stk/configure.in

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dnl This file is an input file used by the GNU "autoconf" program to
dnl generate the file "configure", which is run during STk installation
dnl to configure the system for the local environment.
AC_INIT(README)
# I have a lot of problems with cache. So ...
/bin/rm -f ./config.cache Src/config.cache Tk/config.cache Tcl/config.cache
# determine the kind of the machine which is running this script
os=`uname -s`
version=`uname -r`
machine=`uname -m`
case $os in
Linux*)
case $version in
1.*) version=1.X;;
2.*) version=2.X;;
esac
case $machine in
i*86) machine=ix86;;
esac;;
SunOS*)
case $version in
4.1.*) version=4.1.X;;
esac
case $machine in
sun4*) machine=sun4;;
esac;;
IRIX*)
case $version in
5.*) version=5.X;;
6.*) version=6.X;;
esac
case $machine in
IP*) machine=IPxx;;
esac;;
HP-UX*)
case $version in
A.09.*) version=9.X;;
A.10.*) version=10.X;;
esac
case $machine in
9000/7*) machine=9000s700;;
esac;;
esac
#
# General variables:
# DFLGS= the -Dxxx options
# EDFLGS= the -Dxxx options (which could be erased if dyn. loading is enabled)
# EOBJ= Some extra '.o' to build
# ETKOBJ= Some extra '.o' to build (when used with Tk)
# MACHINE= something which identifies the machine (hard/OS/machine)
DFLGS="-DSTk_CODE"
EOBJ=""
ETKOBJ=""
EDFLGS=""
MACHINE=$os-$version-$machine
AC_SUBST(DFLGS, DFLGS)
AC_SUBST(EOBJ, EOBJ)
AC_SUBST(ETKOBJ, ETKOBJ)
AC_SUBST(MACHINE,MACHINE)
####
#### Checks for various programs:
####
AC_PROG_RANLIB
STRIP=strip; AC_SUBST(STRIP)
####
#### Find the C compiler an compile flags
####
CC=${CC-gcc}
echo "Using '$CC' compiler"
AC_SUBST(CC)
STKCFLAGS=${CFLAGS-"-O2"}
AC_SUBST(STKCFLAGS, STKCFLAGS)
echo "Using '$STKCFLAGS' compilation options"
STKLDFLAGS=""
AC_SUBST(STKLDFLAGS)
####
#### Try to figure the system we have
####
case $MACHINE in
SunOS-4*) OS=SUNOS4;;
SunOS-5*) OS=SUNOS5;;
OSF1*) OS=OSF1;;
ULTRIX*) OS=ULTRIX;;
HP*) OS=HPUX; DFLGS="$DFLGS -Dhpux";;
Linux*) OS=LINUX;;
NetBSD-1*) OS=NETBSD1;;
FreeBSD*) OS=FREEBSD;;
IRIX-5*) OS=IRIX5;;
*) OS=unknown_system;;
esac
# Set the OS flag soon since it can be augmented with Linux
DFLGS="$DFLGS -D$OS"
echo "Assumming OS is $OS"
####
#### X11 stuff
####
AC_PATH_X
AC_PATH_XTRA
XINCLUDES=""; AC_SUBST(XINCLUDES)
XLIBSW=""; AC_SUBST(XLIBSW)
if test "$x_includes" != ""
then
XINCLUDES="-I$x_includes"
fi
if test "$x_libraries" != ""
then
XLIBSW="-L$x_libraries"
fi
XLIBSW="$XLIBSW $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
#--------------------------------------------------------------------
# Include sys/select.h if it exists and if it supplies things
# that appear to be useful and aren't already in sys/types.h.
# This appears to be true only on the RS/6000 under AIX. Some
# systems like OSF/1 have a sys/select.h that's of no use, and
# other systems like SCO UNIX have a sys/select.h that's
# pernicious. If "fd_set" isn't defined anywhere then set a
# special flag.
#--------------------------------------------------------------------
AC_MSG_CHECKING([fd_set and sys/select])
AC_TRY_COMPILE([#include <sys/types.h>],
[fd_set readMask, writeMask;], tk_ok=yes, tk_ok=no)
if test $tk_ok = no; then
AC_HEADER_EGREP(fd_mask, sys/select.h, tk_ok=yes)
if test $tk_ok = yes; then
AC_DEFINE(HAVE_SYS_SELECT_H)
fi
fi
AC_MSG_RESULT($tk_ok)
if test $tk_ok = no; then
AC_DEFINE(NO_FD_SET)
fi
####
#### Find the MP library to use
####
AC_ARG_WITH(fgmp,
[ --with-fgmp Use a free replacement of Gnu MP package],
MP=libfgmp,
MP=libgmp)
echo "Multiple precision library: $MP"
AC_SUBST(MP, MP)
####
#### Hash tables
####
AC_ARG_ENABLE(hash,
[ --enable-hash Enable hash table support],
hashtable="$enable_hash",
hashtable="yes")
if test "$hashtable" = "yes" ;
then
EOBJ="$EOBJ hash.o"; EDFLGS="$EDFLGS -DUSE_HASH"
fi
echo "Hash tables support: $hashtable"
####
#### Posix support
####
AC_ARG_ENABLE(posix,
[ --enable-posix Enable posix support],
posix="$enable_posix",
posix="yes")
if test "$posix" = "yes" ;
then
EOBJ="$EOBJ posix.o"; EDFLGS="$EDFLGS -DUSE_POSIX"
fi
echo "Posix support: $posix"
####
#### Use STklos support
####
AC_ARG_ENABLE(stklos,
[ --enable-stklos Provide support for STklos],
stklos="$enable_stklos",
stklos="yes")
if test "$stklos" = "yes" ;
then
if test "$hashtable" != "yes"
then
echo "*** Hash table support is required for STklos."
echo "*** Forcing hash table support building."
EOBJ="$EOBJ hash.o"; EDFLGS="$EDFLGS -DUSE_HASH"
fi
DFLGS="$DFLGS -DUSE_STKLOS"
fi
echo "STklos support: $stklos"
####
#### Use Socket support from David Tolpin (dvd@pizza.msk.su)
####
AC_ARG_ENABLE(socket,
[ --enable-socket Provide support for sockets],
socket="$enable_socket",
socket="yes")
if test "$socket" = "yes"
then
EOBJ="$EOBJ socket.o"; EDFLGS="$EDFLGS -DUSE_SOCKET"
fi
echo "Socket support: $socket"
####
#### Use Regexp support
####
AC_ARG_ENABLE(regexp,
[ --enable-regexp Provide support for regular expressions],
regexpr="$enable_regexpr",
regexpr="yes")
if test "$regexpr" = "yes"
then
EOBJ="$EOBJ sregexp.o"; EDFLGS="$EDFLGS -DUSE_REGEXP"
fi
echo "Regexp support: $regexpr"
####
#### Use Process support
####
AC_ARG_ENABLE(process,
[ --enable-process Provide support for Unix processes],
process="$enable_process",
process="yes")
if test "$process" = "yes"
then
EOBJ="$EOBJ process.o"; EDFLGS="$EDFLGS -DUSE_PROCESS"
fi
echo "Process support: $process"
####
#### Html support
####
AC_ARG_ENABLE(html,
[ --enable-html Enable html support],
html="$enable_html",
html="yes")
if test "$html" = "yes" ;
then
EOBJ="$EOBJ html.o"; EDFLGS="$EDFLGS -DUSE_HTML"
fi
echo "Html support: $html"
####
#### Pixmap support
####
AC_ARG_ENABLE(pixmap,
[ --enable-pixmap Enable pixmap images support],
pixmapimages="$enable_pixmap",
pixmapimages="yes")
if test "$pixmapimages" = "yes" ;
then
ETKOBJ="$ETKOBJ pixmap.o"; EDFLGS="$EDFLGS -DUSE_PIXMAP"
fi
echo "Pixmap Images support: $pixmapimages"
##############################################################################
####
#### Dynamic loading
####
##############################################################################
DYNLOAD="" ; AC_SUBST(DYNLOAD)
EXTRA_OBJ="" ; AC_SUBST(EXTRA_OBJ)
LIB_DLD="" ; AC_SUBST(LIB_DLD)
HAVE_DYNLOAD=yes
case $OS in
unkn*) HAVE_DYNLOAD="no";;
ULTRIX) HAVE_DYNLOAD="no";;
LINUX) HAVE_DYNLOAD="no";
# Try to see if this system could be a ELF one
elf_hint="no"
for i in /lib/libc.so*
do
set `file $i`
if test "$2" = "ELF"
then
elf_hint="yes"
break
fi
done 2> /dev/null
AC_ARG_ENABLE(elf,
[ --enable-elf Enable Dynamic Loading using ELF (Linux only)],
dynload_elf="$enable_elf",
dynload_elf=$elf_hint)
AC_ARG_ENABLE(dld,
[ --enable-dld Enable Dynamic Loading using DLD (Linux only)],
dynload_dld="$enable_dld",
dynload_dld="no")
if test "$dynload_elf" = "yes"
then
if test "$dynload_dld" = "yes"
then
echo "**** You have set both DLD and ELF support. Rerun configure"
exit 1
fi
OS=LINUX_ELF
echo "Linux: Using ELF for dynamic loading"
HAVE_DYNLOAD="yes"
fi
if test "$dynload_dld" = "yes"
then
OS=LINUX_DLD
echo "Linux: Using DLD for dynamic loading"
HAVE_DYNLOAD="yes"
fi
# Set a compilation flag indicating the format used
DFLGS="$DFLGS -D$OS" ;;
*) AC_ARG_ENABLE(dynload,
[ --enable-dynload Enable Dynamic loading],
dynload="$enable_dynload",
dynload="yes")
if test "$dynload" = "no"
then
echo "======== Don't use dynamic loading =======";
HAVE_DYNLOAD="no";
fi;;
esac
SH_CCFLAGS=""; AC_SUBST(SH_CCFLAGS)
SH_LDFLAGS=""; AC_SUBST(SH_LDFLAGS)
SH_LOADER=":"; AC_SUBST(SH_LOADER)
SH_SUFFIX=""; AC_SUBST(SH_SUFFIX)
LIB_MALLOC=""; AC_SUBST(LIB_MALLOC)
echo "Determining options for dynamic loading for $OS"
case $OS in
SUNOS4)
SH_CCFLAGS="-pic"
SH_LDFLAGS="-assert pure-text -o"
SH_LOADER="ld"
SH_SUFFIX='so';;
SUNOS5)
SH_CCFLAGS="-K pic"
SH_LDFLAGS='-G -z text -h'
SH_LOADER="ld"
SH_SUFFIX='so';;
OSF1)
SH_CCFLAGS="-fpic"
SH_LDFLAGS="-shared -o"
SH_LOADER="ld"
SH_SUFFIX='so' ;;
NETBSD1)
SH_CCFLAGS="-fpic"
SH_LDFLAGS="-Bshareable -o"
SH_LOADER="ld"
SH_SUFFIX='so';;
HPUX)
SH_CCFLAGS="+Z"
SH_LDFLAGS="-b -o"
SH_LOADER="ld"
SH_SUFFIX='sl'
STKLDFLAGS="$STKLDFLAGS -Wl,-E"
LIB_DLD=-ldld;;
FREEBSD)
SH_CCFLAGS="-pic"
SH_LDFLAGS="-Bshareable -o"
SH_LOADER="ld"
LIB_MALLOC="-lgnumalloc"
SH_SUFFIX='so';;
IRIX5)
if test "$CC" = "gcc"
then
SH_CCFLAGS="-fpic"
else
SH_CCFLAGS="-KPIC"
fi
SH_LDFLAGS="-shared -o"
SH_LOADER="$CC"
SH_SUFFIX='so' ;;
LINUX)
echo " Linux: no dynamic loading method choosed";;
LINUX_DLD)
SH_CCFLAGS=''
SH_LDFLAGS='-r -o'
SH_LOADER='ld'
SH_SUFFIX='so'
# Define STRIP to true to avoid executables striping when using DLD
STRIP=true
# Add the -ldld flag
LIB_DLD=-ldld;;
LINUX_ELF)
SH_CCFLAGS=''
SH_LDFLAGS='-shared -o'
SH_LOADER='ld'
SH_SUFFIX='so'
# Under ELF, use the -rdynamic option at ld phase
STKLDFLAGS=-rdynamic;;
*) echo " (I don't know how to make shared libraries for $OS)" ;;
esac
#
# Transform -pic in -fpic if using gcc
#
if test ! -z "SH_CCFLAGS" ; then
if test "$CC" = "gcc" -a "$SH_CCFLAGS" != "" ; then
SH_CCFLAGS="-fpic"
fi
fi
if test "$HAVE_DYNLOAD" = "yes"
then
for _i_ in $EOBJ $ETKOBJ
do
EXTRA_OBJ="$EXTRA_OBJ `basename $_i_ .o`.$SH_SUFFIX"
done
DYNLOAD=-DUSE_DYNLOAD
EOBJ=""
ETKOBJ=""
EDFLGS=""
fi
# Set final DFLGS
DFLGS="$DFLGS $EDFLGS"
####
#### Produce the Makefile
####
echo
AC_OUTPUT(Makefile)
##############################################################################
####
#### Configuring Sub-directories
####
echo "**** Configuring Src directory";
(cd Src; CC=$CC MACH=$MACH /bin/sh ./configure)
echo "**** Configuring Extensions directory";
(cd Extensions; CC=$CC MACH=$MACH /bin/sh ./configure)
echo "**** Configuring Tcl directory";
(cd Tcl; CC=$CC /bin/sh ./configure)
echo "**** Configuring Tk directory";
if test "$x_includes" != "" -a "$x_libraries" != ""
then
(cd Tk/unix; CC=$CC /bin/sh ./configure --x-includes=$x_includes \
--x-libraries=$x_libraries)
else
(cd Tk/unix; CC=$CC /bin/sh ./configure)
fi
###
### Some things to terminate
###
# FreeBsd seems to use an old syntax for inclusion in Makefile. Patch
# Makefiles acordingly
case $OS in
FREEBSD) for i in */Makefile
do
sed <$i > X$$X 's%include ../config.make%.include "../config.make"%'
mv X$$X $i
done;;
*) ;;
esac
###
### SUMMARY
###
echo " "
echo " "
echo "SUMMARY"
echo "*******"
echo " Your system is " $OS
echo " C compiler is:" $CC
echo " Compilation options:" $STKCFLAGS
echo " Dynamic loading enabled:" $HAVE_DYNLOAD
echo " X11 libraries directory:" $x_libraries
echo " X11 headers directory:" $x_includes
echo " "
echo " You have choosed the following options"
echo " Multiple precision library: " $MP
echo " Hash tables support: " $hashtable
echo " Posix support: " $posix
echo " STklos support: " $stklos
echo " Socket support: " $socket
echo " Regexp support: " $regexpr
echo " Process support: " $process
echo " Html support: " $html
echo " Pixmap Images support: " $pixmapimages
echo " "
echo "If this is correct, you can just type 'make' now at your shell prompt."
echo "Otherwise, rerun configure with proper options (see the README file for"
echo "a description of STk configure options.)"
echo " "