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

AC_INIT([minc],[2.1.10],[a.janke@gmail.com])

AC_CONFIG_SRCDIR([libsrc2/minc2.h])
AC_CONFIG_AUX_DIR(ac_config_aux)
AM_INIT_AUTOMAKE
AC_CONFIG_HEADERS([config.h])

AC_REVISION($Revision: 6.45 $)

AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET

AM_PROG_CC_C_O
AC_PROG_F77
AM_PROG_LEX
AC_PROG_YACC

AC_HEADER_TIME
AC_HEADER_DIRENT
AC_CHECK_HEADERS(sys/time.h sys/stat.h sys/wait.h unistd.h)
AC_CHECK_HEADERS(fcntl.h pwd.h float.h values.h)

AC_CHECK_TYPES([int32_t, int16_t])
# dnl Build only static libs by default
# AC_DISABLE_SHARED
AC_PROG_LIBTOOL

AC_PATH_PROGS(POD2MAN, pod2man)
AM_CONDITIONAL(BUILD_POD_DOC, test "x$POD2MAN" != "x" )
if test "x$POD2MAN" = "x"; then
   AC_MSG_WARN([pod2man not installed, unable to build all manual pages])
fi
AC_SUBST(POD2MAN)

smr_WITH_BUILD_PATH

# Check for required C libraries
mni_REQUIRE_LIB(m,[#include <math.h>],[double x = sqrt(3.);])
mni_REQUIRE_LIB(netcdf,[#include <netcdf.h>],[int i = ncopen("",0);])
AC_ARG_ENABLE(disminc2,
    [  --disable-minc2         disable HDF5 (MINC 2) functionality],
    [ case "${disableval}" in
      yes) disminc2=true ;;
      no)  disminc2=false ;;
      *) AC_MSG_ERROR(bad value ${disableval} for --disable-minc2) ;;
      esac],
    [disminc2=false])
AM_CONDITIONAL(MINC2, test x$disminc2 = xfalse)

# force certain HDF5 function calls to the 1.8.x versions
AC_DEFINE_UNQUOTED([H5Acreate_vers],[2],[Force the 1.8.x version])

if test x$disminc2 = xfalse; then
mni_REQUIRE_LIB(z, [#include <zlib.h>],[compress2;])
mni_REQUIRE_LIB(hdf5,[#include <hdf5.h>],[int f = H5Fopen("",0,H5P_DEFAULT);])
AC_DEFINE_UNQUOTED([MINC2],[1],[Define if MINC 2.0 is enabled.])
else
AC_DEFINE_UNQUOTED([MINC2],[0],[Define if MINC 2.0 is enabled.])
fi

dnl Replacement implementations for systems that lack the function.

dnl need ac 2.57 for this? AC_CONFIG_LIBOBJ_DIR(libsrc)
AC_REPLACE_FUNCS(strdup)

dnl Verify existence of mkstemp, tempnam, and tmpnam
AC_CHECK_FUNCS(mkstemp tempnam tmpnam)

dnl Verify existence of some functions we'd like to use
AC_CHECK_FUNCS(getpwnam select strerror sysconf)

# Functions required for execute_decompress_command().
AC_FUNC_FORK
AC_CHECK_FUNCS(system popen)

# Code to enable conditional build of ACR/NEMA tools

AC_ARG_ENABLE(acr-nema,
    [  --enable-acr-nema       install ACR/NEMA tools],
    [ case "${enableval}" in
      yes) acr_nema=true ;;
      no)  acr_nema=false ;;
      *) AC_MSG_ERROR(bad value ${enableval} for --enable-acr-nema) ;;
      esac],
    [acr_nema=false])
AM_CONDITIONAL(ACR_NEMA_TOOLS, test x$acr_nema = xtrue)

AC_CONFIG_FILES([
Makefile 
epm-header
doc/Makefile
testdir/Makefile 
libsrc2/test/Makefile
volume_io/Makefile
volume_io/Documentation/Makefile
volume_io/Testing/Makefile
])

AC_OUTPUT(
progs/xfm/xfmflip
progs/minccomplete/minccomplete
progs/minchistory/minchistory
progs/mincpik/mincpik
)