dnl Process this file with autoconf to produce a configure script.
AC_INIT(statistics/jtest.c)
AM_INIT_AUTOMAKE(gsl, 0.3b)
AM_CONFIG_HEADER(config.h)

dnl things required by automake
AC_ARG_PROGRAM
AC_PROG_MAKE_SET

dnl Check for which system.
AC_CANONICAL_HOST

dnl Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_RANLIB

dnl some magic to get a full path to the working directory
full_top_srcdir=`cd $srcdir; pwd`
full_top_builddir=`pwd`
echo srcdir is $srcdir
echo full_top_srcdir is $full_top_srcdir
echo full_top_builddir is $full_top_builddir
AC_SUBST(full_top_srcdir)
AC_SUBST(full_top_builddir)

dnl Checks for header files.

dnl Checks for typedefs, structures, and compiler characteristics.

dnl Checks for library functions.
dnl Replace `main' with a function in -lm:
AC_CHECK_LIB(m, main)
AC_CHECK_FUNCS(isinf)
AC_FUNC_ALLOCA
AC_FUNC_VPRINTF
dnl strcasecmp, strerror, xmalloc, xrealloc, probably others should be added.
AC_REPLACE_FUNCS(memcpy memmove strdup strerror)


AC_CHECK_FUNCS(clock)

AC_CACHE_CHECK(for CLOCKS_PER_SEC,
ac_cv_decl_clocks_per_sec,
AC_EGREP_CPP(yes,
[
#include <time.h>
#ifdef CLOCKS_PER_SEC
yes
#endif
], 
ac_cv_decl_clocks_per_sec=yes,
ac_cv_decl_clocks_per_sec=no)
)

if test "$ac_cv_decl_clocks_per_sec" = yes ; then
  AC_DEFINE(HAVE_CLOCKS_PER_SEC)
else
AC_MSG_CHECKING(whether CLOCKS_PER_SEC is known for $host_os)
  case "$host" in
    *-*-sunos4.*) 
        AC_DEFINE(HAVE_GUESSED_CLOCKS_PER_SEC,1000000)
	AC_MSG_RESULT([yes (microseconds)]) 
        ;;
    *) 
        AC_DEFINE(HAVE_GUESSED_CLOCKS_PER_SEC,1000000)
        AC_MSG_RESULT([no, assuming microseconds]) 
        ;;
  esac
fi

AC_CHECK_FUNCS(rand)

AC_CACHE_CHECK(for RAND_MAX,
ac_cv_decl_rand_max,
AC_EGREP_CPP(yes,
[
#include <stdlib.h>
#include <math.h>
#ifdef RAND_MAX
yes
#endif
],
ac_cv_decl_rand_max=yes,
ac_cv_decl_rand_max=no)
)

if test "$ac_cv_decl_rand_max" = yes ; then
  AC_DEFINE(HAVE_RAND_MAX)
else
AC_MSG_CHECKING(whether RAND_MAX is known for $host_os)
  case "$host" in
    *-*-sunos4.*) 
        AC_DEFINE(HAVE_GUESSED_RAND_MAX,2147483647)
	AC_MSG_RESULT([yes (2^{31}-1)]) 
        ;;
    *) 
        AC_DEFINE(HAVE_GUESSED_RAND_MAX,32767)
        AC_MSG_RESULT([no, assuming 32767]) 
        ;;
  esac
fi


AC_CACHE_CHECK(for EXIT_SUCCESS and EXIT_FAILURE,
ac_cv_decl_exit_success_and_failure,
AC_EGREP_CPP(yes,
[
#include <stdlib.h>
#ifdef EXIT_SUCCESS
yes
#endif
], 
ac_cv_decl_exit_success_and_failure=yes,
ac_cv_decl_exit_success_and_failure=no)
)

if test "$ac_cv_decl_clocks_per_sec" = yes ; then
  AC_DEFINE(HAVE_EXIT_SUCCESS_AND_FAILURE)
fi ;



AC_OUTPUT(err/Makefile fft/Makefile specfunc/Makefile statistics/Makefile roots/Makefile random/Makefile randist/Makefile siman/Makefile integration/Makefile doc/Makefile utils/Makefile Makefile)