[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 \
	Compile +cc +gccversion test comm uniq echo Options trnl
?MAKE:	-pick add $@ %<
?T:also symbols i postprocess_cc_v xxx
?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
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.a Cppsym.b | $tr ' ' $trnl | sort | uniq > Cppsym.know
$rm -f Cppsym.a Cppsym.b
cat <<EOSH > Cppsym
$startsh
if $test \$# -gt 0; then
 echo \$* | $tr " " "$trnl" | ./Cppsym.try > Cppsym.got
else
  $tr " " "$trnl" | ./Cppsym.try > Cppsym.got
fi
$test -s Cppsym.got && exit 0
exit 1
EOSH
chmod +x Cppsym
$eunicefix Cppsym
cat <<EOSH > Cppsym.try
cat <<'EOCP' > try.c
#include <stdio.h>
int main() {
EOCP
?X: The length($1) command guards against possible empty entries.
$awk \\
EOSH
cat <<'EOSH' >> Cppsym.try
'length($1) > 0 {
    printf "#ifdef %s\nprintf(\"%s\\n\");\n#endif\n", $1, $1
    printf "#ifdef _%s\nprintf(\"_%s\\n\");\n#endif\n", $1, $1
    printf "#ifdef __%s\nprintf(\"__%s\\n\");\n#endif\n", $1, $1
    printf "#ifdef __%s__\nprintf(\"__%s__\\n\");\n#endif\n", $1, $1 }' \
	 >> try.c
echo '}' >> try.c
EOSH
cat <<'EOSH' >> Cppsym.try
set try
eval $compile_ok && ./try$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"=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*
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 JH	42	eunicefix Guess awk cat tr sed sort rm startsh osname exe_ext \
86b170fb JH	43	Compile +cc +gccversion test comm uniq echo Options trnl
959f3c4c	44	?MAKE: -pick add $@ %<
86b170fb	45	?T:also symbols i postprocess_cc_v xxx
959f3c4c JH	46	?X:
	47	?X: The symbol list is in alpha order for ease of maintenance...
	48	?X:
	49	?X: Lots of new symbols (mostly rummaged from gcc), courtesy of
	50	?X: Jarkko Hietaniemi <jhi@snakemail.hut.fi> -- RAM, 06/06/94
	51	?X:
959f3c4c JH	52	?S:ccsymbols:
	53	?S: The variable contains the symbols defined by the C compiler alone.
	54	?S: The symbols defined by cpp or by cc when it calls cpp are not in
	55	?S: this list, see cppsymbols and cppccsymbols.
	56	?S: The list is a space-separated list of symbol=value tokens.
	57	?S:.
	58	?S:cppsymbols:
	59	?S: The variable contains the symbols defined by the C preprocessor
	60	?S: alone. The symbols defined by cc or by cc when it calls cpp are
	61	?S: not in this list, see ccsymbols and cppccsymbols.
	62	?S: The list is a space-separated list of symbol=value tokens.
	63	?S:.
	64	?S:cppccsymbols:
edd6115f	65	?S: The variable contains the symbols defined by the C compiler
959f3c4c JH	66	?S: when it calls cpp. The symbols defined by the cc alone or cpp
	67	?S: alone are not in this list, see ccsymbols and cppsymbols.
	68	?S: The list is a space-separated list of symbol=value tokens.
	69	?S:.
86b170fb	70	?F:./Cppsym
959f3c4c JH	71	?F:!Cppsym.true
	72	?F:!ccsym.com
	73	?F:!ccsym.cpp
	74	?F:!ccsym.own
959f3c4c	75	echo " "
ebebf7f4	76	$echo "Guessing which symbols your C compiler and preprocessor define..." >&4
86b170fb JH	77	?X: If your symbol is mixed case, just add it as-is.
	78	?X: All symbols will be transformed to both all-lower and all-upper.
	79	?X: Also drop any leading/trailing underscores, the scan will try all those.
762256f8 JH	80	$cat <<'EOSH' > Cppsym.know
	81	a29k ABI64 aegis AES_SOURCE AIX AIX32 AIX370
	82	AIX41 AIX42 AIX43 AIX_SOURCE aixpc ALL_SOURCE
	83	alliant alpha am29000 AM29000 amiga AMIGAOS AMIX
	84	ansi ANSI_C_SOURCE apollo ardent atarist att386 att3b BeOS
	85	BIG_ENDIAN BIT_MSF bsd BSD bsd43 bsd4_2 bsd4_3 BSD4_3 bsd4_4
	86	BSD_4_3 BSD_4_4 BSD_NET2 BSD_TIME BSD_TYPES BSDCOMPAT bsdi
	87	bull c cadmus clipper CMU COFF COMPILER_VERSION
	88	concurrent convex cpu cray CRAY CRAYMPP ctix CX_UX
	89	CYGWIN DGUX DGUX_SOURCE DJGPP dmert DOLPHIN DPX2 DSO
	90	Dynix DynixPTX ELF encore EPI EXTENSIONS FILE_OFFSET_BITS
	91	FreeBSD GCC_NEW_VARARGS gcos gcx gimpel
	92	GNU_SOURCE GNUC GNUC_MINOR GO32 gould GOULD_PN
	93	H3050R H3050RX hbullx20 hcx host_mips
	94	hp200 hp300 hp700 HP700 hp800 hp9000
	95	hp9000s200 hp9000s300 hp9000s400 hp9000s500
	96	hp9000s700 hp9000s800 hp9k8 hp_osf hppa hpux HPUX_SOURCE
	97	i186 i286 i386 i486 i586 i686 i8086 i80960 i860 I960
	98	iAPX286 ibm ibm032 ibmesa IBMR2 ibmrt ILP32 ILP64
	99	INLINE_INTRINSICS INTRINSICS INT64 interdata is68k ksr1
	100	LANGUAGE_C LARGE_FILE_API LARGEFILE64_SOURCE
	101	LARGEFILE_SOURCE LFS64_LARGEFILE LFS_LARGEFILE
	102	Linux LITTLE_ENDIAN LONG64 LONG_DOUBLE LONG_LONG
	103	LONGDOUBLE LONGLONG LP64 luna luna88k Lynx
	104	M68000 m68k m88100 m88k M88KBCS_TARGET M_COFF
	105	M_I186 M_I286 M_I386 M_I8086 M_I86 M_I86SM M_SYS3
	106	M_SYS5 M_SYSIII M_SYSV M_UNIX M_XENIX MACH machine MachTen
	107	MATH_HAS_NO_SIDE_EFFECTS
	108	mc300 mc500 mc68000 mc68010 mc68020 mc68030 mc68040
	109	mc68060 mc68k mc68k32 mc700 mc88000 mc88100 merlin
	110	mert MiNT mips MIPS_FPSET MIPS_ISA MIPS_SIM MIPS_SZINT
	111	MIPS_SZLONG MIPS_SZPTR MIPSEB MIPSEL MODERN_C motorola
	112	mpeix MSDOS MTXINU MULTIMAX mvs MVS n16 ncl_el ncl_mr
	113	NetBSD news1500 news1700 news1800 news1900 news3700
	114	news700 news800 news900 NeXT NLS ns16000 ns32000
	115	ns32016 ns32332 ns32k nsc32000
	116	OCS88 OEMVS OpenBSD os OS2 OS390 osf OSF1 OSF_SOURCE
	117	pa_risc PA_RISC1_1 PA_RISC2_0 PARAGON parisc
	118	pc532 pdp11 PGC PIC plexus PORTAR posix
	119	POSIX1B_SOURCE POSIX2_SOURCE POSIX4_SOURCE
	120	POSIX_C_SOURCE POSIX_SOURCE POWER
	121	PROTOTYPES PWB pyr QNX R3000 REENTRANT RES Rhapsody RISC6000
	122	riscix riscos RT scs SCO sequent sgi SGI_SOURCE sinix
	123	SIZE_INT SIZE_LONG SIZE_PTR SOCKET_SOURCE SOCKETS_SOURCE
	124	sony sony_news sonyrisc sparc sparclite spectrum
	125	stardent stdc STDC_EXT stratos sun sun3 sun386
	126	Sun386i svr3 svr4 SVR4_2 SVR4_SOURCE svr5
	127	SX system SYSTYPE_BSD SYSTYPE_BSD43 SYSTYPE_BSD44
	128	SYSTYPE_SVR4 SYSTYPE_SVR5 SYSTYPE_SYSV SYSV SYSV3 SYSV4 SYSV5
	129	sysV68 sysV88 Tek4132 Tek4300 titan
	130	tower tower32 tower32_200 tower32_600 tower32_700
	131	tower32_800 tower32_850 tss
	132	u370 u3b u3b2 u3b20 u3b200 u3b20d u3b5
	133	ultrix UMAXV UnicomPBB UnicomPBD UNICOS UNICOSMK
	134	unix UNIX95 UNIX99 unixpc unos USGr4 USGr4_2
	135	Utek UTek UTS UWIN uxpm uxps vax venix VMESA vms xenix Xenix286
	136	XOPEN_SOURCE XOPEN_SOURCE_EXTENDED XPG2 XPG2_EXTENDED
	137	XPG3 XPG3_EXTENDED XPG4 XPG4_EXTENDED
	138	z8000
	139	EOSH
	140	# Maybe put other stuff here too.
	141	cat <<EOSH >>Cppsym.know
	142	$osname
	143	EOSH
8a77dbe2 JH	144	./tr '[a-z]' '[A-Z]' < Cppsym.know > Cppsym.a
8a77dbe2 JH	145	./tr '[A-Z]' '[a-z]' < Cppsym.know > Cppsym.b
4ca3dd4c	146	$cat Cppsym.a Cppsym.b \| $tr ' ' $trnl \| sort \| uniq > Cppsym.know
86b170fb JH	147	$rm -f Cppsym.a Cppsym.b
	148	cat <<EOSH > Cppsym
	149	$startsh
	150	if $test \$# -gt 0; then
	151	echo \$* \| $tr " " "$trnl" \| ./Cppsym.try > Cppsym.got
	152	else
	153	$tr " " "$trnl" \| ./Cppsym.try > Cppsym.got
	154	fi
	155	$test -s Cppsym.got && exit 0
	156	exit 1
	157	EOSH
	158	chmod +x Cppsym
	159	$eunicefix Cppsym
	160	cat <<EOSH > Cppsym.try
4ca3dd4c JH	161	cat <<'EOCP' > try.c
	162	#include <stdio.h>
	163	int main() {
	164	EOCP
762256f8	165	?X: The length($1) command guards against possible empty entries.
86b170fb JH	166	$awk \\
	167	EOSH
	168	cat <<'EOSH' >> Cppsym.try
	169	'length($1) > 0 {
4ca3dd4c JH	170	printf "#ifdef %s\nprintf(\"%s\\n\");\n#endif\n", $1, $1
	171	printf "#ifdef _%s\nprintf(\"_%s\\n\");\n#endif\n", $1, $1
	172	printf "#ifdef __%s\nprintf(\"__%s\\n\");\n#endif\n", $1, $1
	173	printf "#ifdef __%s__\nprintf(\"__%s__\\n\");\n#endif\n", $1, $1 }' \
86b170fb	174	>> try.c
4ca3dd4c	175	echo '}' >> try.c
86b170fb JH	176	EOSH
	177	cat <<'EOSH' >> Cppsym.try
	178	set try
	179	eval $compile_ok && ./try$exe_ext
	180	EOSH
	181	chmod +x Cppsym.try
	182	$eunicefix Cppsym.try
	183	./Cppsym < Cppsym.know > Cppsym.true
959f3c4c JH	184	: now check the C compiler for additional symbols
	185	?X: suggested by Jarkko Hietaniemi <jhi@snakemail.hut.fi>, thanks!
	186	postprocess_cc_v=''
	187	case "$osname" in
	188	aix) postprocess_cc_v="\|$tr , ' '" ;;
	189	esac
	190	$cat >ccsym <<EOS
	191	$startsh
	192	$cat >tmp.c <<EOF
	193	extern int foo;
	194	EOF
	195	for i in \`$cc -v -c tmp.c 2>&1 $postprocess_cc_v\`
	196	do
	197	case "\$i" in
	198	-D*) echo "\$i" \| $sed 's/^-D//';;
	199	-A) $test "$gccversion" && echo "\$i" \| $sed 's/^-A\(.\)(\(.*\))/\1=\2/';;
	200	esac
	201	done
	202	$rm -f try.c
	203	EOS
	204	postprocess_cc_v=''
	205	chmod +x ccsym
	206	$eunicefix ccsym
	207	./ccsym > ccsym1.raw
	208	?X: AIX complains if $uniq is passed an empty file. ($sort apparently
	209	?X: doesn't care.) --AD 14 July 1998
	210	if $test -s ccsym1.raw; then
	211	$sort ccsym1.raw \| $uniq >ccsym.raw
	212	else
	213	mv ccsym1.raw ccsym.raw
	214	fi
	215
	216	?X: canonicalize symbols for easier sort/uniq/comm usage: append =1 if no = sign
	217	?X: the awk script must be on two lines for older awk programs, sigh! -- ADO
	218	$awk '/\=/ { print $0; next }
	219	{ print $0"=1" }' ccsym.raw >ccsym.list
	220	$awk '{ print $0"=1" }' Cppsym.true >ccsym.true
	221	$comm -13 ccsym.true ccsym.list >ccsym.own
	222	$comm -12 ccsym.true ccsym.list >ccsym.com
	223	$comm -23 ccsym.true ccsym.list >ccsym.cpp
	224	also=''
	225	if $test -z ccsym.raw; then
	226	echo "Your C compiler doesn't seem to define any symbols!" >&4
	227	echo " "
	228	echo "However, your C preprocessor defines the following symbols:"
	229	$cat Cppsym.true
	230	ccsymbols=''
	231	cppsymbols=`$cat Cppsym.true`
	232	cppsymbols=`echo $cppsymbols`
	233	cppccsymbols="$cppsymbols"
	234	else
	235	if $test -s ccsym.com; then
	236	echo "Your C compiler and pre-processor define these symbols:"
	237	$sed -e 's/\(.\)=./\1/' ccsym.com
	238	also='also '
	239	symbols='ones'
	240	cppccsymbols=`$cat ccsym.com`
	241	cppccsymbols=`echo $cppccsymbols`
	242	$test "$silent" \|\| sleep 1
	243	fi
	244	if $test -s ccsym.cpp; then
	245	$test "$also" && echo " "
	246	echo "Your C pre-processor ${also}defines the following symbols:"
	247	$sed -e 's/\(.\)=./\1/' ccsym.cpp
248	also='further '
249	cppsymbols=`$cat ccsym.cpp`
250	cppsymbols=`echo $cppsymbols`
251	$test "$silent" \|\| sleep 1
252	fi
253	if $test -s ccsym.own; then
254	$test "$also" && echo " "
255	echo "Your C compiler ${also}defines the following cpp symbols:"
256	$sed -e 's/\(.*\)=1/\1/' ccsym.own
257	$sed -e 's/\(.\)=./\1/' ccsym.own \| $uniq >>Cppsym.true
258	ccsymbols=`$cat ccsym.own`
259	ccsymbols=`echo $ccsymbols`
260	$test "$silent" \|\| sleep 1
261	fi
262	fi
263	$rm -f ccsym*
264