ltconfig

移植到WLIT项目的redboot源代码

  dynamic_linker=no
  ;;
  
freebsd*)
  objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
  version_type=freebsd-$objformat
  case "$version_type" in
    freebsd-elf*)
      deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'
      file_magic_cmd=/usr/bin/file
      file_magic_test_file=`echo /usr/lib/libc.so*`
      library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
      need_version=no
      need_lib_prefix=no
      ;;
    freebsd-*)
      deplibs_check_method=unknown
      library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
      need_version=yes
      ;;
  esac
  finish_cmds='PATH="$PATH:/sbin" OBJFORMAT="'"$objformat"'" ldconfig -m $libdir'
  shlibpath_var=LD_LIBRARY_PATH
  ;;

gnu*)
  version_type=linux
  library_names_spec='${libname}${release}.so$versuffix ${libname}.so'
  shlibpath_var=LD_LIBRARY_PATH
  ;;

hpux9* | hpux10* | hpux11*)
  # Give a soname corresponding to the major version so that dld.sl refuses to
  # link against other versions.
  dynamic_linker="$host_os dld.sl"
  version_type=sunos
  need_lib_prefix=no
  need_version=no
  shlibpath_var=SHLIB_PATH
  library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
  soname_spec='${libname}${release}.sl$major'
  # HP-UX runs *really* slowly unless shared libraries are mode 555.
  postinstall_cmds='chmod 555 $lib'
  ;;

irix5*)
  version_type=irix
  soname_spec='${libname}${release}.so'
  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
  shlibpath_var=LD_LIBRARY_PATH
  deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1" # or should it be pass_all?
  file_magic_cmd=/usr/bin/file
  file_magic_test_file=`echo /lib/libc.so*`
  shlibpath_overrides_runpath=no
  ;;

irix6*)
  version_type=irix
  need_lib_prefix=no
  need_version=no
  soname_spec='${libname}${release}.so'
  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
  case "$LD" in # libtool.m4 will add one of these switches to LD
  *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
  *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
  *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
  *) libsuff= shlibsuff= libmagic=never-match;;
  esac
  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
  shlibpath_overrides_runpath=no
  # even though /usr/local/lib is always searched, the man-page says
  # shared libraries should not be installed there if they use an ABI
  # different from -32, so we'd better not search for shared libraries
  # there either
  sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}"
  sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}"
  deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1" # or should it be pass_all?
  file_magic_cmd=/usr/bin/file
  file_magic_test_file=`echo /lib${libsuff}/libc.so*`
  ;;

# No shared lib support for Linux oldld, aout, or coff.
linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
  dynamic_linker=no
  ;;

# This must be Linux ELF.
linux-gnu*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  soname_spec='${libname}${release}.so$major'
  finish_cmds='PATH="$PATH:/sbin" ldconfig -n $libdir'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=no
  deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
  file_magic_cmd=/usr/bin/file
  file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`

  if test -f /lib/ld.so.1; then
    dynamic_linker='GNU ld.so'
  else
    # Only the GNU ld.so supports shared libraries on MkLinux.
    case "$host_cpu" in
    powerpc*) dynamic_linker=no ;;
    *) dynamic_linker='Linux ld.so' ;;
    esac
  fi
  ;;

netbsd*)
  version_type=sunos
  if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
    library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
    finish_cmds='PATH="$PATH:/sbin" ldconfig -m $libdir'
    dynamic_linker='NetBSD (a.out) ld.so'
  else
    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
    soname_spec='${libname}${release}.so$major'
    dynamic_linker='NetBSD ld.elf_so'
  fi
  shlibpath_var=LD_LIBRARY_PATH
  ;;

openbsd*)
  version_type=sunos
  if test "$with_gnu_ld" = yes; then
    need_lib_prefix=no
    need_version=no
  fi
  library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
  shlibpath_var=LD_LIBRARY_PATH
  ;;

os2*)
  libname_spec='$name'
  need_lib_prefix=no
  library_names_spec='$libname.dll $libname.a'
  dynamic_linker='OS/2 ld.exe'
  shlibpath_var=LIBPATH
  ;;

osf3* | osf4*)
  version_type=osf
  soname_spec='${libname}${release}.so'
  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
  shlibpath_var=LD_LIBRARY_PATH
  # deplibs_check_method='pass_all'
  # Although pass_all appears to work, it copies symbols from static libraries
  # into shared ones and exports them.  So, when a program is linked with two
  # or more libraries that have got copies of the same symbols, link fails
  # This was only tested on osf4:
  deplibs_check_method='file_magic COFF format alpha shared library'
  file_magic_cmd=/usr/bin/file
  file_magic_test_file=/shlib/libc.so
  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
  ;;

sco3.2v5*)
  version_type=osf
  soname_spec='${libname}${release}.so$major'
  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  shlibpath_var=LD_LIBRARY_PATH
  ;;

solaris*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  soname_spec='${libname}${release}.so$major'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=yes
  # ldd complains unless libraries are executable
  postinstall_cmds='chmod +x $lib'
  deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib"
  file_magic_cmd=/usr/bin/file
  file_magic_test_file=/lib/libc.so
  ;;

sunos4*)
  version_type=sunos
  library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=yes
  if test "$with_gnu_ld" = yes; then
    need_lib_prefix=no
  fi
  need_version=yes
  ;;

sysv4.2uw2* | sysv4.3* | sysv5*)
  version_type=linux
  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  soname_spec='${libname}${release}.so$major'
  shlibpath_var=LD_LIBRARY_PATH
  case "$host_vendor" in
    ncr)
      deplibs_check_method='pass_all'
      ;;
  esac
  ;;

uts4*)
  version_type=linux
  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  soname_spec='${libname}${release}.so$major'
  shlibpath_var=LD_LIBRARY_PATH
  ;;

dgux*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
  soname_spec='${libname}${release}.so$major'
  shlibpath_var=LD_LIBRARY_PATH
  ;;

*)
  dynamic_linker=no
  ;;
esac
echo "$ac_t$dynamic_linker" 1>&6
test "$dynamic_linker" = no && can_build_shared=no

# Report the final consequences.
echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6

if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then
  case "$deplibs_check_method" in
  "file_magic "*)
    file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
    if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
       egrep "$file_magic_regex" > /dev/null; then
      :
    else
      cat <<EOF 1>&2

*** Warning: the command libtool uses to detect shared libraries,
*** $file_magic_cmd, produces output that libtool cannot recognize.
*** The result is that libtool may fail to recognize shared libraries
*** as such.  This will affect the creation of libtool libraries that
*** depend on shared libraries, but programs linked with such libtool
*** libraries will work regardless of this problem.  Nevertheless, you
*** may want to report the problem to your system manager and/or to
*** [e-mail]

EOF
    fi ;;
  esac
fi

echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
test "$can_build_shared" = "no" && enable_shared=no

# On AIX, shared libraries and static libraries use the same namespace, and
# are all built from PIC.
case "$host_os" in
aix3*)
  test "$enable_shared" = yes && enable_static=no
  if test -n "$RANLIB"; then
    archive_cmds="$archive_cmds~\$RANLIB \$lib"
    postinstall_cmds='$RANLIB $lib'
  fi
  ;;

aix4*)
  test "$enable_shared" = yes && enable_static=no
  ;;
esac

echo "$ac_t$enable_shared" 1>&6

# Make sure either enable_shared or enable_static is yes.
test "$enable_shared" = yes || enable_static=yes

echo "checking whether to build static libraries... $enable_static" 1>&6

if test "$hardcode_action" = relink; then
  # Fast installation is not supported
  enable_fast_install=no
elif test "$shlibpath_overrides_runpath" = yes ||
     test "$enable_shared" = no; then
  # Fast installation is not necessary
  enable_fast_install=needless
fi

echo $ac_n "checking for objdir... $ac_c" 1>&6
rm -f .libs 2>/dev/null
mkdir .libs 2>/dev/null
if test -d .libs; then
  objdir=.libs
else
  # MS-DOS does not allow filenames that begin with a dot.
  objdir=_libs
fi
rmdir .libs 2>/dev/null
echo "$ac_t$objdir" 1>&6

if test "x$enable_dlopen" != xyes; then
  enable_dlopen=unknown
  enable_dlopen_self=unknown
  enable_dlopen_self_static=unknown
else
if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then
  lt_cv_dlopen=no lt_cv_dlopen_libs=
echo $ac_n "checking for dlopen""... $ac_c" 1>&6
echo "$progname:1977: checking for dlopen" >&5
if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1982 "ltconfig"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char dlopen(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char dlopen();

int main() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_dlopen) || defined (__stub___dlopen)
choke me
#else
dlopen();
#endif

; return 0; }
EOF
if { (eval echo $progname:2004: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_dlopen=yes"
else
  echo "$progname: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_dlopen=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  lt_cv_dlopen="dlopen"
else
  echo "$ac_t""no" 1>&6
echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
echo "$progname:2022: checking for dlopen in -ldl" >&5
ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-ldl  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 2030 "ltconfig"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char dlopen();

int main() {
dlopen()
; return 0; }
EOF
if { (eval echo $progname:2040: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "$progname: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
else
  echo "$ac_t""no" 1>&6
echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
echo "$progname:2059: checking for dld_link in -ldld" >&5
ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-ldld  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 2067 "ltconfig"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char dld_link();

int main() {
dld_link()
; return 0; }
EOF
if { (eval echo $progname:2077: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5;