Hi,
(I'm posting this one again, because I think I might have been confusing
when asking people to ignore my issue - which was for a different problem.)
I'm trying to create a shared object file calling GCC using execvp, but
am getting some errors.
I'm forking, setting the env PATH and calling execvp (bin, argv);
(twice) where bin is a char* to "gcc" and argv in each case is a pointer
to a null-terminated array of char*'s - the options - given below.
First - .o creation, using the following options:
---------------------
-fPIC
-o
/tmp/simpl-so/objs/10.o
-I
/simpl/dev/src
-I
/simpl/dev/src/core
-I
/simpl/dev/src/include
-c
/t/bufout.c
-------------------------
This seems to go ok, then calling with the following options:
-------------------------
-v
-shared
-o
/tmp/simpl-so/objs/10.so
/tmp/simpl-so/objs/10.o
-lsimpl
--------------------------
produces:
============
/usr/bin/ld: /tmp/simpl-so/objs/10.o: relocation R_X86_64_32 against `a
local symbol' can not be used when making a shared object; recompile
with -fPIC
/tmp/simpl-so/objs/10.o: could not read symbols: Bad value
collect2: ld returned 1 exit status
============
whilst
---------------------------
-fPIC
-v
-shared
-o
/tmp/simpl-so/objs/10.so
/tmp/simpl-so/objs/10.o
-lsimpl
-----------------------------
produces:
============
Using built-in specs.
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu
4.3.3-5ubuntu4' --with-bugurl=file:///usr/share/doc/gcc-4.3/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr
--enable-shared --with-system-zlib --libexecdir=/usr/lib
--without-included-gettext --enable-threads=posix --enable-nls
--with-gxx-include-dir=/usr/include/c++/4.3 --program-suffix=-4.3
--enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc
--enable-mpfr --with-tune=generic --enable-checking=release
--build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4)
COMPILER_PATH=../lib/gcc/x86_64-linux-gnu/4.3.3/:../lib/gcc/:/usr/lib/gcc/x86_64-linux-gnu/4.3.3/:/usr/lib/gcc/x86_64-linux-gnu/
LIBRARY_PATH=../lib/gcc/x86_64-linux-gnu/4.3.3/:../lib/gcc/:/usr/lib/gcc/x86_64-linux-gnu/4.3.3/:../lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/:/lib/../lib/:/usr/lib/../lib/:../lib/gcc/x86_64-linux-gnu/4.3.3/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-shared' '-o' '/tmp/simpl-so/objs/10.so'
'-mtune=generic'
../lib/gcc/x86_64-linux-gnu/4.3.3/collect2 --eh-frame-hdr -m elf_x86_64
--hash-style=both -shared -o /tmp/simpl-so/objs/10.so -z relro
../lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crti.o
../lib/gcc/x86_64-linux-gnu/4.3.3/crtbeginS.o
-L../lib/gcc/x86_64-linux-gnu/4.3.3 -L../lib/gcc
-L/usr/lib/gcc/x86_64-linux-gnu/4.3.3
-L../lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib -L/lib/../lib
-L/usr/lib/../lib -L../lib/gcc/x86_64-linux-gnu/4.3.3/../../..
/tmp/simpl-so/objs/10.o -lsimpl -lgcc --as-needed -lgcc_s --no-as-needed
-lc -lgcc --as-needed -lgcc_s --no-as-needed
../lib/gcc/x86_64-linux-gnu/4.3.3/crtendS.o
../lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crtn.o
/usr/bin/ld: /tmp/simpl-so/objs/10.o: relocation R_X86_64_32 against `a
local symbol' can not be used when making a shared object; recompile
with -fPIC
/tmp/simpl-so/objs/10.o: could not read symbols: Bad value
collect2: ld returned 1 exit status
===============
libsimpl is compiled using fPIC too.
I'm using Ubuntu 9.04 64-bit. It compiled ok on the 32-bit version.
Can anyone give any guidance on how to solve this?
Thanks,
Marcus Clyne.
