF) || defined(hpux)
+#if !defined(HAVE_VSNPRINTF)
 #if __STDC__
 #include <stdarg.h>
 #include <stdlib.h>