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# ENCAP_PKG([mkencap-options], [install target if enabled],
# [install target if disabled])
# ---------------------------------------------------------
# Check for Encap tools.
AC_DEFUN([ENCAP_PKG], [
MKENCAP_OPTS=$1;
# allow user to disable Encap support
AC_ARG_ENABLE([encap],
[ --disable-encap Do not configure as an Encap package],
[],
[enable_encap=default])
if test "$enable_encap" != "no"; then
# look for epkg and mkencap
AC_PATH_PROG([EPKG], [epkg])
AC_PATH_PROG([MKENCAP], [mkencap])
# enable by default if epkg or mkencap are found
if test "${EPKG:+set}" = "set" || test "${MKENCAP:+set}" = "set" && test "$enable_encap" = "default"; then
enable_encap=yes;
fi
fi
if test "$enable_encap" = "yes"; then
# generate fallback values for ${ENCAP_SOURCE} and ${ENCAP_TARGET}
# from the environment or the default prefix
if test -z "${ENCAP_SOURCE}" && test -z "${ENCAP_TARGET}"; then
ENCAP_SOURCE="${ac_default_prefix}/encap";
ENCAP_TARGET="${ac_default_prefix}";
elif test -z "${ENCAP_TARGET}"; then
ENCAP_TARGET="`dirname ${ENCAP_SOURCE}`";
elif test -z "${ENCAP_SOURCE}"; then
ENCAP_SOURCE="${ENCAP_TARGET}/encap";
fi
# if --prefix is specified:
# 1) if its next-to-last component is "encap", assume that it
# points to the package directory
# 2) otherwise, assume it points to the target directory
if test "${prefix}" != "NONE"; then
prefixdir="`dirname ${prefix}`";
prefixbase="`basename ${prefix}`";
if test "`basename ${prefixdir}`" = "encap"; then
ENCAP_SOURCE="${prefixdir}";
ENCAP_TARGET="`dirname ${ENCAP_SOURCE}`";
elif test "${prefixdir}" != "${ENCAP_SOURCE}"; then
ENCAP_SOURCE="${prefix}/encap";
ENCAP_TARGET="${prefix}";
fi
if ( test "`basename ${prefixdir}`" = "encap" || \
test "${prefixdir}" = "${ENCAP_SOURCE}" ) && \
test "${prefixbase}" != "${PACKAGE_NAME}-${PACKAGE_VERSION}"; then
ENCAP_PKGSPEC="${prefixbase}";
fi
fi
# display results
AC_MSG_CHECKING([for Encap source directory])
AC_MSG_RESULT([${ENCAP_SOURCE}])
AC_MSG_CHECKING([for Encap target directory])
AC_MSG_RESULT([${ENCAP_TARGET}])
AC_MSG_CHECKING([for Encap package directory])
if test "${ENCAP_PKGSPEC:-unset}" = "unset"; then
ENCAP_PKGSPEC='${PACKAGE_NAME}-${PACKAGE_VERSION}';
AC_MSG_RESULT([${ENCAP_SOURCE}/${PACKAGE_NAME}-${PACKAGE_VERSION}])
else
AC_MSG_RESULT([${ENCAP_SOURCE}/${ENCAP_PKGSPEC}])
fi
prefix='${ENCAP_SOURCE}/${ENCAP_PKGSPEC}';
# override default sysconfdir and localstatedir
if test "$sysconfdir" = '${prefix}/etc'; then
sysconfdir='${ENCAP_TARGET}/etc';
fi
if test "$localstatedir" = '${prefix}/var'; then
localstatedir='/var/lib/${PACKAGE_NAME}';
fi
# check for --disable-epkg-install
AC_ARG_ENABLE([epkg-install],
[ --disable-epkg-install Do not run epkg during make install],
[],
[enable_epkg_install=yes])
if test "$enable_epkg_install" = "no"; then
EPKG=":";
fi
# generate Makefile variables
dnl AC_SUBST([ENCAP_SOURCE])
dnl AC_SUBST([ENCAP_TARGET])
dnl AC_SUBST([ENCAP_PKGSPEC])
dnl AC_SUBST([EPKG])
dnl AC_SUBST([MKENCAP])
dnl AC_SUBST([MKENCAP_OPTS])
dnl
dnl m4_ifdef([EM_MAKEFILE_END], [
dnl # generate rules for make install target
dnl EM_MAKEFILE_END([[
dnl target modify <install>:
dnl command \\\${MKENCAP} \\\`test -f \\\${srcdir}/COPYRIGHT && echo -I \\\${srcdir}/COPYRIGHT\\\` \\\${MKENCAP_OPTS} -s \\\${DESTDIR}\\\${ENCAP_SOURCE} -e \\\${ENCAP_PKGSPEC}
dnl command if test -z \\\\\"\\\${DESTDIR}\\\\\"; then \
dnl \\\${EPKG} -s \\\${ENCAP_SOURCE} -t \\\${ENCAP_TARGET} \\\${ENCAP_PKGSPEC}; \
dnl fi
dnl ]])])
ENCAP_DEFS="ENCAP_SOURCE = ${ENCAP_SOURCE}\\
ENCAP_TARGET = ${ENCAP_TARGET}\\
ENCAP_PKGSPEC = ${ENCAP_PKGSPEC}\\
EPKG = ${EPKG:-:}\\
MKENCAP = ${MKENCAP:-:}\\
MKENCAP_OPTS = ${MKENCAP_OPTS}";
AC_SUBST([ENCAP_DEFS])
dnl ### generate rules for make install target
ENCAP_INSTALL_RULES='if test -f ${top_srcdir}/COPYRIGHT; then \\\
${INSTALL_DATA} ${top_srcdir}/COPYRIGHT ${ENCAP_SOURCE}/${ENCAP_PKGSPEC}; \\\
fi\
${MKENCAP} ${MKENCAP_OPTS} -s ${DESTDIR}${ENCAP_SOURCE} -e ${ENCAP_PKGSPEC};\
if test -z \"${DESTDIR}\"; then \\\
${EPKG} -s ${ENCAP_SOURCE} -t ${ENCAP_TARGET} ${ENCAP_PKGSPEC}; \\\
fi';
AC_SUBST([ENCAP_INSTALL_RULES])
ENCAP_INSTALL_TARGET=$2
else
ENCAP_INSTALL_TARGET=$3
fi
AC_SUBST([ENCAP_INSTALL_TARGET])
])
|
