Commit ca1d1d23 authored by Jim Blandy's avatar Jim Blandy

Initial revision

parent 23a227f7
#!/bin/sh
# Configuration script for GNU Emacs
# Copyright (C) 1992 Free Software Foundation, Inc.
#This file is part of GNU Emacs.
#GNU Emacs is free software; you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation; either version 1, or (at your option)
#any later version.
#GNU Emacs is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#GNU General Public License for more details.
#You should have received a copy of the GNU General Public License
#along with GNU Emacs; see the file COPYING. If not, write to
#the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
# Shell script to edit files and make symlinks in preparation for
# compiling Emacs.
#
# Usage: configure machine
#
# If configure succeeds, it leaves its status in config.status.
# If configure fails after disturbing the status quo,
# config.status is removed.
#
progname=$0
short_usage="Type \`${progname} -usage' for more information about options."
usage_message="Usage: ${progname} MACHINENAME [-OPTION[=VALUE] ...]
Set compilation and installation parameters for GNU Emacs, and report.
MACHINENAME is the machine to build for. See \`etc/MACHINES'.
Options are:
-opsystem=SYSTEM - operating system to build for; see \`etc/MACHINES'.
-libroot=DIR - where to install Emacs's library files
These options have reasonable defaults (in []s), and may not be needed:
-g, -O - Passed to the compiler. If omitted, use -O only.
-cc=COMPILER - Which compiler to use. Defaults to gcc if available.
-libdir=DIR - where to look for arch-dependent library files
-datadir=DIR - where to look for architecture-independent library files
-installbin=DIR - where to install the Emacs executable, and some friends
-lisppath=PATH - colon-separated list of Elisp directories
-lockdir=DIR - where Emacs should do its file-locking stuff
-window_system=none or [x11, if it is installed] - what window system to use
-have_x_menu=yes or [no] - include menu support under X11
-gnu_malloc=[yes] or no - use the GNU memory allocator
-rel_alloc=[yes] or no - use compacting allocator for buffers
-highpri=N - run at N points higher-than-normal priority
-lisp_float_type=[yes] or no - Support floating point in Elisp
If successful, ${progname} leaves its status in config.status. If
unsuccessful after disturbing the status quo, config.status is removed."
if [ ! -r ./src/lisp.h ]; then
echo "${progname}: Can't find Emacs sources in \`./src'.
Run this config script in the top directory of the Emacs source tree." 1>&2
exit 1
fi
options=":\
usage:help:\
machine:opsystem:\
g:O:cc:\
libroot:datadir:libdir:installbin:lisppath:lockdir:\
gnu_malloc:rel_alloc:highpri:lisp_float_type:\
window_system:have_x_menu:\
"
boolean_opts=":\
g:O:\
gnu_malloc:rel_alloc:lisp_float_type:have_x_menu:\
"
config_h_opts=":\
highpri:gnu_malloc:rel_alloc:lisp_float_type:\
have_x_windows:have_x11:have_x_menu:\
c_switch_site:sigtype:\
"
libroot=
installbin=/usr/local/bin
gnu_malloc=yes
lisp_float_type=yes
# The default values for the following options are guessed at after other
# options have been checked and given values, so we set them to null here.
lisppath=""
datadir=""
libdir=""
lockdir=""
window_system=""
have_x_menu=""
# This must be the only option on the line, and it can't be abbreviated.
# This keeps it from interfering with the other, documented options.
if [ "$*" = "+distribute" ]; then
libroot=/usr/local/lib/emacs
machine=hp300bsd
opsystem=bsd4-3
shift
fi
echo "Examining options..."
for arg in $*; do
case "${arg}" in
-*)
# Separate the switch name from the value it's being given.
case "${arg}" in
-*=* )
opt=`echo ${arg} | sed 's:^-\([^=]*\)=.*$:\1:'`
val=`echo ${arg} | sed 's:^-[^=]*=\(.*\)$:\1:'`
valomitted=no
;;
-* )
# If FOO is a boolean argument, -FOO is equivalent to -FOO=yes.
opt=`echo ${arg} | sed 's:^-\(.*\)$:\1:'`
val="yes"
valomitted=yes
;;
esac
# Make sure the argument is valid and unambiguous.
case ${options} in
*:${opt}:* ) # Exact match.
optvar=${opt}
;;
*:${opt}*:${opt}*:* ) # Ambiguous prefix.
echo "\`-${opt}' is an ambiguous switch; it could be any of the following:"
echo `echo ${options} | tr ':' '\012' | grep '^'${opt}`
echo ${short_usage}
exit 1
;;
*:${opt}*:* ) # Unambigous prefix.
optvar=`echo ${options} | sed 's/^.*:\('${opt}'[^:]*\):.*$/\1/'`
;;
* )
(echo "\`-${opt}' is not a valid option."
echo "${short_usage}") | more
exit 1
;;
esac
case "${optvar}" in
usage | help)
echo "${usage_message}" | more
exit 1
;;
esac
# If the variable is supposed to be boolean, make sure the value
# given is either "yes" or "no". If not, make sure some value
# was given.
case "${boolean_opts}" in
*:${optvar}:* )
case "${val}" in
y | ye | yes ) val=yes ;;
n | no ) val=no ;;
* )
echo "The \`-${optvar}' option (\`-${opt}') is supposed to have a boolean
value - set it to either \`yes' or \`no'." 1>&2
exit 1
;;
esac
;;
*)
if [ "${valomitted}" = "yes" ]; then
(echo "${progname}: You must give a value for the \`-${opt}' option, as in
\`-${opt}=FOO'."
echo "${short_usage}") | more
exit 1
fi
;;
esac
eval "${optvar}=\"${val}\""
;;
*)
machine=${arg}
;;
esac
done
if [ "${machine}" = "" ]; then
(echo "You must specify a machine name as an argument to ${progname}."
echo "${short_usage}") | more
exit 1
fi
echo "Checking machine..."
machfile="m/${machine}.h"
if [ ! -r src/${machfile} ]; then
echo "${progname}: Emacs has no configuration info for the machine called
\`${machine}'. Look at etc/MACHINES for the names of machines
that Emacs has been ported to." 1>&2
exit 1
fi
echo "Checking operating system..."
if [ "${opsystem}" = "" ]; then
echo " No operating system explicitly specified."
echo " Guessing, based on machine..."
# Get the default operating system to go with the specified machine.
opsystem=`grep 'USUAL-OPSYS="' src/${machfile} \
| sed 's/^.*USUAL-OPSYS="\([^"]*\)".*$/\1/'`
if [ "${opsystem}" = "" ]; then
echo "${progname}: Emacs's configuration files don't suggest what operating
system a \`${machine}' machine might run. Try specifying the
operating system explicitly by passing ${progname} an
\`-opsystem=SYSTEM-NAME' flag. Look at etc/MACHINES for the
names of operating systems that Emacs has been ported to." 1>&2
exit 1
fi
if [ "${opsystem}" = "note" ]; then
echo "The \`${machine}' machine can be used with more than one operating
system, and Emacs's configuration info isn't clever enough to figure
out which one you're running. Run ${progname} with -machine and
-opsystem arguments as specified below for the appropriate system.
(This information comes from the file \`etc/MACHINES' - see that
file for more detail.)
" 1>&2
sed < src/${machfile} -e '1,/NOTE-START/d' -e '/NOTE-END/,$d' | more
echo
exit 1
fi
opsysfile="s/${opsystem}.h"
if [ ! -r src/${opsysfile} ]; then
echo "${progname}: Emacs's configuration files say that the default
operating system for the machine \`${machine}' is \`${opsystem}',
but there is no configuration file for \`${opsystem}', so Emacs's
default info is screwed up. Try specifying the operating system
explicitly by passing ${progname} an \`-opsystem=SYSTEM-NAME' flag." 1>&2
exit 1
fi
else
opsysfile="s/${opsystem}.h"
if [ ! -r src/${opsysfile} ]; then
echo "${progname}: Emacs has no configuration info for the operating system
\`${opsystem}'. Look at etc/MACHINES for the names of operating
systems that Emacs has been ported to." 1>&2
exit 1
fi
fi
if [ "${libroot}" = "" ]; then
echo "Guessing library directory..."
libroot=`/bin/pwd`
fi
echo "Checking window system..."
window_system="`echo ${window_system} | tr A-Z a-z`"
case "${window_system}" in
"none" | "x11" | "x10" ) ;;
"x" ) window_system=x11 ;;
"" )
echo " No window system specifed. Looking for X Windows."
window_system=none
if [ -r /usr/lib/libX11.a -a -d /usr/include/X11 ]; then
window_system=x11
fi
;;
* )
echo "The \`-window_system' option must be set to \`none' or \`X11'." 1>&2
exit 1
;;
esac
case "${window_system}" in
x11 )
have_x_windows=yes
have_x11=yes
;;
x10 )
have_x_windows=yes
have_x11=no
;;
none )
have_x_windows=no
have_x11=no
;;
esac
# What is the return type of a signal handler? We grep
# /usr/include/signal.h for the declaration of the signal function.
# Yuck.
echo "Looking for return type of signal handler functions..."
if [ -r /usr/include/signal.h ]; then
sigpattern='[ ]*([ ]*\*[ ]*signal[ ]*('
sigtype=void
if grep -s "int${sigpattern}" /usr/include/signal.h; then
sigtype=int
fi
fi
# Do the opsystem or machine files prohibit the use of the GNU malloc?
echo "Checking to see if the GNU malloc routines are permissible..."
if (cd ./src;grep SYSTEM_MALLOC ${opsysfile} ${machfile} > /dev/null); then
gnu_malloc=no
gnu_malloc_reason="
(The GNU allocators don't work with this machine and/or operating system.)"
fi
rel_alloc=${gnu_malloc}
if [ "${have_x_menu}" = "" ]; then
have_x_menu=no
fi
if [ "${lisppath}" = "" ]; then
lisppath=${libroot}/local-lisp:${libroot}/lisp
fi
if [ "${datadir}" = "" ]; then
datadir=${libroot}/etc
fi
if [ "${libdir}" = "" ]; then
libdir=${libroot}/arch-lib
fi
if [ "${lockdir}" = "" ]; then
lockdir=${libroot}/lock
fi
echo "Checking for GCC..."
case "${cc}" in
"" )
temppath=`echo $PATH | sed 's/^:/.:/
s/::/:.:/g
s/:$/:./
s/:/ /g'`
cc=`(
for dir in ${temppath}; do
if [ -f ${dir}/gcc ]; then echo gcc; exit 0; fi
done
echo cc
)`
;;
esac
case "${O},${g},${cc}" in
,,gcc ) O=yes; g=yes ;;
,,* ) O=yes; g=no ;;
esac
echo "Guessing which libraries the lib-src programs will want,"
echo " based on the machine- and system-dependent files..."
echo '#include "src/'${machfile}'"
#include "src/'${opsysfile}'"
#ifndef LIBS_MACHINE
#define LIBS_MACHINE
#endif
#ifndef LIBS_SYSTEM
#define LIBS_SYSTEM
#endif
libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
' > config-tmp-$$.c
eval `${cc} -E config-tmp-$$.c | grep 'libsrc_libs='`
rm config-tmp-$$.c
rm -f config.status
set -e
# Make the proper settings in the config file.
echo "Making src/config.h from src/config.h-dist"
if [ "${highpri}" != "" ]; then
highpri="(-${highpri})"
fi
case "${g}" in
"yes" ) c_switch_site="${c_switch_site} -g" ;;
esac
case "${O}" in
"yes" ) c_switch_site="${c_switch_site} -O" ;;
esac
sed_flags="-e 's:@machine@:${machfile}:'"
sed_flags="${sed_flags} -e 's:@opsystem@:${opsysfile}:'"
for flag in `echo ${config_h_opts} | tr ':' ' '`; do
cflagname=`echo ${flag} | tr a-z A-Z`
val=`eval echo '$'${flag}`
case ${val} in
no | "")
f="-e 's:.*#define ${cflagname}.*:/\\* #define ${cflagname} \\*/:'"
;;
yes)
f="-e 's:.*#define ${cflagname}.*:#define ${cflagname}:'"
;;
*)
f="-e 's:.*#define ${cflagname}.*:#define ${cflagname} ${val}:'"
;;
esac
sed_flags="${sed_flags} ${f}"
done
eval '/bin/sed '${sed_flags}' < src/config.h-dist > src/config.h'
# Modify the parameters in the top makefile.
echo "Editing ./Makefile..."
tempMakefile="tempMakefile"$$
/bin/sed < Makefile > ${tempMakefile} \
-e 's;^\(LIBROOT=\).*$;\1'"${libroot};" \
-e 's;^\(INSTALLBIN=\).*$;\1'"${installbin};" \
-e 's;^\(LISPPATH=\).*$;\1'"${lisppath};" \
-e 's;^\(DATADIR=\).*$;\1'"${datadir};" \
-e 's;^\(LOCKDIR=\).*$;\1'"${lockdir};" \
-e 's;^\(LIBDIR=\).*$;\1'"${libdir};"
mv ${tempMakefile} Makefile
# Modify the parameters in the `build-install' script.
echo "Editing ./build-install..."
tempbi="tempbi"$$
/bin/sed < build-install > ${tempbi} \
-e 's;^\(LIBROOT=\).*$;\1'"${libroot};" \
-e 's;^\(BINDIR=\).*$;\1'"${installbin};" \
-e 's;^\(LISPPATH=\).*$;\1'"${lisppath};" \
-e 's;^\(DATADIR=\).*$;\1'"${datadir};" \
-e 's;^\(LOCKDIR=\).*$;\1'"${lockdir};" \
-e 's;^\(LIBDIR=\).*$;\1'"${libdir};"
mv ${tempbi} build-install
chmod a+x build-install
# Modify the parameters in the src makefile.
echo "Editing src/Makefile..."
tempMakefile="tempMakefile"$$
/bin/sed < src/Makefile > ${tempMakefile} \
-e 's;^\(CC[ ]*=\).*$;\1'"${cc};"
mv ${tempMakefile} src/Makefile
# Modify the parameters in the lib-src makefile.
echo "Editing lib-src/Makefile..."
tempMakefile="tempMakefile"$$
/bin/sed < lib-src/Makefile > ${tempMakefile} \
-e 's;^\(CFLAGS=\).*$;\1'"${c_switch_site};" \
-e 's;^\(LOADLIBES=\).*$;\1'"${libsrc_libs};" \
-e 's;^\(CC=\).*$;\1'"${cc};"
mv ${tempMakefile} lib-src/Makefile
# Document the damage we have done.
echo
echo "Configured for machine \`${machine}' running \`${opsystem}'.
The following values have been set in ./Makefile and ./build-install:
Executables will be placed in
${installbin}.
Emacs's lisp search path will be
\`${lisppath}'.
Emacs will look for its architecture-independent data in
${datadir}.
Emacs will look for its utility programs and other architecture-
dependent data in
${libdir}.
Emacs will keep track of file-locking in
${lockdir}.
The following values have been set in src/config.h:
At how much higher than normal priority should Emacs run? ${highpri-none}
Should Emacs use the GNU version of malloc? ${gnu_malloc}${gnu_malloc_reason}
Should Emacs use the relocating allocator for buffers? ${rel_alloc}
Should Emacs support a floating point Elisp type? ${lisp_float_type}
What window system should Emacs use? ${window_system}
Should Emacs support mouse menus, which require X11? ${have_x_menu}
What compiler should emacs be built with? ${cc}
Should the compilation use \`-g' and/or \`-O'? ${c_switch_site- neither}" \
| tee config.status 1>&2
exit 0
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