configure.ac: Do the dolt
Use dolt instead of libtool whereever practical. See: http://lists.debian.org/debian-devel/2008/04/msg00286.html
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Daniel Stone
parent
b19027fbae
commit
6d031cbdef
141
acinclude.m4
141
acinclude.m4
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dnl dolt, a replacement for libtool
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dnl Copyright © 2007-2008 Josh Triplett <josh@freedesktop.org>
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dnl Copying and distribution of this file, with or without modification,
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dnl are permitted in any medium without royalty provided the copyright
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dnl notice and this notice are preserved.
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dnl
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dnl To use dolt, invoke the DOLT macro immediately after the libtool macros.
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dnl Optionally, copy this file into acinclude.m4, to avoid the need to have it
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dnl installed when running autoconf on your project.
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dnl
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dnl git snapshot: 198a3026b347b9220a2f2e2ae23a3049c35af262
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AC_DEFUN([DOLT], [
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AC_REQUIRE([AC_CANONICAL_HOST])
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# dolt, a replacement for libtool
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# Josh Triplett <josh@freedesktop.org>
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AC_PATH_PROG(DOLT_BASH, bash)
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AC_MSG_CHECKING([if libtool sucks])
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AC_MSG_RESULT([yup, it does])
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AC_MSG_CHECKING([if dolt supports this host])
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dolt_supported=yes
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if test x$DOLT_BASH = x; then
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dolt_supported=no
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fi
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if test x$GCC != xyes; then
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dolt_supported=no
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fi
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case $host in
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i?86-*-linux*|x86_64-*-linux*) ;;
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*) dolt_supported=no ;;
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esac
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if test x$dolt_supported = xno ; then
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AC_MSG_RESULT([no, falling back to libtool])
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else
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AC_MSG_RESULT([yes, replacing libtool])
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dnl Start writing out doltcompile.
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cat <<__DOLTCOMPILE__EOF__ >doltcompile
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#!$DOLT_BASH
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__DOLTCOMPILE__EOF__
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cat <<'__DOLTCOMPILE__EOF__' >>doltcompile
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args=("$[]@")
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for ((arg=0; arg<${#args@<:@@@:>@}; arg++)) ; do
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if test x"${args@<:@$arg@:>@}" = x-o ; then
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objarg=$((arg+1))
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break
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fi
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done
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if test x$objarg = x ; then
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echo 'Error: no -o on compiler command line' 1>&2
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exit 1
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fi
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lo="${args@<:@$objarg@:>@}"
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obj="${lo%.lo}"
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if test x"$lo" = x"$obj" ; then
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echo "Error: libtool object file name \"$lo\" does not end in .lo" 1>&2
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exit 1
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fi
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objbase="${obj##*/}"
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__DOLTCOMPILE__EOF__
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dnl Write out shared compilation code.
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if test x$enable_shared = xyes; then
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cat <<'__DOLTCOMPILE__EOF__' >>doltcompile
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libobjdir="${obj%$objbase}.libs"
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if test ! -d "$libobjdir" ; then
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mkdir "$libobjdir"
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mkdir_ret=$?
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if test "$mkdir_ret" -ne 0 && test ! -d "$libobjdir" ; then
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exit $mkdir_ret
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fi
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fi
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pic_object="$libobjdir/$objbase.o"
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args@<:@$objarg@:>@="$pic_object"
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"${args@<:@@@:>@}" -fPIC -DPIC
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__DOLTCOMPILE__EOF__
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fi
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dnl Write out static compilation code.
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dnl Avoid duplicate compiler output if also building shared objects.
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if test x$enable_static = xyes; then
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cat <<'__DOLTCOMPILE__EOF__' >>doltcompile
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non_pic_object="$obj.o"
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args@<:@$objarg@:>@="$non_pic_object"
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__DOLTCOMPILE__EOF__
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if test x$enable_shared = xyes; then
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cat <<'__DOLTCOMPILE__EOF__' >>doltcompile
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"${args@<:@@@:>@}" >/dev/null 2>&1
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__DOLTCOMPILE__EOF__
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else
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cat <<'__DOLTCOMPILE__EOF__' >>doltcompile
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"${args@<:@@@:>@}"
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__DOLTCOMPILE__EOF__
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fi
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fi
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dnl Write out the code to write the .lo file.
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dnl The second line of the .lo file must match "^# Generated by .*libtool"
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cat <<'__DOLTCOMPILE__EOF__' >>doltcompile
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{
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echo "# $lo - a libtool object file"
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echo "# Generated by doltcompile, not libtool"
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__DOLTCOMPILE__EOF__
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if test x$enable_shared = xyes; then
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cat <<'__DOLTCOMPILE__EOF__' >>doltcompile
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echo "pic_object='$pic_object'"
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__DOLTCOMPILE__EOF__
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else
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cat <<'__DOLTCOMPILE__EOF__' >>doltcompile
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echo pic_object=none
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__DOLTCOMPILE__EOF__
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fi
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if test x$enable_static = xyes; then
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cat <<'__DOLTCOMPILE__EOF__' >>doltcompile
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echo "non_pic_object='$non_pic_object'"
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__DOLTCOMPILE__EOF__
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else
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cat <<'__DOLTCOMPILE__EOF__' >>doltcompile
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echo non_pic_object=none
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__DOLTCOMPILE__EOF__
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fi
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cat <<'__DOLTCOMPILE__EOF__' >>doltcompile
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} > "$lo"
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__DOLTCOMPILE__EOF__
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dnl Done writing out doltcompile; substitute it for libtool compilation.
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chmod +x doltcompile
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LTCOMPILE='$(top_builddir)/doltcompile $(COMPILE)'
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AC_SUBST(LTCOMPILE)
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LTCXXCOMPILE='$(top_builddir)/doltcompile $(CXXCOMPILE)'
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AC_SUBST(LTCXXCOMPILE)
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fi
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# end dolt
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])
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##### http://autoconf-archive.cryp.to/ac_define_dir.html
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#
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# SYNOPSIS
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@ -58,6 +58,7 @@ AC_PROG_LN_S
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AC_LIBTOOL_WIN32_DLL
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AC_DISABLE_STATIC
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AC_PROG_LIBTOOL
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DOLT
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AC_PROG_MAKE_SET
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PKG_PROG_PKG_CONFIG
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AC_PROG_LEX
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