66e7a4d523
(NCN_STRICT_CHECK_TOOL): If program is not found and
value-if-not-found is empty, use ${ncn_tool_prefix}$2 or $2,
depending on whether build != host or not.
(NCN_STRICT_CHECK_TARGET_TOOL): Ditto, with the target prefix.
81 lines
2.4 KiB
Text
81 lines
2.4 KiB
Text
# Autoconf M4 include file defining utility macros for complex Canadian
|
|
# cross builds.
|
|
|
|
####
|
|
# _NCN_TOOL_PREFIXES: Some stuff that oughtta be done in AC_CANONICAL_SYSTEM
|
|
# or AC_INIT.
|
|
# These demand that AC_CANONICAL_SYSTEM be called beforehand.
|
|
AC_DEFUN([_NCN_TOOL_PREFIXES],
|
|
[ncn_tool_prefix=
|
|
test -n "$host_alias" && ncn_tool_prefix=$host_alias-
|
|
ncn_target_tool_prefix=
|
|
test -n "$target_alias" && ncn_target_tool_prefix=$target_alias-
|
|
]) []dnl # _NCN_TOOL_PREFIXES
|
|
|
|
####
|
|
# NCN_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path])
|
|
# Like AC_CHECK_TOOL, but tries a prefix of the target, not the host.
|
|
# Code is pretty much lifted from autoconf2.53.
|
|
|
|
AC_DEFUN([NCN_CHECK_TARGET_TOOL],
|
|
[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl
|
|
if test -n "$ncn_target_tool_prefix"; then
|
|
AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}$2],
|
|
[${ncn_target_tool_prefix}$2], , [$4])
|
|
fi
|
|
if test -z "$ac_cv_prog_$1" ; then
|
|
ncn_cv_$1=$$1
|
|
AC_CHECK_PROG([ncn_cv_$1], [$2], [$2], [$3], [$4])
|
|
$1=$ncn_cv_$1
|
|
else
|
|
$1="$ac_cv_prog_$1"
|
|
fi
|
|
]) []dnl # NCN_CHECK_TARGET_TOOL
|
|
|
|
|
|
####
|
|
# NCN_STRICT_CHECK_TOOL(variable, prog-to-check-for,[value-if-not-found],[path])
|
|
# Like AC_CHECK_TOOL, but requires the prefix if build!=host.
|
|
|
|
AC_DEFUN([NCN_STRICT_CHECK_TOOL],
|
|
[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl
|
|
if test -n "$ncn_tool_prefix"; then
|
|
AC_CHECK_PROG([$1], [${ncn_tool_prefix}$2],
|
|
[${ncn_tool_prefix}$2], , [$4])
|
|
fi
|
|
if test -z "$ac_cv_prog_$1" ; then
|
|
if test $build = $host ; then
|
|
ncn_cv_$1=$$1
|
|
AC_CHECK_PROG([ncn_cv_$1], [$2], [$2], [ifelse([$3],[],[$2],[$3])], [$4])
|
|
$1=$ncn_cv_$1
|
|
else
|
|
$1="ifelse([$3],[],[${ncn_tool_prefix}$2],[$3])"
|
|
fi
|
|
else
|
|
$1="$ac_cv_prog_$1"
|
|
fi
|
|
]) []dnl # NCN_STRICT_CHECK_TOOL
|
|
|
|
|
|
####
|
|
# NCN_STRICT_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path])
|
|
# Like NCN_CHECK_TARGET_TOOL, but requires the prefix if build!=target.
|
|
|
|
AC_DEFUN([NCN_STRICT_CHECK_TARGET_TOOL],
|
|
[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl
|
|
if test -n "$ncn_target_tool_prefix"; then
|
|
AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}$2],
|
|
[${ncn_target_tool_prefix}$2], , [$4])
|
|
fi
|
|
if test -z "$ac_cv_prog_$1" ; then
|
|
if test $build = $target ; then
|
|
ncn_cv_$1=$$1
|
|
AC_CHECK_PROG([ncn_cv_$1], [$2], [$2], [ifelse([$3],[],[$2],[$3])], [$4])
|
|
$1=$ncn_cv_$1
|
|
else
|
|
$1="ifelse([$3],[],[${ncn_target_tool_prefix}$2],[$3])"
|
|
fi
|
|
else
|
|
$1="$ac_cv_prog_$1"
|
|
fi
|
|
]) []dnl # NCN_STRICT_CHECK_TARGET_TOOL
|