configure.ac

dnl @configure_input@
dnl

AC_PREREQ([2.68])
AC_INIT([Vicare/CityHash],[0.4d1],[marco.maggi-ipsu@poste.it],
  [vicare-cityhash],[http://marcomaggi.github.com/vicare.html])
AC_CONFIG_SRCDIR([src])
AC_CONFIG_MACRO_DIR([meta/autotools])
AC_CONFIG_AUX_DIR([meta/autotools])
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE([foreign subdir-objects dist-xz no-dist-gzip])
AM_MAINTAINER_MODE

AC_PROG_CC
AC_PROG_CC_C_O
AC_PROG_CXX
AC_PROG_CXX_C_O
AM_PROG_AR
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_MKDIR_P
LT_PREREQ([2.4])
LT_INIT([shared disable-static])

VICARE_SCHEME
VICARE_CHECK_LIBRARY([VICARE],[(vicare (0 4 2017 1 (>= 10)))])
AS_IF([test "$vicare_cv_schemelib_VICARE" = no],
  [AC_MSG_ERROR([wrong Vicare version],1)])

# Command  line  options  for  the executable  "vicare".   The  variable
# AX_VFLAGS is  for options preselected by  the building infrastructure.
# The variable VFLAGS  is for user options selected on  the command line
# of "configure" and "make", for example:
#
#    $ make VFLAGS="-g --print-loaded-libraries"
#
AS_VAR_SET(AX_VFLAGS,["-O2 --verbose"])
AS_VAR_SET_IF(VFLAGS,,[AS_VAR_SET(VFLAGS)])

VICARE_OPTION_DEBUGGING_MODE
dnl VICARE_OPTION_NAUSICAA([check])
dnl AM_CONDITIONAL([WANT_NAUSICAA],[test x$vicare_with_nausicaa = xyes])

AM_CONDITIONAL([WANT_VICARE_DEBUG],[test x$VICARE_DEBUG = xyes])
AM_COND_IF([WANT_VICARE_DEBUG],[AS_VAR_SET(VFLAGS,"$VFLAGS -g")])

VICARE_ENABLE_OPTION([INSTALL_SOURCES],[sources-installation],[no],
  [whether to install source Scheme libraries],
  [enable installation of source Scheme libraries])
AM_CONDITIONAL([WANT_INSTALL_SOURCES],
  [test "x$vicare_enable_INSTALL_SOURCES" = xyes])

AC_LANG([C])
AC_DEFINE([_GNU_SOURCE],[1],[enable everything GNU])

VICARE_ENABLE_OPTION([TIME_TESTS],[time-tests],[no],
  [whether to enable timing of tests],
  [enable timing of tests])
AM_CONDITIONAL([WANT_TIME_TESTS],[test "x$vicare_enable_TIME_TESTS" = xyes])

AM_COND_IF([WANT_TIME_TESTS],
  [AC_PATH_PROG([TIME_PROGRAM],[time])])

AC_LANG([C])
AC_DEFINE([_GNU_SOURCE],[1],[enable everything GNU])

AC_LANG([C])
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T

#page
#### cityhash configuration

AC_LANG_PUSH([C++])

AC_CHECK_HEADERS([city.h],,
  [AC_MSG_FAILURE([missing city.h header],[2])])
AC_CHECK_HEADERS([citycrc.h],,
  [AC_MSG_WARN([missing citycrc.h header])])
AC_CHECK_LIB([cityhash],[main],,
  [AC_MSG_FAILURE([missing Cityhash library],[2])])

AC_LANG_POP([C++])

VICARE_EXTENSION_LIBRARY_VERSION([cityhash],[0],[0],[0])

#page
#### constants and functions

m4_define([VICARE_INCLUDES],[
AC_INCLUDES_DEFAULT
#ifdef HAVE_VICARE_H
#  include <vicare.h>
#endif
#ifdef HAVE_CITY_H
#  include <city.h>
#endif
#ifdef HAVE_CITYCRC_H
#  include <citycrc.h>
#endif
])

dnl These are in the Cityhash C++ library.
VICARE_CHECK_CPP_FUNC([CityHash64],
  [const char buf = 1;
   CityHash64(&buf, 1);],
  [VICARE_INCLUDES])

VICARE_CHECK_CPP_FUNC([CityHash64WithSeed],
  [const char buf = 1;
   CityHash64WithSeed(&buf,1,1);],
  [VICARE_INCLUDES])

VICARE_CHECK_CPP_FUNC([CityHash64WithSeeds],
  [const char buf = 1;
   CityHash64WithSeeds(&buf,1,1,1);],
  [VICARE_INCLUDES])

VICARE_CHECK_CPP_FUNC([CityHash128],
  [const char buf = 1;
   CityHash128(&buf, 1);],
  [VICARE_INCLUDES])

VICARE_CHECK_CPP_FUNC([CityHash128WithSeed],
  [const char buf = 1;
   uint128 seed(1, 2);
   CityHash128WithSeed(&buf,1,seed);],
  [VICARE_INCLUDES])

VICARE_CHECK_CPP_FUNC([Hash128to64],
  [uint128 hash(1, 2);
   Hash128to64(hash);],
  [VICARE_INCLUDES])

dnl These are in the C language adapter library
dnl AC_CHECK_FUNCS([cch_cityhash64 cch_cityhash64_with_seed cch_cityhash64_with_seeds])
dnl AC_CHECK_FUNCS([cch_cityhash128 cch_cityhash128_with_seed cch_hash128to64])

#page
#### finish

VICARE_OUTPUT
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

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