[Buildroot] External toolchain support improvements

[Peter Korsgaard]

>>>>> "Shinya" == Shinya Kuribayashi <skuribay at ruby.dti.ne.jp> writes:

Hi,

 >> * Change the description and help message of the BR2_LARGEFILE,
 >> BR2_INET_IPV6, BR2_INET_RPC, and BR2_SOFT_FLOAT option in
 >> toolchain/external-toolchain/Config.in. In the case of an external
 >> toolchain, the semantic of these options is not to enable large
 >> file support, IPV6 or RPC (since the toolchain is already compiled,
 >> it has been decided previously). Their semantic is to let Buildroot
 >> know about the characteristics of the external toolchain being
 >> used.

 Shinya> [snip]

 >> Index: buildroot/toolchain/external-toolchain/Config.in
 >> ===================================================================
 >> --- buildroot.orig/toolchain/external-toolchain/Config.in
 >> +++ buildroot/toolchain/external-toolchain/Config.in
 >> @@ -69,32 +69,29 @@
 >> endchoice
 >> 
 >> config BR2_LARGEFILE
 >> -	bool "Enable large file (files > 2 GB) support?"
 >> +	bool "Toolchain supports large files (> 2 GB) ?"
 >> depends on !BR2_cris
 >> default y
 >> help
 >> -	  Enable large file (files > 2 GB) support
 >> +	  Set this option if the external toolchain supports large
 >> +	  files (> 2 GB)
 >> +
 >> 
 >> config BR2_INET_IPV6
 >> -	bool "Enable IPv6"
 >> +	bool "Toolchain supports IPv6 ?"
 >> help
 >> -	    Enable IPv6.
 >> +	  Set this option if the external toolchain supports IPv6.
 >> 
 >> config BR2_INET_RPC
 >> -	bool "Enable RPC"
 >> +	bool "Toolchain supports RPC ?"
 >> help
 >> -	    Enable RPC. RPC support is needed for nfs.
 >> +	  Set this option if the external toolchain supports RPC.
 >> 
 >> config BR2_SOFT_FLOAT
 >> -	bool "Use software floating point by default"
 >> +	bool "Toolchain supports soft float ?"
 >> depends on BR2_arm || BR2_armeb || BR2_mips || BR2_mipsel || BR2_powerpc
 >> help
 >> -	  If your target CPU does not have a Floating Point Unit (FPU) or a
 >> -	  kernel FPU emulator, but you still wish to support floating point
 >> -	  functions, then everything will need to be compiled with soft
 >> -	  floating point support (-msoft-float).
 >> -
 >> -	  Most people will answer N.
 >> +	  Set this option if the external toolchain supports soft float.
 >> 
 >> config BR2_TARGET_OPTIMIZATION
 >> string "Target Optimizations"

 Shinya> Why did you change these help text?  The previous messages
 Shinya> seemed to be better, at least for me.  These options should
 Shinya> be enabled based on what we want to do, not based on the
 Shinya> toolchain's capabilities.

No, these are settings for the external toolchain, E.G. configuration
options you have to set to match whatever your external toolchain has.

Don't get misled by the fact that we have the same configuration
variables (with different help text) for the normal buildroot
toolchain.

-- 
Bye, Peter Korsgaard