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|
#! /bin/sh
# Convert templates into Makefile and config.c, based on the module
# definitions found in the file Setup.
#
# Usage: makesetup [-s dir] [-c file] [-m file] [Setup] ... [-n [Setup] ...]
#
# Options:
# -s directory: alternative source directory (default derived from $0)
# -c file: alternative config.c template (default $srcdir/config.c.in)
# -c -: don't write config.c
# -m file: alternative Makefile template (default ./Makefile.pre)
# -m -: don't write Makefile
#
# Remaining arguments are one or more Setup files (default ./Setup).
# Setup files after a -n option are used for their variables, modules
# and libraries but not for their .o files.
#
# See Setup.in for a description of the format of the Setup file.
#
# The following edits are made:
#
# Copying config.c.in to config.c:
# - insert an identifying comment at the start
# - for each <module> mentioned in Setup before *noconfig*:
# + insert 'extern void init<module>();' before MARKER 1
# + insert '{"<module>", initmodule},' before MARKER 2
#
# Copying Makefile.pre to Makefile:
# - insert an identifying comment at the start
# - replace _MODOBJS_ by the list of objects from Setup (except for
# Setup files after a -n option)
# - replace _MODLIBS_ by the list of libraries from Setup
# - for each object file mentioned in Setup, append a rule
# '<file>.o: <file>.c; <build commands>' to the end of the Makefile
# - for each module mentioned in Setup, append a rule
# which creates a shared library version to the end of the Makefile
# - for each variable definition found in Setup, insert the definition
# before the comment 'Definitions added by makesetup'
# Loop over command line options
usage='
usage: makesetup [-s srcdir] [-c config.c.in] [-m Makefile.pre]
[Setup] ... [-n [Setup] ...]'
srcdir=''
config=''
makepre=''
noobjects=''
doconfig=yes
while :
do
case $1 in
-s) shift; srcdir=$1; shift;;
-c) shift; config=$1; shift;;
-m) shift; makepre=$1; shift;;
--) shift; break;;
-n) noobjects=yes;;
-*) echo "$usage" 1>&2; exit 2;;
*) break;;
esac
done
# Set default srcdir and config if not set by command line
# (Not all systems have dirname)
case $srcdir in
'') case $0 in
*/*) srcdir=`echo $0 | sed 's,/[^/]*$,,'`;;
*) srcdir=.;;
esac;;
esac
case $config in
'') config=$srcdir/config.c.in;;
esac
case $makepre in
'') makepre=Makefile.pre;;
esac
# Newline for sed i and a commands
NL='\
'
# Main loop
for i in ${*-Setup}
do
case $i in
-n) echo '*noobjects*';;
*) echo '*doconfig*'; cat "$i";;
esac
done |
sed -e 's/[ ]*#.*//' -e '/^[ ]*$/d' |
(
rulesf="@rules.$$"
trap 'rm -f $rulesf' 0 1 2 3
echo "
# Rules appended by makedepend
" >$rulesf
DEFS=
MODS=
SHAREDMODS=
OBJS=
LIBS=
LOCALLIBS=
BASELIBS=
while read line
do
# Output DEFS in reverse order so first definition overrides
case $line in
*=*) DEFS="$line$NL$DEFS"; continue;;
'include '*) DEFS="$line$NL$DEFS"; continue;;
'*noobjects*')
case $noobjects in
yes) ;;
*) LOCALLIBS=$LIBS; LIBS=;;
esac
noobjects=yes;
continue;;
'*doconfig*') doconfig=yes; continue;;
'*static*') doconfig=yes; continue;;
'*noconfig*') doconfig=no; continue;;
'*shared*') doconfig=no; continue;;
esac
srcs=
cpps=
libs=
mods=
skip=
for arg in $line
do
case $skip in
libs) libs="$libs $arg"; skip=; continue;;
cpps) cpps="$cpps $arg"; skip=; continue;;
srcs) srcs="$srcs $arg"; skip=; continue;;
esac
case $arg in
-[IDUC]*) cpps="$cpps $arg";;
-[A-Zl]*) libs="$libs $arg";;
*.a) libs="$libs $arg";;
*.so) libs="$libs $arg";;
*.sl) libs="$libs $arg";;
*.o) srcs="$srcs `basename $arg .o`.c";;
*.[cC]) srcs="$srcs $arg";;
*.cc) srcs="$srcs $arg";;
*.c++) srcs="$srcs $arg";;
*.cxx) srcs="$srcs $arg";;
*.cpp) srcs="$srcs $arg";;
\$*) libs="$libs $arg"
cpps="$cpps $arg";;
*.*) echo 1>&2 "bad word $arg in $line"
exit 1;;
-u) skip=libs; libs="$libs -u";;
[a-zA-Z_]*) mods="$mods $arg";;
*) echo 1>&2 "bad word $arg in $line"
exit 1;;
esac
done
case $doconfig in
yes)
LIBS="$LIBS $libs"
MODS="$MODS $mods"
;;
esac
case $noobjects in
yes) continue;;
esac
objs=''
for src in $srcs
do
case $src in
*.c) obj=`basename $src .c`.o; cc='$(CC)';;
*.cc) obj=`basename $src .cc`.o; cc='$(CCC)';;
*.c++) obj=`basename $src .c++`.o; cc='$(CCC)';;
*.C) obj=`basename $src .C`.o; cc='$(CCC)';;
*) continue;;
esac
objs="$objs $obj"
case $src in
glmodule.c) ;;
*) src='$(srcdir)/'$src;;
esac
case $doconfig in
no) cc="$cc \$(CCSHARED)";;
esac
rule="$obj: $src; $cc \$(CFLAGS) $cpps -c $src"
echo "$rule" >>$rulesf
done
case $doconfig in
yes) OBJS="$OBJS $objs";;
esac
for mod in $mods
do
case $objs in
*$mod.o*) base=$mod;;
*) base=${mod}module;;
esac
file="$base\$(SO)"
case $doconfig in
no) SHAREDMODS="$SHAREDMODS $file";;
esac
rule="$file: $objs"
rule="$rule; \$(LDSHARED) $objs $libs -o $file"
echo "$rule" >>$rulesf
done
done
case $SHAREDMODS in
'') ;;
*) DEFS="SHAREDMODS=$SHAREDMODS$NL$DEFS";;
esac
case $noobjects in
yes) BASELIBS=$LIBS;;
*) LOCALLIBS=$LIBS;;
esac
LIBS='$(LOCALMODLIBS) $(BASEMODLIBS)'
DEFS="BASEMODLIBS=$BASELIBS$NL$DEFS"
DEFS="LOCALMODLIBS=$LOCALLIBS$NL$DEFS"
EXTDECLS=
INITBITS=
for mod in $MODS
do
EXTDECLS="${EXTDECLS}extern void init$mod();$NL"
INITBITS="${INITBITS} {\"$mod\", init$mod},$NL"
done
case $config in
-) ;;
*) sed -e "
1i$NL/* Generated automatically from $config by makesetup. */
/MARKER 1/i$NL$EXTDECLS
/MARKER 2/i$NL$INITBITS
" $config >config.c
;;
esac
case $makepre in
-) ;;
*) sedf="@sed.in.$$"
trap 'rm -f $sedf' 0 1 2 3
echo "1i\\" >$sedf
str="# Generated automatically from $makepre by makesetup."
echo "$str" >>$sedf
echo "s%_MODOBJS_%$OBJS%" >>$sedf
echo "s%_MODLIBS_%$LIBS%" >>$sedf
echo "/Definitions added by makesetup/a$NL$NL$DEFS" >>$sedf
sed -f $sedf $makepre >Makefile
cat $rulesf >>Makefile
rm -f $sedf
;;
esac
rm -f $rulesf
)
|
