diff options
| author | Manoj Srivastava <srivasta@debian.org> | 2003-12-01 17:11:15 +0000 |
|---|---|---|
| committer | Manoj Srivastava <srivasta@debian.org> | 2003-12-01 17:11:15 +0000 |
| commit | 371472d9fb6a936149b105a6563a0550d35bdf1a (patch) | |
| tree | 6d23751e44a7dddf4e29918551f1ea0513352622 /mcon/U/d_const.U | |
Initial import of upstream branch
Initial import of upstream branch
git-archimport-id: srivasta@debian.org--2003-primary/dist--upstream--3.70--base-0
Diffstat (limited to 'mcon/U/d_const.U')
| -rw-r--r-- | mcon/U/d_const.U | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/mcon/U/d_const.U b/mcon/U/d_const.U new file mode 100644 index 0000000..cde8bd1 --- /dev/null +++ b/mcon/U/d_const.U @@ -0,0 +1,64 @@ +?RCS: $Id: d_const.U,v 3.0.1.1 1993/11/10 17:33:41 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_const.U,v $ +?RCS: Revision 3.0.1.1 1993/11/10 17:33:41 ram +?RCS: patch14: stronger const check with added typedef for MIPS cc +?RCS: +?RCS: Revision 3.0 1993/08/18 12:05:51 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:d_const: cat cc ccflags Setvar +?MAKE: -pick add $@ %< +?S:d_const: +?S: This variable conditionally defines the HASCONST symbol, which +?S: indicates to the C program that this C compiler knows about the +?S: const type. +?S:. +?C:HASCONST ~ %<: +?C: This symbol, if defined, indicates that this C compiler knows about +?C: the const type. There is no need to actually test for that symbol +?C: within your programs. The mere use of the "const" keyword will +?C: trigger the necessary tests. +?C:. +?H:?%<:#$d_const HASCONST /**/ +?H:?%<:#ifndef HASCONST +?H:?%<:#define const +?H:?%<:#endif +?H:. +?W:%<:const +?LINT:set d_const +?LINT:known const +: check for const keyword +echo " " +echo 'Checking to see if your C compiler knows about "const"...' >&4 +$cat >const.c <<'EOCP' +?X: mmcg@bruce.cs.monash.edu.au reports that: +?X: The MIPS cc compiler (V2.10) on a dec 5000 running Ultrix 4.2A +?X: pretends to understand `const' but doesn't - it'll also fail to +?X: handle typedefs properly if they're declared const. To guard +?X: against this, boost up the test by using an explicit typedef... +typedef struct spug { int drokk; } spug; +main() +{ + const char *foo; + const spug y; +} +EOCP +if $cc -c $ccflags const.c >/dev/null 2>&1 ; then + val="$define" + echo "Yup, it does." +else + val="$undef" + echo "Nope, it doesn't." +fi +set d_const +eval $setvar + |