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./stdio.h:477:1: error: 'gets' undeclared here (not in a function)解決

./stdio.h:477:1: error: 'gets' undeclared here (not in a function)解決   今天編譯一個bsp包時,出現如下錯誤,簡直不知道為嘛,按理說官方給的bsp包沒什麼問吧,但在ubuntu 13.4下編譯,出現如標題的錯誤,於是只能google,問題是解決了   I hope you are all well.   Glibc-2.16.0 has been released http://ftp.gnu.org/gnu/glibc/glibc-2.16.0.tar.xz The good news is that it no longer needs the patches that are in current LFS. However, there are still some problems with it. Firstly, the libgcc_s.so issue:   /mnt/lfs/tools/bin/../lib/gcc/x86_64-lfs-linux-gnu/4.7.1/../../../../x86_64-lfs-linux-gnu/bin/ld: cannot find -lgcc_s collect2: error: ld returned 1 exit status make[2]: *** [/mnt/lfs/sources/glibc-build/iconv/iconv_prog] Error 1 make[2]: *** Waiting for unfinished jobs.... make[2]: Leaving directory `/mnt/lfs/sources/glibc-2.16.0/iconv' make[1]: *** [iconv/others] Error 2 make[1]: Leaving directory `/mnt/lfs/sources/glibc-2.16.0' make: *** [all] Error 2   Fixed by: sed -i 's# -lgcc_s##' Makeconfig (We won't hit the libgcc_s.so problem with Gcc until we start using Gcc-4.7.2) Then an error due to a problem with gcc:   /mnt/lfs/sources/glibc-build/resolv/libresolv_pic.a(gethnamaddr.os): In function `getanswer': /mnt/lfs/sources/glibc-2.16.0/resolv/gethnamaddr.c:180: undefined reference to `__stack_chk_guard' /mnt/lfs/sources/glibc-2.16.0/resolv/gethnamaddr.c:483: undefined reference to `__stack_chk_guard' /mnt/lfs/sources/glibc-build/resolv/libresolv_pic.a(gethnamaddr.os): In function `res_gethostbyaddr': /mnt/lfs/sources/glibc-2.16.0/resolv/gethnamaddr.c:644: undefined reference to `__stack_chk_guard' /mnt/lfs/sources/glibc-2.16.0/resolv/gethnamaddr.c:783: undefined reference to `__stack_chk_guard' /mnt/lfs/sources/glibc-build/resolv/libresolv_pic.a(gethnamaddr.os): In function `__GI_res_gethostbyname2': /mnt/lfs/sources/glibc-2.16.0/resolv/gethnamaddr.c:510: undefined reference to `__stack_chk_guard' /mnt/lfs/sources/glibc-build/resolv/libresolv_pic.a(gethnamaddr.os):/mnt/lfs/sources/glibc-2.16.0/resolv/gethnamaddr.c:636: more undefined references to `__stack_chk_guard' follow collect2: error: ld returned 1 exit status make[2]: *** [/mnt/lfs/sources/glibc-build/resolv/libresolv.so] Error 1 make[2]: *** Waiting for unfinished jobs.... make[2]: Leaving directory `/mnt/lfs/sources/glibc-2.16.0/resolv' make[1]: *** [resolv/others] Error 2 make[1]: Leaving directory `/mnt/lfs/sources/glibc-2.16.0' make: *** [all] Error 2   Fixed by this sed in the gcc source before the first pass of gcc:   sed -i '/k prot/agcc_cv_libc_provides_ssp=yes' gcc/configure   Then a simple problem with the rpc headers:   glibc-build/config.h rpc_tblout.c \ -o /mnt/lfs/sources/glibc-build/sunrpc/cross-rpc_tblout.o -MMD -MP -MF /mnt/lfs/sources/glibc-build/sunrpc/cross-rpc_tblout.o.dt -MT /mnt/lfs/sources/glibc-build/sunrpc/cross-rpc_tblout.o -c rpc_clntout.c:34:23: fatal error: rpc/types.h: No such file or directory compilation terminated. make[2]: *** [/mnt/lfs/sources/glibc-build/sunrpc/cross-rpc_clntout.o] Error 1 make[2]: *** Waiting for unfinished jobs.... make[2]: Leaving directory `/mnt/lfs/sources/glibc-2.16.0/sunrpc' make[1]: *** [sunrpc/others] Error 2 make[1]: Leaving directory `/mnt/lfs/sources/glibc-2.16.0' make: *** [all] Error 2   Fixed by: sed -i 's#<rpc/types.h>#"rpc/types.h"#' sunrpc/rpc_clntout.c   There's lots of gets removal breakage. diffutils-3.2 fails to build:     CC       exitfail.o In file included from exclude.c:31:0: ./stdio.h:1012:1: error: 'gets' undeclared here (not in a function)   CC       file-type.o   CC       filenamecat.o   CC       filenamecat-lgpl.o make[3]: *** [exclude.o] Error 1 make[3]: *** Waiting for unfinished jobs.... make[3]: Leaving directory `/mnt/lfs/sources/diffutils-3.2/lib' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/mnt/lfs/sources/diffutils-3.2/lib' make[1]: *** [all] Error 2 make[1]: Leaving directory `/mnt/lfs/sources/diffutils-3.2/lib' make: *** [all-recursive] Error 1   Fixed with a sed: sed -i '/gets is a security hole/d' lib/stdio.in.h   Gettext fails to build:   In file included from backupfile.c:25:0: ./stdio.h:456:1: error: 'gets' undeclared here (not in a function) make[1]: *** [backupfile.lo] Error 1 make[1]: Leaving directory `/mnt/lfs/sources/gettext-0.18.1.1/gettext-tools/gnulib-lib' make: *** [all] Error 2 make: Leaving directory `/mnt/lfs/sources/gettext-0.18.1.1/gettext-tools/gnulib-lib'   Fixed with a sed: sed -i '/gets is a security hole/d' gnulib-lib/stdio.in.h(在源碼中找到gnulib-lib)   M4 fails to build:   gcc -std=gnu99  -I.     -g -O2 -MT clean-temp.o -MD -MP -MF .deps/clean-temp.Tpo -c -o clean-temp.o clean-temp.c In file included from clean-temp.h:22:0,                  from clean-temp.c:23: ./stdio.h:477:1: error: 'gets' undeclared here (not in a function) mv -f .deps/c-ctype.Tpo .deps/c-ctype.Po gcc -std=gnu99  -I.     -g -O2 -MT close-hook.o -MD -MP -MF .deps/close-hook.Tpo -c -o close-hook.o close-hook.c mv -f .deps/c-stack.Tpo .deps/c-stack.Po gcc -std=gnu99  -I.     -g -O2 -MT execute.o -MD -MP -MF .deps/execute.Tpo -c -o execute.o execute.c make[3]: *** [clean-temp.o] Error 1 make[3]: *** Waiting for unfinished jobs.... mv -f .deps/close-hook.Tpo .deps/close-hook.Po mv -f .deps/execute.Tpo .deps/execute.Po mv -f .deps/gl_avltree_oset.Tpo .deps/gl_avltree_oset.Po make[3]: Leaving directory `/mnt/lfs/sources/m4-1.4.16/lib' make[2]: *** [all] Error 2 make[2]: Leaving directory `/mnt/lfs/sources/m4-1.4.16/lib' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/mnt/lfs/sources/m4-1.4.16' make: *** [all] Error 2   Fixed with a sed: sed -i '/gets is a security hole/d' lib/stdio.in.h   Tar fails to build: In file included from argp.h:24:0,                  from argp-eexst.c:27: ./stdio.h:479:1: error: 'gets' undeclared here (not in a function) make[4]: *** [argp-eexst.o] Error 1 make[4]: *** Waiting for unfinished jobs.... In file included from argp-fmtstream.h:29:0,                  from argp-fmtstream.c:35: ./stdio.h:479:1: error: 'gets' undeclared here (not in a function) make[4]: *** [argp-fmtstream.o] Error 1 make[4]: Leaving directory `/mnt/lfs/sources/tar-1.26/gnu' make[3]: *** [all-recursive] Error 1 make[3]: Leaving directory `/mnt/lfs/sources/tar-1.26/gnu' make[2]: *** [all] Error 2 make[2]: Leaving directory `/mnt/lfs/sources/tar-1.26/gnu' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/mnt/lfs/sources/tar-1.26' make: *** [all] Error 2   Fixed with a sed: sed -i '/gets is a security hole/d' gnu/stdio.in.h   And so into chroot. Glibc fails with the rpc/types.h error again. It seems crazy to me that it tries to use the system header not the in-tree one but what do I know?:   sed -i 's#<rpc/types.h>#"rpc/types.h"#' sunrpc/rpc_clntout.c   Again, the glibc patches are not needed. test-installation.pl failed with an error:   test ! -x /sources/glibc-build/elf/ldconfig || LC_ALL=C LANGUAGE=C \   /sources/glibc-build/elf/ldconfig  \       /lib64 /usr/lib64 CC="gcc" /usr/bin/perl scripts/test-installation.pl /sources/glibc-build/ Unmatched ( in regex; marked by <-- HERE in m/$( <-- HERE if $(abi-64-ld-soname),$(abi-64-ld-soname),ld/ at scripts/test-installation.pl line 172, <LDD> line 1. make[1]: *** [install] Error 29 make[1]: Leaving directory `/sources/glibc-2.16.0' make: *** [install] Error 2 root:/sources/glibc-build# cd /sources/glibc-2.16.0 root:/sources/glibc-2.16.0# CC="gcc" /usr/bin/perl scripts/test-installation.pl /sources/glibc-build/ Unmatched ( in regex; marked by <-- HERE in m/$( <-- HERE if $(abi-64-ld-soname),$(abi-64-ld-soname),ld/ at scripts/test-installation.pl line 172, <LDD> line 1.   So I disabled running test-installation.pl: sed -i '/test-installation.pl/d' Makefile I'm sure there is a more subtle fix for this but I don't have time just now.   And speaking of time; timezones. Timezone data are not part of glibc anymore: cp: cannot stat '/usr/share/zoneinfo/Europe/London': No such file or directory   I have to install a new package tzdata2012c http://www.iana.org/time-zones:   for thing in etcetera southamerica northamerica europe africa antarctica \   asia australasia backward pacificnew solar87 solar88 solar89 systemv do zic -L /tmp/tzdata/leapseconds -d /share/zoneinfo \     -y "sh ~/tzdata/yearistype.sh" /tmp/tzdata/${thing} done cp /usr/share/zoneinfo/Europe/London /etc/localtime   And then we're back to the gets breakage grind. M4, inetutils, diffutils, gettext, grub, libpipeline, man-db and Tar all need variations on the gets sed. Eg,for Gettext in chroot it's now:   sed -i '/gets is a security hole/d' \     gettext-{runtime/gnulib-lib,tools/{gnulib-lib,libgettextpo}}/stdio.in.h   I should confess that (as I'm a devotee of the Klingon School of Programming) I didn't run any of the tests, so there may be some more bugs under those rocks.   Andy
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