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List:       busybox
Subject:    Re: playing around with allyesconfig on current master
From:       Denys Vlasenko <vda.linux () googlemail ! com>
Date:       2016-08-28 23:07:57
Message-ID: CAK1hOcPc8TZ-W-B4rs9U-ZzjBaKRCJBXUrE3HAXM7uYVifgRvQ () mail ! gmail ! com
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That's why I run hundreds of randomconfig builds before every release

On Sun, Aug 28, 2016 at 3:11 PM, Cristian Ionescu-Idbohrn
<cristian.ionescu-idbohrn@axis.com> wrote:
> At commit d3d7f085ebf2898b62d4bb75566122c65be96454.
> 
> First CONFIG_SELINUX=y, and then:
> 
> Package libselinux was not found in the pkg-config search path.
> Perhaps you should add the directory containing `libselinux.pc'
> to the PKG_CONFIG_PATH environment variable
> No package 'libselinux' found
> Package libsepol was not found in the pkg-config search path.
> Perhaps you should add the directory containing `libsepol.pc'
> to the PKG_CONFIG_PATH environment variable
> No package 'libsepol' found
> 
> Easy to avoid that with '# CONFIG_SELINUX is not set'.
> 
> Seems `pkg-config --exists --print-errors' is already run.  Then why
> not show the messages but generate .config with "# CONFIG_SELINUX is
> not set'?
> 
> Next.  allyesconfig sets the default shell CONFIG_HUSH=y and:
> 
> shell/hush.c:1334:13: error: 'close_all_FILE_list' defined but not used \
> [-Werror=unused-function] static void close_all_FILE_list(void)
> 
> Alright, let's change to ash.  `make menuconfig' -> Shells.  But ash
> is not on the list.  Something to do with "Depends on: !NOMMU"? Yes.
> Deselect Busybox Settings -> Build Options -> Force NOMMU build.
> Ash is now a visible option.  Make it the default shell too.
> 
> In file included from util-linux/fdisk.c:641:0:
> util-linux/fdisk_osf.c: In function 'bsd_select':
> util-linux/fdisk_osf.c:364:6: error: implicit declaration of function 'partname' \
> [-Werror=implicit-function-declaration] partname(disk_device, t+1, 0));
> ^~~~~~~~
> util-linux/fdisk.c: At top level:
> util-linux/fdisk.c:2062:1: error: conflicting types for 'partname'
> partname(const char *dev, int pno, int lth)
> ^~~~~~~~
> In file included from util-linux/fdisk.c:641:0:
> util-linux/fdisk_osf.c:364:6: note: previous implicit declaration of 'partname' was \
> here partname(disk_device, t+1, 0));
> ^~~~~~~~
> 
> Let's disable "Support BSD disklabels".
> 
> In file included from util-linux/fdisk.c:680:0:
> util-linux/fdisk_sgi.c: In function 'sgi_list_table':
> util-linux/fdisk_sgi.c:329:25: error: implicit declaration of function 'partnam' \
> [-Werror=implicit-function-declaration] /* device */            \
> partname(disk_device, kpi, w+3), ^~~~~~~~
> util-linux/fdisk.c: At top level:
> util-linux/fdisk.c:2062:1: error: conflicting types for 'partname'
> partname(const char *dev, int pno, int lth)
> ^~~~~~~~
> In file included from util-linux/fdisk.c:680:0:
> util-linux/fdisk_sgi.c:329:25: note: previous implicit declaration of 'partname' \
> was here /* device */            partname(disk_device, kpi, w+3),
> 
> Let's disable "Support SGI disklabels" too.
> 
> In file included from util-linux/fdisk.c:698:0:
> util-linux/fdisk_sun.c: In function 'sun_list_table':
> util-linux/fdisk_sun.c:661:5: error: implicit declaration of function 'partname' \
> [-Werror=implicit-function-declaration] partname(disk_device, i+1, w),              \
> /* device */ ^~~~~~~~
> util-linux/fdisk.c: At top level:
> util-linux/fdisk.c:2062:1: error: conflicting types for 'partname'
> partname(const char *dev, int pno, int lth)
> ^~~~~~~~
> In file included from util-linux/fdisk.c:698:0:
> util-linux/fdisk_sun.c:661:5: note: previous implicit declaration of 'partname' was \
> here partname(disk_device, i+1, w),                  /* device */
> 
> Disable "Support SUN disklabels".
> 
> gcc: error: cannot specify -static with -fsanitize=address
> Note: if build needs additional libraries, put them in
> CONFIG_EXTRA_LDLIBS.
> Example: CONFIG_EXTRA_LDLIBS="pthread dl tirpc audit pam"
> Makefile:717: recipe for target 'busybox_unstripped' failed
> 
> Disable Busybox Settings -> Build Options -> Build BusyBox as a static
> binary (no shared libs).
> 
> Finally, it builds and runs.
> 
> I'm not making any suggestions, but the HUSH and the STATIC may be
> real bugs.  "Support (odd) disklabels" disabled per default may also
> simplify for many/most of the user base.  Default CONFIG_NOMMU=y, I
> have no idea how common that is today.
> 
> 
> Cheers,
> 
> --
> Cristian
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> busybox@busybox.net
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