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dnl ============================================================
dnl Force configure to run under /bin/bash
dnl ============================================================
m4_define([AC_ZUBR_REQUIRE_BASH], [dnl
m4_divert_push([M4SH-SANITIZE])dnl
if test ! -x /bin/bash; then
echo "configure: error: /bin/bash is required" >&2
exit 1
fi
CONFIG_SHELL=/bin/bash
export CONFIG_SHELL
m4_divert_pop([M4SH-SANITIZE])dnl
])dnl
dnl ============================================================
dnl Support for Configuration Headers
dnl
dnl configure.ac:
dnl AC_ZUBR_HEADLINE(<short-name>, <long-name>,
dnl <vers-var>, <copyright>)
dnl
dnl NOTE:
dnl ====
dnl See the paragraph 8.3.3 of Autoconf Documentation at:
dnl
dnl https://www.gnu.org/software/autoconf/manual/autoconf.html#Diversion-support
dnl
dnl ============================================================
m4_define([AC_ZUBR_HEADLINE], [dnl
m4_divert_push([M4SH-INIT])dnl
{
if test ".`echo dummy [$]@ | grep help`" = .; then
####### нахождение escape последовательностей для
####### обозначения начала и конца выделяемого текста
####### Use a `Quadrigaph'. '@<:@' gives you [ and '@:>@' gives you ] :
TB=`echo -n -e '\033@<:@1m'`
TN=`echo -n -e '\033@<:@0m'`
####### получение короткого номера версии продукта
####### из AC_INIT()
$3="AC_PACKAGE_VERSION"
AC_SUBST($3)
####### печать заголовка
echo "Configuring:"
echo ""
echo "${TB}$1${TN} ($2), Version ${TB}${$3}${TN}"
echo "$4"
echo ""
fi
}
m4_divert_pop([M4SH-INIT])dnl
])dnl
dnl ============================================================
dnl Display Configuration Headers
dnl
dnl configure.ac:
dnl AC_MSG_CFG_PART(<text>)
dnl ============================================================
AC_DEFUN([AC_MSG_CFG_PART],[dnl
AC_MSG_RESULT()
AC_MSG_RESULT([${TB}$1:${TN}])
])dnl
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