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c++ - 重新编译libiconv，在成功安装后出现gettext undefined symbol

主要的明显错误“Undefined symbols for architecture x86_64”



操作系统是Mac OSX。已从安装了多个程序
他们的来源。安装后发现问题:

  • binutils v2.25 ，
  • libtool v2.4.6 ，
  • glib v2.45.2 或
  • pkgconfig v0.28

    • 在安装上述任何文件之前，请重新编译libiconv和gettext没有产生错误，并且都成功安装了多次。
    pkg-config --list-all不显示libiconv或gettext(如果这一切都意味着重要的话)
    libiconv和gettext是它们各自站点的直接副本。

    http://www.gnu.org/software/libiconv/#downloading
    iconv --version
iconv (GNU libiconv 1.14)
Copyright (C) 2000-2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by Bruno Haible.

    http://ftp.gnu.org/pub/gnu/gettext/
    gettext --version
gettext (GNU gettext-runtime) 0.19.5.1
Copyright (C) 1995-1997, 2000-2007 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by Ulrich Drepper.
    libiconv v1.14

    尝试在一个简单的libiconv文件中使用.c:
    #include <iconv.h>
// works: gcc -m32 -I/usr/local/include -liconv -o test-iconv.exe test-iconv.c
// does NOT work: gcc -I/usr/local/include -liconv -o test-iconv.exe test-iconv.c
int main(int argc, char **argv) {
    iconv_t conv = iconv_open("ISO8859-1", "UTF-8");
    if (conv != (iconv_t) -1) {
    return 0;
    }
    return 1;
}

    如果我没有为-m32指定gcc，那么我将收到以下错误:
    $ gcc -I/usr/local/include -liconv -o test-iconv.exe test-iconv.c
Undefined symbols for architecture x86_64:
  "_libiconv_open", referenced from:
      _main in ccr9tTic.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status

    尝试重新编译libiconv 
    libiconv-1.14 $ make distclean; ./configure --enable-extra-encodings \
  --with-libiconv-prefix=/usr/local/include; make V=1
...
...
...
gcc -DHAVE_CONFIG_H -DEXEEXT=\"\" -I. -I.. -I../lib  -I../intl \
    -DDEPENDS_ON_LIBICONV=1 -D DEPENDS_ON_LIBINTL=1 -I/usr/local/include  \
    -g -O2 -c strerror-override.c
rm -f libicrt.a
ar cru libicrt.a allocator.o areadlink.o careadlinkat.o malloca.o progname.o \
    safe-read.o width.o xmalloc.o xstrdup.o xreadlink.o canonicalize-lgpl.o \
    error.o lstat.o readlink.o stat.o strerror.o strerror-override.o
ranlib libicrt.a
cd src && make all
gcc -c -I. -I. -I.. -I../include -I./../include -I../srclib -I./../srclib \
    -I../lib -g -O2 -I/usr/local/include -DINSTALLDIR=\"/usr/local/bin\" \
    -DLOCALEDIR=\"/usr/local/share/locale\" ./iconv_no_i18n.c
/bin/sh ../libtool --mode=link gcc  -g -O2 iconv_no_i18n.o \
    ../srclib/libicrt.a ../lib/libiconv.la  -o iconv_no_i18n
libtool: link: gcc -g -O2 iconv_no_i18n.o -o .libs/iconv_no_i18n \
    ../srclib/libicrt.a ../lib/.libs/libiconv.dylib
ld: warning: ignoring file ../srclib/libicrt.a, file was built for archive
    which is not the architecture being linked (x86_64): ../srclib/libicrt.a
Undefined symbols for architecture x86_64:
 "_program_name", referenced from:
     _main in iconv_no_i18n.o
     _usage in iconv_no_i18n.o
     _error in iconv_no_i18n.o
 "_rpl_strerror", referenced from:
     _error in iconv_no_i18n.o
 "_safe_read", referenced from:
     _convert in iconv_no_i18n.o
 "_set_program_name", referenced from:
     _main in iconv_no_i18n.o
 "_uc_width", referenced from:
     _update_line_column in iconv_no_i18n.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
make[1]: *** [iconv_no_i18n] Error 1
make: *** [all] Error 2

    来自lipo的信息:
    architecture being linked (x86_64): ../srclib/libicrt.a
    libiconv-1.14 $ lipo -info srclib/libicrt.a
input file srclib/libicrt.a is not a fat file
Non-fat file: srclib/libicrt.a is architecture: x86_64
    gettext v0.19.5.1
    gettext-0.19.5.1 $ make distclean; ./configure; make V=1
...
...
...
libtool: link: ( cd ".libs" && rm -f "libgnu.la" && ln -s "../libgnu.la" \
    "libgnu.la" )
Making all in src
gcc -DLOCALEDIR=\"/usr/local/share/locale\" -DHAVE_CONFIG_H -I. -I..  -I. \
    -I. -I.. -I../intl -I./../intl -I../gnulib-lib -I./../gnulib-lib \
    -I/usr/local/include -DINSTALLDIR=\"/usr/local/bin\" -g -O2 -c -o \
    gettext-gettext.o `test -f 'gettext.c' || echo './'`gettext.c
/bin/sh ../libtool  --tag=CC   --mode=link gcc \
    -DINSTALLDIR=\"/usr/local/bin\" -g -O2   -o gettext gettext-gettext.o \
    ../gnulib-lib/libgrt.a ../intl/libintl.la -L/usr/local/lib -liconv \
    -R/usr/local/lib  -Wl,-framework -Wl,CoreFoundation -L/usr/local/lib \
    -liconv -R/usr/local/lib
libtool: link: gcc -DINSTALLDIR=\"/usr/local/bin\" -g -O2 -o .libs/gettext \
    gettext-gettext.o -Wl,-framework -Wl,CoreFoundation  \
    ../gnulib-lib/libgrt.a ../intl/.libs/libintl.dylib -L/usr/local/lib \
    -lc /usr/local/lib/libiconv.dylib
ld: warning: ignoring file ../gnulib-lib/libgrt.a, file was built for archive
    which is not the architecture being linked (x86_64): ../gnulib-lib/libgrt.a
Undefined symbols for architecture x86_64:
  "_close_stdout", referenced from:
      _main in gettext-gettext.o
  "_error", referenced from:
      _main in gettext-gettext.o
  "_gnu_basename", referenced from:
      _main in gettext-gettext.o  "_program_name", referenced from:
      _main in gettext-gettext.o
      _usage in gettext-gettext.o
  "_proper_name", referenced from:
      _main in gettext-gettext.o
  "_rpl_getopt_long", referenced from:
      _main in gettext-gettext.o
  "_rpl_optarg", referenced from:
      _main in gettext-gettext.o
  "_rpl_optind", referenced from:
      _main in gettext-gettext.o
  "_set_program_name", referenced from:
      _main in gettext-gettext.o
  "_xmalloc", referenced from:
      _expand_escape in gettext-gettext.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
make[4]: *** [gettext] Error 1
make[3]: *** [all-recursive] Error 1
make[2]: *** [all] Error 2
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

    来自lipo的信息
    architecture being linked (x86_64): ../gnulib-lib/libgrt.a
    gettext-0.19.5.1 $ lipo -info gettext-runtime/gnulib-lib/libgrt.a
input file gettext-runtime/gnulib-lib/libgrt.a is not a fat file
Non-fat file: gettext-runtime/gnulib-lib/libgrt.a is architecture: x86_64

    最佳答案

    可能是您安装了gcc和ar的替代版本，并且它们位于标准位置(/ usr / bin)之前的路径中。

    我过去也遇到过同样的问题，这篇文章帮助我进行了故障排除和修复:https://www.unix.com/programming/253809-linker-errors-linking-files-os-x.html

    关于c++ - 重新编译libiconv，在成功安装后出现gettext undefined symbol ，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/31820672/

    10-11 08:52
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