configure

#! /bin/sh

# Spot o' Conf

# Copyright (c) 2017,2018 Stuart Cassoff <stwo@users.sourceforge.net>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

SPOTO_VER=0.7

SH=/bin/sh
e='printf %s\n'
ECHO=${e}
TR=tr
SED=sed

NAME=spot
TITLE='Tcl or Jim extension'
PKG_NAME=spot
PKG_VER=0.0

LIB=''
INIT=''

#FOR_WHAT=Tcl
#FOR_WHAT=Jim

if test X"${TCL}" = X""; then
  TCL=8.6
fi
tcl="${TCL}"
tcl_nodots=`${e} "$tcl" | ${TR} -d '.'`

srcdir=`expr $0 : '\(.*\)/.*$'`
: ${srcdir:=.}
cwd=`pwd`
cd $srcdir
asrcdir=`pwd`
cd $cwd

prefix=/usr/local
appdir=''
#bindir='${prefix}/bin'
bindir=''
libdir='${prefix}/lib'
mandir='${prefix}/man/mann'
#docdir='${prefix}/share/doc'
docdir=''
#exadir='${prefix}/share/examples'
exadir=''

pkgdir=''
moddir=''
moddir_set=no

TCLSH_PROG='tclsh${tcl}'
WISH_PROG='wish${tcl}'
JIMSH_PROG=jimsh
BJE='/usr/local/share/examples/jim/build-jim-ext'

JIM_INC_DIR='${prefix}/include/jim'
JIM_LIB_DIR='${prefix}/lib'
JIM_LIB=jim

TCL_CONF_DIR='${prefix}/lib/tcl/tcl${tcl}'
PKGCONFIG=no

TCLLIBPATH='.'
JIMLIB='.'

DEBUG=no
THREADS=''
PKGINDEX=''
DOC=''
DOCBLD=dtplite
BIN=''
BINSRC=''
TESTENV=''
TEST='test-spot'
SHELL='shell-spot'
CLEAN='clean-spot'
DISTCLEAN='distclean-spot'
DIST='dist-ext'

EXT_BUILD=''
EXT_DEFS=''
EXT_INC_SPEC=''
EXT_LIB_SPEC=''
EXT_DEP_FILES=''
EXT_VPATH=''
EXT_CONF=''
EXT_MK=''

INSTALL_EXA=''

BLDSRC_FATAL=yes

VPATH='${srcdir}/generic:${srcdir}/unix:${srcdir}/library:${srcdir}/doc:${srcdir}/bin'

SUBST_VARS='NAME TITLE PKG_NAME PKG_VER LIB SHLIB SCLIB SCLIBSRC DOC DOCSRC DOCBLD DOCFMT INSTALL_DOC SCBIN SCBINSRC INSTALL_BIN INSTALL_EXA INSTALL_LIB LOAD_LIB INIT CC CFLAGS_CC CFLAGS_WARN CFLAGS_OPT CFLAGS_SH CFLAGS_TH LIBS_TH TH_DEFS OPT_DEFS LDFLAGS LDFLAGS_SH TDEFS JDEFS DEFS SPOTO_DEFS EXT_BUILD EXT_DEFS EXT_INC_SPEC EXT_LIB_SPEC EXT_DEP_FILES TCL_INC_SPEC JIM_INC_SPEC TCL_LIB_SPEC JIM_LIB_SPEC TCL_STUB_LIB_SPEC CC_INC_SPEC LD_LIB_SPEC LD_LIBRARY_PATH_VAR TCLLIBPATH JIMLIB TCLSH_PROG JIMSH_PROG BJE SH CFLAGS_DEBUG FOR_WHAT PKGINDEX CFG_PKGINDEX PKG_INSTALL_DIR DOC_INSTALL_DIR SHELL CLEAN DISTCLEAN DIST TEST TESTENV TESTFWK VPATH srcdir asrcdir cwd prefix appdir pkgdir moddir mandir docdir exadir bindir SPOTO_ARGS'

if test X"$1" != X"" && ! expr X"$1" : X'--..*$' > /dev/null; then
  spoto_conf_file=$1
  shift
else
  spoto_conf_file=$srcdir/spoto.conf
fi

. "$spoto_conf_file"

ext_conf_file=''
if test X"$EXT_CONF" != X""; then
  ext_conf_file=$srcdir/$EXT_CONF
  . "$ext_conf_file"
fi

if test X"$TITLE" = X""; then
  TITLE=$NAME
fi

if test X"$EXT_VPATH" != X""; then
  VPATH="$VPATH:$EXT_VPATH"
fi

if test X"${tcl}" != X"${TCL}"; then
  tcl="${TCL}"
fi

if test X"$FOR_WHAT" != X"Jim"; then
  FOR_WHAT=Tcl
fi

if test X"$THREADS" = X""; then
  if test $FOR_WHAT = Jim; then
    THREADS=no
  else
    THREADS=yes
  fi
fi

SHLIB=''
SCLIB=''
SCLIBSRC=''
LOAD_LIB=''
INSTALL_LIB=''
if expr "$LIB" : '..*[.]tcl$' > /dev/null; then
  SCLIB="$LIB"
  SCLIBSRC="$LIB"
  LOAD_LIB='source'
  INSTALL_LIB='install-script-lib'
fi
if test X"$LOAD_LIB" = X""; then
  if expr "$LIB" : '..*[.]tm$' > /dev/null; then
    LIBNAME=`expr "$LIB" : '\(..*\)[.]tm'`
    if test $FOR_WHAT = Jim; then
      SCLIB=$LIBNAME.tcl
      LOAD_LIB='source'
    else
      SCLIB=$LIBNAME-$PKG_VER.tm
      LOAD_LIB='tm'
    fi
    SCLIBSRC=$LIBNAME.tcl
    INSTALL_LIB='install-script-lib'
    LIB="$SCLIB"
  fi
fi
if test X"$LOAD_LIB" = X"" && test X"$LIB" != X""; then
  SHLIB="$LIB"
  SCLIB=''
  LOAD_LIB='load'
  INSTALL_LIB='install-bin-lib'
fi

DOCFMT=''
if test X"$DOC" != X""; then
  docext=`expr $DOC : '..*\.\(..*\)$'`
  if test X"$docext" = X"n"; then
    DOCFMT=nroff
  fi
  if test X"$docext" = X"html"; then
    DOCFMT=html
  fi
fi

SCBIN=''
SCBINSRC=''
INSTALL_BIN=''
if test X"$BINSRC" = X""; then
  BINSRC="$BIN"
fi
if expr X"$BINSRC" : X'..*[.]tcl$' > /dev/null; then
  SCBIN="$BIN"
  SCBINSRC="$BINSRC"
  INSTALL_BIN='install-script-bin'
fi

if test X"$appdir" = X""; then
  appdir=`${e} "$NAME" | ${TR} '[:upper:]' '[:lower:]'`
fi

if test X"$pkgdir" = X""; then
  if test $FOR_WHAT = Jim; then
    pkgdir='${prefix}/lib/jim'
  else
    pkgdir='${prefix}/lib/tcl/${appdir}'
    if test X"$LOAD_LIB" = X"tm"; then
      moddir='${prefix}/lib/tcl/modules/${tcl_nodots}'
    fi
  fi
fi

if test X"$docdir" = X""; then
  docdir='${prefix}/share/doc/${appdir}'
fi

if test X"$exadir" = X""; then
  exadir='${prefix}/share/examples/${appdir}'
fi

if test X"$bindir" = X""; then
  bindir='${prefix}/bin'
fi

if test $FOR_WHAT = Jim; then
  t=:
  j=${e}
else
  t=${e}
  j=:
fi

showhelpinfo=''
showhelp=''
showres=''
huh=''

for arg
do
  name=`expr "$arg" : '\(.*\)=.*$'`
  if test X"$name" != X""; then
    value=`expr "$arg" : "$name=\(.*\)$"`
  else
    name=$arg
    value=''
  fi
  case $name in
    --appdir	) appdir=$value		;;
    --prefix	) prefix=$value		;;
    --bindir	) bindir=$value		;;
    --libdir	) libdir=$value		;;
    --pkgdir	) pkgdir=$value		;;
    --moddir	) moddir=$value; moddir_set=yes ;;
    --mandir	) mandir=$value		;;
    --docdir	) docdir=$value		;;
    --exadir	) exadir=$value		;;
    --tcl	) tcl=$value		;;
    --with-tcl	) TCL_CONF_DIR=$value	;;
    --pkgconfig	) PKGCONFIG=$value	;;
    --jimincdir	) JIM_INC_DIR=$value	;;
    --jimlibdir	) JIM_LIB_DIR=$value	;;
    --jimlib	) JIM_LIB_DIR=$value	;;
    --tclsh	) TCLSH_PROG=$value	;;
    --wish	) WISH_PROG=$value	;;
    --jimsh	) JIMSH_PROG=$value	;;
    --bje	) BJE=$value		;;
    --docbld    ) DOCBLD=$value		;;
    --docfmt    ) DOCFMT=$value		;;
    --debug	) DEBUG=$value		;;
    --threads	) THREADS=$value	;;
    --quiet	) ECHO=:		;;
    --result	) showres=yes		;;
    -\?|--help	) showhelp=yes		;;
    *		) huh="$huh $arg";showres='';break ;;
  esac
done

if test X"$showres" = X"yes"; then
   for i in $SUBST_VARS; do
     printf '%-20s {@%s@}\n' $i $i
   done | ${SED} -f spoto.sed | sort
  exit
fi

${ECHO} "Spot o' Conf $SPOTO_VER configurator for: $TITLE $PKG_VER for $FOR_WHAT."

if test X"$huh" != X""; then
  ${ECHO} "Huh? $huh"
  exit 1
fi

if test X"$showhelpinfo" = X"yes"; then
  ${e} "Use `expr $0 : '.*/\(.*\)$'` --help for help"
  exit
fi

if test X"$showhelp" = X"yes"; then
  ${e} "Usage: `expr $0 : '.*/\(.*\)$'` [option=value ...]"
  ${e} 'Options:'
  ${t} "  --tcl          ver    Tcl version to use [${tcl}]"
  ${e} "  --appdir       dir    Usually the name of the thing [${appdir}]"
  ${e} "  --prefix       dir    Prefix [${prefix}]"
  ${e} "  --bindir       dir    Executable files dir [${bindir}]"
  ${e} "  --libdir       dir    Library files dir [${libdir}]"
  ${e} "  --pkgdir       dir    Package files dir [${pkgdir}]"
  ${t} "  --moddir       dir    Module files dir [${moddir}]"
  ${e} "  --mandir       dir    Man files dir [${mandir}]"
  ${e} "  --docdir       dir    Documentation files dir [${docdir}]"
  ${e} "  --exadir       dir    Example files dir [${exadir}]"
  ${e} "  --pkgconfig    key    Key for pkg-config [${PKGCONFIG}]"
  ${t} "  --with-tcl     dir    Where to find tclConfig.sh [${TCL_CONF_DIR}]"
  ${j} "  --jimincdir    dir    Where to find Jim include files [${JIM_INC_DIR}]"
  ${j} "  --jimlibdir    dir    Where to find Jim lib files [${JIM_LIB_DIR}]"
  ${j} "  --jimlib       dir    Name of Jim lib file [${JIM_LIB}]"
  ${t} "  --tclsh        file   Path to tclsh [${TCLSH_PROG}]"
  ${t} "  --wish         file   Path to wish [${WISH_PROG}]"
  ${j} "  --jimsh        file   Path to jimsh [${JIMSH_PROG}]"
  ${j} "  --bje          file   Path to build-jim-ext [${BJE}]"
  ${e} "  --docbld       file   Documentation builder [${DOCBLD}]"
  ${e} "  --docfmt       fmt    Documentation format [${DOCFMT}]"
  ${e} "  --debug        bool   Enable symbols and checks [${DEBUG}]"
  ${t} "  --threads      bool   Enable threads [${THREADS}]"
  ${e} '  --quiet        bool   Do not display configure messages'
  ${e} '  --result              Print the result of a configuration'
  ${e} '  --help, -?            This information'
  exit
fi

if test -f Makefile.in; then
  ${e} "Don't build in the toplevel source directory!"
  if test X"$BLDSRC_FATAL" != X"no"; then exit 1; fi
fi

${ECHO} "Using config: $spoto_conf_file $ext_conf_file"

if test X"$DEBUG" = X"yes"; then
  CFLAGS_DEBUG='-g'
else
  CFLAGS_DEBUG='-DNDEBUG=1'
fi

LIBS_TH=''
if test X"$THREADS" = X"yes"; then
  CFLAGS_TH='-pthread'
  TH_DEFS='-DTCL_THREADS=1 -DUSE_THREAD_ALLOC=1'
else
  CFLAGS_TH=''
  TH_DEFS=''
fi

if test X"$DOCFMT" != X"nroff" && test X"$DOCFMT" != X"html"; then
  DOCFMT=''
fi

DOCSRC=''
if test X"$DOCFMT" != X"" && test X"$DOC" != X""; then
  DOCNAME=`expr $DOC : '\(..*\)\..*$'`
  DOCSRC=$DOCNAME.man
  VPATH="$VPATH"':${srcdir}/doc'
  if test X"$DOCFMT" = X"nroff"; then
    DOC_INSTALL_DIR='${mandir}'
    DOC=$DOCNAME.n
  fi
  if test X"$DOCFMT" = X"html"; then
    DOC_INSTALL_DIR='${docdir}'
    DOC=$DOCNAME.html
  fi
  INSTALL_DOC=install-doc
else
  DOC=''
  DOCBLD=''
  DOC_INSTALL_DIR='${docdir}'
  INSTALL_DOC=''
fi

TCLCONFIG=''
if test X"$PKGCONFIG" != X"no"; then
  TCL_CONF_DIR=no
fi
if test X"$TCL_CONF_DIR" != X"no"; then
  eval TCLCONFIG="\"$TCL_CONF_DIR\""/tclConfig.sh
fi

eval TCLSH_PROG="\"$TCLSH_PROG\""

tcl_nodots=`${e} "$tcl" | ${TR} -d '.'`
if test X"$LOAD_LIB" = X"tm"; then
  if test X"$moddir_set" != X"yes"; then
    moddir='${prefix}/lib/tcl/modules/'$tcl_nodots
  fi
fi

if test $FOR_WHAT = Jim; then
  PKGINDEX=''
  DEFS='${JDEFS}'
  SPOTO_DEFS='-DFOR_JIM=1'
  CC_INC_SPEC='${JIM_INC_SPEC}'
  LD_LIB_SPEC='${JIM_LIB_SPEC}'
  PKG_INSTALL_DIR='${pkgdir}'
  TESTFWK='testing.tcl'
else
  DEFS='${TDEFS}'
  SPOTO_DEFS='-DFOR_TCL=1'
  CC_INC_SPEC='${TCL_INC_SPEC}'
  #LD_LIB_SPEC='${TCL_LIB_SPEC}'
  LD_LIB_SPEC='${TCL_STUB_LIB_SPEC}'
  if test X"$LOAD_LIB" = X"tm"; then
    PKG_INSTALL_DIR='${moddir}'
  else
    PKG_INSTALL_DIR='${pkgdir}'
  fi
  TESTFWK='all.tcl'
fi

OPT_DEFS='-DPACKAGE_NAME=\\"'"$PKG_NAME"'\\" -DPACKAGE_VERSION=\\"'"$PKG_VER"'\\"'

CC=${CC:=cc}
CFLAGS_CC='-pipe'
CFLAGS_WARN='-Wall'
CFLAGS_OPT='-O2'
CFLAGS_SH='-fpic'
LDFLAGS=''
LDFLAGS_SH='-shared'
TDEFS='-DUSE_TCL_STUBS=1'
JDEFS=''

LD_LIBRARY_PATH_VAR=LD_LIBRARY_PATH

TCL_INC_SPEC=''
TCL_LIB_SPEC=''
TCL_STUB_LIB_SPEC=''

eval JIM_INC_SPEC="-I\"$JIM_INC_DIR\""
eval JIM_LIB_SPEC="-L\"$JIM_LIB_DIR\"' '-l\"$JIM_LIB\""

if test $FOR_WHAT = Tcl; then
  if test X"$TCLCONFIG" != X""; then
    . "$TCLCONFIG"
  else
    if test X"$PKGCONFIG" != X"no"; then
      if test X"$PKGCONFIG" = X"yes"; then
          PKGCONFIG=tcl${tcl_nodots}
      fi
      TCL_INCLUDE_SPEC=`pkg-config --cflags $PKGCONFIG` || exit 1
      TCL_LIB_SPEC=`pkg-config     --libs   $PKGCONFIG` || exit 1
    fi
  fi
  TCL_INC_SPEC=${TCL_INCLUDE_SPEC-}
else
    if test X"$PKGCONFIG" != X"no"; then
      if test X"$PKGCONFIG" = X"yes"; then
          PKGCONFIG=jimtcl
      fi
      JIM_INC_SPEC=`pkg-config --cflags $PKGCONFIG` || exit 1
      JIM_LIB_SPEC=`pkg-config --libs   $PKGCONFIG` || exit 1
    fi
fi

SPOTO_ARGS="$@"

sfiles='Makefile.in'
if test X"$PKGINDEX" = X"pkgIndex.tcl.in"; then
  sfiles="$sfiles $PKGINDEX"
  CFG_PKGINDEX=cfg_`expr $PKGINDEX : '\(..*\)\.in$'`
  PKGINDEX=''
else
  CFG_PKGINDEX=''
fi

rm -f spoto.sed

if test X"$EXT_MK" != X"" ; then
  for i in $EXT_MK; do
    printf '%s\n\n%s\n' '/@EXT_MK@/a \' "/@EXT_MK@/r $srcdir/$i"
  done
  printf '%s\n' 's,@EXT_MK@,@TITLE@,'
else
  printf '%s\n' '/@EXT_MK@/,/$/d'
fi >> spoto.sed

for i in $SUBST_VARS; do
  eval q=`printf '$%s' "$i"`
  printf 's\001@%s@\001%s\001g\n' $i "$q"
done >> spoto.sed

for ifile in $sfiles; do
  ofile=`expr $ifile : '\(..*\)\.in$'`
  INFILE=$srcdir/$ifile
  OUTFILE=$ofile
  ${SED} -f spoto.sed < "$INFILE" > "$OUTFILE"
done

# EOF