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Diffstat (limited to 'mcon/U/Typedef.U')
| -rw-r--r-- | mcon/U/Typedef.U | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/mcon/U/Typedef.U b/mcon/U/Typedef.U new file mode 100644 index 0000000..2018d4a --- /dev/null +++ b/mcon/U/Typedef.U @@ -0,0 +1,62 @@ +?RCS: $Id: Typedef.U,v 3.0.1.3 1995/07/25 13:42:07 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: Typedef.U,v $ +?RCS: Revision 3.0.1.3 1995/07/25 13:42:07 ram +?RCS: patch56: added backslash escapes within evals to prevent space problems +?RCS: +?RCS: Revision 3.0.1.2 1994/10/29 16:01:16 ram +?RCS: patch36: don't clobber visible 'val' variable, use 'varval' instead +?RCS: +?RCS: Revision 3.0.1.1 1994/08/29 16:05:14 ram +?RCS: patch32: created +?RCS: +?X: +?X: This unit checks for the definition of a given typedef. +?X: +?X: To use it, say: +?X: set typedef val_t default [includes] +?X: eval $typedef +?X: +?MAKE:Typedef: cppstdin cppminus cppflags rm contains Oldconfig +?MAKE: -pick add $@ %< +?LINT:define typedef +?V:typedef +?S:typedef: +?S: This shell variable is used internally by Configure to check +?S: wether a given typedef is defined or not. A typical use is: +?S: set typedef val_t default [includes] +?S: eval $typedef +?S: That will return val_t set to default if the typedef was not found, +?S: to typedef otherwise. If no includes are specified, look in sys/types.h. +?S:. +?T:type var def inclist varval inc +: define an is-a-typedef? function +typedef='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@; +case "$inclist" in +"") inclist="sys/types.h";; +esac; +eval "varval=\$$var"; +case "$varval" in +"") + $rm -f temp.c; + for inc in $inclist; do + echo "#include <$inc>" >>temp.c; + done; + $cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null; + if $contains $type temp.E >/dev/null 2>&1; then + eval "$var=\$type"; + else + eval "$var=\$def"; + fi; + $rm -f temp.?;; +*) eval "$var=\$varval";; +esac' + |