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#serial 2
dnl Copyright (C) 2007 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Jim Meyering.
# Usage: gl_ADD_PROG([prog_list_var_name], [prog_name])
AC_DEFUN([gl_ADD_PROG],
[{
if test -z "$$1"; then
$1=$2
else
$1="$$1 $2"
fi
}])
# Usage: gl_REMOVE_PROG([prog_list_var_name], [prog_name])
AC_DEFUN([gl_REMOVE_PROG],
[{
$1=`for gl_rem_i in $$1; do
test "$gl_rem_i" = "$2" || echo "$gl_rem_i"
done | tr '\012' ' ' | sed 's/ $//'; echo`
}])
# Given the name of a variable containing a space-separated list of
# install-by-default programs and the list of do-not-install-by-default
# programs, modify the former variable to reflect "no-install" and
# "do-install" requests. The names in the latter list should be comma-
# separated.
#
# Usage: gl_INCLUDE_EXCLUDE_PROG([prog_list_var_name], [no_inst_prog_list])
AC_DEFUN([gl_INCLUDE_EXCLUDE_PROG],
[{
gl_no_install_progs_default=`echo '$2'|sed 's/,/ /g'`
AC_ARG_ENABLE([install-program],
[AS_HELP_STRING([--enable-install-program=PROG_LIST],
[install the programs in PROG_LIST (comma-separated,
default: none)])],
[gl_do_install_prog=$enableval],
[gl_do_install_prog=]
)
# If you want to refrain from installing programs A and B,
# use --enable-no-install-program=A,B
AC_ARG_ENABLE([no-install-program],
[AS_HELP_STRING([--enable-no-install-program=PROG_LIST],
[do NOT install the programs in PROG_LIST
(comma-separated, default: $2)])],
[gl_no_install_prog=$enableval],
[gl_no_install_prog=]
)
# Convert to space separated lists.
gl_do_install_prog=`echo "$gl_do_install_prog"|tr -s , ' '`
gl_no_install_prog=`echo "$gl_no_install_prog"|tr -s , ' '`
# For each not-to-be-installed program name, ensure that it's a
# valid name, remove it from the list of programs to build/install,
# as well as from the list of man pages to install.
for gl_i in $gl_no_install_prog; do
# Fail upon a request to install and not-install the same program.
case " $gl_do_install_prog " in
*" $gl_i "*) AC_MSG_ERROR(['$gl_i' is both included and excluded]) ;;
esac
gl_msg=
# Warn about a request not to install a program that is not being
# built (which may be because the systems lacks a required interface).
case " $$1 " in
*" $gl_i "*) gl_REMOVE_PROG([$1], $gl_i) ;;
*) gl_msg="'$gl_i' is already not being installed" ;;
esac
if test "$gl_msg" = ''; then
# Warn about a request not to install a program that is
# already on the default-no-install list.
case " $gl_no_install_progs_default " in
*" $gl_i "*) gl_msg="by default, '$gl_i' is not installed" ;;
esac
fi
test "$gl_msg" != '' && AC_MSG_WARN([$gl_msg])
done
for gl_i in $gl_do_install_prog; do
case " $gl_no_install_progs_default " in
*" $gl_i "*) gl_ADD_PROG([$1], $gl_i) ;;
*) AC_MSG_WARN(['$gl_i' is not an optionally-installable program]) ;;
esac
done
}])
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