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Do not build libctf for targets that do not use the ELF file format.

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top	* configure.ac (noconfigdirs): Add libctf if the target does not use
	the ELF file format.
	* configure: Regenerate.

binutils* configure.ac (LIBCTF): Export.  Set to empty for non-ELF based
	targets.
	(HAVE_LIBCTF): Define if libctf support is available.
	* Makefile.am (LIBCTF): Set value to @LIBCTF@.
	* objdump.c: Make CTF code conditional upon HAVE_LIBCTF being
	defined.
	* readelf.c: Likewise.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* config.in: Regenerate.
This commit is contained in:
Nick Clifton
2019-05-29 11:31:16 +01:00
parent 9698cf9b1c
commit 90bd54236c
12 changed files with 202 additions and 13 deletions
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30
binutils/configure.ac
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@@ -393,6 +393,35 @@ changequote([,])dnl
fi
done
AC_MSG_CHECKING([for libctf support])
case "${target}" in
*-*-pe | *-*-*vms* | *-*-darwin | *-*-*coff* | *-*-wince | *-*-mingw*)
AC_CACHE_VAL(bu_cv_libctf_support, bu_cv_libctf_support=no)
;;
*-*-aout | *-*-osf* | *-*-go32 | *-*-macos* | *-*-rhapsody*)
AC_CACHE_VAL(bu_cv_libctf_support, bu_cv_libctf_support=no)
;;
*-*-netbsdpe | *-*-cygwin* | *-*-pep | *-*-msdos | *-*-winnt)
AC_CACHE_VAL(bu_cv_libctf_support, bu_cv_libctf_support=no)
;;
ns32k-*-* | pdp11-*-* | *-*-aix* | *-*-netbsdaout)
AC_CACHE_VAL(bu_cv_libctf_support, bu_cv_libctf_support=no)
;;
*)
AC_CACHE_VAL(bu_cv_libctf_support, bu_cv_libctf_support=yes)
;;
esac
AC_MSG_RESULT($bu_cv_libctf_support)
if test $bu_cv_libctf_support = yes; then
AC_DEFINE(HAVE_LIBCTF, 1, [Is libctf available?])
fi
LIBCTF=
if test $bu_cv_libctf_support = yes; then
LIBCTF=../libctf/libctf.a
fi
# Uniq objdump private vector, build objdump target ofiles.
od_files=
f=""
@@ -449,6 +478,7 @@ AC_SUBST(BUILD_MISC)
AC_SUBST(BUILD_INSTALL_MISC)
AC_SUBST(OBJDUMP_DEFS)
AC_SUBST(OBJDUMP_PRIVATE_OFILES)
AC_SUBST(LIBCTF)
AC_DEFINE_UNQUOTED(TARGET, "${target}", [Configured target name.])