This occurs in src/auto/configure: When /lib/libiconv.so* is not
present, the short program in configure which references iconv_open()
compiles and links successfully, but if run it aborts due to the missing
shared object:
ld.so.1: conftest: fatal: libiconv.so.2: open failed: No such file or
directory
Since configure detects incorrectly that libiconv is available to be
used, it defines HAVE_ICONV_H as 1 and adds -liconv to LIBS. This
causes failures a little later on in the configuration process:
checking for iconv_open()... yes; with -liconv
checking for nl_langinfo(CODESET)... yes
checking for strtod in -lm... yes
checking for strtod() and other floating point functions... yes
checking --disable-acl argument... no
checking for acl_get_file in -lposix1e... no
checking for acl_get_file in -lacl... no
checking for POSIX ACL support... no
checking for Solaris ACL support... yes
checking for AIX ACL support... no
checking --disable-gpm argument... no
checking for gpm... no
checking --disable-sysmouse argument... no
checking for sysmouse... no
checking for FD_CLOEXEC... yes
checking for rename... yes
checking for sysctl... not usable
checking for sysinfo... not usable
checking for sysinfo.mem_unit... no
checking for sysconf... yes
checking size of int... 0
checking size of long... 0
checking size of time_t... 0
checking size of off_t... configure: error: in `/home/jrw/vim73/src':
configure: error: cannot compute sizeof (off_t)
See `config.log' for more details.
(exit status = 77)
Note that size of int, long, time_t are detected as 0 due to this same
problem.
from config.log:
configure:11509: checking size of int
configure:11514: cc -o conftest -g -I/usr/local/include
-L/usr/local/lib conftest.c -lm -ltermlib -lelf -lnsl -lsocket -liconv
>&5
"conftest.c", line 192: warning: statement not reached
configure:11514: $? = 0
configure:11514: ./conftest
ld.so.1: conftest: fatal: libiconv.so.2: open failed: No such file or
directory
auto/configure: line 1716: 7786 Killed
./conftest$ac_exeext
configure:11514: $? = 137
configure: program exited with status 137
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME ""
| #define PACKAGE_TARNAME ""
| #define PACKAGE_VERSION ""
| #define PACKAGE_STRING ""
| #define PACKAGE_BUGREPORT ""
| #define PACKAGE_URL ""
| #define UNIX 1
| #define STDC_HEADERS 1
| #define HAVE_SYS_WAIT_H 1
| #define FEAT_NORMAL 1
| #define USE_XSMP_INTERACT 1
| #define HAVE_LIBSOCKET 1
| #define HAVE_LIBNSL 1
| #define FEAT_NETBEANS_INTG 1
| #define HAVE_X11 1
| #define HAVE_GTK_MULTIHEAD 1
| #define HAVE_X11_SM_SMLIB_H 1
| #define HAVE_X11_XPM_H 1
| #define HAVE_X11_SUNKEYSYM_H 1
| #define FEAT_XIM 1
| #define HAVE_DATE_TIME 1
| #define HAVE_ATTRIBUTE_UNUSED 1
| #define HAVE_LIBELF 1
| #define HAVE_DIRENT_H 1
| #define HAVE_STDARG_H 1
| #define HAVE_STDINT_H 1
| #define HAVE_STDLIB_H 1
| #define HAVE_STRING_H 1
| #define HAVE_SYS_SELECT_H 1
| #define HAVE_SYS_UTSNAME_H 1
| #define HAVE_FCNTL_H 1
| #define HAVE_SGTTY_H 1
| #define HAVE_SYS_IOCTL_H 1
| #define HAVE_SYS_TIME_H 1
| #define HAVE_SYS_TYPES_H 1
| #define HAVE_TERMIO_H 1
| #define HAVE_ICONV_H 1
| #define HAVE_INTTYPES_H 1
| #define HAVE_LANGINFO_H 1
| #define HAVE_MATH_H 1
| #define HAVE_UNISTD_H 1
| #define HAVE_STROPTS_H 1
| #define HAVE_ERRNO_H 1
| #define HAVE_SYS_RESOURCE_H 1
| #define HAVE_SYS_SYSTEMINFO_H 1
| #define HAVE_LOCALE_H 1
| #define HAVE_SYS_STREAM_H 1
| #define HAVE_TERMIOS_H 1
| #define HAVE_SYS_STATFS_H 1
| #define HAVE_POLL_H 1
| #define HAVE_SYS_POLL_H 1
| #define HAVE_PWD_H 1
| #define HAVE_UTIME_H 1
| #define HAVE_SYS_PARAM_H 1
| #define HAVE_LIBINTL_H 1
| #define HAVE_LIBGEN_H 1
| #define HAVE_SYS_ACL_H 1
| #define HAVE_SYS_SYSINFO_H 1
| #define HAVE_WCHAR_H 1
| #define HAVE_WCTYPE_H 1
| #define HAVE_SYS_PTEM_H 1
| #define HAVE_STRINGS_H 1
| #define TIME_WITH_SYS_TIME 1
| #define WORDS_BIGENDIAN 1
| #define HAVE_LIBTERMLIB 1
| #define TERMINFO 1
| #define TGETENT_ZERO_ERR 0
| #define OSPEED_EXTERN 1
| #define UP_BC_PC_EXTERN 1
| #define SYS_SELECT_WITH_SYS_TIME 1
| #define HAVE_SVR4_PTYS 1
| #define PTYRANGE0 "pqr"
| #define PTYRANGE1 "0123456789abcdef"
| #define RETSIGTYPE void
| #define SIGRETURN return
| #define HAVE_SIGCONTEXT 1
| #define HAVE_BCMP 1
| #define HAVE_FCHDIR 1
| #define HAVE_FCHOWN 1
| #define HAVE_FSYNC 1
| #define HAVE_GETCWD 1
| #define HAVE_GETPWNAM 1
| #define HAVE_GETPWUID 1
| #define HAVE_GETRLIMIT 1
| #define HAVE_GETTIMEOFDAY 1
| #define HAVE_GETWD 1
| #define HAVE_LSTAT 1
| #define HAVE_MEMCMP 1
| #define HAVE_MEMSET 1
| #define HAVE_OPENDIR 1
| #define HAVE_PUTENV 1
| #define HAVE_QSORT 1
| #define HAVE_READLINK 1
| #define HAVE_SELECT 1
| #define HAVE_SETENV 1
| #define HAVE_SETPGID 1
| #define HAVE_SETSID 1
| #define HAVE_SIGALTSTACK 1
| #define HAVE_SIGSTACK 1
| #define HAVE_SIGSET 1
| #define HAVE_SIGSETJMP 1
| #define HAVE_SIGACTION 1
| #define HAVE_STRCASECMP 1
| #define HAVE_STRERROR 1
| #define HAVE_STRFTIME 1
| #define HAVE_STRNCASECMP 1
| #define HAVE_STRPBRK 1
| #define HAVE_STRTOL 1
| #define HAVE_TGETENT 1
| #define HAVE_TOWLOWER 1
| #define HAVE_TOWUPPER 1
| #define HAVE_ISWUPPER 1
| #define HAVE_USLEEP 1
| #define HAVE_UTIME 1
| #define HAVE_UTIMES 1
| #define HAVE_FSEEKO 1
| #define _FILE_OFFSET_BITS 64
| #define HAVE_ST_BLKSIZE 1
| #define HAVE_ICONV 1
| #define HAVE_NL_LANGINFO_CODESET 1
| #define HAVE_LIBM 1
| #define HAVE_FLOAT_FUNCS 1
| #define HAVE_SOLARIS_ACL 1
| #define HAVE_FD_CLOEXEC 1
| #define HAVE_RENAME 1
| #define HAVE_SYSCONF 1
| /* end confdefs.h. */
| #include <stdio.h>
| #ifdef HAVE_SYS_TYPES_H
| # include <sys/types.h>
| #endif
| #ifdef HAVE_SYS_STAT_H
| # include <sys/stat.h>
| #endif
| #ifdef STDC_HEADERS
| # include <stdlib.h>
| # include <stddef.h>
| #else
| # ifdef HAVE_STDLIB_H
| # include <stdlib.h>
| # endif
| #endif
| #ifdef HAVE_STRING_H
| # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
| # include <memory.h>
| # endif
| # include <string.h>
| #endif
| #ifdef HAVE_STRINGS_H
| # include <strings.h>
| #endif
| #ifdef HAVE_INTTYPES_H
| # include <inttypes.h>
| #endif
| #ifdef HAVE_STDINT_H
| # include <stdint.h>
| #endif
| #ifdef HAVE_UNISTD_H
| # include <unistd.h>
| #endif
| static long int longval () { return (long int) (sizeof (int)); }
| static unsigned long int ulongval () { return (long int) (sizeof
(int)); }
| #include <stdio.h>
| #include <stdlib.h>
| int
| main ()
| {
|
| FILE *f = fopen ("conftest.val", "w");
| if (! f)
| return 1;
| if (((long int) (sizeof (int))) < 0)
| {
| long int i = longval ();
| if (i != ((long int) (sizeof (int))))
| return 1;
| fprintf (f, "%ld", i);
| }
| else
| {
| unsigned long int i = ulongval ();
| if (i != ((long int) (sizeof (int))))
| return 1;
| fprintf (f, "%lu", i);
| }
| /* Do not output a trailing newline, as this causes \r\n confusion
| on some platforms. */
| return ferror (f) || fclose (f) != 0;
|
| ;
| return 0;
| }
configure:11529: result: 0
This kind of bug is easily reproducible by copying a no-op program into
conftest.c:
int main () { return 0; }
and compiling with:
$ cc -o conftest -g -I/usr/local/include -L/usr/local/lib conftest.c
-lm -ltermlib -lelf -lnsl -lsocket -liconv
"conftest.c", line 192: warning: statement not reached
$ ./conftest
ld.so.1: conftest: fatal: libiconv.so.2: open failed: No such file or
directory
Killed
$ echo $?
137
It seems to me that the correct solution is to *not* include -liconv
unless libiconv.so is actually present (and working). I'm not sure how
to achieve that with autoconf-style programs. The function being used
in this case is ac_fn_c_try_link() which has the following comment:
# Try to link conftest.$ac_ext, and return whether this succeeded.
But, at least on SunOS 5.10, that's not enough -- it should also make
sure that the resultant program can be successfully run. My work around
is to prevent -liconv from being included in LIBS by forcing a
compilation error when compiling the feature-probe programs containing
iconv_open().
Thanks!
-- John Wiersba
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