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