error messages during compile

[Denys Vlasenko]

On Monday 29 November 2010 13:52, David Collier wrote:
> In article <memo.20101129125103.1860A at postmaster+dexdyne.com.cix.co.uk>,
> from_busybox_maillist at dexdyne.com (David Collier) wrote:
> 
> > *From:* "David Collier" <from_busybox_maillist at dexdyne.com>
> > *To:* busybox at busybox.net
> > *Date:* Mon, 29 Nov 2010 12:51 +0000 (GMT Standard Time)
> > 
> > I've just cross-compiled busybox for the AVR32. I encountered a fair
> > number of compilation errors.
> > 
> > Could someone glance at them and assure me they are all ignorable?
> > 
> > If so, then would it be possible to get them fixed/suppressed so 
> > the only
> > chatter we see is meaningful?
> 
> 
> Sorry guys, failure in the CTRL-V department.
> 
> D
> 
> 
> 
> avr32 at avr32:~/busybox_playpen/try1/busybox$ make ARCH=avr32
> CROSS_COMPILE=avr32-linux- KBUILD_HAVE_NLS=yes
>   HOSTLD  scripts/kconfig/conf
> scripts/kconfig/conf -s Config.in
> #
> # using defaults found in .config
> #
>   SPLIT   include/autoconf.h -> include/config/*
>   GEN     include/bbconfigopts.h
>   HOSTCC  applets/usage
> applets/usage.c: In function ‘main’:
> applets/usage.c:52: warning: ignoring return value of ‘write’, declared
> with attribute warn_unused_result
>   GEN     include/usage_compressed.h
>   HOSTCC  applets/applet_tables
> applets/applet_tables.c: In function ‘main’:
> applets/applet_tables.c:138: warning: ignoring return value of ‘fgets’,
> declared with attribute warn_unused_result
>   GEN     include/applet_tables.h
>   CC      applets/applets.o
>   LD      applets/built-in.o
>   HOSTCC  applets/usage_pod
> applets/usage_pod.c: In function ‘main’:
> applets/usage_pod.c:74: warning: format not a string literal and no
> format arguments
>   CC      coreutils/date.o
>   CC      coreutils/dd.o
> 
> ....................................
> 
>   AR      init/lib.a
>   LD      libbb/built-in.o
>   CC      libbb/appletlib.o
> In file included from libbb/appletlib.c:69:
> include/unarchive.h:17: warning: integer overflow in expression
> include/unarchive.h:17: warning: integer overflow in expression
>   CC      libbb/ask_confirmation.o
>   CC      libbb/bb_askpass.o
>   CC      libbb/bb_basename.o
> 
> ..................................
> 
>   CC      libbb/read_key.o
>   CC      libbb/read_printf.o
> In file included from libbb/read_printf.c:18:
> include/unarchive.h:17: warning: integer overflow in expression
> include/unarchive.h:17: warning: integer overflow in expression
>   CC      libbb/recursive_action.o
>   CC      libbb/remove_file.o
>   CC      libbb/rtc.o
> 
> ....................................
> 
>   CC      loginutils/passwd.o
>   CC      loginutils/su.o
> loginutils/su.c: In function 'su_main':
> loginutils/su.c:45: warning: unused variable 'user_buf'

Fixed in git.

>   CC      loginutils/sulogin.o
>   CC      loginutils/vlock.o
> 
> ........................................
> 
>   CC      procps/renice.o
>   CC      procps/smemcap.o
> In file included from procps/smemcap.c:23:
> include/unarchive.h:17: warning: integer overflow in expression
> include/unarchive.h:17: warning: integer overflow in expression
>   CC      procps/sysctl.o
>   CC      procps/top.o
> 
> .......................................
> 
>   CC      util-linux/losetup.o
>   CC      util-linux/mdev.o
>   CC      util-linux/mkfs_ext2.o
> util-linux/mkfs_ext2.c: In function 'mkfs_ext2_main':
> util-linux/mkfs_ext2.c:447: warning: overflow in implicit constant
> conversion
> util-linux/mkfs_ext2.c:473: warning: overflow in implicit constant
> conversion
>   CC      util-linux/mkfs_vfat.o
> util-linux/mkfs_vfat.c: In function 'mkfs_vfat_main':
> util-linux/mkfs_vfat.c:494: warning: overflow in implicit constant
> conversion
> util-linux/mkfs_vfat.c:495: warning: overflow in implicit constant
> conversion
>   CC      util-linux/mkswap.o
>   CC      util-linux/more.o
>   CC      util-linux/mount.o


The rest seems to be spurious.
-- 
vda