diff options
Diffstat (limited to 'mcon/U/d_shmat.U')
| -rw-r--r-- | mcon/U/d_shmat.U | 114 |
1 files changed, 84 insertions, 30 deletions
diff --git a/mcon/U/d_shmat.U b/mcon/U/d_shmat.U index 8289da4..f987472 100644 --- a/mcon/U/d_shmat.U +++ b/mcon/U/d_shmat.U @@ -1,11 +1,11 @@ -?RCS: $Id: d_shmat.U 1 2006-08-24 12:32:52Z rmanfredi $ +?RCS: $Id: d_shmat.U 167 2013-05-08 17:58:00Z rmanfredi $ ?RCS: ?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi ?RCS: -?RCS: You may redistribute only under the terms of the Artistic Licence, +?RCS: You may redistribute only under the terms of the Artistic License, ?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: that same Artistic License; a copy of which may be found at the root ?RCS: of the source tree for dist 4.0. ?RCS: ?RCS: $Log: d_shmat.U,v $ @@ -21,8 +21,7 @@ ?RCS: Revision 3.0 1993/08/18 12:07:18 ram ?RCS: Baseline for dist 3.0 netwide release. ?RCS: -?MAKE:d_shmat shmattype d_shmatprototype: Inlibc cat +cc +ccflags \ - rm cppstdin cppflags cppminus Findhdr Setvar contains +?MAKE:d_shmat shmattype d_shmatprototype: Trylink Setvar cat ?MAKE: -pick add $@ %< ?S:d_shmat: ?S: This variable conditionally defines the HAS_SHMAT symbol, which @@ -57,37 +56,92 @@ ?H:#$d_shmatprototype HAS_SHMAT_PROTOTYPE /**/ ?H:. ?LINT:set d_shmat d_shmatprototype -?T:xxx : see if shmat exists -set shmat d_shmat -eval $inlibc -: see what shmat returns +$cat >try.c <<EOC +#include <sys/shm.h> +int main(void) +{ + static int id, flags; + static void *addr; + (void) shmat(id, addr, flags); + return 0; +} +EOC +cyn=shmat +set d_shmat +eval $trylink + case "$d_shmat" in "$define") - $cat >shmat.c <<'END' + $cat >try.c <<EOC #include <sys/shm.h> -void *shmat(); -END - if $cc $ccflags -c shmat.c >/dev/null 2>&1; then - shmattype='void *' - else - shmattype='char *' - fi - echo "and it returns ($shmattype)." >&4 - : see if a prototype for shmat is available - xxx=`./findhdr sys/shm.h` - $cppstdin $cppflags $cppminus < $xxx > shmat.c 2>/dev/null - if $contains 'shmat.*(' shmat.c >/dev/null 2>&1; then - val="$define" - else - val="$undef" - fi - $rm -f shmat.[co] - ;; -*) - val="$undef" +extern void shmat(void); +int main(void) { return 0; } +EOC + cyn="whether <sys/shm.h> contains the shmat() prototype" + set val + eval $trylink + case "$val" in + "$define") val="$undef";; + *) val="$define";; + esac ;; +*) val="$undef";; esac + set d_shmatprototype eval $setvar +case "$d_shmat" in +"$define") + echo " " + echo "Looking for the correct shmat prototype..." >&4 + ;; +esac + +case "$d_shmat" in +"$define") + $cat >try.c <<EOC +#include <sys/shm.h> +extern void *shmat(int, const void *, int); +int main(void) { return 0; } +EOC + set val + eval $trylink + ;; +esac + +case "$d_shmat" in +"$define") + $cat >try.c <<EOC +#include <sys/shm.h> +extern void *shmat(int, void *, int); +int main(void) { return 0; } +EOC + set val + eval $trylink + case "$val" in + "$define") shmattype='void *';; + esac + ;; +esac + +case "$d_shmat" in +"$define") + $cat >try.c <<EOC +#include <sys/shm.h> +extern char *shmat(int, char *, int); +int main(void) { return 0; } +EOC + set val + eval $trylink + case "$val" in + "$define") shmattype='char *';; + esac + ;; +esac + +case "$d_shmat" in +"$define") echo "shmat() returns $shmattype";; +esac + |