Re: PDP-11 ABI for cross compiler

[Aram Havarneanu <aram dot h at mgk dot ro>]

>
> So please leave these away from your configure and rebuild after :
>
> 1. copying the 2.11BSD headers into '/usr/local/pdp11-bsd2.11/include'
>
> 2. copying the 2.11BSD libraries into '/usr/local/pdp11-bsd2.11/lib'
>
> 3. making a symlink '/usr/local/pdp11-bsd2.11/sys-include' to point to
> Â '/usr/local/pdp11-bsd2.11/include'
>

Still doesn't work:

$ cat a.c
int
main()
{
        return 0;
}

$ pdp11-bsd2.11-gcc -v a.c
Using built-in specs.
Target: pdp11-bsd2.11
Configured with: ../gcc-4.1.2/configure --target=pdp11-bsd2.11
--enable-languages=c --disable-shared
--enable-version-specific-runtime-libs --disable-libssp
Thread model: single
gcc version 4.1.2
 /usr/local/libexec/gcc/pdp11-bsd2.11/4.1.2/cc1 -quiet -v a.c -quiet
-dumpbase a.c -auxbase a -version -o /var/tmp//ccHvKHNh.s
ignoring duplicate directory
"/usr/local/lib/gcc/pdp11-bsd2.11/4.1.2/../../../../pdp11-bsd2.11/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/lib/gcc/pdp11-bsd2.11/4.1.2/include
 /usr/local/lib/gcc/pdp11-bsd2.11/4.1.2/../../../../pdp11-bsd2.11/sys-include
End of search list.
GNU C version 4.1.2 (pdp11-bsd2.11)
        compiled by GNU C version 4.2.1 20070719  [FreeBSD].
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: c5b0349ab39347980af82a7463e08ccd
 /usr/local/lib/gcc/pdp11-bsd2.11/4.1.2/../../../../pdp11-bsd2.11/bin/as
-o /var/tmp//ccTMtunv.o /var/tmp//ccHvKHNh.s
 /usr/local/libexec/gcc/pdp11-bsd2.11/4.1.2/collect2
/usr/local/lib/gcc/pdp11-bsd2.11/4.1.2/../../../../pdp11-bsd2.11/lib/crt0.o
-L/usr/local/lib/gcc/pdp11-bsd2.11/4.1.2
-L/usr/local/lib/gcc/pdp11-bsd2.11/4.1.2/../../../../pdp11-bsd2.11/lib
/var/tmp//ccTMtunv.o -lgcc -lc -lgcc
/usr/local/lib/gcc/pdp11-bsd2.11/4.1.2/libgcc.a(__main.o):__main.o:(.text+0x86):
undefined reference to `_atexit'
collect2: ld returned 1 exit status

It compiles fine, can't link. 2.11BSD libraries are in
/usr/local/pdp11-bsd2.11/lib

$ pwd
/usr/local/pdp11-bsd2.11
$ ll
total 10
drwxr-xr-x   5 root      wheel  -  512 Oct 25 12:37 ./
drwxr-xr-x  17 root      wheel  -  512 Oct 23 00:50 ../
drwxr-xr-x   2 root      wheel  -  512 Oct 25 13:45 bin/
drwxr-xr-x   6 terminus  wheel  - 1024 Oct 25 12:37 include/
drwxr-xr-x   3 root      wheel  - 1536 Oct 25 12:19 lib/
lrwxr-xr-x   1 root      wheel  -    7 Oct 25 12:37 sys-include@ -> include
$ ls lib
c0*              libI77_p.a       libln.a*         libtermcap.a*
c1*              libU77.a         libm.a*          libtermcap_p.a*
c2*              libU77_p.a       libm_p.a*        libtermlib.a*
cpp*             libc.a           libmp.a*         libtermlib_p.a*
crt0.o           libc_p.a         libom.a*         libutil.a
ldscripts/       libcurses.a      libom_p.a*       libutil_p.a
lib2648.a        libcurses_p.a    libplot.a        libvmf.a
lib300.a         libdbm.a         libplot2648.a    libvmf_p.a
lib300s.a        libdbm_p.a       libplot7221.a    libvt0.a
lib4013.a        liberrlst.a      libplotaed.a     liby.a*
lib4014.a        liberrlst_p.a    libplotbg.a      mcrt0.o
lib450.a         libf77plot.a     libplotdumb.a    oc0*
libF77.a         libident.a       libplotgigi.a    oc1*
libF77_p.a       libident_p.a     libplotimagen.a  oc2*
libI66.a         libkern.a        libstubs.a
libI77.a         libl.a*          libstubs_p.a

What to try next?

Thanks,

-- 
Aram HÄvÄrneanu