configure.ac

#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ([2.69])
AC_INIT([mtcp], [3], [mtcp-user@list.ndsl.kaist.edu])
AC_CONFIG_SRCDIR([mtcp/src/eventpoll.c])
AC_CONFIG_HEADERS([config.h])

# Checks for programs.
AC_PROG_CC
AC_PROG_RANLIB
AC_LANG(C)
AC_DISABLE_OPTION_CHECKING

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([linux/sched.h pthread.h numa.h arpa/inet.h fcntl.h limits.h netdb.h netinet/in.h stdint.h stdlib.h string.h sys/ioctl.h sys/socket.h sys/time.h unistd.h])

# Check for AC_PTHREAD [FC is preventing this to be enabled..]
#AX_PTHREAD( [
#            AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
#            CLIBS="$PTHREAD_LIBS $LIBS"
#            CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
#            LDFLAGS="$LDFLAGS $PTHREAD_CFLAGS"
#            CC="$PTHREAD_CC"],[])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_INT8_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T

# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_MMAP
AC_CHECK_FUNCS([bzero clock_gettime getpagesize gettimeofday memmove memset munmap select socket strchr strerror strstr strtol])

# Reset DPDK to 0
AC_SUBST(DPDK, 0)
# Reset DPDK's LRO to 0
AC_SUBST(LRO, 0)
# Reset PSIO to 0
AC_SUBST(PSIO, 0)
# Reset NETMAP to 0
AC_SUBST(NETMAP, 0)
# Reset HWCSUM to 1
AC_SUBST(HWCSUM, 1)
# Reset UCTX to 1
AC_SUBST(UCTX, 1)
# Reset VFIO to 0
AC_SUBST(VFIO, 0)
# Reset LOGGER to 0
AC_SUBST(LOGGER, 0)
# Reset APP_INTERRUPT to 0
AC_SUBST(APP_INTERRUPT, 0)
# Reset NFP to 0
AC_SUBST(NFP, 0)

# Check dpdk-17.08 path (lib & inc)
AC_ARG_WITH(stuff, [  --with-dpdk-lib      path to the dpdk-17.08 install root])
if test "$with_dpdk_lib" != ""
then
        AC_SUBST(DPDKLIBPATH, $with_dpdk_lib)
	AC_SUBST(DPDK, 1)
	AM_CONDITIONAL([DPDK], [test x$DPDK = x1])
fi
dnl Example of default-disabled feature
AC_ARG_ENABLE([lro],
	AS_HELP_STRING([--enable-lro], [Enable dpdk lro (for relevant NICs)]))

if test "$with_dpdk_lib" != ""
then
	if test "x$enable_lro" = "xyes"
	then
		AC_SUBST(LRO, 1)
	fi
fi

dnl Example of default-enabled feature
AC_ARG_ENABLE([hwcsum],
	AS_HELP_STRING([--disable-hwcsum], [Disable h/w-based checksum offloading (for relevant NICs)]))

if test "x$enable_hwcsum" = "xno"
then
	AC_SUBST(HWCSUM, 0)
fi

#AC_ARG_ENABLE([uctx],
#	AS_HELP_STRING([--enable-uctx], [Enable dpdk uctx (for relevant NICs)]))

#if test "$with_dpdk_lib" != ""
#then
#	if test "x$enable_uctx" = "xyes"
#	then
#		AC_SUBST(UCTX, 1)
#	fi
#fi

#AC_ARG_ENABLE([vfio],
#	AS_HELP_STRING([--enable-vfio], [Enable DPDK VFIO for Netronome Agilio (NFP-6xxx) NICs)]))

#if test "$with_dpdk_lib" != ""
#then
#	if test "x$enable_vfio" = "xyes"
#	then
#		AC_SUBST(VFIO, 1)
#	fi
#fi

#AC_ARG_ENABLE([per_core],
#	AS_HELP_STRING([--enable-percore], [Enable dpdk per core (for relevant NICs)]))

#if test "$with_dpdk_lib" != ""
#then
#	if test "x$enable_percore" = "xyes"
#	then
#		AC_SUBST(PER_CORE, 1)
#	fi
#fi

AC_ARG_ENABLE([logger],
	AS_HELP_STRING([--enable-logger], [Enable logger thread]))

if test "x$enable_logger" = "xyes"
then
	AC_SUBST(LOGGER, 1)
fi

AC_ARG_ENABLE([app_interrupt],
	AS_HELP_STRING([--enable-app-interrupt], [Enable interrupting application context]))

if test "x$enable_uctx" = "xyes"
then
	if test "x$enable_app_interrupt" = "xyes"
	then
		AC_SUBST(APP_INTERRUPT, 1)
	fi
fi

AC_ARG_ENABLE([nfp],
	AS_HELP_STRING([--enable-nfp], [Use Netronome Agilio NICs (e.g., NFP-6xxx)]))

if test "$with_dpdk_lib" != ""
then
	if test "x$enable_nfp" = "xyes"
	then
		AC_SUBST(VFIO, 1)
		AC_SUBST(HWCSUM, 0)
		AC_SUBST(NFP, 1)		
	fi
fi

# Check psio path (lib & inc)
#AC_ARG_WITH(stuff, [  --with-psio-lib      path to the ioengine install root])
#if test "$with_psio_lib" != ""
#then
#        AC_SUBST(PSLIBPATH, $with_psio_lib)
#	AC_SUBST(PSIO, 1)
#fi

dnl Example of default-disabled feature
#AC_ARG_ENABLE([netmap],
#	AS_HELP_STRING([--enable-netmap], [Enable netmap module]))

#AS_IF([test "x$enable_netmap" = "xyes"], [
#	    AC_SUBST(NETMAP, 1)
#])

if test "$with_dpdk_lib" == ""
then
	#AC_MSG_ERROR([Packet I/O library is missing. Please set either dpdk or psio or netmap as your I/O lib.])
	AC_MSG_ERROR([Please set the path to your dpdk lib (./configure --with-dpdk-lib=[path_to_dpdk]).])	
fi

AM_INIT_AUTOMAKE(mtcp, 3)
AC_CONFIG_FILES([Makefile])
AC_OUTPUT(mtcp/src/Makefile)
AC_OUTPUT(apps/example/Makefile)
AC_OUTPUT(apps/epproxy/Makefile)
#AC_OUTPUT(io_engine/lib/Makefile)