#                                               -*- Autoconf -*-

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

AC_PREREQ([2.67])

AC_INIT([marisa], [0.2.4], [syata@acm.org])

AC_CONFIG_SRCDIR([lib/marisa.h])

AM_INIT_AUTOMAKE

# Checks for programs.

LT_INIT

AC_PROG_CXX

AC_PROG_INSTALL

AC_CONFIG_MACRO_DIR([m4])

# Checks for SSE availability.

AC_MSG_CHECKING([whether to use SSE2])

AC_ARG_ENABLE([sse2],

              [AS_HELP_STRING([--enable-sse2],

                              [use SSE2 [default=no]])],

              [],

              [enable_sse2="no"])

AS_IF([test "x${enable_sse2}" != "xno"], [

  enable_sse2="yes"

])

AC_MSG_RESULT([${enable_sse2}])

AC_MSG_CHECKING([whether to use SSE3])

AC_ARG_ENABLE([sse3],

              [AS_HELP_STRING([--enable-sse3],

                              [use SSE3 [default=no]])],

              [],

              [enable_sse3="no"])

AS_IF([test "x${enable_sse3}" != "xno"], [

  enable_sse3="yes"

])

AC_MSG_RESULT([${enable_sse3}])

AC_MSG_CHECKING([whether to use SSSE3])

AC_ARG_ENABLE([ssse3],

              [AS_HELP_STRING([--enable-ssse3],

                              [use SSSE3 [default=no]])],

              [],

              [enable_ssse3="no"])

AS_IF([test "x${enable_ssse3}" != "xno"], [

  enable_ssse3="yes"

])

AC_MSG_RESULT([${enable_ssse3}])

AC_MSG_CHECKING([whether to use SSE4.1])

AC_ARG_ENABLE([sse4.1],

              [AS_HELP_STRING([--enable-sse4.1],

                              [use SSE4.1 [default=no]])],

              [],

              [enable_sse4_1="no"])

AS_IF([test "x${enable_sse4_1}" != "xno"], [

  enable_sse4_1="yes"

])

AC_MSG_RESULT([${enable_sse4_1}])

AC_MSG_CHECKING([whether to use SSE4.2])

AC_ARG_ENABLE([sse4.2],

              [AS_HELP_STRING([--enable-sse4.2],

                              [use SSE4.2 [default=no]])],

              [],

              [enable_sse4_2="no"])

AS_IF([test "x${enable_sse4_2}" != "xno"], [

  enable_sse4_2="yes"

])

AC_MSG_RESULT([${enable_sse4_2}])

AC_MSG_CHECKING([whether to use SSE4])

AC_ARG_ENABLE([sse4],

              [AS_HELP_STRING([--enable-sse4],

                              [use SSE4 [default=no]])],

              [],

              [enable_sse4="no"])

AS_IF([test "x${enable_sse4}" != "xno"], [

  enable_sse4="yes"

])

AC_MSG_RESULT([${enable_sse4}])

AC_MSG_CHECKING([whether to use SSE4a])

AC_ARG_ENABLE([sse4a],

              [AS_HELP_STRING([--enable-sse4a],

                              [use SSE4a [default=no]])],

              [],

              [enable_sse4a="no"])

AS_IF([test "x${enable_sse4a}" != "xno"], [

  enable_sse4a="yes"

])

AC_MSG_RESULT([${enable_sse4a}])

AC_MSG_CHECKING([whether to use popcnt])

AC_ARG_ENABLE([popcnt],

              [AS_HELP_STRING([--enable-popcnt],

                              [use POPCNT [default=no]])],

              [],

              [enable_popcnt="no"])

AS_IF([test "x${enable_popcnt}" != "xno"], [

  enable_popcnt="yes"

])

AC_MSG_RESULT([${enable_popcnt}])

AS_IF([test "x${enable_popcnt}" != "xno"], [

  enable_sse3="yes"

])

AS_IF([test "x${enable_sse4a}" != "xno"], [

  enable_popcnt="yes"

  enable_sse3="yes"

])

AS_IF([test "x${enable_sse4}" != "xno"], [

  enable_popcnt="yes"

  enable_sse4_2="yes"

])

AS_IF([test "x${enable_sse4_2}" != "xno"], [

  enable_popcnt="yes"

  enable_sse4_1="yes"

])

AS_IF([test "x${enable_sse4_1}" != "xno"], [

  enable_ssse3="yes"

])

AS_IF([test "x${enable_ssse3}" != "xno"], [

  enable_sse3="yes"

])

AS_IF([test "x${enable_sse3}" != "xno"], [

  enable_sse2="yes"

])

AS_IF([test "x${enable_popcnt}" != "xno"], [

  CXXFLAGS="$CXXFLAGS -DMARISA_USE_POPCNT -mpopcnt"

])

if test "x${enable_sse4a}" != "xno"; then

  CXXFLAGS="$CXXFLAGS -DMARISA_USE_SSE4A -msse4a"

elif test "x${enable_sse4}" != "xno"; then

  CXXFLAGS="$CXXFLAGS -DMARISA_USE_SSE4 -msse4"

elif test "x${enable_sse4_2}" != "xno"; then

  CXXFLAGS="$CXXFLAGS -DMARISA_USE_SSE4_2 -msse4.2"

elif test "x${enable_sse4_1}" != "xno"; then

  CXXFLAGS="$CXXFLAGS -DMARISA_USE_SSE4_1 -msse4.1"

elif test "x${enable_ssse3}" != "xno"; then

  CXXFLAGS="$CXXFLAGS -DMARISA_USE_SSSE3 -mssse3"

elif test "x${enable_sse3}" != "xno"; then

  CXXFLAGS="$CXXFLAGS -DMARISA_USE_SSE3 -msse3"

elif test "x${enable_sse2}" != "xno"; then

  CXXFLAGS="$CXXFLAGS -DMARISA_USE_SSE2 -msse2"

fi

AC_CONFIG_FILES([Makefile

                 marisa.pc

                 lib/Makefile

                 tests/Makefile

                 tools/Makefile])

AC_OUTPUT

AS_ECHO([])

AS_ECHO(["${PACKAGE_NAME} ${PACKAGE_VERSION} configuration:"])

AS_ECHO(["-------------------------------"])

AS_ECHO(["  HOST:      ${host}"])

AS_ECHO(["  CXX:       ${CXX}"])

AS_ECHO(["  CXXFLAGS:  ${CXXFLAGS}"])

AS_ECHO(["  LDFLAGS:   ${LDFLAGS}"])

AS_ECHO(["  PREFIX:    ${prefix}"])

AS_ECHO([])

AS_ECHO(["  SSE2:      ${enable_sse2}"])

AS_ECHO(["  SSE3:      ${enable_sse3}"])

AS_ECHO(["  SSSE3:     ${enable_ssse3}"])

AS_ECHO(["  SSE4.1:    ${enable_sse4_1}"])

AS_ECHO(["  SSE4.2:    ${enable_sse4_2}"])

AS_ECHO(["  SSE4a:     ${enable_sse4a}"])

AS_ECHO(["  POPCNT:    ${enable_popcnt}"])

AS_ECHO([])