LLVM doesn't use libelf. Remove libelf configurey.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75643 91177308-0d34-0410-b5e6-96231b3b80d8

autoconf/configure.ac

@@ -864,8 +864,6 @@ dnl=== SECTION 5: Check for libraries
 dnl===
 dnl===-----------------------------------------------------------------------===
 
-dnl libelf is for sparc only; we can ignore it if we don't have it
-AC_CHECK_LIB(elf, elf_begin)
 AC_CHECK_LIB(m,sin)
 if test "$llvm_cv_os_type" = "MingW" ; then
   AC_CHECK_LIB(imagehlp, main)

configure

@@ -27353,95 +27353,6 @@ fi
 { echo "$as_me:$LINENO: result: ok" >&5
 echo "${ECHO_T}ok" >&6; }
 
-
-
-{ echo "$as_me:$LINENO: checking for elf_begin in -lelf" >&5
-echo $ECHO_N "checking for elf_begin in -lelf... $ECHO_C" >&6; }
-if test "${ac_cv_lib_elf_elf_begin+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lelf  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* 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 elf_begin ();
-int
-main ()
-{
-return elf_begin ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_lib_elf_elf_begin=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_elf_elf_begin=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_elf_elf_begin" >&5
-echo "${ECHO_T}$ac_cv_lib_elf_elf_begin" >&6; }
-if test $ac_cv_lib_elf_elf_begin = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBELF 1
-_ACEOF
-
-  LIBS="-lelf $LIBS"
-
-fi
-
-
 { echo "$as_me:$LINENO: checking for sin in -lm" >&5
 echo $ECHO_N "checking for sin in -lm... $ECHO_C" >&6; }
 if test "${ac_cv_lib_m_sin+set}" = set; then

include/llvm/Config/config.h.cmake

@@ -181,9 +181,6 @@
 /* Define if you have the libdl library or equivalent. */
 #undef HAVE_LIBDL
 
-/* Define to 1 if you have the `elf' library (-lelf). */
-#undef HAVE_LIBELF
-
 /* Define to 1 if you have the `imagehlp' library (-limagehlp). */
 #cmakedefine HAVE_LIBIMAGEHLP ${HAVE_LIBIMAGEHLP}
 

include/llvm/Config/config.h.in

@@ -184,9 +184,6 @@
 /* Define if you have the libdl library or equivalent. */
 #undef HAVE_LIBDL
 
-/* Define to 1 if you have the `elf' library (-lelf). */
-#undef HAVE_LIBELF
-
 /* Define to 1 if you have the `imagehlp' library (-limagehlp). */
 #undef HAVE_LIBIMAGEHLP