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Diffstat (limited to 'mcon/U/mallocsrc.U')
| -rw-r--r-- | mcon/U/mallocsrc.U | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/mcon/U/mallocsrc.U b/mcon/U/mallocsrc.U new file mode 100644 index 0000000..79da8a1 --- /dev/null +++ b/mcon/U/mallocsrc.U @@ -0,0 +1,171 @@ +?RCS: $Id$ +?RCS: +?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 4.0. +?RCS: +?RCS: $Log: mallocsrc.U,v $ +?RCS: Revision 3.0.1.2 1997/02/28 16:10:26 ram +?RCS: patch61: added support for Free_t, the type of free() +?RCS: patch61: replaced .o with $_o all over the place +?RCS: +?RCS: Revision 3.0.1.1 1994/05/06 15:10:46 ram +?RCS: patch23: added support for MYMALLOC, mainly for perl5 (ADO) +?RCS: +?RCS: Revision 3.0 1993/08/18 12:09:12 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:mallocsrc mallocobj usemymalloc malloctype d_mymalloc \ + freetype: Myread \ + Oldconfig package Guess Setvar rm cat +cc +ccflags Findhdr \ + i_malloc i_stdlib sed libs _o ptrsize +?MAKE: -pick add $@ %< +?X: Put near top so that other tests don't erroneously include +?X: -lmalloc. --AD 22 June 1998 +?Y:TOP +?S:usemymalloc: +?S: This variable contains y if the malloc that comes with this package +?S: is desired over the system's version of malloc. People often include +?S: special versions of malloc for effiency, but such versions are often +?S: less portable. See also mallocsrc and mallocobj. +?S: If this is 'y', then -lmalloc is removed from $libs. +?S:. +?S:mallocsrc: +?S: This variable contains the name of the malloc.c that comes with +?S: the package, if that malloc.c is preferred over the system malloc. +?S: Otherwise the value is null. This variable is intended for generating +?S: Makefiles. +?S:. +?S:d_mymalloc: +?S: This variable conditionally defines MYMALLOC in case other parts +?S: of the source want to take special action if MYMALLOC is used. +?S: This may include different sorts of profiling or error detection. +?S:. +?S:mallocobj: +?S: This variable contains the name of the malloc.o that this package +?S: generates, if that malloc.o is preferred over the system malloc. +?S: Otherwise the value is null. This variable is intended for generating +?S: Makefiles. See mallocsrc. +?S:. +?S:freetype: +?S: This variable contains the return type of free(). It is usually +?S: void, but occasionally int. +?S:. +?S:malloctype: +?S: This variable contains the kind of ptr returned by malloc and realloc. +?S:. +?C:Free_t: +?C: This variable contains the return type of free(). It is usually +?C: void, but occasionally int. +?C:. +?C:Malloc_t (MALLOCPTRTYPE): +?C: This symbol is the type of pointer returned by malloc and realloc. +?C:. +?H:#define Malloc_t $malloctype /**/ +?H:#define Free_t $freetype /**/ +?H:. +?C:MYMALLOC: +?C: This symbol, if defined, indicates that we're using our own malloc. +?C:. +?H:#$d_mymalloc MYMALLOC /**/ +?H:. +?LINT:change libs +?X: Cannot test for mallocsrc; it is the unit's name and there is a bug in +?X: the interpreter which defines all the names, even though they are not used. +@if mallocobj +: determine which malloc to compile in +echo " " +case "$usemymalloc" in +[yY]*|true|$define) dflt='y' ;; +[nN]*|false|$undef) dflt='n' ;; +*) + case "$ptrsize" in + 4) dflt='y' ;; + *) dflt='n' ;; + esac + ;; +esac +rp="Do you wish to attempt to use the malloc that comes with $package?" +. ./myread +usemymalloc="$ans" +case "$ans" in +y*|true) + usemymalloc='y' + mallocsrc='malloc.c' + mallocobj="malloc$_o" + d_mymalloc="$define" +?X: Maybe libs.U should be dependent on mallocsrc.U, but then +?X: most packages that use dist probably don't supply their own +?X: malloc, so this is probably an o.k. comprpomise + case "$libs" in + *-lmalloc*) + : Remove malloc from list of libraries to use + echo "Removing unneeded -lmalloc from library list" >&4 + set `echo X $libs | $sed -e 's/-lmalloc / /' -e 's/-lmalloc$//'` + shift + libs="$*" + echo "libs = $libs" >&4 + ;; + esac + ;; +*) + usemymalloc='n' + mallocsrc='' + mallocobj='' + d_mymalloc="$undef" + ;; +esac + +@end +@if MALLOCPTRTYPE || Malloc_t || Free_t +: compute the return types of malloc and free +echo " " +$cat >malloc.c <<END +#$i_malloc I_MALLOC +#$i_stdlib I_STDLIB +#include <stdio.h> +#include <sys/types.h> +#ifdef I_MALLOC +#include <malloc.h> +#endif +#ifdef I_STDLIB +#include <stdlib.h> +#endif +#ifdef TRY_MALLOC +void *malloc(); +#endif +#ifdef TRY_FREE +void free(); +#endif +END +@if MALLOCPTRTYPE || Malloc_t +case "$malloctype" in +'') + if $cc $ccflags -c -DTRY_MALLOC malloc.c >/dev/null 2>&1; then + malloctype='void *' + else + malloctype='char *' + fi + ;; +esac +echo "Your system wants malloc to return '$malloctype', it would seem." >&4 +@end + +@if Free_t +case "$freetype" in +'') + if $cc $ccflags -c -DTRY_FREE malloc.c >/dev/null 2>&1; then + freetype='void' + else + freetype='int' + fi + ;; +esac +echo "Your system uses $freetype free(), it would seem." >&4 +@end +$rm -f malloc.[co] +@end |