dnl Process this file with autoconf to produce a configure script.
sinclude(./aclocal.m4)dnl
sinclude(./acfortran.m4)dnl
AC_INIT_LAPS(src/lib/regex.c)
AC_CONFIG_HEADER(src/include/config.h)
dnl
dnl override presets with user input if present
dnl
if test -n "$user_cflags"
then
  CFLAGS="$user_cflags"
fi
if test -n "$user_fflags"
then
  FFLAGS="$user_fflags"
  LITTLEFLAGS="$user_fflags"
fi

if test -n "$user_optimize"
then
  C_OPT="$user_optimize"
  F_OPT="$user_optimize"
fi

if test "$prefix" = "NONE" 
then
  prefix=$ac_default_prefix
fi
if test "$datadir" = '${prefix}/share'
then
  datadir="$prefix/domains" # datadir="$prefix/data"
fi
echo "Installing data in $datadir"

dnl
dnl Check for host architecture
# 

ARCHIVE="ar"
ANSICFLAGS=$CFLAGS
dnl
dnl guess arch if not set by user
dnl
AC_INIT_ARCH($arch)
AC_PROG_CC
if test "$GCC"
then
  DBFLAGS="-g"
else
  DBFLAGS="-g -C"
fi
dnl guess c compiler if not set by user
dnl if test -z "$CC" 
dnl then
dnl   AC_CHECK_PROGS(CC,xlc cc xlC gcc CC pgcc,,$PATH)
dnl fi
dnl
dnl Find path to netcdf ***required by LAPS***
dnl
echo "PATH = $PATH"
AC_PROG_GENERIC(NETCDF, ncdump, libnetcdf.a, netcdf.inc)

dnl
dnl Find path to perl  ***required by LAPS***
dnl
AC_CHECK_PROGS(PERL,perl perl5,,$PATH)
AC_PATH_PROG(PERL,$PERL )

dnl
dnl Find path to csh  ***required by LAPS***
dnl
AC_CHECK_PROGS(CSH,csh,,$PATH)
AC_PATH_PROG(CSH,$CSH )
AC_PROG_GCC_TRADITIONAL

echo "GCC = $GCC"
#if test "$GCC" 
#then
#  CPPFLAGS = "-C"     
#fi

dnl Set OTHERLIBS to -lgcc only when $CC contains gcc
echo "CC = $CC"
grep 'gcc' << EOF
$CC
EOF

if test $? -eq 0
then
  OTHERLIBS="$OTHERLIBS -lgcc"
fi

LIBPATHFLAG=-L
if test "$arch" = "hpux" 
then
  FFLAGS="$FFLAGS +FPVZO -K" 
  LITTLEFLAGS="$LITTLEFLAGS +FPVZO -K" 
  FIXED="+source=fixed"
  FREE="+source=free +langlvl=90"
  C_OPT="-O2 +Onolimit"
  F_OPT="-O2 +Onolimit"
  LIBPATHFLAG=-Wl,-L
  echo "GCC = $GCC"
  if test -z "$GCC"
  then
      OTHERLIBS="$OTHERLIBS -lm"
      CFLAGS="$CFLAGS -Aa"
      CPPFLAGS="$CPPFLAGS "
  fi
  W3="-DHP"
fi
if test "$arch" = "rs6000" 
then
  FFLAGS="$FFLAGS"
  LITTLEFLAGS="$LITTLEFLAGS"
  FIXED="-qfixed"
  FREE="-qfree=f90 -qsuffix=f=f90"
  DBFLAGS="$DBFLAGS -qflttrap=overflow:underflow:zerodivide"
  C_OPT="-O2 -qstrict"
  F_OPT="-O2 -qstrict"
  W3="-DIBM4 -DAIX"
fi
if test "$arch" = "alpha"
then
  FFLAGS="$FFLAGS -convert big_endian -fpe3"
  LITTLEFLAGS="$LITTLEFLAGS -convert little_endian -fpe3"
  FIXED="-fixed"
  FREE="-free"
  C_OPT="-O4"
  F_OPT="-O4"
  CFLAGS="$CFLAGS -DLITTLE -DSWAPBYTE"
  W3="-DALPHA"
fi  
if test "$arch" = "sun4" 
then
    AC_MSG_ERROR(LAPS no longer supports the sun4 OS)
dnl  FFLAGS="$FFLAGS -native -xl -i4 -fnonstd"
dnl  LITTLEFLAGS="$LITTLEFLAGS -native -xl -i4 -fnonstd"
dnl   C_OPT="-O"
dnl   F_OPT="-O"
fi
if test -z "$FC"
then
  AC_PROG_FC
fi
AC_FC_CPP

AC_FC_INC

AC_FC_BYTE_UNSIGNED
AC_FC_BYTE_SIGNED
AC_FC_INT1
dnl 
dnl Try to figure out if we have an f90 compiler
dnl
grep '90' << EOF
$FC
EOF
if test $? -eq 0 
then
  CPPFLAGS="$CPPFLAGS -DF90"
  if test "$arch" = "rs6000"
  then
    W3="-DIBM4 -DAIX"
  fi

  if test "$arch" = "solaris"
  then
dnl module flags for solaris 
	FFLAGS="$FFLAGS -M\$(SRCROOT)/src/lib -M\$(SRCROOT)/src/lib/modules"
	LITTLEFLAGS="$LITTLEFLAGS -M\$(SRCROOT)/src/lib -M\$(SRCROOT)/src/lib/modules"
        FIXED="-fixed"
        FREE="-free"
dnl
dnl The solaris cc has a bug in the preprocessor
dnl 
	CPP="/usr/ucb/cc -P"
else
	FFLAGS="$FFLAGS -I\$(SRCROOT)/src/lib"
	LITTLEFLAGS="$LITTLEFLAGS -I\$(SRCROOT)/src/lib"
fi
fi

dnl  Check to see if we are running Portland Group
dnl  compilers on a PC. If so, set flags appropriately.

dnl  Test for pgf compiler 
grep 'pgf' << EOF
$FC
EOF
if test $? -eq 0
then
  if test "$arch" = "i686"
  then
    FFLAGS="$FFLAGS -Mnofree -byteswapio -i4 -Bstatic"
    DBFLAGS="$DBFLAGS -Mbounds"
    LITTLEFLAGS="$LITTLEFLAGS -Mnofree -i4 -Bstatic"
    FIXED="-Mnofree"
    FREE="-Mfree"
    CPP="$FC"
    CFLAGS="$CFLAGS -DLITTLE -DSWAPBYTE"
    C_OPT="-O2"
    F_OPT="-O2"
  fi
  if test "$arch" = "i386"
  then
    FFLAGS="$FFLAGS -Mnofree -byteswapio -i4 -Bstatic"
    DBFLAGS="$DBFLAGS -Mbounds"
    LITTLEFLAGS="$LITTLEFLAGS -Mnofree -i4 -Bstatic"
    FIXED="-Mnofree"
    FREE="-Mfree"
    CPP="$FC"
    CFLAGS="$CFLAGS -DLITTLE -DSWAPBYTE"
    C_OPT="-O2"
    F_OPT="-O2"
  fi
  if test "$arch" = "x86_64"
  then
    FFLAGS="$FFLAGS -Mnofree -byteswapio -i4 -Bstatic"
    DBFLAGS="$DBFLAGS -Mbounds"
    LITTLEFLAGS="$LITTLEFLAGS -Mnofree -i4 -Bstatic"
    FIXED="-Mnofree"
    FREE="-Mfree"
    CPP="$FC"
    CFLAGS="$CFLAGS -DLITTLE -DSWAPBYTE"
    C_OPT="-O2"
    F_OPT="-O2 -fastsse"
  fi
fi  

dnl  For W3, test for LINUX build
if test "$arch" = "x86_64" || test "$arch" = "i686" || test "$arch" = "i386"
then
  W3="-DLINUX"
fi  

dnl  For W3 and CFLAGS, test for MAC (Darwin)
if test "$arch" = "unknown" 
then
  if test "`/usr/bin/uname -s`" = "Darwin"
  then
    W3="-DMAC"
    CFLAGS="$CFLAGS -DMAC"
  fi
fi

dnl  For W3, test SWAPBYTE flag
grep 'SWAPBYTE' << EOF
$CFLAGS
EOF
if test $? -eq 0
then
  W3="$W3 -DSWAPBYTE"
fi  

dnl  Test for pgcc compiler 
grep 'pgcc' << EOF
$CC
EOF
if test $? -eq 0
then
  if test "$arch" = "x86_64"
  then
    C_OPT="-O2 -fastsse"
  fi
fi  

dnl  Check to see if we are running the mpif90
dnl  compiler on a PC. If so, set flags appropriately.

grep 'mpif90' << EOF
$FC
EOF
if test $? -eq 0
then
  if test "$arch" = "i686"
  then
    FFLAGS="$FFLAGS -w90 -w95 -cm"
    LITTLEFLAGS="$LITTLEFLAGS -w90 -w95 -cm"
    FREE="-FR"
    C_OPT=""
    F_OPT=""
  fi

  if test "$arch" = "x86_64"
  then
    FFLAGS="$FFLAGS -Mnofree -byteswapio -i4 -Bstatic"
    DBFLAGS="$DBFLAGS -Mbounds"
    LITTLEFLAGS="$LITTLEFLAGS -Mnofree -i4 -Bstatic"
    FIXED="-Mnofree"
    FREE="-Mfree"
    CPP="$FC"
    CFLAGS="$CFLAGS -DLITTLE -DSWAPBYTE"
    C_OPT="-O2"
    F_OPT="-O2 -fastsse"
  fi
fi  


dnl  Default setting for DBCFLAGS
DBCFLAGS="-g"

dnl  Check to see if we are running the ifort
dnl  compiler. If so, set flags appropriately.

grep 'ifort' << EOF
$FC
EOF
if test $? -eq 0
then
    FFLAGS="$FFLAGS -warn usage"
    LITTLEFLAGS="$LITTLEFLAGS -warn usage"
    DBFLAGS="$DBFLAGS -O0 -traceback -ftrapuv"
    FREE="-FR"
    C_OPT="-O2"
    F_OPT="-O2"
    OTHERLIBS="$OTHERLIBS -lnetcdff"


dnl Set DBCFLAGS to smaller set if C compiler is other than 'icc'
    grep 'icc' << EOF
    $CC
EOF

    if test $? -eq 0
    then
        DBCFLAGS="$DBFLAGS"
    else
        DBCFLAGS="-g"
    fi  

fi  

dnl  Check to see if we are running the gfortran
dnl  compiler. If so, set flags appropriately.

grep 'gfortran' << EOF
$FC
EOF
if test $? -eq 0
then
    FFLAGS="$FFLAGS -fd-lines-as-comments -ffree-line-length-none"
fi

dnl  Check to see if we are running the lahey
dnl  compiler. If so, set flags appropriately.

grep 'lahey' << EOF
$FC
EOF
if test $? -eq 0
then
  OTHERLIBS="$OTHERLIBS -lc"
fi

echo "CFLAGS = $CFLAGS"
echo "DBCFLAGS = $DBCFLAGS"
echo "FFLAGS = $FFLAGS"
echo "DBFLAGS = $DBFLAGS"


AC_F90_FUNC_TRIGD
if test $USE_TRIGD -eq 1 
then
  CPPFLAGS="$CPPFLAGS -DUSE_TRIGD"
fi

# AC_FC_FUNC_GETENV
dnl
dnl AC_FC_NAMES sets WDEF to describe fortran externals to c
dnl
AC_FC_NAMES
CPPFLAGS="$CPPFLAGS $WDEF"
AC_FC_FUNC_IMPLICIT_ALLOC
if test $DYNAMIC -eq 1
then
  CPPFLAGS="$CPPFLAGS -DDYNAMIC"
else
  CPPFLAGS="$CPPFLAGS -DNODYNAMIC"
fi

dnl Hardwired MULTI_EXEC for now
CPPFLAGS="$CPPFLAGS -DMULTI_EXEC"

dnl Hardwired for WJET for now
PBSHOME="/usr/local/fsl"

dnl For Grib decoder software some W3 libs need to have
dnl architecture defined as -DCRAY90 -DHP -DSGI -DLINUX
dnl -DLINUXF90 -DVPP5000 (Fujitsu) -DIBM4 -DIBM8 -DALPHA -DMAC
dnl use WDEF to describe fortran externals to c
dnl Also, set wordsize to -DBIT64 for 64 bit architecture, else assume 32
  CDEGRIBFLAGS="$W3 $WDEF"

dnl
dnl How to compile fortran with ncarg?
dnl
AC_FC_FUNC_NCARGFC(NCARGFC)
AC_SUBST(LIBPATHFLAG)
AC_SUBST(CPPFLAGS)
AC_SUBST(PERL)
AC_SUBST(CSH)
AC_SUBST(FFLAGS)
AC_SUBST(LITTLEFLAGS)
AC_SUBST(FREE)
AC_SUBST(FIXED)
AC_SUBST(C_OPT)
AC_SUBST(F_OPT)
AC_SUBST(OTHERLIBS)
AC_SUBST(ARCHIVE)
AC_SUBST(FC_USE_TRIGD)
AC_SUBST(DEGRIBFLAGS)
AC_SUBST(CDEGRIBFLAGS)
AC_SUBST(PBSHOME)

dnl Checks for programs.
dnl AC_PROG_AWK


AC_PROG_MAKE_SET
AC_PROG_RANLIB
# AC_PROG_INSTALL
INSTALL='$(SRCROOT)/util/install-sh'
AC_SUBST(INSTALL)
AC_SUBST(INCLUDE)
AC_SUBST(DBFLAGS)
AC_SUBST(DBCFLAGS)

dnl Checks for libraries.
dnl Replace `main' with a function in -lcurses:
# AC_CHECK_LIB(curses, main)
dnl Replace `main' with a function in -lm:
# AC_CHECK_LIB(m, main)
dnl Replace `main' with a function in -lnssl:
# AC_CHECK_LIB(nssl, main)
dnl Replace `main' with a function in -ltermcap:
# AC_CHECK_LIB(termcap, main)
dnl Replace `main' with a function in -lz:
AC_CHECK_LIB(z, main)
dnl Replace `main' with a function in -lpng:
AC_CHECK_LIB(png, main)
dnl Replace `main' with a function in -ljasper:
AC_CHECK_LIB(jasper, main)

dnl for Grib2 libraries: libjasper.a, libpng.a, libz.a
  AC_PROG_GRIB2

dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h malloc.h strings.h sys/ioctl.h sys/time.h unistd.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_BIGENDIAN
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
 
AC_C_CONST
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_STRUCT_TM

dnl Checks for library functions.
AC_FUNC_ALLOCA
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(gettimeofday re_comp regcomp)

#LAPS_PARMS_CONFIG

AC_OUTPUT(src/include/trigd.inc
          src/include/makefile.inc
          util/cronfile
	  etc/LapsRadar.pl
          etc/LapsRadar_RSA.pl
          etc/casererun.pl
          etc/check_release.csh
          etc/change-center.pl
          etc/cloud.pl
          etc/cronfile.pl
          etc/followup_fcst.pl
          etc/fxalogdir.pl
          etc/generate_images.pl
          etc/ingest_stageIV_files.pl
          etc/laps_input_from_archive.pl
          etc/laps_driver.pl
	  etc/laps_monitor.pl
          etc/lfmpost.pl
          etc/lq3driver.pl
          etc/qsub
          etc/qsub_sge
          etc/qsub_wait
          etc/rsync_ensemble_out.sh
          etc/sched.pl
          etc/sched.sh
          etc/sched_sys.pl
          etc/localize_optran.pl
          etc/localize_domain.pl
          etc/makedatadirs.pl
          etc/msslaps.csh
          etc/prebuild_sms.pl
          etc/purger.pl
          etc/purge_wideband.pl
          etc/purge_w3_fcst2d.pl
          etc/putFile_fire1.pl
          etc/read_nl.pl
          etc/recurs_iter.pl
          etc/ruc_grib2netcdf.csh
          etc/gfs_grib2netcdf.csh
          etc/sendLAPS.pl
          etc/send_lapsprep.pl
          etc/sfc.pl
          etc/systime.pl
          etc/tarlapstime.sh
          etc/temp.pl
          etc/timeconv.pl
          etc/wfo-cwa-latlon-bounds.pl
          etc/wfo_post.pl
          etc/wfo-relocalization.pl
          etc/wind.pl
          etc/window_domain_rt.pl
          etc/wait4lapsprep.pl
          etc/wrfpost.pl
          etc/xferData.pl
          etc/xferlaps.csh
          etc/models/lfmpost_scp_fuafsf.pl
          etc/models/lfmpost_test.csh
          etc/models/mdlpost.csh
          etc/models/run_qsub_lfmp.sh 
          etc/models/subset_wrfout.csh
          etc/verif/allsky_analysis.csh
          etc/verif/ingest_rerun_verif.csh
          etc/verif/verif_fcst_driver.csh
          etc/verif/verif_forecast.csh
          etc/verif/cloud_analysis.csh
          etc/verif/cloud_forecast.csh
          etc/verif/radar_forecast.csh
          etc/verif/run_qsub_verif.sh
          etc/www/nph-laps.cgi
          etc/www/laps.cgi
          etc/www/laps_products.cgi
          gui/make_gui.pl
          gui/install_perlTk.sh
          gui/guiTk/ui_system_tools.pl)

chmod +x etc/*.*sh
chmod +x etc/qsub*
chmod +x etc/models/*.*sh
chmod +x etc/www/nph-laps.cgi
chmod +x etc/www/laps.cgi
chmod +x etc/www/*.*sh
chmod +x etc/verif/*.*sh

./util/fix_net "C      use trigd" "!      use trigd" src/include/trigd.inc