Re: different results in different configures

[Vladimir T. <vtz...@gm...>]

On Thu, Aug 18, 2011 at 1:05 AM, Sam Steingold <sd...@gn...> wrote:
> I don't remember what your platform is.
> where is errno declared on your box?
it is:
Linux vtz 2.6.32-27-generic #49-Ubuntu SMP Wed Dec 1 23:52:12 UTC 2010
i686 GNU/Linux
and errno is declared as expected in: /usr/include/errno.h

> note that <errno.h> is included before unix.d which defines OS_errno
> which expands to errno on unix when, apparently, triggers your error.
> could you please investigate? (by starting with a fresh configure in a
> separate directory)

<errno.h> is not included at all (grep-ed for it).
if I include it in lispbibl.d before "unix.c" the build proceeds until:

gcc -I/home/vtz/clisp/hg/src -I/home/vtz/clisp/hg/s/gllib
-I/home/vtz/clisp/hg/src/gllib -g -O2 -W -Wswitch -Wcomment
-Wpointer-arith -Wimplicit -Wreturn-type -Wmissing-declarations
-Wno-sign-compare -Wno-format-nonliteral -O2 -fexpensive-optimizations
-falign-functions=4 -DENABLE_UNICODE -DDYNAMIC_FFI -DDYNAMIC_MODULES
-c misc.c
../src/misc.d: In function ‘C_get_env’:
../src/misc.d:211: error: ‘environ’ undeclared (first use in this function)
../src/misc.d:211: error: (Each undeclared identifier is reported only once
../src/misc.d:211: error: for each function it appears in.)
../src/misc.d: In function ‘C_process_id’:
../src/misc.d:393: warning: implicit declaration of function ‘getpid’

looks like <unistd.h> is not included as well.
if I include it in lispbibl.d (together with <errno.h> before
"unix.c") build proceeds until:

gcc -I/home/vtz/clisp/hg/src -I/home/vtz/clisp/hg/s/gllib
-I/home/vtz/clisp/hg/src/gllib -g -O2 -W -Wswitch -Wcomment
-Wpointer-arith -Wimplicit -Wreturn-type -Wmissing-declarations
-Wno-sign-compare -Wno-format-nonliteral -O2 -fexpensive-optimizations
-falign-functions=4 -DENABLE_UNICODE -DDYNAMIC_FFI -DDYNAMIC_MODULES
-fPIC -DPIC -I/home/vtz/clisp/hg/s/linkkit -c modules.c
gcc -g -O2 -W -Wswitch -Wcomment -Wpointer-arith -Wimplicit
-Wreturn-type -Wmissing-declarations -Wno-sign-compare
-Wno-format-nonliteral -O2 -fexpensive-optimizations
-falign-functions=4 -DENABLE_UNICODE -DDYNAMIC_FFI -DDYNAMIC_MODULES
-fPIC -DPIC -Wl,--export-dynamic modules.o readline.o -lreadline
-lncurses regexi.o calls.o bogomips.o -lm -lcrypt gettext.o lisp.a
-lreadline -lncurses -ldl -lavcall -lcallback -lsigsegv libgnu.a -o
lisp.run
calls.o: In function `C_subr_posix_stat_vfs':
/home/vtz/clisp/hg/modules/syscalls/calls.c:2427: undefined reference
to `ANSIC_error'
calls.o: In function `C_subr_posix_file_stat':
/home/vtz/clisp/hg/modules/syscalls/calls.c:2001: undefined reference
to `ANSIC_error'
calls.o: In function `C_subr_posix_mkdtemp':
/home/vtz/clisp/hg/modules/syscalls/calls.c:2312: undefined reference
to `ANSIC_error'
calls.o: In function `C_subr_posix_domainname':
/home/vtz/clisp/hg/modules/syscalls/calls.c:1936: undefined reference
to `ANSIC_error'
calls.o: In function `C_subr_posix_groups':
/home/vtz/clisp/hg/modules/syscalls/calls.c:1885: undefined reference
to `ANSIC_error'
calls.o:/home/vtz/clisp/hg/modules/syscalls/calls.c:1451: more
undefined references to `ANSIC_error' follow
collect2: ld returned 1 exit status
./clisp-link: failed in /home/vtz/clisp/hg/s/base