diff options
Diffstat (limited to 'mcon/U/voidflags.U')
| -rw-r--r-- | mcon/U/voidflags.U | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/mcon/U/voidflags.U b/mcon/U/voidflags.U index 4983c24..6ca70fe 100644 --- a/mcon/U/voidflags.U +++ b/mcon/U/voidflags.U @@ -1,12 +1,12 @@ -?RCS: $Id: voidflags.U,v 3.0.1.2 1997/02/28 16:27:58 ram Exp $ +?RCS: $Id$ ?RCS: -?RCS: Copyright (c) 1991-1993, Raphael Manfredi +?RCS: Copyright (c) 1991-1997, 2004-2006, 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: of the source tree for dist 4.0. ?RCS: ?RCS: $Log: voidflags.U,v $ ?RCS: Revision 3.0.1.2 1997/02/28 16:27:58 ram @@ -18,7 +18,7 @@ ?RCS: Revision 3.0 1993/08/18 12:10:01 ram ?RCS: Baseline for dist 3.0 netwide release. ?RCS: -?MAKE:voidflags defvoidused: cat rm contains +cc +ccflags package \ +?MAKE:voidflags defvoidused: cat sed rm contains +cc +ccflags package \ Oldconfig Myread ?MAKE: -pick add $@ %< ?S:voidflags: @@ -26,6 +26,9 @@ ?S: which indicates how much support of the void type is given by this ?S: compiler. See VOIDFLAGS for more info. ?S:. +?S:defvoidused: +?S: This variable contains the default value of the VOIDUSED symbol (15). +?S:. ?X: Exceptionally, we have to explicitely alias the symbol name for ?X: config_h.SH, otherwise the comment would not appear. ?C:VOIDFLAGS ~ %<: @@ -54,23 +57,24 @@ ?H:?%<:#endif ?H:. ?W:%<:void +?F:!.out !try.c !flags +?LINT:usefile .out flags try.c ?INIT:: full support for void wanted by default ?INIT:defvoidused=15 ?INIT: -?LINT:describe defvoidused ?LINT:known void M_VOID VOIDUSED : check for void type echo " " echo "Checking to see how well your C compiler groks the void type..." >&4 -echo " " -$cat >&4 <<EOM +$cat >flags <<EOM + Support flag bits are: 1: basic void declarations. 2: arrays of pointers to functions returning void. 4: operations between pointers to and addresses of void functions. 8: generic void pointers. + EOM -echo " " case "$voidflags" in '') $cat >try.c <<'EOCP' @@ -95,19 +99,21 @@ sub() { #endif exit(0); } -main() { sub(); } +int main() { sub(); } EOCP ?X: This unit used to use cc -S in those tests to try to speed up things, but ?X: unfortunately, AIX 3.2 does not support this option. if $cc $ccflags -c -DTRY=$defvoidused try.c >.out 2>&1 ; then voidflags=$defvoidused - echo "It appears to support void to the level $package wants ($defvoidused)." + echo "Good. It appears to support void to the level $package wants." if $contains warning .out >/dev/null 2>&1; then echo "However, you might get some warnings that look like this:" - $cat .out + $sed -e 's/^/ /' .out fi else echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4 + $cat >&4 flags + $rm -f flags if $cc $ccflags -c -DTRY=1 try.c >/dev/null 2>&1; then echo "It supports 1..." if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then @@ -147,13 +153,16 @@ echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4 esac ?X: Only prompt user if support does not match the level we want case "$voidflags" in -"$defvoidused") ;; +"$defvoidused") + echo "Good. I already know it supports void to the level $package wants." + ;; *) dflt="$voidflags"; + test -f flags && $cat flags rp="Your void support flags add up to what?" . ./myread voidflags="$ans" ;; esac -$rm -f try.* .out +$rm -f try.* .out flags |