Re: error compiling binutils-2.22 with clang v2.9

[Tristan Gingold]

On Mar 7, 2012, at 2:34 AM, Roy Batty wrote:

> To Whom It May Concern:
> 
> i don't know if your project even has an interest in being compiled with 
> anything other than GCC @ this point in time, but here is an error I found 
> when trying to make binutils with clang.  note that this was performed on a 
> fairly standard fedora 16 x86_64-bit install ( using kernel 
> 3.2.9-1.fc16.x86_64 #1 SMP )  ... hope this is of some use to your project.  
> let me know if you need further information.

Hi,

this is a warning that is transformed into an error (by -Werror).  Try to 
configure with --disable-werror.

It is very hard to have builds without warnings for many compilers (and even 
for severals versions of one compiler).

Tristan.

> 
> 
> libtool: compile:  clang -DHAVE_CONFIG_H -I. -I. -I. -I./../include 
> -DHAVE_bfd_elf64_x86_64_vec -DHAVE_bfd_elf32_i386_vec 
> -DHAVE_bfd_elf32_x86_64_vec -DHAVE_i386linux_vec -DHAVE_i386pei_vec 
> -DHAVE_x86_64pei_vec -DHAVE_bfd_elf64_l1om_vec -DHAVE_bfd_elf64_k1om_vec 
> -DHAVE_bfd_elf64_little_generic_vec -DHAVE_bfd_elf64_big_generic_vec 
> -DHAVE_bfd_elf32_little_generic_vec -DHAVE_bfd_elf32_big_generic_vec 
> -DBINDIR=\"/usr/local/bin\" -W -Wall -Wstrict-prototypes -Wmissing-prototypes 
> -Wshadow -Werror -g -O2 -MT opncls.lo -MD -MP -MF .deps/opncls.Tpo -c 
> opncls.c -o opncls.o
> opncls.c:249:5: error: expression result unused [-Werror,-Wunused-value]
>     bfd_set_cacheable (nbfd, TRUE);
>     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from opncls.c:26:
> ./bfd.h:524:67: note: instantiated from:
> #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE)
>                                                                   ^
> ./bfd.h:127:14: note: instantiated from:
> #define TRUE 1
>              ^
> 1 error generated.
> *** Error code 1
> 
> Stop.
> bmake: stopped in /bin_build/binutils-2.22/bfd
> *** Error code 1
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