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bash-2.05 build problem and fix for AIX 4.3.3
From: |
Jesse Raynor |
Subject: |
bash-2.05 build problem and fix for AIX 4.3.3 |
Date: |
Fri, 22 Mar 2002 20:56:23 -0600 |
Configuration Information [Automatically generated, do not change]:
Machine: powerpc
OS: aix4.3.3.0
Compiler: cc
Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='powerpc'
-DCONF_OSTYPE='aix4.3.3.0' -DCONF_MACHTYPE='powerpc-ibm-aix4.3.3.0'
-DCONF_VENDOR='ibm' -DSHELL -DHAVE_CONFIG_H -I. -I. -I./include -I./lib
-I/opt/bash-2.05/include -g
uname output: AIX aldrin 3 4 000964154C00
Machine Type: powerpc-ibm-aix4.3.3.0
Bash Version: 2.05
Patch Level: 0
Release Status: release
Description:
During the build process, support/mksignames.c is compiled and then
run. The program dies because of a signal 11. Here is some make ouput:
cc -DPROGRAM='"bash"' -DCONF_HOSTTYPE='"powerpc"'
-DCONF_OSTYPE='"aix4.3.3.0"' -DCONF_MACHTYPE='"powerpc-ibm-aix4.3.3.0"'
-DCONF_VENDOR='"ibm"' -DSHELL
-DHAVE_CONFIG_H -I. -I. -I./include -I./lib -I/opt/bash-2.05/include -g -o
mksignames ./support/mksignames.c
rm -f lsignames.h
./mksignames lsignames.h
make: 1254-059 The signal code from the last command is 11.
Stop.
The reason it dies is because signal_names is an array of size 128 (2 * NSIG),
but the program tries to assign "SIGRTMIN" to signal_names[rtmin], with rtmin
== 888. The code also tries to assign "SIGRTMAX" to signal_names[rtmax] with
rtmax == 999. The following comment and code begins on line 41 of mksignames.c:
/* AIX 4.3 defines SIGRTMIN and SIGRTMAX as 888 and 999 respectively.
I don't want to allocate so much unused space for the intervening signal
numbers, so we just punt if SIGRTMAX is past the bounds of the
signal_names array (handled in configure). */
#if defined (SIGRTMAX) && defined (UNUSABLE_RT_SIGNALS)
# undef SIGRTMAX
# undef SIGRTMIN
#endif
It seems configure should set UNUSABLE_RT_SIGNALS, and it does. So SIGRTMAX
and SIGRTMIN should get undef'ed. But they don't. I think it's because you
didn't include config.h in support/mksignames.c.
I added #include "config.h" to the top of the file, but after the copyright
notice, and bash compiled just fine.
Repeat-By:
./configure --prefix=/opt/bash-2.05
make
Fix:
add #include "config.h" to the file support/mksignames.c
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