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From: Santiago Vila <sanvila@debian.org>
Subject: Skip probe for const
Bug-Debian: https://bugs.debian.org/1097653
X-Debian-version: 3.24+really3.22-5
--- a/src/autoconf
+++ b/src/autoconf
@@ -703,55 +703,6 @@
cat >_autotst.c <<HERE
-#include "$ACONF"
-#ifndef UNISTD_H_MISSING
-#include <unistd.h> /* execvp() */
-#endif
-int a(b)const int b[];
-{ return *++b; /* watcom 10.6 on QNX refuses this */
-}
-int main()
-{ char r[]="",*const*p;char*q="";const char*s="";
- static const char*const nullp=0,*const*d= &nullp; /* AIX 3.2.3 failure */
- static struct{const int a;int b;}c[2]={{0,0},{0,0}};/* IRIX 7.3.1 compiler */
- /* requires initializers on static const objects */
- --(c+1)->b; /* AIX 3.1.5 machines can't do this */
- p= &q;
- ;{ int pip[2];
- pipe(pip);
- if(fork()) /* this should hide core dumps from the shell */
- { close(pip[1]); /* close the writing end */
- return 1==read(pip[0],r,1)?0:1; /* wait for the rendevouz */
- }
- close(pip[0]); /* close the writing end */
- if(!*d&&c[1].b) /* some magic to confuse the optimiser */
- d=(const char*const*)p; /* core dumps Ultrix 4.3 ANSI C */
- else /* so that it can't complain about the uselessness of this program */
- execvp(q,p); /* IRIX 4.0.1 system-includes are wrong on this point */
- if(write(pip[1],r,1)!=1) /* notify mam that we survived */
- return 1; /* oops, lost mam somehow */
- }
- return r==s; /* Domain/OS warns here, not about "r==s" though */
-}
-HERE
-
-echo 'Testing for const'
-if $MAKE _autotst.$O 2>&1 | $FGREP -v include/ >_autotst.rrr
- test -f _autotst.$O && $MAKE _autotst >$DEVNULL 2>&1 && _autotst
-then
- grepfor const '#define NO_const'
-else
- echo '#define NO_const' >>$ACONF
- set dummy *core*
- if test -f $2 -a $nocore = yes
- then
- echo "Removing core file (bogus readonly segment)"
- $RM *core*
- fi
-fi
-$RM _autotst.$O _autotst
-
-cat >_autotst.c <<HERE
int main(){volatile int i;return (i=0);}
HERE
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