ocaml/configure

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#! /bin/sh
#*********************************************************************#
# #
# Caml Special Light #
# #
# 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/camlsl
mandir=/usr/local/man/man1
manext=1
host_type=unknown
cc=''
cclibs=''
# Parse command-line arguments
while : ; do
case "$1" in
"") break;;
-bin*|--bin*) bindir=$2;;
-lib*|--lib*) libdir=$2;;
-man*|--man*) mandir=$2; manext=`echo $mandir | sed -e 's/^.*\(.\)$/\1/'`;;
-host*|--host*) host_type=$2;;
-cc*) cc="$2";;
-lib*) cclibs="$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
echo "Directories where Caml Special Light will be installed:"
echo " binaries.................. $bindir"
echo " standard library.......... $libdir"
echo " manual pages.............. $mandir (with extension .$manext)"
# Determine the system type
case "$host_type" in
unknown)
if host_type=`./config.guess`; then :; else
echo "Cannot guess host type"
echo "You must specify one with the -host option"
fi;;
esac
host=`./config.sub $host_type`
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
export cc cclibs
# Is cc/gcc the GNU C compiler?
if sh runtest gcctest.c; then
echo "We're using the GNU C compiler"
gcc=yes
else
gcc=no
fi
# 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 SIXTYFOUR" >> m.h;;
4,8,8) echo "Wow! A 64 bit architecture!"
echo "#define SIXTYFOUR" >> m.h;;
8,*,*) echo "Wow! A 64 bit architecture!"
echo "Unfortunately, Caml Special Light does not handle the case"
echo "sizeof(int) = 8."
echo "Caml Special Light won't run on this architecture."
exit 2;;
*,4,8) echo "Wow! A 64 bit architecture!"
echo "Unfortunately, Caml Special Light cannot work in the case"
echo "sizeof(long) != sizeof(long *)."
echo "Caml Special Light won't run on this architecture."
exit 2;;
?,?,?) echo "This architecture seems to be neither 32 bits nor 64 bits."
echo "Caml Special Light 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 BIG_ENDIAN" >> m.h;;
1) echo "This is a little-endian architecture."
echo "#undef BIG_ENDIAN" >> m.h;;
2) echo "This architecture seems to be neither big endian nor little endian."
echo "Caml Special Light 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 BIG_ENDIAN in m.h).";;
esac
# Determine alignment constraints
sh runtest dblalign.c
case $? in
0) echo "Doubles can be word-aligned."
echo "#undef ALIGN_DOUBLE" >> m.h;;
1) echo "Doubles must be doubleword-aligned."
echo "#define ALIGN_DOUBLE" >> m.h;;
*) echo "Something went wrong during alignment determination for doubles."
echo "I'm going to assume this architecture has alignment constraints over doubles."
echo "That's a safe bet: Caml Special Light will work even if"
echo "this architecture has actually no alignment constraints."
echo "#define ALIGN_DOUBLE" >> m.h;;
esac
# Configure the bytecode compiler
bytecc="$cc"
bytecccompopts=""
bytecclinkopts=""
if test $gcc = yes; then
bytecccompopts="-fno-defer-pop -Wall"
case "$host" in
*-*-nextstep*) bytecccompopts="$bytecccompopts -U__GNUC__";;
alpha-*-osf*) bytecclinkopts="-Xlinker -taso";;
esac
else
$bytecc=cc
fi
echo "Configuration for the bytecode compiler:"
echo " C compiler used........... $bytecc"
echo " options for compiling..... $bytecccompopts"
echo " options for linking....... $bytecclinkopts $cclibs"
echo "BYTECC=$bytecc" >> Makefile
echo "BYTECCCOMPOPTS=$bytecccompopts" >> Makefile
echo "BYTECCLINKOPTS=$bytecclinkopts" >> Makefile
# Configure the native-code compiler
arch=none
model=default
system=unknown
case "$host" in
alpha-*-osf*) arch=alpha;;
sparc-*-sunos4.*) arch=sparc; system=sunos;;
sparc-*-solaris2.*) arch=sparc; system=solaris;;
i[3456]86-*-linuxaout) arch=i386; system=linux;;
i[3456]86-*-linuxoldld) arch=i386; system=linux;;
i[3456]86-*-linux) arch=i386; system=linux_elf;;
i[3456]86-*-*bsd*) arch=i386; system=bsd;;
i[3456]86-*-nextstep*) arch=i386; system=nextstep;;
mips-*-ultrix*) arch=mips;;
hppa1.1-*-nextstep*) arch=hppa;;
rs6000-*-aix*) arch=power; model=rs6000;;
powerpc-*-aix*) arch=power; model=ppc;;
esac
case "$arch" in
alpha|mips) nativecc=cc;;
*) nativecc="$bytecc";;
esac
case "$arch,$nativecc" in
alpha,cc) nativecccompopts=-std1;;
mips,cc) nativecccompopts=-std;;
*,gcc) nativecccompopts=-Wall;;
*) nativecccompopts='';;
esac
case "$host" in
*-*-nextstep*) nativecclinkopts="-Xlinker -preload";;
*) nativecclinkopts='';;
esac
case "$arch" in
alpha|mips) asflags='-O2';;
sparc) asflags='-P -DSYS_$(SYSTEM)';;
i386) asflags='-DSYS_$(SYSTEM)';;
hppa) asflags='';;
power)
case "$model" in
rs6000) asflags='-u -m pwr -w';;
ppc) asflags='-u -m ppc -w';;
esac;;
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=$asflags" >> Makefile
echo "Configuration for the native-code compiler:"
if test "$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 flags........... $asflags"
fi
# Checking how to invoke cpp
if sh ./searchpath cpp; then
cpp="cpp -P"
elif test -f /lib/cpp; then
cpp="/lib/cpp -P"
elif test -f /usr/ccs/lib/cpp; then
cpp="/usr/ccs/lib/cpp -P"
else
cpp="not found"
fi
echo "CPP=$cpp" >> Makefile
echo "How to invoke the C preprocessor: $cpp"
if test "$cpp" = "not found"; then
echo "(Please edit the generated config/Makefile to set CPP correctly)"
fi
# Where is ranlib?
if sh ./searchpath ranlib; then
echo "ranlib found"
echo "RANLIB=ranlib" >> Makefile
else
echo "ranlib not used"
echo "RANLIB=ar -rs" >> 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/cslrun | wc -c` -gt 32; then
echo "We won't use it, though, because the path"
echo " $bindir/cslrun"
echo "is too long (more than 32 characters -- some kernels don't support this)"
echo "SHARPBANGSCRIPTS=false" >> Makefile
else
echo "SHARPBANGSCRIPTS=true" >> Makefile
fi
else
echo "No support for #! in shell scripts"
echo "SHARPBANGSCRIPTS=false" >> Makefile
fi
# Find a good byte move function
if sh runtest -Dcopy=memmove -Dreverse bytecopy.c; then
echo "Function \"memmove\" is provided and handles overlapping moves correctly."
echo "#define HAS_MEMMOVE" >> s.h
fi
if sh runtest -Dcopy=bcopy bytecopy.c; then
echo "Function \"bcopy\" is provided and handles overlapping moves correctly."
echo "#define HAS_BCOPY" >> s.h
fi
# Check the semantics of signal handlers
if sh hasgot sigaction sigprocmask; then
echo "POSIX signal handling found."
echo "#define POSIX_SIGNALS" >> s.h
else
if sh runtest signals.c; then
echo "Signals have the BSD semantics."
echo "#define BSD_SIGNALS" >> s.h
else
echo "Signals have the System V semantics."
fi
if sh hasgot sigsetmask; then
echo "sigsetmask() found"
echo "#define HAS_SIGSETMASK" >> s.h
fi
fi
# For the sys module
if sh hasgot strerror; then
echo "strerror() found."
echo "#define HAS_STRERROR" >> s.h
fi
# For the terminfo module
if sh hasgot -lcurses -ltermcap tgetent tgetstr tgetnum tputs; then
echo "termcap functions found."
echo "#define HAS_TERMCAP" >> s.h
cclibs="$cclibs -lcurses -ltermcap"
fi
# For the Unix library
if sh hasgot socket socketpair bind listen accept connect; then
echo "You have BSD sockets."
echo "#define HAS_SOCKETS" >> s.h
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
fi
if test -f /usr/include/unistd.h; then
echo "unistd.h found."
echo "#define HAS_UNISTD" >> s.h
fi
if test -f /usr/include/dirent.h; then
echo "dirent.h found."
echo "#define HAS_DIRENT" >> 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 test -f /usr/include/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
if sh hasgot select; then
echo "select() found."
echo "#define HAS_SELECT" >> s.h
fi
if test -f /usr/include/sys/select.h; then
echo "/usr/include/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
if sh hasgot wait3; then
echo "wait3() found."
echo "#define HAS_WAIT3" >> s.h
fi
if sh hasgot waitpid; then
echo "waitpid() found."
echo "#define HAS_WAITPID" >> s.h
fi
if test -f /usr/include/sys/param.h && sh runtest getgroups.c; then
echo "getgroups() found."
echo "#define HAS_GETGROUPS" >> s.h
fi
if test -f /usr/include/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 "`uname -s -r`" in
"OSF1 V3."*) testasyncio=false;;
esac
fi
if $testasyncio && sh runtest async_io.c; then
echo "Asynchronous I/O are supported."
echo "#define HAS_ASYNC_IO" >> s.h
fi
if sh hasgot setitimer; then
echo "setitimer() found."
echo "#define HAS_SETITIMER" >> s.h
fi
if sh hasgot gethostname; then
echo "gethostname() found."
echo "#define HAS_GETHOSTNAME" >> s.h
fi
if test -f /usr/include/sys/utsname.h && sh hasgot uname; then
echo "uname() found."
echo "#define HAS_UNAME" >> s.h
fi
if sh hasgot gettimeofday; then
echo "gettimeofday() found."
echo "#define HAS_GETTIMEOFDAY" >> s.h
fi
# Determine the target architecture for the "num" library
case "$host" in
mips*) bignum_arch=mips;;
alpha*) bignum_arch=alpha;;
i960*) bignum_arch=i960;;
sparc-*-sunos*) bignum_arch=supersparc;;
sparc-*-solaris*) bignum_arch=supersparc-solaris;;
*) bignum_arch=C
esac
echo "Target architecture for the \"num\" library: $bignum_arch"
echo "BIGNUM_ARCH=$bignum_arch" >> Makefile
# Determine the location of X include files and libraries
x11_include="not found"
x11_lib="not found"
xdirs="/usr /usr/local /usr/unsupported /usr/athena \
/usr/openwin /usr/openwin/share \
/usr/X386 /usr/x386 \
/usr/X11R6 /usr/X11R5 /usr/X11R4 \
/usr/local/X11R6 /usr/local/X11R5 /usr/local/X11R4"
for dir in $xdirs; do
if test -f $dir/include/X11/X.h; then
x11_include=$dir/include
break
fi
done
for dir in $xdirs; do
if test -f $dir/lib/libX11.a || \
test -f $dir/lib/libX11.so || \
test -f $dir/lib/libX11.sa; then
x11_lib=$dir/lib
break
fi
done
echo "X11_INCLUDES=$x11_include" >> Makefile
echo "X11_LIB=$x11_lib" >> Makefile
echo "Location of X11 include files: $x11_include"
echo "Location of X11 libraries: $x11_lib"
if test "$x11_include" = "not found" || test "$x11_lib" = "not found"
then
echo "(Please edit the generated config/Makefile to set X11_INCLUDES"
echo " and X11_LIB correctly. If you don't have X11 installed,"
echo " please remove \"graph\" from the OTHERLIBRARIES variable.)"
fi
# Finish generated files
echo "CCLIBS=$cclibs -lm" >> Makefile
rm -f tst hasgot.c
rm -f ../m.h ../s.h ../Makefile
mv m.h s.h Makefile ..