This is the mail archive of the crossgcc@sourceware.org mailing list for the crossgcc project.

See the CrossGCC FAQ for lots more information.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: libstdc++ configure fail due to -EL option


On Wednesday 18 January 2012 02:09:09 Zhenqiang Chen wrote:
> > -EL is only valid for mips gcc as far as ct-ng is concerned. It should
> > not be used for arm configurations since arm is little endian by
> > default pluis this is an invalid option you need
> > -mlittle-endian for arm if you really want to specify it explicitly.
> 
> -EL/-EB is added in crosstool-ng automatically. Here is the code
> segment in scripts/functions
> 
> CT_DoBuildTargetTuple() {
>     # Set the endianness suffix, and the default endianness gcc option
>     case "${CT_ARCH_ENDIAN}" in
>         big)
>             target_endian_eb=eb
>             target_endian_el=
>             CT_ARCH_ENDIAN_CFLAG="-mbig-endian"
>             CT_ARCH_ENDIAN_LDFLAG="-EB"
>             ;;
>         little)
>             target_endian_eb=
>             target_endian_el=el
>             CT_ARCH_ENDIAN_CFLAG="-mlittle-endian"
>             CT_ARCH_ENDIAN_LDFLAG="-EL"
>             ;;
>     esac

LDFLAGS should take the form as needed by the compiler driver.  i.e. -Wl,-EL.  
i'm guessing some other code takes care of transforming this before exporting 
LDFLAGS to the build ?
-mike

Attachment: signature.asc
Description: This is a digitally signed message part.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]