New: Coreutils fails to build target src/src_libsinglebin_pinky_a-pinky.o

https://bugs.busybox.net/show_bug.cgi?id=9551

Bug ID: 9551
Summary: Coreutils fails to build target
src/src_libsinglebin_pinky_a-pinky.o
Product: buildroot
Version: 2016.11
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P5
Component: Other
Assignee: unassigned at buildroot.uclibc.org
Reporter: bilge at scriptfusion.com
CC: buildroot at uclibc.org
Target Milestone: ---

Given the following config using the toolchain available from
https://github.com/Docker-nano/crosstool-NG/releases/download/2.0.0/x86_64-nano-linux-uclibc.tar.xz

BR2_x86_64=y
BR2_WGET="wget --passive-ftp -nd -t 3 -nv" BR2_GLOBAL_PATCH_DIR="patches" BR2_TOOLCHAIN_EXTERNAL=y BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y BR2_TOOLCHAIN_EXTERNAL_PATH="$(HOME)/toolchain" BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="$(ARCH)-nano-linux-uclibc" BR2_TOOLCHAIN_EXTERNAL_GCC_5=y BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_3=y BR2_TOOLCHAIN_EXTERNAL_WCHAR=y BR2_TOOLCHAIN_EXTERNAL_HAS_SSP=y BR2_TOOLCHAIN_EXTERNAL_CXX=y BR2_TARGET_GENERIC_HOSTNAME="Docker-nano" BR2_TARGET_GENERIC_ISSUE="Docker nano"
BR2_INIT_NONE=y
# BR2_TARGET_GENERIC_GETTY is not set BR2_ROOTFS_OVERLAY="rootfs_overlay" BR2_ROOTFS_POST_BUILD_SCRIPT="./post_build.sh"
# BR2_PACKAGE_BUSYBOX is not set BR2_PACKAGE_COREUTILS=y
BR2_TARGET_ROOTFS_TAR_XZ=y

Coreutils build dies with the following error.

In file included from src/pinky.c:30:0:
./lib/readutmp.h:148:30: warning: implicit declaration of function 'UT_USER' [-Wimplicit-function-declaration]

 enum { UT_USER_SIZE = sizeof UT_USER ((STRUCT_UTMP *) 0) };
                              ^
src/pinky.c: In function 'time_string':
src/pinky.c:186:14: warning: implicit declaration of function 'UT_TIME_MEMBER'
[-Wimplicit-function-declaration]
   time_t t = UT_TIME_MEMBER (utmp_ent);
              ^
src/pinky.c: In function 'print_entry':
src/pinky.c:210:29: error: dereferencing pointer to incomplete type
'STRUCT_UTMP {aka const struct UTMP_STRUCT_NAME}'
   char line[sizeof (utmp_ent->ut_line) + DEV_DIR_LEN + 1];
                             ^
src/pinky.c:238:22: warning: passing argument 2 of 'stzncpy' makes pointer from
integer without a cast [-Wint-conversion]
       stzncpy (name, UT_USER (utmp_ent), UT_USER_SIZE);
                      ^

In file included from src/pinky.c:25:0:
src/system.h:713:1: note: expected 'const char *' but argument is of type 'int'
stzncpy (char *restrict dest, char const *restrict src, size_t len) ^
In file included from src/pinky.c:30:0:
src/pinky.c: In function 'scan_entries':
./lib/readutmp.h:203:16: error: subscripted value is neither array nor pointer nor vector

    (UT_USER (U)[0]                                              \
                ^

src/pinky.c:441:11: note: in expansion of macro 'IS_USER_PROCESS'
if (IS_USER_PROCESS (utmp_buf))
^
In file included from src/pinky.c:25:0:
src/pinky.c:448:32: warning: passing argument 1 of 'strncmp' makes pointer from integer without a cast [-Wint-conversion]
if (STREQ_LEN (UT_USER (utmp_buf), argv_names[i],
UT_USER_SIZE))

                                ^
src/system.h:192:38: note: in definition of macro 'STREQ_LEN'
 #define STREQ_LEN(a, b, n) (strncmp (a, b, n) == 0)
                                      ^
In file included from ./lib/string.h:41:0,
                 from src/system.h:72,
                 from src/pinky.c:25:
/root/buildroot-2016.11/output/host/usr/x86_64-buildroot-linux-uclibc/sysroot/usr/include/string.h:101:12:
note: expected 'const char *' but argument is of type 'int'
 extern int strncmp (const char *__s1, const char *__s2, size_t __n)
            ^
src/pinky.c:457:15: error: increment of pointer to an incomplete type
'STRUCT_UTMP {aka const struct UTMP_STRUCT_NAME}'
       utmp_buf++;
               ^

Makefile:10084: recipe for target 'src/src_libsinglebin_pinky_a-pinky.o' failed make[3]: *** [src/src_libsinglebin_pinky_a-pinky.o] Error 1 make[3]: *** Waiting for unfinished jobs....
make[3]: Leaving directory '/root/buildroot-2016.11/output/build/coreutils-8.25' Makefile:11287: recipe for target 'all-recursive' failed
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory '/root/buildroot-2016.11/output/build/coreutils-8.25' Makefile:5833: recipe for target 'all' failed
make[1]: *** [all] Error 2
make[1]: Leaving directory '/root/buildroot-2016.11/output/build/coreutils-8.25' package/pkg-generic.mk:216: recipe for target '/root/buildroot-2016.11/output/build/coreutils-8.25/.stamp_built' failed
make: *** [/root/buildroot-2016.11/output/build/coreutils-8.25/.stamp_built] Error 2

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https://bugs.busybox.net/show_bug.cgi?id=9551

Yann E. MORIN <[email protected]> changed:

What |Removed |Added
----------------------------------------------------------------------------

                 CC|                            |yann.morin.1998 at free.fr
         Resolution|---                         |INVALID
             Status|NEW                         |RESOLVED

--- Comment #1 from Yann E. MORIN <[email protected]> --- Bilge,

The coreutils buildsystem detects features of the toolchain, and generates "accessors" to various internals. UT_USER is an accessor to fields of the utmp (or utmpx) structure.

Your toolchain lacks this structure or this field in this structure.

You have to realize that uClibc is configurable, and if you configure it with very few features, then things will start to break.

Fix your toolchain, or use a pre-built one.

Regards,
Yann E. MORIN.

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--- Comment #2 from bilge at scriptfusion.com ---
Hi Yann,

Thanks, I believe your analysis is exactly correct: I am missing utmpx, but not because I deliberately disabled it; that feature is disabled by default in uClibc 1.0.9. However, I'll be sure to enable it now!

Thanks,
Bilge.

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