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configure.ac
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configure.ac
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AC_PREREQ(2.61)
AC_INIT(pimd, 3.0-beta1, https://github.com/troglobit/pimd/issues, , https://troglobit.com/projects/pimd)
AM_INIT_AUTOMAKE([1.11 foreign])
AM_SILENT_RULES([yes])
AC_CONFIG_SRCDIR([src/main.c])
AC_CONFIG_HEADER([config.h])
AC_CONFIG_FILES([Makefile src/Makefile include/Makefile man/Makefile pimd.service])
# Check for standard programs, headers, and functions
AC_PROG_CC
AC_PROG_INSTALL
# Required to check for libsystemd-dev
PKG_PROG_PKG_CONFIG
AC_HEADER_STDC
AC_CHECK_HEADERS([fcntl.h ifaddrs.h netinet/pim.h net/if_dl.h sys/time.h linux/netlink.h termios.h])
AC_CHECK_HEADERS([net/if.h], [], [], [
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# ifdef HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif])
# Check if some func is not in libc
AC_CHECK_LIB([util], [pidfile])
# Check for required functions in libc
AC_CHECK_FUNCS([atexit getifaddrs if_nametoindex])
# Check for usually missing API's, which we can replace
AC_REPLACE_FUNCS([pidfile strlcpy strlcat strtonum utimensat])
AC_CONFIG_LIBOBJ_DIR([lib])
# Register kernel encapsulation. Your kernel must support registers
# kernel encapsulation to be able to use it.
AC_ARG_ENABLE(kernel_encap,
AS_HELP_STRING([--enable-kernel-encap], [Specialized kernels do PIM Register encapsulation
by themselves, speeding up processing considerably.
Not on Linux/*BSD, needs pimkern-PATCH_6]),,
enable_kernel_encap=no)
# (*,G) kernel MFC support. Use it ONLY with (*,G) capable kernel
AC_ARG_ENABLE(kernel_mfc,
AS_HELP_STRING([--enable-kernel-mfc], [Specialized kernels may have (*,G) MFC support.
Not on Linux/*BSD, needs pimkern-PATCH_7]),,
enable_kernel_mfc=no)
# Saves 4 bytes per unconfigured interface per routing entry. If set,
# configuring such interface will restart the daemon and will flush
# the routing table.
AC_ARG_ENABLE(memory_save,
AS_HELP_STRING([--enable-memory-save], [Save 4 bytes/unconfigured interface/routing entry.
Must restart pimd and cause routing table to be flushed when configuring
new interfaces.]),,
enable_memory_save=no)
AC_ARG_ENABLE(rsrr,
AS_HELP_STRING([--enable-rsrr], [Routing Support for Resource Reservation
currently used by RSVP (EXPERIMENTAL). For details, see
http://tools.ietf.org/html/draft-ietf-rsvp-routing-02]),,
enable_rsrr=no)
AC_ARG_ENABLE(exit_on_error,
AS_HELP_STRING([--disable-exit-on-error], [Do not exit on error messages (LOG_ERR)]),,
enable_exit_on_error=yes)
AC_ARG_WITH(max_vifs,
AS_HELP_STRING([--with-max-vifs=NUM], [Kernel maximum number of allowed VIFs, default: 32.
This must match the kernel built-in MAXVIFS value!
Usually, multiple routing tables is what you want.]),
[max_vifs=$withval], [max_vifs=yes])
AC_ARG_WITH([systemd],
[AS_HELP_STRING([--with-systemd=DIR], [Directory for systemd service files])],,
[with_systemd=auto])
# Create config.h from selected features and fallback defautls
AS_IF([test "x$enable_kernel_encap" = "xyes"], [
AC_DEFINE(PIM_REG_KERNEL_ENCAP, 1, [Use kernel accelerated PIM register encap/decapsulation.])])
AS_IF([test "x$enable_kernel_mfc" = "xyes"], [
AC_DEFINE(KERNEL_MFC_WC_G, 1, [Use kernel (*,G) MFC support.])])
AS_IF([test "x$enable_memory_save" = "xyes"], [
AC_DEFINE(SAVE_MEMORY, 1, [Save 4 bytes/unconfigured interface/routing entry.])])
AS_IF([test "x$enable_rsrr" = "xyes"], [
AC_DEFINE(RSRR, 1, [Routing Support for Resource Reservation.])])
AS_IF([test "x$enable_exit_on_error" = "xno"], [
AC_DEFINE(CONTINUE_ON_ERROR, 1, [Do not exit on error messages (LOG_ERR).])])
AS_IF([test "x$with_max_vifs" != "xno" -a "x$max_vifs" != "xyes"], [
AC_DEFINE_UNQUOTED(CUSTOM_MAX_VIFS, $max_vifs, [Custom MAX VIFs in kernel.])], [
max_vifs=32])
AS_IF([test "x$with_systemd" = "xyes" -o "x$with_systemd" = "xauto"], [
def_systemd=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
AS_IF([test "x$def_systemd" = "x"],
[AS_IF([test "x$with_systemd" = "xyes"],
[AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
with_systemd=no], [with_systemd="$def_systemd"])]
)
AS_IF([test "x$with_systemd" != "xno"],
[AC_SUBST([systemddir], [$with_systemd])])
AM_CONDITIONAL(BSD, [test "x$ac_cv_header_net_if_dl_h" = "xyes"])
AM_CONDITIONAL(LINUX, [test "x$ac_cv_header_linux_netlink_h" = "xyes"])
AM_CONDITIONAL(RSRR, [test "x$enable_rsrr" = "xyes"])
AM_CONDITIONAL(SYSTEMD, [test "x$with_systemd" != "xno"])
# Expand $sbindir early, into $SBINDIR, for systemd unit file
# NOTE: This does *not* take prefix/exec_prefix override at "make
# install" into account, unfortunately.
test "x$prefix" = xNONE && prefix=$ac_default_prefix
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
DOCDIR=`eval echo $docdir`
DOCDIR=`eval echo $DOCDIR`
AC_SUBST(DOCDIR)
SYSCONFDIR=`eval echo $sysconfdir`
SYSCONFDIR=`eval echo $SYSCONFDIR`
AC_SUBST(SYSCONFDIR)
SBINDIR=`eval echo $sbindir`
SBINDIR=`eval echo $SBINDIR`
AC_SUBST(SBINDIR)
# Generate all files
AC_OUTPUT
cat <<EOF
------------------ Summary ------------------
$PACKAGE_NAME version $PACKAGE_VERSION
Prefix................: $prefix
Sysconfdir............: `eval echo $sysconfdir`
Localstatedir.........: `eval echo $localstatedir`
C Compiler............: $CC $CFLAGS $CPPFLAGS $LDFLAGS $LIBS
Optional features:
Kernel register encap.: $enable_kernel_encap
Kernel (*,G) support..: $enable_kernel_mfc
Kernel MAX VIFs.......: $max_vifs
Memory save...........: $enable_memory_save
RSRR (experimental)...: $enable_rsrr
Exit on error.........: $enable_exit_on_error
systemd...............: $with_systemd
------------- Compiler version --------------
$($CC --version || true)
---------------------------------------------
Check the above options and compile with:
${MAKE-make}
EOF