[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: 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.
?MAKE:Cppsym ccsymbols cppsymbols cppccsymbols: run \
	eunicefix Guess awk cat tr sed sort rm rm_try startsh osname \
	+cc +gccversion test comm uniq echo Options trnl \
	optimize ccflags ldflags libs cpp_stuff cpp
?MAKE:	-pick add $@ %<
?T:also symbols i postprocess_cc_v tHdrH
?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.know
?F:!Cppsym.true
?F:!ccsym.com
?F:!ccsym.cpp
?F:!ccsym.own
?X: fake LINT hints
?LINT:change ccflags
?LINT:extern s
?LINT:extern s__
: Preprocessor symbols
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 AMD64 amd64 amiga AMIGAOS AMIX
ansi ANSI_C_SOURCE apollo ardent ARM32 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 DECC DGUX DGUX_SOURCE DJGPP dmert DOLPHIN DPX2 DSO
Dynix DynixPTX ELF encore EPI EXTENSIONS FAVOR_BSD
FILE_OFFSET_BITS FreeBSD GCC_NEW_VARARGS gcos gcx gimpel
GLIBC GLIBC_MINOR
GNU_SOURCE GNUC GNUC_MINOR GNU_LIBRARY 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
IA64 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
LIBCATAMOUNT 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 nonstopux 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 QK_USER R3000 REENTRANT RES Rhapsody RISC6000
riscix riscos RT S390 SA110 scs SCO sequent sgi SGI_SOURCE SH3 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
TM3200 TM5400 TM5600
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
USE_BSD USE_FILE_OFFSET64 USE_GNU USE_ISOC9X USE_LARGEFILE USE_LARGEFILE64
USE_MISC USE_POSIX USE_POSIX199309 USE_POSIX199506 USE_POSIX2
USE_REENTRANT USE_SVID USE_UNIX98 USE_XOPEN USE_XOPEN_EXTENDED
USGr4 USGr4_2
Utek UTek UTS UWIN uxpm uxps vax venix VMESA vms x86_64 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>
#if cpp_stuff == 1
#define STRINGIFY(a)    "a"
#endif
#if cpp_stuff == 42
#define StGiFy(a)  #a
#define STRINGIFY(a)    StGiFy(a)
#endif
#if $cpp_stuff != 1 && $cpp_stuff != 42
#   include "Bletch: How does this C preprocessor stringify macros?"
#endif
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\nprintf(\"%s=%%s\\n\", STRINGIFY(%s));\n#endif\n", $1, $1, $1
    printf "#ifdef _%s\nprintf(\"_%s=%%s\\n\", STRINGIFY(_%s));\n#endif\n", $1, $1, $1
    printf "#ifdef __%s\nprintf(\"__%s=%%s\\n\", STRINGIFY(__%s));\n#endif\n", $1, $1, $1
    printf "#ifdef __%s__\nprintf(\"__%s__=%%s\\n\", STRINGIFY(__%s__));\n#endif\n", $1, $1, $1
}'	 >> try.c
echo 'return 0;}' >> try.c
EOSH
cat <<EOSH >> Cppsym.try
ccflags="$ccflags"
case "$osname-$gccversion" in
irix-) ccflags="\$ccflags -woff 1178" ;;
os2-*) ccflags="\$ccflags -Zlinker /PM:VIO" ;;
esac
$cc -o try -Dcpp_stuff=$cpp_stuff $optimize \$ccflags $ldflags try.c $libs && $run ./try | $sed 's/ /\\\\ /g'
EOSH
chmod +x Cppsym.try
$eunicefix Cppsym.try
./Cppsym < Cppsym.know > Cppsym.true
: Add in any linux cpp "predefined macros":
case "$osname::$gccversion" in
  *linux*::*.*|*gnukfreebsd*::*.*|gnu::*.*)
    tHdrH=_tmpHdr
    rm -f $tHdrH'.h' $tHdrH
    touch $tHdrH'.h'
    # Filter out macro arguments, such as Linux's __INT8_C(c)
    if $cpp -dM $tHdrH'.h' > $tHdrH'_cppsym.h' && [ -s $tHdrH'_cppsym.h' ]; then
       sed -e 's/#define[\ \  ]*//;s/[\ \     ].*$//' -e 's/(.*//' <$tHdrH'_cppsym.h' >$tHdrH'_cppsym.real'
       if [ -s $tHdrH'_cppsym.real' ]; then
	  cat $tHdrH'_cppsym.real' Cppsym.know | sort | uniq | ./Cppsym | sort | uniq > Cppsym.true
       fi
    fi
    rm -f $tHdrH'.h' $tHdrH'_cppsym.h' $tHdrH'_cppsym.real'
  ;;
esac
: now check the C compiler for additional symbols
?X: suggested by Jarkko Hietaniemi <jhi@snakemail.hut.fi>, thanks!
postprocess_cc_v=''
case "$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//' | $sed 's/\(.*\)(\(.*\))/\1=\2/';;
	esac
done
$rm_try
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
$comm -13 Cppsym.true ccsym.list >ccsym.own
$comm -12 Cppsym.true ccsym.list >ccsym.com
$comm -23 Cppsym.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
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
4c42341b	4	?RCS:
959f3c4c JH	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:
959f3c4c JH	33	?X: This unit produces a shell script called Cppsym, which can be used to
	34	?X: determine whether any in a list of symbols is defined by the C compilation
	35	?X: chain (C preprocessor symbols plus C compiler native ones).
	36	?X: It can determine the status of any symbol, though the symbols in $al
	37	?X: are more easily determined. If you want to add to $al you can do
	38	?X: it in Myinit.U.
0f00356b	39	?MAKE:Cppsym ccsymbols cppsymbols cppccsymbols: run \
2cb64bf6	40	eunicefix Guess awk cat tr sed sort rm rm_try startsh osname \
d088635c	41	+cc +gccversion test comm uniq echo Options trnl \
78e210bb	42	optimize ccflags ldflags libs cpp_stuff cpp
959f3c4c	43	?MAKE: -pick add $@ %<
51c6a14b	44	?T:also symbols i postprocess_cc_v tHdrH
959f3c4c JH	45	?X:
	46	?X: The symbol list is in alpha order for ease of maintenance...
	47	?X:
	48	?X: Lots of new symbols (mostly rummaged from gcc), courtesy of
	49	?X: Jarkko Hietaniemi <jhi@snakemail.hut.fi> -- RAM, 06/06/94
	50	?X:
959f3c4c JH	51	?S:ccsymbols:
959f3c4c JH	52	?S: The variable contains the symbols defined by the C compiler alone.
d7daf0d3 YST	53	?S: The symbols defined by cpp or by cc when it calls cpp are not in
d7daf0d3 YST	54	?S: this list, see cppsymbols and cppccsymbols.
959f3c4c JH	55	?S: The list is a space-separated list of symbol=value tokens.
	56	?S:.
	57	?S:cppsymbols:
d7daf0d3 YST	58	?S: The variable contains the symbols defined by the C preprocessor
	59	?S: alone. The symbols defined by cc or by cc when it calls cpp are
	60	?S: not in this list, see ccsymbols and cppccsymbols.
959f3c4c JH	61	?S: The list is a space-separated list of symbol=value tokens.
	62	?S:.
	63	?S:cppccsymbols:
d7daf0d3 YST	64	?S: The variable contains the symbols defined by the C compiler
	65	?S: when it calls cpp. The symbols defined by the cc alone or cpp
	66	?S: alone are not in this list, see ccsymbols and cppsymbols.
959f3c4c JH	67	?S: The list is a space-separated list of symbol=value tokens.
959f3c4c JH	68	?S:.
86b170fb	69	?F:./Cppsym
4c42341b	70	?F:./Cppsym.know
959f3c4c JH	71	?F:!Cppsym.true
	72	?F:!ccsym.com
	73	?F:!ccsym.cpp
	74	?F:!ccsym.own
d088635c	75	?X: fake LINT hints
d088635c	76	?LINT:change ccflags
d088635c	77	?LINT:extern s
d088635c	78	?LINT:extern s__
4c42341b	79	: Preprocessor symbols
959f3c4c	80	echo " "
51c6a14b	81	$echo "Guessing which symbols your C compiler and preprocessor define..." >&4
86b170fb JH	82	?X: If your symbol is mixed case, just add it as-is.
	83	?X: All symbols will be transformed to both all-lower and all-upper.
	84	?X: Also drop any leading/trailing underscores, the scan will try all those.
762256f8 JH	85	$cat <<'EOSH' > Cppsym.know
	86	a29k ABI64 aegis AES_SOURCE AIX AIX32 AIX370
	87	AIX41 AIX42 AIX43 AIX_SOURCE aixpc ALL_SOURCE
0ec577e1	88	alliant alpha am29000 AM29000 AMD64 amd64 amiga AMIGAOS AMIX
56542514 JH	89	ansi ANSI_C_SOURCE apollo ardent ARM32 atarist att386 att3b
56542514 JH	90	BeOS BIG_ENDIAN BIT_MSF bsd BSD bsd43 bsd4_2 bsd4_3 BSD4_3 bsd4_4
762256f8 JH	91	BSD_4_3 BSD_4_4 BSD_NET2 BSD_TIME BSD_TYPES BSDCOMPAT bsdi
	92	bull c cadmus clipper CMU COFF COMPILER_VERSION
	93	concurrent convex cpu cray CRAY CRAYMPP ctix CX_UX
4ff149d0	94	CYGWIN DECC DGUX DGUX_SOURCE DJGPP dmert DOLPHIN DPX2 DSO
ccf2d453 JH	95	Dynix DynixPTX ELF encore EPI EXTENSIONS FAVOR_BSD
	96	FILE_OFFSET_BITS FreeBSD GCC_NEW_VARARGS gcos gcx gimpel
	97	GLIBC GLIBC_MINOR
	98	GNU_SOURCE GNUC GNUC_MINOR GNU_LIBRARY GO32 gould GOULD_PN
762256f8 JH	99	H3050R H3050RX hbullx20 hcx host_mips
	100	hp200 hp300 hp700 HP700 hp800 hp9000
	101	hp9000s200 hp9000s300 hp9000s400 hp9000s500
	102	hp9000s700 hp9000s800 hp9k8 hp_osf hppa hpux HPUX_SOURCE
	103	i186 i286 i386 i486 i586 i686 i8086 i80960 i860 I960
56542514	104	IA64 iAPX286 ibm ibm032 ibmesa IBMR2 ibmrt ILP32 ILP64
762256f8 JH	105	INLINE_INTRINSICS INTRINSICS INT64 interdata is68k ksr1
	106	LANGUAGE_C LARGE_FILE_API LARGEFILE64_SOURCE
	107	LARGEFILE_SOURCE LFS64_LARGEFILE LFS_LARGEFILE
a9e6d282	108	LIBCATAMOUNT Linux LITTLE_ENDIAN LONG64 LONG_DOUBLE LONG_LONG
762256f8 JH	109	LONGDOUBLE LONGLONG LP64 luna luna88k Lynx
	110	M68000 m68k m88100 m88k M88KBCS_TARGET M_COFF
	111	M_I186 M_I286 M_I386 M_I8086 M_I86 M_I86SM M_SYS3
	112	M_SYS5 M_SYSIII M_SYSV M_UNIX M_XENIX MACH machine MachTen
	113	MATH_HAS_NO_SIDE_EFFECTS
	114	mc300 mc500 mc68000 mc68010 mc68020 mc68030 mc68040
	115	mc68060 mc68k mc68k32 mc700 mc88000 mc88100 merlin
	116	mert MiNT mips MIPS_FPSET MIPS_ISA MIPS_SIM MIPS_SZINT
	117	MIPS_SZLONG MIPS_SZPTR MIPSEB MIPSEL MODERN_C motorola
	118	mpeix MSDOS MTXINU MULTIMAX mvs MVS n16 ncl_el ncl_mr
	119	NetBSD news1500 news1700 news1800 news1900 news3700
5bcf820f	120	news700 news800 news900 NeXT NLS nonstopux ns16000 ns32000
762256f8 JH	121	ns32016 ns32332 ns32k nsc32000
	122	OCS88 OEMVS OpenBSD os OS2 OS390 osf OSF1 OSF_SOURCE
	123	pa_risc PA_RISC1_1 PA_RISC2_0 PARAGON parisc
	124	pc532 pdp11 PGC PIC plexus PORTAR posix
	125	POSIX1B_SOURCE POSIX2_SOURCE POSIX4_SOURCE
	126	POSIX_C_SOURCE POSIX_SOURCE POWER
a9e6d282	127	PROTOTYPES PWB pyr QNX QK_USER R3000 REENTRANT RES Rhapsody RISC6000
56542514	128	riscix riscos RT S390 SA110 scs SCO sequent sgi SGI_SOURCE SH3 sinix
762256f8 JH	129	SIZE_INT SIZE_LONG SIZE_PTR SOCKET_SOURCE SOCKETS_SOURCE
	130	sony sony_news sonyrisc sparc sparclite spectrum
	131	stardent stdc STDC_EXT stratos sun sun3 sun386
	132	Sun386i svr3 svr4 SVR4_2 SVR4_SOURCE svr5
	133	SX system SYSTYPE_BSD SYSTYPE_BSD43 SYSTYPE_BSD44
	134	SYSTYPE_SVR4 SYSTYPE_SVR5 SYSTYPE_SYSV SYSV SYSV3 SYSV4 SYSV5
	135	sysV68 sysV88 Tek4132 Tek4300 titan
56542514	136	TM3200 TM5400 TM5600
762256f8 JH	137	tower tower32 tower32_200 tower32_600 tower32_700
	138	tower32_800 tower32_850 tss
	139	u370 u3b u3b2 u3b20 u3b200 u3b20d u3b5
	140	ultrix UMAXV UnicomPBB UnicomPBD UNICOS UNICOSMK
ccf2d453 JH	141	unix UNIX95 UNIX99 unixpc unos
	142	USE_BSD USE_FILE_OFFSET64 USE_GNU USE_ISOC9X USE_LARGEFILE USE_LARGEFILE64
	143	USE_MISC USE_POSIX USE_POSIX199309 USE_POSIX199506 USE_POSIX2
	144	USE_REENTRANT USE_SVID USE_UNIX98 USE_XOPEN USE_XOPEN_EXTENDED
	145	USGr4 USGr4_2
0ec577e1	146	Utek UTek UTS UWIN uxpm uxps vax venix VMESA vms x86_64 xenix Xenix286
762256f8 JH	147	XOPEN_SOURCE XOPEN_SOURCE_EXTENDED XPG2 XPG2_EXTENDED
	148	XPG3 XPG3_EXTENDED XPG4 XPG4_EXTENDED
	149	z8000
	150	EOSH
	151	# Maybe put other stuff here too.
	152	cat <<EOSH >>Cppsym.know
	153	$osname
	154	EOSH
8a77dbe2 JH	155	./tr '[a-z]' '[A-Z]' < Cppsym.know > Cppsym.a
8a77dbe2 JH	156	./tr '[A-Z]' '[a-z]' < Cppsym.know > Cppsym.b
d7daf0d3	157	$cat Cppsym.know > Cppsym.c
a3e4b67c	158	$cat Cppsym.a Cppsym.b Cppsym.c \| $tr ' ' $trnl \| $sort \| $uniq > Cppsym.know
d7daf0d3	159	$rm -f Cppsym.a Cppsym.b Cppsym.c
86b170fb JH	160	cat <<EOSH > Cppsym
	161	$startsh
	162	if $test \$# -gt 0; then
d088635c JH	163	echo \$* \| $tr " " "$trnl" \| ./Cppsym.try > Cppsym.got
	164	if $test -s Cppsym.got; then
	165	$rm -f Cppsym.got
	166	exit 0
	167	fi
	168	$rm -f Cppsym.got
	169	exit 1
86b170fb	170	else
d088635c JH	171	$tr " " "$trnl" \| ./Cppsym.try
d088635c JH	172	exit 0
86b170fb	173	fi
86b170fb JH	174	EOSH
	175	chmod +x Cppsym
	176	$eunicefix Cppsym
d088635c JH	177	?X: The below awk script will die a horrible death if
	178	?X: some of the tested symbols are not long ints.
	179	?X: Also, we do not make difference between just defined and defined zero.
86b170fb	180	cat <<EOSH > Cppsym.try
d088635c	181	$startsh
4ca3dd4c JH	182	cat <<'EOCP' > try.c
4ca3dd4c JH	183	#include <stdio.h>
75ef64fe YST	184	#if cpp_stuff == 1
	185	#define STRINGIFY(a) "a"
	186	#endif
	187	#if cpp_stuff == 42
	188	#define StGiFy(a) #a
	189	#define STRINGIFY(a) StGiFy(a)
	190	#endif
	191	#if $cpp_stuff != 1 && $cpp_stuff != 42
	192	# include "Bletch: How does this C preprocessor stringify macros?"
	193	#endif
4ca3dd4c JH	194	int main() {
4ca3dd4c JH	195	EOCP
762256f8	196	?X: The length($1) command guards against possible empty entries.
d7daf0d3	197	?X: The awk snippet is know to give heartburn to UNICOS/mk awk.
86b170fb JH	198	$awk \\
	199	EOSH
	200	cat <<'EOSH' >> Cppsym.try
	201	'length($1) > 0 {
75ef64fe YST	202	printf "#ifdef %s\nprintf(\"%s=%%s\\n\", STRINGIFY(%s));\n#endif\n", $1, $1, $1
	203	printf "#ifdef _%s\nprintf(\"_%s=%%s\\n\", STRINGIFY(_%s));\n#endif\n", $1, $1, $1
	204	printf "#ifdef __%s\nprintf(\"__%s=%%s\\n\", STRINGIFY(__%s));\n#endif\n", $1, $1, $1
	205	printf "#ifdef __%s__\nprintf(\"__%s__=%%s\\n\", STRINGIFY(__%s__));\n#endif\n", $1, $1, $1
d088635c	206	}' >> try.c
7857a0f2	207	echo 'return 0;}' >> try.c
86b170fb	208	EOSH
d088635c	209	cat <<EOSH >> Cppsym.try
d088635c	210	ccflags="$ccflags"
d1467975 JH	211	case "$osname-$gccversion" in
d1467975 JH	212	irix-) ccflags="\$ccflags -woff 1178" ;;
d7daf0d3	213	os2-*) ccflags="\$ccflags -Zlinker /PM:VIO" ;;
d1467975	214	esac
75ef64fe	215	$cc -o try -Dcpp_stuff=$cpp_stuff $optimize \$ccflags $ldflags try.c $libs && $run ./try \| $sed 's/ /\\\\ /g'
86b170fb JH	216	EOSH
	217	chmod +x Cppsym.try
	218	$eunicefix Cppsym.try
	219	./Cppsym < Cppsym.know > Cppsym.true
51c6a14b	220	: Add in any linux cpp "predefined macros":
f35fd5db	221	case "$osname::$gccversion" in
35385b28	222	linux::.\|gnukfreebsd::.\|gnu::.)
f35fd5db MB	223	tHdrH=_tmpHdr
	224	rm -f $tHdrH'.h' $tHdrH
	225	touch $tHdrH'.h'
395c24d9	226	# Filter out macro arguments, such as Linux's __INT8_C(c)
78e210bb	227	if $cpp -dM $tHdrH'.h' > $tHdrH'_cppsym.h' && [ -s $tHdrH'_cppsym.h' ]; then
395c24d9	228	sed -e 's/#define[\ \ ]//;s/[\ \ ].$//' -e 's/(.*//' <$tHdrH'_cppsym.h' >$tHdrH'_cppsym.real'
f35fd5db MB	229	if [ -s $tHdrH'_cppsym.real' ]; then
	230	cat $tHdrH'_cppsym.real' Cppsym.know \| sort \| uniq \| ./Cppsym \| sort \| uniq > Cppsym.true
	231	fi
	232	fi
	233	rm -f $tHdrH'.h' $tHdrH'_cppsym.h' $tHdrH'_cppsym.real'
	234	;;
	235	esac
959f3c4c JH	236	: now check the C compiler for additional symbols
	237	?X: suggested by Jarkko Hietaniemi <jhi@snakemail.hut.fi>, thanks!
	238	postprocess_cc_v=''
	239	case "$osname" in
	240	aix) postprocess_cc_v="\|$tr , ' '" ;;
	241	esac
	242	$cat >ccsym <<EOS
	243	$startsh
	244	$cat >tmp.c <<EOF
	245	extern int foo;
	246	EOF
	247	for i in \`$cc -v -c tmp.c 2>&1 $postprocess_cc_v\`
	248	do
	249	case "\$i" in
	250	-D*) echo "\$i" \| $sed 's/^-D//';;
9a944a00	251	-A) $test "$gccversion" && echo "\$i" \| $sed 's/^-A//' \| $sed 's/\(.\)(\(.*\))/\1=\2/';;
959f3c4c JH	252	esac
959f3c4c JH	253	done
2cb64bf6	254	$rm_try
959f3c4c JH	255	EOS
	256	postprocess_cc_v=''
	257	chmod +x ccsym
	258	$eunicefix ccsym
	259	./ccsym > ccsym1.raw
	260	?X: AIX complains if $uniq is passed an empty file. ($sort apparently
	261	?X: doesn't care.) --AD 14 July 1998
	262	if $test -s ccsym1.raw; then
	263	$sort ccsym1.raw \| $uniq >ccsym.raw
	264	else
	265	mv ccsym1.raw ccsym.raw
	266	fi
	267
	268	?X: canonicalize symbols for easier sort/uniq/comm usage: append =1 if no = sign
	269	?X: the awk script must be on two lines for older awk programs, sigh! -- ADO
	270	$awk '/\=/ { print $0; next }
	271	{ print $0"=1" }' ccsym.raw >ccsym.list
75ef64fe YST	272	$comm -13 Cppsym.true ccsym.list >ccsym.own
	273	$comm -12 Cppsym.true ccsym.list >ccsym.com
	274	$comm -23 Cppsym.true ccsym.list >ccsym.cpp
959f3c4c JH	275	also=''
	276	if $test -z ccsym.raw; then
	277	echo "Your C compiler doesn't seem to define any symbols!" >&4
	278	echo " "
	279	echo "However, your C preprocessor defines the following symbols:"
	280	$cat Cppsym.true
	281	ccsymbols=''
	282	cppsymbols=`$cat Cppsym.true`
	283	cppsymbols=`echo $cppsymbols`
	284	cppccsymbols="$cppsymbols"
	285	else
	286	if $test -s ccsym.com; then
	287	echo "Your C compiler and pre-processor define these symbols:"
d7daf0d3	288	$sed -e 's/\(..\)=./\1/' ccsym.com
959f3c4c JH	289	also='also '
	290	symbols='ones'
	291	cppccsymbols=`$cat ccsym.com`
	292	cppccsymbols=`echo $cppccsymbols`
	293	$test "$silent" \|\| sleep 1
	294	fi
	295	if $test -s ccsym.cpp; then
	296	$test "$also" && echo " "
	297	echo "Your C pre-processor ${also}defines the following symbols:"
d7daf0d3	298	$sed -e 's/\(..\)=./\1/' ccsym.cpp
959f3c4c JH	299	also='further '
	300	cppsymbols=`$cat ccsym.cpp`
	301	cppsymbols=`echo $cppsymbols`
	302	$test "$silent" \|\| sleep 1
	303	fi
	304	if $test -s ccsym.own; then
	305	$test "$also" && echo " "
	306	echo "Your C compiler ${also}defines the following cpp symbols:"
d7daf0d3 YST	307	$sed -e 's/\(..*\)=1/\1/' ccsym.own
d7daf0d3 YST	308	$sed -e 's/\(..\)=./\1/' ccsym.own \| $uniq >>Cppsym.true
959f3c4c JH	309	ccsymbols=`$cat ccsym.own`
	310	ccsymbols=`echo $ccsymbols`
	311	$test "$silent" \|\| sleep 1
	312	fi
	313	fi
959f3c4c	314