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[metaconfig.git] / U / modified / Cppsym.U
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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:
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41?MAKE:Cppsym ccsymbols cppsymbols cppccsymbols: run \
42 eunicefix Guess awk cat tr sed sort rm startsh osname \
d088635c 43 +cc +gccversion test comm uniq echo Options trnl \
1de9184b 44 optimize ccflags ldflags libs cpp_stuff
959f3c4c 45?MAKE: -pick add $@ %<
51c6a14b 46?T:also symbols i postprocess_cc_v tHdrH
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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:
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53?S:ccsymbols:
54?S: The variable contains the symbols defined by the C compiler alone.
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55?S: The symbols defined by cpp or by cc when it calls cpp are not in
56?S: this list, see cppsymbols and cppccsymbols.
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57?S: The list is a space-separated list of symbol=value tokens.
58?S:.
59?S:cppsymbols:
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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.
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63?S: The list is a space-separated list of symbol=value tokens.
64?S:.
65?S:cppccsymbols:
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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.
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69?S: The list is a space-separated list of symbol=value tokens.
70?S:.
86b170fb 71?F:./Cppsym
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72?F:!Cppsym.true
73?F:!ccsym.com
74?F:!ccsym.cpp
75?F:!ccsym.own
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76?X: fake LINT hints
77?LINT:change cc
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78?LINT:change optimize
79?LINT:change ccflags
80?LINT:change ldflags
81?LINT:change libs
82?LINT:extern s
83?LINT:change s
84?LINT:extern s__
85?LINT:change s__
959f3c4c 86echo " "
51c6a14b 87$echo "Guessing which symbols your C compiler and preprocessor define..." >&4
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88?X: If your symbol is mixed case, just add it as-is.
89?X: All symbols will be transformed to both all-lower and all-upper.
90?X: Also drop any leading/trailing underscores, the scan will try all those.
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91$cat <<'EOSH' > Cppsym.know
92a29k ABI64 aegis AES_SOURCE AIX AIX32 AIX370
93AIX41 AIX42 AIX43 AIX_SOURCE aixpc ALL_SOURCE
0ec577e1 94alliant alpha am29000 AM29000 AMD64 amd64 amiga AMIGAOS AMIX
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95ansi ANSI_C_SOURCE apollo ardent ARM32 atarist att386 att3b
96BeOS BIG_ENDIAN BIT_MSF bsd BSD bsd43 bsd4_2 bsd4_3 BSD4_3 bsd4_4
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97BSD_4_3 BSD_4_4 BSD_NET2 BSD_TIME BSD_TYPES BSDCOMPAT bsdi
98bull c cadmus clipper CMU COFF COMPILER_VERSION
99concurrent convex cpu cray CRAY CRAYMPP ctix CX_UX
4ff149d0 100CYGWIN DECC DGUX DGUX_SOURCE DJGPP dmert DOLPHIN DPX2 DSO
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101Dynix DynixPTX ELF encore EPI EXTENSIONS FAVOR_BSD
102FILE_OFFSET_BITS FreeBSD GCC_NEW_VARARGS gcos gcx gimpel
103GLIBC GLIBC_MINOR
104GNU_SOURCE GNUC GNUC_MINOR GNU_LIBRARY GO32 gould GOULD_PN
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105H3050R H3050RX hbullx20 hcx host_mips
106hp200 hp300 hp700 HP700 hp800 hp9000
107hp9000s200 hp9000s300 hp9000s400 hp9000s500
108hp9000s700 hp9000s800 hp9k8 hp_osf hppa hpux HPUX_SOURCE
109i186 i286 i386 i486 i586 i686 i8086 i80960 i860 I960
56542514 110IA64 iAPX286 ibm ibm032 ibmesa IBMR2 ibmrt ILP32 ILP64
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111INLINE_INTRINSICS INTRINSICS INT64 interdata is68k ksr1
112LANGUAGE_C LARGE_FILE_API LARGEFILE64_SOURCE
113LARGEFILE_SOURCE LFS64_LARGEFILE LFS_LARGEFILE
114Linux LITTLE_ENDIAN LONG64 LONG_DOUBLE LONG_LONG
115LONGDOUBLE LONGLONG LP64 luna luna88k Lynx
116M68000 m68k m88100 m88k M88KBCS_TARGET M_COFF
117M_I186 M_I286 M_I386 M_I8086 M_I86 M_I86SM M_SYS3
118M_SYS5 M_SYSIII M_SYSV M_UNIX M_XENIX MACH machine MachTen
119MATH_HAS_NO_SIDE_EFFECTS
120mc300 mc500 mc68000 mc68010 mc68020 mc68030 mc68040
121mc68060 mc68k mc68k32 mc700 mc88000 mc88100 merlin
122mert MiNT mips MIPS_FPSET MIPS_ISA MIPS_SIM MIPS_SZINT
123MIPS_SZLONG MIPS_SZPTR MIPSEB MIPSEL MODERN_C motorola
124mpeix MSDOS MTXINU MULTIMAX mvs MVS n16 ncl_el ncl_mr
125NetBSD news1500 news1700 news1800 news1900 news3700
5bcf820f 126news700 news800 news900 NeXT NLS nonstopux ns16000 ns32000
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127ns32016 ns32332 ns32k nsc32000
128OCS88 OEMVS OpenBSD os OS2 OS390 osf OSF1 OSF_SOURCE
129pa_risc PA_RISC1_1 PA_RISC2_0 PARAGON parisc
130pc532 pdp11 PGC PIC plexus PORTAR posix
131POSIX1B_SOURCE POSIX2_SOURCE POSIX4_SOURCE
132POSIX_C_SOURCE POSIX_SOURCE POWER
133PROTOTYPES PWB pyr QNX R3000 REENTRANT RES Rhapsody RISC6000
56542514 134riscix riscos RT S390 SA110 scs SCO sequent sgi SGI_SOURCE SH3 sinix
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135SIZE_INT SIZE_LONG SIZE_PTR SOCKET_SOURCE SOCKETS_SOURCE
136sony sony_news sonyrisc sparc sparclite spectrum
137stardent stdc STDC_EXT stratos sun sun3 sun386
138Sun386i svr3 svr4 SVR4_2 SVR4_SOURCE svr5
139SX system SYSTYPE_BSD SYSTYPE_BSD43 SYSTYPE_BSD44
140SYSTYPE_SVR4 SYSTYPE_SVR5 SYSTYPE_SYSV SYSV SYSV3 SYSV4 SYSV5
141sysV68 sysV88 Tek4132 Tek4300 titan
56542514 142TM3200 TM5400 TM5600
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143tower tower32 tower32_200 tower32_600 tower32_700
144tower32_800 tower32_850 tss
145u370 u3b u3b2 u3b20 u3b200 u3b20d u3b5
146ultrix UMAXV UnicomPBB UnicomPBD UNICOS UNICOSMK
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147unix UNIX95 UNIX99 unixpc unos
148USE_BSD USE_FILE_OFFSET64 USE_GNU USE_ISOC9X USE_LARGEFILE USE_LARGEFILE64
149USE_MISC USE_POSIX USE_POSIX199309 USE_POSIX199506 USE_POSIX2
150USE_REENTRANT USE_SVID USE_UNIX98 USE_XOPEN USE_XOPEN_EXTENDED
151USGr4 USGr4_2
0ec577e1 152Utek UTek UTS UWIN uxpm uxps vax venix VMESA vms x86_64 xenix Xenix286
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153XOPEN_SOURCE XOPEN_SOURCE_EXTENDED XPG2 XPG2_EXTENDED
154XPG3 XPG3_EXTENDED XPG4 XPG4_EXTENDED
155z8000
156EOSH
157# Maybe put other stuff here too.
158cat <<EOSH >>Cppsym.know
159$osname
160EOSH
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161./tr '[a-z]' '[A-Z]' < Cppsym.know > Cppsym.a
162./tr '[A-Z]' '[a-z]' < Cppsym.know > Cppsym.b
d7daf0d3 163$cat Cppsym.know > Cppsym.c
a3e4b67c 164$cat Cppsym.a Cppsym.b Cppsym.c | $tr ' ' $trnl | $sort | $uniq > Cppsym.know
d7daf0d3 165$rm -f Cppsym.a Cppsym.b Cppsym.c
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166cat <<EOSH > Cppsym
167$startsh
168if $test \$# -gt 0; then
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169 echo \$* | $tr " " "$trnl" | ./Cppsym.try > Cppsym.got
170 if $test -s Cppsym.got; then
171 $rm -f Cppsym.got
172 exit 0
173 fi
174 $rm -f Cppsym.got
175 exit 1
86b170fb 176else
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177 $tr " " "$trnl" | ./Cppsym.try
178 exit 0
86b170fb 179fi
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180EOSH
181chmod +x Cppsym
182$eunicefix Cppsym
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183?X: The below awk script will die a horrible death if
184?X: some of the tested symbols are not long ints.
185?X: Also, we do not make difference between just defined and defined zero.
86b170fb 186cat <<EOSH > Cppsym.try
d088635c 187$startsh
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188cat <<'EOCP' > try.c
189#include <stdio.h>
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190#if cpp_stuff == 1
191#define STRINGIFY(a) "a"
192#endif
193#if cpp_stuff == 42
194#define StGiFy(a) #a
195#define STRINGIFY(a) StGiFy(a)
196#endif
197#if $cpp_stuff != 1 && $cpp_stuff != 42
198# include "Bletch: How does this C preprocessor stringify macros?"
199#endif
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200int main() {
201EOCP
762256f8 202?X: The length($1) command guards against possible empty entries.
d7daf0d3 203?X: The awk snippet is know to give heartburn to UNICOS/mk awk.
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204$awk \\
205EOSH
206cat <<'EOSH' >> Cppsym.try
207'length($1) > 0 {
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208 printf "#ifdef %s\nprintf(\"%s=%%s\\n\", STRINGIFY(%s));\n#endif\n", $1, $1, $1
209 printf "#ifdef _%s\nprintf(\"_%s=%%s\\n\", STRINGIFY(_%s));\n#endif\n", $1, $1, $1
210 printf "#ifdef __%s\nprintf(\"__%s=%%s\\n\", STRINGIFY(__%s));\n#endif\n", $1, $1, $1
211 printf "#ifdef __%s__\nprintf(\"__%s__=%%s\\n\", STRINGIFY(__%s__));\n#endif\n", $1, $1, $1
d088635c 212}' >> try.c
7857a0f2 213echo 'return 0;}' >> try.c
86b170fb 214EOSH
d088635c 215cat <<EOSH >> Cppsym.try
d088635c 216ccflags="$ccflags"
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217case "$osname-$gccversion" in
218irix-) ccflags="\$ccflags -woff 1178" ;;
d7daf0d3 219os2-*) ccflags="\$ccflags -Zlinker /PM:VIO" ;;
d1467975 220esac
75ef64fe 221$cc -o try -Dcpp_stuff=$cpp_stuff $optimize \$ccflags $ldflags try.c $libs && $run ./try | $sed 's/ /\\\\ /g'
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222EOSH
223chmod +x Cppsym.try
224$eunicefix Cppsym.try
225./Cppsym < Cppsym.know > Cppsym.true
51c6a14b 226: Add in any linux cpp "predefined macros":
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227case "$osname::$gccversion" in
228 *linux*::*.*)
229 tHdrH=_tmpHdr
230 rm -f $tHdrH'.h' $tHdrH
231 touch $tHdrH'.h'
232 if cpp -dM $tHdrH'.h' > $tHdrH'_cppsym.h' && [ -s $tHdrH'_cppsym.h' ]; then
233 sed 's/#define[\ \ ]*//;s/[\ \ ].*$//' <$tHdrH'_cppsym.h' >$tHdrH'_cppsym.real'
234 if [ -s $tHdrH'_cppsym.real' ]; then
235 cat $tHdrH'_cppsym.real' Cppsym.know | sort | uniq | ./Cppsym | sort | uniq > Cppsym.true
236 fi
237 fi
238 rm -f $tHdrH'.h' $tHdrH'_cppsym.h' $tHdrH'_cppsym.real'
239 ;;
240esac
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241: now check the C compiler for additional symbols
242?X: suggested by Jarkko Hietaniemi <jhi@snakemail.hut.fi>, thanks!
243postprocess_cc_v=''
244case "$osname" in
245aix) postprocess_cc_v="|$tr , ' '" ;;
246esac
247$cat >ccsym <<EOS
248$startsh
249$cat >tmp.c <<EOF
250extern int foo;
251EOF
252for i in \`$cc -v -c tmp.c 2>&1 $postprocess_cc_v\`
253do
254 case "\$i" in
255 -D*) echo "\$i" | $sed 's/^-D//';;
9a944a00 256 -A*) $test "$gccversion" && echo "\$i" | $sed 's/^-A//' | $sed 's/\(.*\)(\(.*\))/\1=\2/';;
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257 esac
258done
259$rm -f try.c
260EOS
261postprocess_cc_v=''
262chmod +x ccsym
263$eunicefix ccsym
264./ccsym > ccsym1.raw
265?X: AIX complains if $uniq is passed an empty file. ($sort apparently
266?X: doesn't care.) --AD 14 July 1998
267if $test -s ccsym1.raw; then
268 $sort ccsym1.raw | $uniq >ccsym.raw
269else
270 mv ccsym1.raw ccsym.raw
271fi
272
273?X: canonicalize symbols for easier sort/uniq/comm usage: append =1 if no = sign
274?X: the awk script must be on two lines for older awk programs, sigh! -- ADO
275$awk '/\=/ { print $0; next }
276 { print $0"=1" }' ccsym.raw >ccsym.list
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277$comm -13 Cppsym.true ccsym.list >ccsym.own
278$comm -12 Cppsym.true ccsym.list >ccsym.com
279$comm -23 Cppsym.true ccsym.list >ccsym.cpp
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280also=''
281if $test -z ccsym.raw; then
282 echo "Your C compiler doesn't seem to define any symbols!" >&4
283 echo " "
284 echo "However, your C preprocessor defines the following symbols:"
285 $cat Cppsym.true
286 ccsymbols=''
287 cppsymbols=`$cat Cppsym.true`
288 cppsymbols=`echo $cppsymbols`
289 cppccsymbols="$cppsymbols"
290else
291 if $test -s ccsym.com; then
292 echo "Your C compiler and pre-processor define these symbols:"
d7daf0d3 293 $sed -e 's/\(..*\)=.*/\1/' ccsym.com
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294 also='also '
295 symbols='ones'
296 cppccsymbols=`$cat ccsym.com`
297 cppccsymbols=`echo $cppccsymbols`
298 $test "$silent" || sleep 1
299 fi
300 if $test -s ccsym.cpp; then
301 $test "$also" && echo " "
302 echo "Your C pre-processor ${also}defines the following symbols:"
d7daf0d3 303 $sed -e 's/\(..*\)=.*/\1/' ccsym.cpp
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304 also='further '
305 cppsymbols=`$cat ccsym.cpp`
306 cppsymbols=`echo $cppsymbols`
307 $test "$silent" || sleep 1
308 fi
309 if $test -s ccsym.own; then
310 $test "$also" && echo " "
311 echo "Your C compiler ${also}defines the following cpp symbols:"
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312 $sed -e 's/\(..*\)=1/\1/' ccsym.own
313 $sed -e 's/\(..*\)=.*/\1/' ccsym.own | $uniq >>Cppsym.true
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314 ccsymbols=`$cat ccsym.own`
315 ccsymbols=`echo $ccsymbols`
316 $test "$silent" || sleep 1
317 fi
318fi
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