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Diffstat (limited to 'mcon/U/d_volatile.U')
| -rw-r--r-- | mcon/U/d_volatile.U | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/mcon/U/d_volatile.U b/mcon/U/d_volatile.U new file mode 100644 index 0000000..fdedc8e --- /dev/null +++ b/mcon/U/d_volatile.U @@ -0,0 +1,74 @@ +?RCS: $Id: d_volatile.U,v 3.0.1.2 1995/07/25 14:08:49 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: d_volatile.U,v $ +?RCS: Revision 3.0.1.2 1995/07/25 14:08:49 ram +?RCS: patch56: made cc and ccflags optional dependencies +?RCS: +?RCS: Revision 3.0.1.1 1993/09/09 11:49:51 ram +?RCS: patch9: volatile definition was swapped over with undef +?RCS: +?RCS: Revision 3.0 1993/08/18 12:07:57 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:d_volatile: cat +cc +ccflags rm Setvar +?MAKE: -pick add $@ %< +?S:d_volatile: +?S: This variable conditionally defines the HASVOLATILE symbol, which +?S: indicates to the C program that this C compiler knows about the +?S: volatile declaration. +?S:. +?C:HASVOLATILE ~ %<: +?C: This symbol, if defined, indicates that this C compiler knows about +?C: the volatile declaration. +?C:. +?H:?%<:#$d_volatile HASVOLATILE /**/ +?H:?%<:#ifndef HASVOLATILE +?H:?%<:#define volatile +?H:?%<:#endif +?H:. +?W:%<:volatile +?LINT:set d_volatile +?LINT:known volatile +: check for volatile keyword +echo " " +echo 'Checking to see if your C compiler knows about "volatile"...' >&4 +$cat >try.c <<'EOCP' +main() +{ +?X: +?X: The following seven lines added by Bill Campbell <billc@sierra.com> +?X: detect that MIPS compilers do not handle volatile in all situations. +?X: + typedef struct _goo_struct goo_struct; + goo_struct * volatile goo = ((goo_struct *)0); + struct _goo_struct { + long long_int; + int reg_int; + char char_var; + }; + typedef unsigned short foo_t; + char *volatile foo; + volatile int bar; + volatile foo_t blech; + foo = foo; +} +EOCP +if $cc -c $ccflags try.c >/dev/null 2>&1 ; then + val="$define" + echo "Yup, it does." +else + val="$undef" + echo "Nope, it doesn't." +fi +set d_volatile +eval $setvar +$rm -f try.* + |