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#! /bin/sh
#*********************************************************************#
# #
# Objective Caml #
# #
# Xavier Leroy, projet Cristal, INRIA Rocquencourt #
# #
# Copyright 1995 Institut National de Recherche en Informatique et #
# Automatique. Distributed only by permission. #
# #
#*********************************************************************#
# $Id$
bindir=/usr/local/bin
libdir=/usr/local/lib/ocaml
mandir=/usr/local/man/man1
manext=1
host_type=unknown
cc=''
cclibs=''
x11_include_dir=''
x11_lib_dir=''
# Parse command-line arguments
while : ; do
case "$1" in
"") break;;
-bindir|--bindir) bindir=$2;;
-libdir|--libdir) libdir=$2;;
-mandir|--mandir) mandir=$2
manext=`echo $mandir | sed -e 's/^.*\(.\)$/\1/'`;;
-host*|--host*) host_type=$2;;
-cc*) cc="$2";;
-lib*) cclibs="$2 ";;
-x11include*|--x11include*) x11_include_dir=$2;;
-x11lib*|--x11lib*) x11_lib_dir=$2;;
*) echo "Unknown option \"$1\"." 1>&2; exit 2;;
esac
shift
shift
done
# Generate the files
cd config/auto-aux
rm -f s.h m.h Makefile
touch s.h m.h Makefile
# Where to install
echo "BINDIR=$bindir" >> Makefile
echo "LIBDIR=$libdir" >> Makefile
echo "MANDIR=$mandir" >> Makefile
echo "MANEXT=$manext" >> Makefile
# Determine the system type
if test "$host_type" = "unknown"; then
if host_type=`./config.guess`; then :; else
echo "Cannot guess host type"
echo "You must specify one with the -host option"
exit 2
fi
fi
if host=`./config.sub $host_type`; then :; else
echo "Please specify the correct host type with the -host option"
exit 2
fi
echo "Configuring for a $host ..."
# Do we have gcc?
if test -z "$cc"; then
if sh ./searchpath gcc; then
echo "gcc found"
cc=gcc
else
cc=cc
fi
fi
# Check for buggy versions of GCC
case "$cc" in
gcc*)
case `$cc --version` in
2.7.2.1)
echo ""
echo "WARNING: you are using gcc version 2.7.2.1."
echo "This version of gcc is known to generate incorrect code"
echo "for the Objective Caml runtime system, at least on Intel x86"
echo "machines. (The symptom is a crash of boot/ocamlc when compiling"
echo "stdlib/pervasives.mli.)"
echo "You are strongly advised to use another version of gcc, such as"
echo "2.7.2 or 2.7.2.2, which are known to work well with Objective Caml."
echo ""
echo "Press <enter> to proceed or <interrupt> to stop."
read reply;;
esac;;
esac
# Configure the bytecode compiler
bytecc="$cc"
bytecccompopts=""
bytecclinkopts=""
case "$bytecc,$host" in
gcc,*-*-nextstep*)
# GNU C extensions disabled, but __GNUC__ still defined!
bytecccompopts="-fno-defer-pop -Wall -U__GNUC__ -posix"
bytecclinkopts="-posix";;
gcc,alpha-*-osf*)
bytecccompopts="-fno-defer-pop -Wall"
# -taso puts code in lower 4GB
bytecclinkopts="-Xlinker -taso";;
gcc*)
bytecccompopts="-fno-defer-pop -Wall";;
cc,mips-*-irix6*)
# Add -32 flag to ensure compatibility with native-code compiler
bytecccompopts="-32"
# Turn off warning "unused library"
bytecclinkopts="-32 -Wl,-woff,84";;
cc*,mips-*-irix6*)
# Turn off warning "unused library"
bytecclinkopts="-Wl,-woff,84";;
esac
echo "BYTECC=$bytecc" >> Makefile
echo "BYTECCCOMPOPTS=$bytecccompopts" >> Makefile
echo "BYTECCLINKOPTS=$bytecclinkopts" >> Makefile
# Configure compiler to use in further tests
cc="$bytecc $bytecclinkopts"
export cc cclibs
# Check the sizes of data types
echo "Checking the sizes of integers and pointers..."
set `sh runtest sizes.c`
case "$1,$2,$3" in
4,4,4) echo "OK, this is a regular 32 bit architecture."
echo "#undef ARCH_SIXTYFOUR" >> m.h;;
4,8,8) echo "Wow! A 64 bit architecture!"
echo "#define ARCH_SIXTYFOUR" >> m.h;;
8,*,*) echo "Wow! A 64 bit architecture!"
echo "Unfortunately, Objective Caml does not handle the case"
echo "sizeof(int) = 8."
echo "Objective Caml won't run on this architecture."
exit 2;;
*,4,8) echo "Wow! A 64 bit architecture!"
echo "Unfortunately, Objective Caml cannot work in the case"
echo "sizeof(long) != sizeof(long *)."
echo "Objective Caml won't run on this architecture."
exit 2;;
*,*,*) echo "This architecture seems to be neither 32 bits nor 64 bits."
echo "Objective Caml won't run on this architecture."
exit 2;;
*) echo "Unable to compile the test program."
echo "Make sure the C compiler $cc is properly installed."
exit 2;;
esac
# Determine endianness
sh runtest endian.c
case $? in
0) echo "This is a big-endian architecture."
echo "#define ARCH_BIG_ENDIAN" >> m.h;;
1) echo "This is a little-endian architecture."
echo "#undef ARCH_BIG_ENDIAN" >> m.h;;
2) echo "This architecture seems to be neither big endian nor little endian."
echo "Objective Caml won't run on this architecture."
exit 2;;
*) echo "Something went wrong during endianness determination."
echo "You'll have to figure out endianness yourself"
echo "(option ARCH_BIG_ENDIAN in m.h).";;
esac
# Determine alignment constraints
sh runtest dblalign.c
case $? in
0) echo "Doubles can be word-aligned."
echo "#undef ARCH_ALIGN_DOUBLE" >> m.h;;
1) echo "Doubles must be doubleword-aligned."
echo "#define ARCH_ALIGN_DOUBLE" >> m.h;;
*) echo "Something went wrong during alignment determination for doubles."
echo "I'm going to assume this architecture has alignment constraints over doubles."
echo "That's a safe bet: Objective Caml will work even if"
echo "this architecture has actually no alignment constraints."
echo "#define ARCH_ALIGN_DOUBLE" >> m.h;;
esac
# Configure the native-code compiler
arch=none
model=default
system=unknown
case "$host" in
alpha-*-osf*) arch=alpha;;
sparc-*-sunos4.*) arch=sparc; system=sunos;;
sparc-*-solaris2.*) arch=sparc; system=solaris;;
sparc-*-*bsd*) arch=sparc; system=bsd;;
i[3456]86-*-linuxaout) arch=i386; system=linux_aout;;
i[3456]86-*-linuxoldld) arch=i386; system=linux_aout;;
i[3456]86-*-linux) arch=i386; system=linux_elf;;
i[3456]86-*-*bsd*) arch=i386; system=bsd;;
i[3456]86-*-nextstep*) arch=i386; system=nextstep;;
i[3456]86-*-solaris*) arch=i386; system=solaris;;
mips-*-irix6*) arch=mips; system=irix;;
mips-*-ultrix*) arch=mips; system=ultrix;;
hppa1.1-*-hpux*) arch=hppa; system=hpux;;
hppa1.1-*-nextstep*) arch=hppa; system=nextstep;;
rs6000-*-aix*) arch=power; model=rs6000; system=aix;;
powerpc-*-aix*) arch=power; model=ppc; system=aix;;
powerpc-*-linux*) arch=power; model=ppc; system=elf;;
m68k-*-sunos*) arch=m68k; system=sunos;;
esac
case "$arch" in
alpha|mips) nativecc=cc;;
*) nativecc="$bytecc";;
esac
nativecccompopts=''
nativecclinkopts=''
case "$arch,$nativecc,$system" in
alpha,cc,*) nativecccompopts=-std1;;
mips,cc,irix) nativecccompopts=-32
nativecclinkopts="-32 -Wl,-woff,84";;
mips,cc,ultrix) nativecccompopts=-std;;
*,*,nextstep) nativecccompopts="-Wall -U__GNUC__ -posix"
nativecclinkopts="-posix";;
*,gcc,*) nativecccompopts=-Wall;;
esac
asflags=''
aspp='$(AS)'
asppflags=''
case "$arch,$model,$system" in
alpha,*,*) asflags='-O2'; asppflags="$asflags";;
mips,*,irix) asflags='-32 -O2'; asppflags="$asflags";;
mips,*,ultrix) asflags='-O2'; asppflags="$asflags";;
sparc,*,bsd) aspp='gcc'; asppflags='-c -DSYS_$(SYSTEM)';;
sparc,*,*) asppflags='-P -DSYS_$(SYSTEM)';;
i386,*,solaris) asppflags='-P -DSYS_$(SYSTEM)';;
i386,*,*) aspp='gcc'; asppflags='-c -DSYS_$(SYSTEM)';;
hppa,*,*) aspp="$cc"; asppflags='-c -DSYS_$(SYSTEM)';;
power,rs6000,aix) asflags='-u -m pwr -w'; asppflags="$asflags";;
power,ppc,aix) asflags='-u -m ppc -w'; asppflags="$asflags";;
power,*,elf) aspp='gcc'; asppflags='-c';;
esac
echo "ARCH=$arch" >> Makefile
echo "MODEL=$model" >> Makefile
echo "SYSTEM=$system" >> Makefile
echo "NATIVECC=$nativecc" >> Makefile
echo "NATIVECCCOMPOPTS=$nativecccompopts" >> Makefile
echo "NATIVECCLINKOPTS=$nativecclinkopts" >> Makefile
echo "ASFLAGS=$asflags" >> Makefile
echo "ASPP=$aspp" >> Makefile
echo "ASPPFLAGS=$asppflags" >> Makefile
# Where is ranlib?
if sh ./searchpath ranlib; then
echo "ranlib found"
echo "RANLIB=ranlib" >> Makefile
echo "RANLIBCMD=ranlib" >> Makefile
else
echo "ranlib not used"
echo "RANLIB=ar rs" >> Makefile
echo "RANLIBCMD=" >> Makefile
fi
# Do #! scripts work?
if (SHELL=/bin/sh; export SHELL; ./sharpbang > /dev/null); then
echo "#! appears to work in shell scripts"
if test `echo $bindir/ocamlrun | wc -c` -gt 32; then
echo "We won't use it, though, because the path"
echo " $bindir/ocamlrun"
echo "is too long (more than 32 characters -- some kernels don't support this)"
echo "SHARPBANGSCRIPTS=false" >> Makefile
else
echo "SHARPBANGSCRIPTS=true" >> Makefile
fi
else
echo "No support for #! in shell scripts"
echo "SHARPBANGSCRIPTS=false" >> Makefile
fi
# This is obviously a Unix system
echo '#define OCAML_OS_TYPE "Unix"' >> s.h
# Find a good byte move function
if sh runtest -Dcopy=memmove -Dreverse bytecopy.c; then
echo "Function \"memmove\" is provided and handles overlapping moves correctly."
echo "#define HAS_MEMMOVE" >> s.h
fi
if sh runtest -Dcopy=bcopy bytecopy.c; then
echo "Function \"bcopy\" is provided and handles overlapping moves correctly."
echo "#define HAS_BCOPY" >> s.h
fi
# Check the semantics of signal handlers
if sh hasgot sigaction sigprocmask; then
echo "POSIX signal handling found."
echo "#define POSIX_SIGNALS" >> s.h
else
if sh runtest signals.c; then
echo "Signals have the BSD semantics."
echo "#define BSD_SIGNALS" >> s.h
else
echo "Signals have the System V semantics."
fi
if sh hasgot sigsetmask; then
echo "sigsetmask() found"
echo "#define HAS_SIGSETMASK" >> s.h
fi
fi
# For the sys module
if sh hasgot strerror; then
echo "strerror() found."
echo "#define HAS_STRERROR" >> s.h
fi
# For the terminfo module
for libs in "" "-lcurses" "-ltermcap" "-lcurses -ltermcap"; do
if sh hasgot $libs tgetent tgetstr tgetnum tputs; then
echo "termcap functions found (with libraries '$libs')"
echo "#define HAS_TERMCAP" >> s.h
cclibs="${cclibs}${libs}"
break
fi
done
# Configuration for the libraries
otherlibraries="unix str num dynlink"
# For the Unix library
has_sockets=no
if sh hasgot socket socketpair bind listen accept connect; then
echo "You have BSD sockets."
echo "#define HAS_SOCKETS" >> s.h
has_sockets=yes
elif sh hasgot -lnsl -lsocket socket socketpair bind listen accept connect; then
echo "You have BSD sockets (with the additional libraries -lnsl -lsocket)"
cclibs="$cclibs -lnsl -lsocket"
echo "#define HAS_SOCKETS" >> s.h
has_sockets=yes
fi
if sh hasgot -i unistd.h; then
echo "unistd.h found."
echo "#define HAS_UNISTD" >> s.h
fi
if sh hasgot -i dirent.h; then
echo "dirent.h found."
echo "#define HAS_DIRENT" >> s.h
fi
if sh hasgot rewinddir; then
echo "rewinddir() found."
echo "#define HAS_REWINDDIR" >> s.h
fi
if sh hasgot lockf; then
echo "lockf() found."
echo "#define HAS_LOCKF" >> s.h
fi
if sh hasgot mkfifo; then
echo "mkfifo() found."
echo "#define HAS_MKFIFO" >> s.h
fi
if sh hasgot getcwd; then
echo "getcwd() found."
echo "#define HAS_GETCWD" >> s.h
fi
if sh hasgot getwd; then
echo "getwd() found."
echo "#define HAS_GETWD" >> s.h
fi
if sh hasgot getpriority setpriority; then
echo "getpriority() found."
echo "#define HAS_GETPRIORITY" >> s.h
fi
if sh hasgot -i utime.h && sh hasgot utime; then
echo "utime() found."
echo "#define HAS_UTIME" >> s.h
fi
if sh hasgot utimes; then
echo "utimes() found."
echo "#define HAS_UTIMES" >> s.h
fi
if sh hasgot dup2; then
echo "dup2() found."
echo "#define HAS_DUP2" >> s.h
fi
if sh hasgot fchmod fchown; then
echo "fchmod() found."
echo "#define HAS_FCHMOD" >> s.h
fi
if sh hasgot truncate ftruncate; then
echo "truncate() found."
echo "#define HAS_TRUNCATE" >> s.h
fi
has_select=no
if sh hasgot select; then
echo "select() found."
echo "#define HAS_SELECT" >> s.h
has_select=yes
fi
if sh hasgot -i sys/select.h; then
echo "sys/select.h found."
echo "#define HAS_SYS_SELECT_H" >> s.h
fi
if sh hasgot symlink readlink lstat; then
echo "symlink() found."
echo "#define HAS_SYMLINK" >> s.h
fi
has_wait=no
if sh hasgot waitpid; then
echo "waitpid() found."
echo "#define HAS_WAITPID" >> s.h
has_wait=yes
fi
if sh hasgot wait4; then
echo "wait4() found."
echo "#define HAS_WAIT4" >> s.h
has_wait=yes
fi
if sh hasgot -i sys/param.h && sh runtest getgroups.c; then
echo "getgroups() found."
echo "#define HAS_GETGROUPS" >> s.h
fi
if sh hasgot -i termios.h &&
sh hasgot tcgetattr tcsetattr tcsendbreak tcflush tcflow; then
echo "POSIX termios found."
echo "#define HAS_TERMIOS" >> s.h
fi
# Async I/O under OSF1 3.x are so buggy that the test program hangs...
testasyncio=true
if test -f /usr/bin/uname; then
case "`/usr/bin/uname -s -r`" in
"OSF1 V3."*) testasyncio=false;;
esac
fi
if $testasyncio && sh runtest async_io.c; then
echo "Asynchronous I/O are supported."
echo "#define HAS_ASYNC_IO" >> s.h
fi
has_setitimer=no
if sh hasgot setitimer; then
echo "setitimer() found."
echo "#define HAS_SETITIMER" >> s.h
has_setitimer="yes"
fi
if sh hasgot gethostname; then
echo "gethostname() found."
echo "#define HAS_GETHOSTNAME" >> s.h
fi
if sh hasgot -i sys/utsname.h && sh hasgot uname; then
echo "uname() found."
echo "#define HAS_UNAME" >> s.h
fi
has_gettimeofday=no
if sh hasgot gettimeofday; then
echo "gettimeofday() found."
echo "#define HAS_GETTIMEOFDAY" >> s.h
has_gettimeofday="yes"
fi
if sh hasgot mktime; then
echo "mktime() found."
echo "#define HAS_MKTIME" >> s.h
fi
if sh hasgot setsid; then
echo "setsid() found."
echo "#define HAS_SETSID" >> s.h
fi
# Determine if the debugger is supported
if test "$has_sockets" = "yes"; then
echo "Replay debugger supported."
debugger="ocamldebugger"
else
echo "No replay debugger (missing system calls)"
debugger=""
fi
# Determine the target architecture for the "num" library
case "$host" in
mips-*-ultrix*) bignum_arch=mips;;
alpha*) bignum_arch=alpha;;
i960*) bignum_arch=i960;;
sparc-*-sunos*) bignum_arch=supersparc;;
sparc-*-solaris*) bignum_arch=supersparc-solaris;;
sparc-*-*bsd*) bignum_arch=sparc;;
m68k-*-sunos*) bignum_arch=68K;;
*) bignum_arch=C
esac
echo "BIGNUM_ARCH=$bignum_arch" >> Makefile
# Determine if the threads library is supported
if test "$has_select" = "yes" \
&& test "$has_setitimer" = "yes" \
&& test "$has_gettimeofday" = "yes" \
&& test "$has_wait" = "yes"; then
echo "Threads library supported."
otherlibraries="$otherlibraries threads"
else
echo "No threads library (missing system calls)"
fi
# Determine the location of X include files and libraries
x11_include="not found"
x11_link="not found"
for dir in $x11_include_dir \
/usr/X11R6/include /usr/X11R5/include /usr/X11R4/include \
/usr/include/X11R6 /usr/include/X11R5 /usr/include/X11R4 \
/usr/local/X11R6/include /usr/local/X11R5/include /usr/local/X11R4/include \
/usr/local/include/X11R6 /usr/local/include/X11R5 /usr/local/include/X11R4 \
/usr/X11/include /usr/include/X11 /usr/local/X11/include \
/usr/local/include/X11 /usr/X386/include /usr/x386/include \
/usr/XFree86/include/X11 /usr/include /usr/local/include \
/usr/unsupported/include /usr/athena/include /usr/local/x11r5/include \
/usr/lpp/Xamples/include /usr/openwin/include /usr/openwin/share/include \
/opt/X11R6/include /opt/X11R5/include
do
if test -f $dir/X11/X.h; then
x11_include=$dir
break
fi
done
for dir in $x11_lib_dir \
/usr/X11R6/lib /usr/X11R5/lib /usr/X11R4/lib \
/usr/lib/X11R6 /usr/lib/X11R5 /usr/lib/X11R4 \
/usr/local/X11R6/lib /usr/local/X11R5/lib /usr/local/X11R4/lib \
/usr/local/lib/X11R6 /usr/local/lib/X11R5 /usr/local/lib/X11R4 \
/usr/X11/lib /usr/lib/X11 /usr/local/X11/lib \
/usr/local/lib/X11 /usr/X386/lib /usr/x386/lib \
/usr/XFree86/lib/X11 /usr/lib /usr/local/lib \
/usr/unsupported/lib /usr/athena/lib /usr/local/x11r5/lib \
/usr/lpp/Xamples/lib /usr/openwin/lib /usr/openwin/share/lib \
/opt/X11R6/lib /opt/X11R5/lib
do
if test -f $dir/libX11.a || \
test -f $dir/libX11.so || \
test -f $dir/libX11.sa; then
x11_link="-cclib -L$dir -cclib -lX11"
break
fi
done
if test "$x11_include" = "not found" || test "$x11_link" = "not found"
then
echo "X11 not found, the \"graph\" library will not be supported."
else
echo "Location of X11 include files: $x11_include/X11"
echo "Options for linking with X11: $x11_link"
otherlibraries="$otherlibraries graph"
if test "$x11_include" = "/usr/include"; then
x11_include=""
else
x11_include="-I$x11_include"
fi
echo "X11_INCLUDES=$x11_include" >> Makefile
echo "X11_LINK=$x11_link" >> Makefile
fi
# See if we can compile the dbm library
if sh hasgot -i ndbm.h
then
echo "NDBM library found."
otherlibraries="$otherlibraries dbm"
else
echo "NDBM not found, the \"dbm\" library will not be supported."
fi
# Finish generated files
cclibs="$cclibs -lm"
echo "CCLIBS=$cclibs" >> Makefile
echo "OTHERLIBRARIES=$otherlibraries" >> Makefile
echo "DEBUGGER=$debugger" >> Makefile
rm -f tst hasgot.c
rm -f ../m.h ../s.h ../Makefile
mv m.h s.h Makefile ..
# Print a summary
echo
echo "** Configuration summary **"
echo
echo "Directories where Objective Caml will be installed:"
echo " binaries.................. $bindir"
echo " standard library.......... $libdir"
echo " manual pages.............. $mandir (with extension .$manext)"
echo "Configuration for the bytecode compiler:"
echo " C compiler used........... $bytecc"
echo " options for compiling..... $bytecccompopts"
echo " options for linking....... $bytecclinkopts $cclibs"
echo "Configuration for the native-code compiler:"
if test "$arch" = "none"; then
echo " (not supported on this platform)"
else
if test "$model" = "default"; then
echo " hardware architecture..... $arch"
else
echo " hardware architecture..... $arch ($model)"
fi
if test "$system" = "unknown"; then : ; else
echo " OS variant................ $system"
fi
echo " C compiler used........... $nativecc"
echo " options for compiling..... $nativecccompopts"
echo " options for linking....... $nativecclinkopts $cclibs"
echo " assembler ................ \$(AS) $asflags"
echo " preprocessed assembler ... $aspp $asppflags"
fi
if test "$debugger" = "ocamldebugger"; then
echo "Source-level replay debugger: supported"
else
echo "Source-level replay debugger: not supported"
fi
echo "Configuration for the external libraries:"
echo " libraries supported....... $otherlibraries"
echo "The \"num\" library:"
echo " target architecture ...... $bignum_arch"
if test "$x11_include" != "not found" && test "$x11_lib" != "not found"; then
echo "The \"graph\" library:"
echo " options for compiling .... $x11_include"
echo " options for linking ...... $x11_link"
fi
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