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+?RCS: $Id: Cppsym.U,v 3.0.1.5 1995/05/12 11:59:11 ram Exp $
+?RCS:
+?RCS: Copyright (c) 1991-1993, Raphael Manfredi
+?RCS:
+?RCS: You may redistribute only under the terms of the Artistic Licence,
+?RCS: as specified in the README file that comes with the distribution.
+?RCS: You may reuse parts of this distribution only within the terms of
+?RCS: that same Artistic Licence; a copy of which may be found at the root
+?RCS: of the source tree for dist 3.0.
+?RCS:
+?RCS: $Log: Cppsym.U,v $
+?RCS: Revision 3.0.1.5 1995/05/12 11:59:11 ram
+?RCS: patch54: split awk command onto two lines for older awks (ADO)
+?RCS:
+?RCS: Revision 3.0.1.4 1995/01/11 14:55:57 ram
+?RCS: patch45: new cc vs. cpp symbol checking suggested by JHI
+?RCS: patch45: added more cpp symbols (JHI)
+?RCS:
+?RCS: Revision 3.0.1.3 1994/10/29 15:51:32 ram
+?RCS: patch36: added ?F: line for metalint file checking
+?RCS: patch36: new symbols ardent and titan (ADO)
+?RCS:
+?RCS: Revision 3.0.1.2 1994/06/20 06:53:32 ram
+?RCS: patch30: extended cpp symbol lookup list (JHI)
+?RCS: patch30: renamed attrlist symbol into al for brevity
+?RCS:
+?RCS: Revision 3.0.1.1 1993/12/15 08:14:14 ram
+?RCS: patch15: added new cpp symbols __bsdi__ and BSD_NET2
+?RCS:
+?RCS: Revision 3.0 1993/08/18 12:04:50 ram
+?RCS: Baseline for dist 3.0 netwide release.
+?RCS:
+?X:
+?X: This unit produces a shell script called Cppsym, which can be used to
+?X: determine whether any in a list of symbols is defined by the C compilation
+?X: chain (C preprocessor symbols plus C compiler native ones).
+?X: It can determine the status of any symbol, though the symbols in $al
+?X: are more easily determined. If you want to add to $al you can do
+?X: it in Myinit.U.
+?X:
+?MAKE:Cppsym: eunicefix Guess cppstdin awk cat tr sed sort grep rm startsh \
+ contains cppminus +cc +gccversion test comm uniq echo n c Options
+?MAKE: -pick add $@ %<
+?F:./Cppsym
+?T:sym list unknown status also symbols i
+?V:al
+?X:
+?X: The symbol list is in alpha order for ease of maintenance...
+?X:
+?X: Lots of new symbols (mostly rummaged from gcc), courtesy of
+?X: Jarkko Hietaniemi <jhi@snakemail.hut.fi> -- RAM, 06/06/94
+?X:
+?INIT:: list of known cpp symbols, sorted alphabetically
+?INIT:al="AMIX BIT_MSF BSD BSD4_3 BSD_NET2 CMU CRAY DGUX DOLPHIN DPX2"
+?INIT:al="$al GO32 GOULD_PN HP700 I386 I80960 I960 Lynx M68000 M68K MACH"
+?INIT:al="$al MIPSEB MIPSEL MSDOS MTXINU MULTIMAX MVS"
+?INIT:al="$al M_COFF M_I186 M_I286 M_I386 M_I8086 M_I86 M_I86SM"
+?INIT:al="$al M_SYS3 M_SYS5 M_SYSIII M_SYSV M_UNIX M_XENIX"
+?INIT:al="$al NeXT OCS88 OSF1 PARISC PC532 PORTAR POSIX"
+?INIT:al="$al PWB R3000 RES RISC6000 RT Sun386i SVR3 SVR4"
+?INIT:al="$al SYSTYPE_BSD SYSTYPE_SVR4 SYSTYPE_SYSV Tek4132 Tek4300"
+?INIT:al="$al UMAXV USGr4 USGr4_2 UTEK UTS UTek UnicomPBB UnicomPBD Utek"
+?INIT:al="$al VMS Xenix286"
+?INIT:al="$al _AIX _AIX32 _AIX370 _AM29000 _COFF _CRAY _CX_UX _EPI"
+?INIT:al="$al _IBMESA _IBMR2 _M88K _M88KBCS_TARGET"
+?INIT:al="$al _MIPSEB _MIPSEL _M_COFF _M_I86 _M_I86SM _M_SYS3"
+?INIT:al="$al _M_SYS5 _M_SYSIII _M_SYSV _M_UNIX _M_XENIX _NLS _PGC_ _R3000"
+?INIT:al="$al _SYSTYPE_BSD _SYSTYPE_BSD43 _SYSTYPE_SVR4"
+?INIT:al="$al _SYSTYPE_SYSV _SYSV3 _U370 _UNICOS"
+?INIT:al="$al __386BSD__ __BIG_ENDIAN __BIG_ENDIAN__ __BSD_4_4__"
+?INIT:al="$al __DGUX__ __DPX2__ __H3050R __H3050RX"
+?INIT:al="$al __LITTLE_ENDIAN __LITTLE_ENDIAN__ __MACH__"
+?INIT:al="$al __MIPSEB __MIPSEB__ __MIPSEL __MIPSEL__"
+?INIT:al="$al __Next__ __OSF1__ __PARAGON__ __PGC__ __PWB __STDC__"
+?INIT:al="$al __SVR4_2__ __UMAXV__"
+?INIT:al="$al ____386BSD____ __alpha __alpha__ __amiga"
+?INIT:al="$al __bsd4_2 __bsd4_2__ __bsdi__ __convex__"
+?INIT:al="$al __host_mips__"
+?INIT:al="$al __hp9000s200 __hp9000s300 __hp9000s400 __hp9000s500"
+?INIT:al="$al __hp9000s500 __hp9000s700 __hp9000s800"
+?INIT:al="$al __hppa __hpux __hp_osf __i286 __i286__ __i386 __i386__"
+?INIT:al="$al __i486 __i486__ __i860 __i860__ __ibmesa __ksr1__ __linux__"
+?INIT:al="$al __m68k __m68k__ __m88100__ __m88k __m88k__"
+?INIT:al="$al __mc68000 __mc68000__ __mc68020 __mc68020__"
+?INIT:al="$al __mc68030 __mc68030__ __mc68040 __mc68040__"
+?INIT:al="$al __mc88100 __mc88100__ __mips __mips__"
+?INIT:al="$al __motorola__ __osf__ __pa_risc __sparc__ __stdc__"
+?INIT:al="$al __sun __sun__ __svr3__ __svr4__ __ultrix __ultrix__"
+?INIT:al="$al __unix __unix__ __uxpm__ __uxps__ __vax __vax__"
+?INIT:al="$al _host_mips _mips _unix"
+?INIT:al="$al a29k aegis aix aixpc alliant alpha am29000 amiga ansi ardent"
+?INIT:al="$al apollo ardent att386 att3b"
+?INIT:al="$al bsd bsd43 bsd4_2 bsd4_3 bsd4_4 bsdi bull"
+?INIT:al="$al cadmus clipper concurrent convex cray ctix"
+?INIT:al="$al dmert encore gcos gcx gimpel gould"
+?INIT:al="$al hbullx20 hcx host_mips hp200 hp300 hp700 hp800"
+?INIT:al="$al hp9000 hp9000s300 hp9000s400 hp9000s500"
+?INIT:al="$al hp9000s700 hp9000s800 hp9k8 hppa hpux"
+?INIT:al="$al i186 i286 i386 i486 i8086"
+?INIT:al="$al i80960 i860 iAPX286 ibm ibm032 ibmrt interdata is68k"
+?INIT:al="$al ksr1 linux luna luna88k m68k m88100 m88k"
+?INIT:al="$al mc300 mc500 mc68000 mc68010 mc68020 mc68030"
+?INIT:al="$al mc68040 mc68060 mc68k mc68k32 mc700"
+?INIT:al="$al mc88000 mc88100 merlin mert mips mvs n16"
+?INIT:al="$al ncl_el ncl_mr"
+?INIT:al="$al news1500 news1700 news1800 news1900 news3700"
+?INIT:al="$al news700 news800 news900 ns16000 ns32000"
+?INIT:al="$al ns32016 ns32332 ns32k nsc32000 os osf"
+?INIT:al="$al parisc pc532 pdp11 plexus posix pyr"
+?INIT:al="$al riscix riscos scs sequent sgi sinix sony sony_news"
+?INIT:al="$al sonyrisc sparc sparclite spectrum stardent stratos"
+?INIT:al="$al sun sun3 sun386 svr4 sysV68 sysV88"
+?INIT:al="$al titan tower tower32 tower32_200 tower32_600 tower32_700"
+?INIT:al="$al tower32_800 tower32_850 tss u370 u3b u3b2 u3b20 u3b200"
+?INIT:al="$al u3b20d u3b5 ultrix unix unixpc unos vax venix vms"
+?INIT:al="$al xenix z8000"
+?INIT:
+: get C preprocessor symbols handy
+echo " "
+$echo $n "Hmm... $c"
+?X: The following used to be tr '[ - ]' ... but this was rejected by AIX 3.2
+?X: since the endpoints where the same (from patch 12u8 to patch).
+echo $al | $tr ' ' '\012' >Cppsym.know
+$cat <<EOSS >Cppsym
+$startsh
+case "\$1" in
+-l) list=true
+ shift
+ ;;
+esac
+unknown=''
+case "\$list\$#" in
+1|2)
+ for sym do
+ if $contains "^\$1$" Cppsym.true >/dev/null 2>&1; then
+ exit 0
+ elif $contains "^\$1$" Cppsym.know >/dev/null 2>&1; then
+ :
+ else
+ unknown="\$unknown \$sym"
+ fi
+ done
+ set X \$unknown
+ shift
+ ;;
+esac
+case \$# in
+0) exit 1;;
+esac
+echo \$* | $tr ' ' '\012' | $sed -e 's/\(.*\)/\\
+#ifdef \1\\
+exit 0; _ _ _ _\1\\ \1\\
+#endif\\
+/' >Cppsym\$\$
+echo "exit 1; _ _ _" >>Cppsym\$\$
+$cppstdin $cppminus <Cppsym\$\$ | $grep '^exit [01]; _ _' >Cppsym2\$\$
+case "\$list" in
+true) $awk 'NF > 5 {print substr(\$6,2,100)}' <Cppsym2\$\$ ;;
+*)
+ sh Cppsym2\$\$
+ status=\$?
+ ;;
+esac
+$rm -f Cppsym\$\$ Cppsym2\$\$
+exit \$status
+EOSS
+chmod +x Cppsym
+$eunicefix Cppsym
+./Cppsym -l $al | $sort | $grep -v '^$' >Cppsym.true
+
+: now check the C compiler for additional symbols
+?X: suggested by Jarkko Hietaniemi <jhi@snakemail.hut.fi>, thanks!
+$cat >ccsym <<EOS
+$startsh
+$cat >tmp.c <<EOF
+extern int foo;
+EOF
+for i in \`$cc -v -c tmp.c 2>&1\`
+do
+ case "\$i" in
+ -D*) echo "\$i" | $sed 's/^-D//';;
+ -A*) $test "$gccversion" && echo "\$i" | $sed 's/^-A\(.*\)(\(.*\))/\1=\2/';;
+ esac
+done
+$rm -f try.c
+EOS
+chmod +x ccsym
+$eunicefix ccsym
+./ccsym | $sort | $uniq >ccsym.raw
+?X: canonicalize symbols for easier sort/uniq/comm usage: append =1 if no = sign
+?X: the awk script must be on two lines for older awk programs, sigh! -- ADO
+$awk '/\=/ { print $0; next }
+ { print $0"=1" }' ccsym.raw >ccsym.list
+$awk '{ print $0"=1" }' Cppsym.true >ccsym.true
+$comm -13 ccsym.true ccsym.list >ccsym.own
+$comm -12 ccsym.true ccsym.list >ccsym.com
+$comm -23 ccsym.true ccsym.list >ccsym.cpp
+also=''
+symbols='symbols'
+if $test -z ccsym.raw; then
+ echo "Your C compiler doesn't seem to define any symbol!" >&4
+ echo " "
+ echo "However, your C preprocessor defines the following ones:"
+ $cat Cppsym.true
+else
+ if $test -s ccsym.com; then
+ echo "Your C compiler and pre-processor define these symbols:"
+ $sed -e 's/\(.*\)=.*/\1/' ccsym.com
+ also='also '
+ symbols='ones'
+ $test "$silent" || sleep 1
+ fi
+ if $test -s ccsym.cpp; then
+ $test "$also" && echo " "
+ echo "Your C pre-processor ${also}defines the following $symbols:"
+ $sed -e 's/\(.*\)=.*/\1/' ccsym.cpp
+ also='further '
+ $test "$silent" || sleep 1
+ fi
+ if $test -s ccsym.own; then
+ $test "$also" && echo " "
+ echo "Your C compiler ${also}defines the following cpp variables:"
+ $sed -e 's/\(.*\)=1/\1/' ccsym.own
+ $sed -e 's/\(.*\)=.*/\1/' ccsym.own | $uniq >>Cppsym.true
+ $test "$silent" || sleep 1
+ fi
+fi
+$rm -f ccsym*
+
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