[metaconfig.git] / U / modified / Cppsym.U

?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 ccsymbols cppsymbols cppccsymbols: \
	eunicefix Guess awk cat tr sed sort rm startsh osname exe_ext \
	+cc +gccversion test comm uniq echo Options trnl \
	optimize ccflags ldflags libs
?MAKE:	-pick add $@ %<
?T:also symbols i postprocess_cc_v
?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:
?S:ccsymbols:
?S:	The variable contains the symbols defined by the C compiler alone.
?S:	The symbols defined by cpp or by cc when it calls cpp are not in
?S:	this list, see cppsymbols and cppccsymbols.
?S:	The list is a space-separated list of symbol=value tokens.
?S:.
?S:cppsymbols:
?S:	The variable contains the symbols defined by the C preprocessor
?S:	alone.  The symbols defined by cc or by cc when it calls cpp are
?S:	not in this list, see ccsymbols and cppccsymbols.
?S:	The list is a space-separated list of symbol=value tokens.
?S:.
?S:cppccsymbols:
?S:	The variable contains the symbols defined by the C compiler
?S:	when it calls cpp.  The symbols defined by the cc alone or cpp
?S:	alone are not in this list, see ccsymbols and cppsymbols.
?S:	The list is a space-separated list of symbol=value tokens.
?S:.
?F:./Cppsym
?F:!Cppsym.true
?F:!ccsym.com
?F:!ccsym.cpp
?F:!ccsym.own
?X: fake LINT hints
?LINT:change cc
?LINT:change exe_ext
?LINT:change optimize
?LINT:change ccflags
?LINT:change ldflags
?LINT:change libs
?LINT:extern s
?LINT:change s
?LINT:extern s__
?LINT:change s__
echo " "
$echo "Guessing which symbols your C compiler and preprocessor define..." >&4 
?X: If your symbol is mixed case, just add it as-is.
?X: All symbols will be transformed to both all-lower and all-upper.
?X: Also drop any leading/trailing underscores, the scan will try all those.
$cat <<'EOSH' > Cppsym.know
a29k ABI64 aegis AES_SOURCE AIX AIX32 AIX370
AIX41 AIX42 AIX43 AIX_SOURCE aixpc ALL_SOURCE
alliant alpha am29000 AM29000 amiga AMIGAOS AMIX
ansi ANSI_C_SOURCE apollo ardent atarist att386 att3b BeOS
BIG_ENDIAN BIT_MSF bsd BSD bsd43 bsd4_2 bsd4_3 BSD4_3 bsd4_4
BSD_4_3 BSD_4_4 BSD_NET2 BSD_TIME BSD_TYPES BSDCOMPAT bsdi
bull c cadmus clipper CMU COFF COMPILER_VERSION
concurrent convex cpu cray CRAY CRAYMPP ctix CX_UX
CYGWIN DGUX DGUX_SOURCE DJGPP dmert DOLPHIN DPX2 DSO
Dynix DynixPTX ELF encore EPI EXTENSIONS FILE_OFFSET_BITS
FreeBSD GCC_NEW_VARARGS gcos gcx gimpel
GNU_SOURCE GNUC GNUC_MINOR GO32 gould GOULD_PN
H3050R H3050RX hbullx20 hcx host_mips
hp200 hp300 hp700 HP700 hp800 hp9000
hp9000s200 hp9000s300 hp9000s400 hp9000s500
hp9000s700 hp9000s800 hp9k8 hp_osf hppa hpux HPUX_SOURCE
i186 i286 i386 i486 i586 i686 i8086 i80960 i860 I960
iAPX286 ibm ibm032 ibmesa IBMR2 ibmrt ILP32 ILP64
INLINE_INTRINSICS INTRINSICS INT64 interdata is68k ksr1
LANGUAGE_C LARGE_FILE_API LARGEFILE64_SOURCE
LARGEFILE_SOURCE LFS64_LARGEFILE LFS_LARGEFILE
Linux LITTLE_ENDIAN LONG64 LONG_DOUBLE LONG_LONG
LONGDOUBLE LONGLONG LP64 luna luna88k Lynx
M68000 m68k m88100 m88k M88KBCS_TARGET M_COFF
M_I186 M_I286 M_I386 M_I8086 M_I86 M_I86SM M_SYS3
M_SYS5 M_SYSIII M_SYSV M_UNIX M_XENIX MACH machine MachTen
MATH_HAS_NO_SIDE_EFFECTS
mc300 mc500 mc68000 mc68010 mc68020 mc68030 mc68040
mc68060 mc68k mc68k32 mc700 mc88000 mc88100 merlin
mert MiNT mips MIPS_FPSET MIPS_ISA MIPS_SIM MIPS_SZINT
MIPS_SZLONG MIPS_SZPTR MIPSEB MIPSEL MODERN_C motorola
mpeix MSDOS MTXINU MULTIMAX mvs MVS n16 ncl_el ncl_mr
NetBSD news1500 news1700 news1800 news1900 news3700
news700 news800 news900 NeXT NLS ns16000 ns32000
ns32016 ns32332 ns32k nsc32000
OCS88 OEMVS OpenBSD os OS2 OS390 osf OSF1 OSF_SOURCE
pa_risc PA_RISC1_1 PA_RISC2_0 PARAGON parisc
pc532 pdp11 PGC PIC plexus PORTAR posix
POSIX1B_SOURCE POSIX2_SOURCE POSIX4_SOURCE
POSIX_C_SOURCE POSIX_SOURCE POWER
PROTOTYPES PWB pyr QNX R3000 REENTRANT RES Rhapsody RISC6000
riscix riscos RT scs SCO sequent sgi SGI_SOURCE sinix
SIZE_INT SIZE_LONG SIZE_PTR SOCKET_SOURCE SOCKETS_SOURCE
sony sony_news sonyrisc sparc sparclite spectrum
stardent stdc STDC_EXT stratos sun sun3 sun386
Sun386i svr3 svr4 SVR4_2 SVR4_SOURCE svr5
SX system SYSTYPE_BSD SYSTYPE_BSD43 SYSTYPE_BSD44
SYSTYPE_SVR4 SYSTYPE_SVR5 SYSTYPE_SYSV SYSV SYSV3 SYSV4 SYSV5
sysV68 sysV88 Tek4132 Tek4300 titan
tower tower32 tower32_200 tower32_600 tower32_700
tower32_800 tower32_850 tss
u370 u3b u3b2 u3b20 u3b200 u3b20d u3b5
ultrix UMAXV UnicomPBB UnicomPBD UNICOS UNICOSMK
unix UNIX95 UNIX99 unixpc unos USGr4 USGr4_2
Utek UTek UTS UWIN uxpm uxps vax venix VMESA vms xenix Xenix286
XOPEN_SOURCE XOPEN_SOURCE_EXTENDED XPG2 XPG2_EXTENDED
XPG3 XPG3_EXTENDED XPG4 XPG4_EXTENDED
z8000
EOSH
# Maybe put other stuff here too.
cat <<EOSH >>Cppsym.know
$osname
EOSH
./tr '[a-z]' '[A-Z]' < Cppsym.know > Cppsym.a
./tr '[A-Z]' '[a-z]' < Cppsym.know > Cppsym.b
$cat Cppsym.know > Cppsym.c
$cat Cppsym.a Cppsym.b Cppsym.c | $tr ' ' $trnl | sort | uniq > Cppsym.know
$rm -f Cppsym.a Cppsym.b Cppsym.c
cat <<EOSH > Cppsym
$startsh
if $test \$# -gt 0; then
    echo \$* | $tr " " "$trnl" | ./Cppsym.try > Cppsym.got
    if $test -s Cppsym.got; then
        $rm -f Cppsym.got
        exit 0
    fi
    $rm -f Cppsym.got
    exit 1
else
    $tr " " "$trnl" | ./Cppsym.try
    exit 0
fi
EOSH
chmod +x Cppsym
$eunicefix Cppsym
?X: The below awk script will die a horrible death if
?X: some of the tested symbols are not long ints.
?X: Also, we do not make difference between just defined and defined zero.
cat <<EOSH > Cppsym.try
$startsh
cat <<'EOCP' > try.c
#include <stdio.h>
int main() {
EOCP
?X: The length($1) command guards against possible empty entries.
?X: The awk snippet is know to give heartburn to UNICOS/mk awk.
$awk \\
EOSH
cat <<'EOSH' >> Cppsym.try
'length($1) > 0 {
    printf "#ifdef %s\n#if %s+0\nprintf(\"%s=%%ld\\n\", %s);\n#else\nprintf(\"%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1
    printf "#ifdef _%s\n#if _%s+0\nprintf(\"_%s=%%ld\\n\", _%s);\n#else\nprintf(\"_%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1
    printf "#ifdef __%s\n#if __%s+0\nprintf(\"__%s=%%ld\\n\", __%s);\n#else\nprintf(\"__%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1
    printf "#ifdef __%s__\n#if __%s__+0\nprintf(\"__%s__=%%ld\\n\", __%s__);\n#else\nprintf(\"__%s__\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1
}'	 >> try.c
echo '}' >> try.c
EOSH
cat <<EOSH >> Cppsym.try
ccflags="$ccflags"
case "$osname-$gccversion" in
irix-) ccflags="\$ccflags -woff 1178" ;;
os2-*) ccflags="\$ccflags -Zlinker /PM:VIO" ;;
esac
$cc -o try $optimize \$ccflags $ldflags try.c $libs && ./try$exe_ext
EOSH
chmod +x Cppsym.try
$eunicefix Cppsym.try
./Cppsym < Cppsym.know > Cppsym.true
: now check the C compiler for additional symbols
?X: suggested by Jarkko Hietaniemi <jhi@snakemail.hut.fi>, thanks!
postprocess_cc_v=''
case "$osname" in
aix) postprocess_cc_v="|$tr , ' '" ;;
esac
$cat >ccsym <<EOS
$startsh
$cat >tmp.c <<EOF
extern int foo;
EOF
for i in \`$cc -v -c tmp.c 2>&1 $postprocess_cc_v\`
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
postprocess_cc_v=''
chmod +x ccsym
$eunicefix ccsym
./ccsym > ccsym1.raw
?X: AIX complains if $uniq is passed an empty file.  ($sort apparently
?X: doesn't care.)  --AD  14 July 1998
if $test -s ccsym1.raw; then
       $sort ccsym1.raw | $uniq >ccsym.raw
else
       mv ccsym1.raw ccsym.raw
fi

?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; next }
	{ 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=''
if $test -z ccsym.raw; then
	echo "Your C compiler doesn't seem to define any symbols!" >&4
	echo " "
	echo "However, your C preprocessor defines the following symbols:"
	$cat Cppsym.true
    	ccsymbols=''
	cppsymbols=`$cat Cppsym.true`
        cppsymbols=`echo $cppsymbols`
	cppccsymbols="$cppsymbols"
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'
		cppccsymbols=`$cat ccsym.com`
		cppccsymbols=`echo $cppccsymbols`
		$test "$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 '
		cppsymbols=`$cat ccsym.cpp`
		cppsymbols=`echo $cppsymbols`
		$test "$silent" || sleep 1
	fi
	if $test -s ccsym.own; then
		$test "$also" && echo " "
		echo "Your C compiler ${also}defines the following cpp symbols:"
		$sed -e 's/\(..*\)=1/\1/' ccsym.own
		$sed -e 's/\(..*\)=.*/\1/' ccsym.own | $uniq >>Cppsym.true
	        ccsymbols=`$cat ccsym.own`
	        ccsymbols=`echo $ccsymbols`
		$test "$silent" || sleep 1
	fi
fi
$rm -f ccsym* Cppsym.*
Commit	Line	Data
959f3c4c JH	1	?RCS: $Id: Cppsym.U,v 3.0.1.5 1995/05/12 11:59:11 ram Exp $
	2	?RCS:
	3	?RCS: Copyright (c) 1991-1993, Raphael Manfredi
	4	?RCS:
	5	?RCS: You may redistribute only under the terms of the Artistic Licence,
	6	?RCS: as specified in the README file that comes with the distribution.
	7	?RCS: You may reuse parts of this distribution only within the terms of
	8	?RCS: that same Artistic Licence; a copy of which may be found at the root
	9	?RCS: of the source tree for dist 3.0.
	10	?RCS:
	11	?RCS: $Log: Cppsym.U,v $
	12	?RCS: Revision 3.0.1.5 1995/05/12 11:59:11 ram
	13	?RCS: patch54: split awk command onto two lines for older awks (ADO)
	14	?RCS:
	15	?RCS: Revision 3.0.1.4 1995/01/11 14:55:57 ram
	16	?RCS: patch45: new cc vs. cpp symbol checking suggested by JHI
	17	?RCS: patch45: added more cpp symbols (JHI)
	18	?RCS:
	19	?RCS: Revision 3.0.1.3 1994/10/29 15:51:32 ram
	20	?RCS: patch36: added ?F: line for metalint file checking
	21	?RCS: patch36: new symbols ardent and titan (ADO)
	22	?RCS:
	23	?RCS: Revision 3.0.1.2 1994/06/20 06:53:32 ram
	24	?RCS: patch30: extended cpp symbol lookup list (JHI)
	25	?RCS: patch30: renamed attrlist symbol into al for brevity
	26	?RCS:
	27	?RCS: Revision 3.0.1.1 1993/12/15 08:14:14 ram
	28	?RCS: patch15: added new cpp symbols __bsdi__ and BSD_NET2
	29	?RCS:
	30	?RCS: Revision 3.0 1993/08/18 12:04:50 ram
	31	?RCS: Baseline for dist 3.0 netwide release.
	32	?RCS:
	33	?X:
	34	?X: This unit produces a shell script called Cppsym, which can be used to
	35	?X: determine whether any in a list of symbols is defined by the C compilation
	36	?X: chain (C preprocessor symbols plus C compiler native ones).
	37	?X: It can determine the status of any symbol, though the symbols in $al
	38	?X: are more easily determined. If you want to add to $al you can do
	39	?X: it in Myinit.U.
	40	?X:
	41	?MAKE:Cppsym ccsymbols cppsymbols cppccsymbols: \
86b170fb	42	eunicefix Guess awk cat tr sed sort rm startsh osname exe_ext \
d088635c JH	43	+cc +gccversion test comm uniq echo Options trnl \
d088635c JH	44	optimize ccflags ldflags libs
959f3c4c	45	?MAKE: -pick add $@ %<
d088635c	46	?T:also symbols i postprocess_cc_v
959f3c4c JH	47	?X:
	48	?X: The symbol list is in alpha order for ease of maintenance...
	49	?X:
	50	?X: Lots of new symbols (mostly rummaged from gcc), courtesy of
	51	?X: Jarkko Hietaniemi <jhi@snakemail.hut.fi> -- RAM, 06/06/94
	52	?X:
959f3c4c JH	53	?S:ccsymbols:
959f3c4c JH	54	?S: The variable contains the symbols defined by the C compiler alone.
d7daf0d3 YST	55	?S: The symbols defined by cpp or by cc when it calls cpp are not in
d7daf0d3 YST	56	?S: this list, see cppsymbols and cppccsymbols.
959f3c4c JH	57	?S: The list is a space-separated list of symbol=value tokens.
	58	?S:.
	59	?S:cppsymbols:
d7daf0d3 YST	60	?S: The variable contains the symbols defined by the C preprocessor
	61	?S: alone. The symbols defined by cc or by cc when it calls cpp are
	62	?S: not in this list, see ccsymbols and cppccsymbols.
959f3c4c JH	63	?S: The list is a space-separated list of symbol=value tokens.
	64	?S:.
	65	?S:cppccsymbols:
d7daf0d3 YST	66	?S: The variable contains the symbols defined by the C compiler
	67	?S: when it calls cpp. The symbols defined by the cc alone or cpp
	68	?S: alone are not in this list, see ccsymbols and cppsymbols.
959f3c4c JH	69	?S: The list is a space-separated list of symbol=value tokens.
959f3c4c JH	70	?S:.
86b170fb	71	?F:./Cppsym
959f3c4c JH	72	?F:!Cppsym.true
	73	?F:!ccsym.com
	74	?F:!ccsym.cpp
	75	?F:!ccsym.own
d088635c JH	76	?X: fake LINT hints
	77	?LINT:change cc
	78	?LINT:change exe_ext
	79	?LINT:change optimize
	80	?LINT:change ccflags
	81	?LINT:change ldflags
	82	?LINT:change libs
	83	?LINT:extern s
	84	?LINT:change s
	85	?LINT:extern s__
	86	?LINT:change s__
959f3c4c	87	echo " "
ebebf7f4	88	$echo "Guessing which symbols your C compiler and preprocessor define..." >&4
86b170fb JH	89	?X: If your symbol is mixed case, just add it as-is.
	90	?X: All symbols will be transformed to both all-lower and all-upper.
	91	?X: Also drop any leading/trailing underscores, the scan will try all those.
762256f8 JH	92	$cat <<'EOSH' > Cppsym.know
	93	a29k ABI64 aegis AES_SOURCE AIX AIX32 AIX370
	94	AIX41 AIX42 AIX43 AIX_SOURCE aixpc ALL_SOURCE
	95	alliant alpha am29000 AM29000 amiga AMIGAOS AMIX
	96	ansi ANSI_C_SOURCE apollo ardent atarist att386 att3b BeOS
	97	BIG_ENDIAN BIT_MSF bsd BSD bsd43 bsd4_2 bsd4_3 BSD4_3 bsd4_4
	98	BSD_4_3 BSD_4_4 BSD_NET2 BSD_TIME BSD_TYPES BSDCOMPAT bsdi
	99	bull c cadmus clipper CMU COFF COMPILER_VERSION
	100	concurrent convex cpu cray CRAY CRAYMPP ctix CX_UX
	101	CYGWIN DGUX DGUX_SOURCE DJGPP dmert DOLPHIN DPX2 DSO
	102	Dynix DynixPTX ELF encore EPI EXTENSIONS FILE_OFFSET_BITS
	103	FreeBSD GCC_NEW_VARARGS gcos gcx gimpel
	104	GNU_SOURCE GNUC GNUC_MINOR GO32 gould GOULD_PN
	105	H3050R H3050RX hbullx20 hcx host_mips
	106	hp200 hp300 hp700 HP700 hp800 hp9000
	107	hp9000s200 hp9000s300 hp9000s400 hp9000s500
	108	hp9000s700 hp9000s800 hp9k8 hp_osf hppa hpux HPUX_SOURCE
	109	i186 i286 i386 i486 i586 i686 i8086 i80960 i860 I960
	110	iAPX286 ibm ibm032 ibmesa IBMR2 ibmrt ILP32 ILP64
	111	INLINE_INTRINSICS INTRINSICS INT64 interdata is68k ksr1
	112	LANGUAGE_C LARGE_FILE_API LARGEFILE64_SOURCE
	113	LARGEFILE_SOURCE LFS64_LARGEFILE LFS_LARGEFILE
	114	Linux LITTLE_ENDIAN LONG64 LONG_DOUBLE LONG_LONG
	115	LONGDOUBLE LONGLONG LP64 luna luna88k Lynx
	116	M68000 m68k m88100 m88k M88KBCS_TARGET M_COFF
	117	M_I186 M_I286 M_I386 M_I8086 M_I86 M_I86SM M_SYS3
	118	M_SYS5 M_SYSIII M_SYSV M_UNIX M_XENIX MACH machine MachTen
	119	MATH_HAS_NO_SIDE_EFFECTS
	120	mc300 mc500 mc68000 mc68010 mc68020 mc68030 mc68040
	121	mc68060 mc68k mc68k32 mc700 mc88000 mc88100 merlin
	122	mert MiNT mips MIPS_FPSET MIPS_ISA MIPS_SIM MIPS_SZINT
	123	MIPS_SZLONG MIPS_SZPTR MIPSEB MIPSEL MODERN_C motorola
	124	mpeix MSDOS MTXINU MULTIMAX mvs MVS n16 ncl_el ncl_mr
	125	NetBSD news1500 news1700 news1800 news1900 news3700
	126	news700 news800 news900 NeXT NLS ns16000 ns32000
	127	ns32016 ns32332 ns32k nsc32000
	128	OCS88 OEMVS OpenBSD os OS2 OS390 osf OSF1 OSF_SOURCE
	129	pa_risc PA_RISC1_1 PA_RISC2_0 PARAGON parisc
	130	pc532 pdp11 PGC PIC plexus PORTAR posix
	131	POSIX1B_SOURCE POSIX2_SOURCE POSIX4_SOURCE
	132	POSIX_C_SOURCE POSIX_SOURCE POWER
	133	PROTOTYPES PWB pyr QNX R3000 REENTRANT RES Rhapsody RISC6000
	134	riscix riscos RT scs SCO sequent sgi SGI_SOURCE sinix
	135	SIZE_INT SIZE_LONG SIZE_PTR SOCKET_SOURCE SOCKETS_SOURCE
	136	sony sony_news sonyrisc sparc sparclite spectrum
	137	stardent stdc STDC_EXT stratos sun sun3 sun386
	138	Sun386i svr3 svr4 SVR4_2 SVR4_SOURCE svr5
	139	SX system SYSTYPE_BSD SYSTYPE_BSD43 SYSTYPE_BSD44
	140	SYSTYPE_SVR4 SYSTYPE_SVR5 SYSTYPE_SYSV SYSV SYSV3 SYSV4 SYSV5
	141	sysV68 sysV88 Tek4132 Tek4300 titan
	142	tower tower32 tower32_200 tower32_600 tower32_700
	143	tower32_800 tower32_850 tss
	144	u370 u3b u3b2 u3b20 u3b200 u3b20d u3b5
	145	ultrix UMAXV UnicomPBB UnicomPBD UNICOS UNICOSMK
	146	unix UNIX95 UNIX99 unixpc unos USGr4 USGr4_2
	147	Utek UTek UTS UWIN uxpm uxps vax venix VMESA vms xenix Xenix286
	148	XOPEN_SOURCE XOPEN_SOURCE_EXTENDED XPG2 XPG2_EXTENDED
	149	XPG3 XPG3_EXTENDED XPG4 XPG4_EXTENDED
	150	z8000
	151	EOSH
	152	# Maybe put other stuff here too.
	153	cat <<EOSH >>Cppsym.know
	154	$osname
	155	EOSH
8a77dbe2 JH	156	./tr '[a-z]' '[A-Z]' < Cppsym.know > Cppsym.a
8a77dbe2 JH	157	./tr '[A-Z]' '[a-z]' < Cppsym.know > Cppsym.b
d7daf0d3 YST	158	$cat Cppsym.know > Cppsym.c
	159	$cat Cppsym.a Cppsym.b Cppsym.c \| $tr ' ' $trnl \| sort \| uniq > Cppsym.know
	160	$rm -f Cppsym.a Cppsym.b Cppsym.c
86b170fb JH	161	cat <<EOSH > Cppsym
	162	$startsh
	163	if $test \$# -gt 0; then
d088635c JH	164	echo \$* \| $tr " " "$trnl" \| ./Cppsym.try > Cppsym.got
	165	if $test -s Cppsym.got; then
	166	$rm -f Cppsym.got
	167	exit 0
	168	fi
	169	$rm -f Cppsym.got
	170	exit 1
86b170fb	171	else
d088635c JH	172	$tr " " "$trnl" \| ./Cppsym.try
d088635c JH	173	exit 0
86b170fb	174	fi
86b170fb JH	175	EOSH
	176	chmod +x Cppsym
	177	$eunicefix Cppsym
d088635c JH	178	?X: The below awk script will die a horrible death if
	179	?X: some of the tested symbols are not long ints.
	180	?X: Also, we do not make difference between just defined and defined zero.
86b170fb	181	cat <<EOSH > Cppsym.try
d088635c	182	$startsh
4ca3dd4c JH	183	cat <<'EOCP' > try.c
	184	#include <stdio.h>
	185	int main() {
	186	EOCP
762256f8	187	?X: The length($1) command guards against possible empty entries.
d7daf0d3	188	?X: The awk snippet is know to give heartburn to UNICOS/mk awk.
86b170fb JH	189	$awk \\
	190	EOSH
	191	cat <<'EOSH' >> Cppsym.try
	192	'length($1) > 0 {
d088635c JH	193	printf "#ifdef %s\n#if %s+0\nprintf(\"%s=%%ld\\n\", %s);\n#else\nprintf(\"%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1
	194	printf "#ifdef _%s\n#if _%s+0\nprintf(\"_%s=%%ld\\n\", _%s);\n#else\nprintf(\"_%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1
	195	printf "#ifdef __%s\n#if __%s+0\nprintf(\"__%s=%%ld\\n\", __%s);\n#else\nprintf(\"__%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1
	196	printf "#ifdef __%s__\n#if __%s__+0\nprintf(\"__%s__=%%ld\\n\", __%s__);\n#else\nprintf(\"__%s__\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1
	197	}' >> try.c
4ca3dd4c	198	echo '}' >> try.c
86b170fb	199	EOSH
d088635c	200	cat <<EOSH >> Cppsym.try
d088635c	201	ccflags="$ccflags"
d1467975 JH	202	case "$osname-$gccversion" in
d1467975 JH	203	irix-) ccflags="\$ccflags -woff 1178" ;;
d7daf0d3	204	os2-*) ccflags="\$ccflags -Zlinker /PM:VIO" ;;
d1467975	205	esac
ff19f974	206	$cc -o try $optimize \$ccflags $ldflags try.c $libs && ./try$exe_ext
86b170fb JH	207	EOSH
	208	chmod +x Cppsym.try
	209	$eunicefix Cppsym.try
	210	./Cppsym < Cppsym.know > Cppsym.true
959f3c4c JH	211	: now check the C compiler for additional symbols
	212	?X: suggested by Jarkko Hietaniemi <jhi@snakemail.hut.fi>, thanks!
	213	postprocess_cc_v=''
	214	case "$osname" in
	215	aix) postprocess_cc_v="\|$tr , ' '" ;;
	216	esac
	217	$cat >ccsym <<EOS
	218	$startsh
	219	$cat >tmp.c <<EOF
	220	extern int foo;
	221	EOF
	222	for i in \`$cc -v -c tmp.c 2>&1 $postprocess_cc_v\`
	223	do
	224	case "\$i" in
	225	-D*) echo "\$i" \| $sed 's/^-D//';;
	226	-A) $test "$gccversion" && echo "\$i" \| $sed 's/^-A\(.\)(\(.*\))/\1=\2/';;
	227	esac
	228	done
	229	$rm -f try.c
	230	EOS
	231	postprocess_cc_v=''
	232	chmod +x ccsym
	233	$eunicefix ccsym
	234	./ccsym > ccsym1.raw
	235	?X: AIX complains if $uniq is passed an empty file. ($sort apparently
	236	?X: doesn't care.) --AD 14 July 1998
	237	if $test -s ccsym1.raw; then
	238	$sort ccsym1.raw \| $uniq >ccsym.raw
	239	else
	240	mv ccsym1.raw ccsym.raw
	241	fi
	242
	243	?X: canonicalize symbols for easier sort/uniq/comm usage: append =1 if no = sign
	244	?X: the awk script must be on two lines for older awk programs, sigh! -- ADO
	245	$awk '/\=/ { print $0; next }
	246	{ print $0"=1" }' ccsym.raw >ccsym.list
d088635c JH	247	$awk '/\=/ { print $0; next }
d088635c JH	248	{ print $0"=1" }' Cppsym.true >ccsym.true
959f3c4c JH	249	$comm -13 ccsym.true ccsym.list >ccsym.own
	250	$comm -12 ccsym.true ccsym.list >ccsym.com
	251	$comm -23 ccsym.true ccsym.list >ccsym.cpp
	252	also=''
	253	if $test -z ccsym.raw; then
	254	echo "Your C compiler doesn't seem to define any symbols!" >&4
	255	echo " "
	256	echo "However, your C preprocessor defines the following symbols:"
	257	$cat Cppsym.true
	258	ccsymbols=''
	259	cppsymbols=`$cat Cppsym.true`
	260	cppsymbols=`echo $cppsymbols`
	261	cppccsymbols="$cppsymbols"
	262	else
	263	if $test -s ccsym.com; then
	264	echo "Your C compiler and pre-processor define these symbols:"
d7daf0d3	265	$sed -e 's/\(..\)=./\1/' ccsym.com
959f3c4c JH	266	also='also '
	267	symbols='ones'
	268	cppccsymbols=`$cat ccsym.com`
	269	cppccsymbols=`echo $cppccsymbols`
	270	$test "$silent" \|\| sleep 1
	271	fi
	272	if $test -s ccsym.cpp; then
	273	$test "$also" && echo " "
	274	echo "Your C pre-processor ${also}defines the following symbols:"
d7daf0d3	275	$sed -e 's/\(..\)=./\1/' ccsym.cpp
959f3c4c JH	276	also='further '
	277	cppsymbols=`$cat ccsym.cpp`
	278	cppsymbols=`echo $cppsymbols`
	279	$test "$silent" \|\| sleep 1
	280	fi
	281	if $test -s ccsym.own; then
	282	$test "$also" && echo " "
	283	echo "Your C compiler ${also}defines the following cpp symbols:"
d7daf0d3 YST	284	$sed -e 's/\(..*\)=1/\1/' ccsym.own
d7daf0d3 YST	285	$sed -e 's/\(..\)=./\1/' ccsym.own \| $uniq >>Cppsym.true
959f3c4c JH	286	ccsymbols=`$cat ccsym.own`
	287	ccsymbols=`echo $ccsymbols`
	288	$test "$silent" \|\| sleep 1
	289	fi
	290	fi
d7daf0d3	291	$rm -f ccsym* Cppsym.*
959f3c4c	292