[Buildroot] [PATCH] add basic support for uClibc-ng

[Thomas Petazzoni <thomas.petazzoni@free-electrons.com>]

Dear Waldemar Brodkorb,

On Mon, 9 Feb 2015 19:16:37 +0100, Waldemar Brodkorb wrote:

> +config BR2_TOOLCHAIN_BUILDROOT_UCLIBC_NG
> +	bool "uClibc-ng"
> +	select BR2_TOOLCHAIN_USES_UCLIBC
> +	depends on BR2_arcle   || BR2_arceb  || BR2_arm    || BR2_armeb    || \
> +		   BR2_avr32   || BR2_bfin   || BR2_i386   || BR2_m68k     || \
> +		   BR2_mips    || BR2_mipsel || BR2_mips64 || BR2_mips64el || \
> +		   BR2_powerpc || BR2_sh     || BR2_sparc  || BR2_xtensa   || \
> +		   BR2_x86_64
> +	help
> +	  This option selects uClibc-ng as the C library for the
> +	  cross-compilation toolchain.
> +
> +	  http://uclibc-ng.org
> +

I don't think introducing this symbol is needed. Instead, we can just
make uClibc-ng another version of uClibc. Like the following (untested) :

diff --git a/package/uclibc/Config.in b/package/uclibc/Config.in
index 020c47c..6f96c15 100644
--- a/package/uclibc/Config.in
+++ b/package/uclibc/Config.in
@@ -21,6 +21,10 @@ choice
                bool "uClibc 0.9.33.x"
                depends on !(BR2_arc || BR2_avr32 || BR2_xtensa)
 
+       config BR2_UCLIBC_NG_VERSION_1_0_0
+               bool "uClibc-ng 1.0.0"
+               depends on !(BR2_arc || BR2_avr32 || BR2_xtensa)
+
        config BR2_UCLIBC_VERSION_XTENSA_GIT
                bool "uClibc Git Xtensa"
                depends on BR2_xtensa
@@ -42,6 +46,7 @@ config BR2_UCLIBC_VERSION_STRING
        string
        default 0.9.31.1        if BR2_UCLIBC_VERSION_0_9_31
        default 0.9.33.2        if BR2_UCLIBC_VERSION_0_9_33
+       default 1.0.0           if BR2_UCLIBC_NG_VERSION_1_0_0
        default "arc-2014.12" if BR2_arc
        default "7bf35c8b7d4a1f97174eb49f47f33946b282114c" if BR2_UCLIBC_VERSION_XTENSA_GIT
        default BR2_USE_UCLIBC_SNAPSHOT if BR2_UCLIBC_VERSION_SNAPSHOT
@@ -50,6 +55,7 @@ config BR2_UCLIBC_CONFIG
        string "uClibc configuration file to use?"
        default "package/uclibc/uClibc-0.9.31.config" if BR2_UCLIBC_VERSION_0_9_31
        default "package/uclibc/uClibc-0.9.33.config" if BR2_UCLIBC_VERSION_0_9_33
+       default "package/uclibc/uClibc-ng-1.0.0.config" if BR2_UCLIBC_NG_VERSION_1_0_0
        default "package/uclibc/uClibc-snapshot.config" if BR2_arc
        default "package/uclibc/uClibc-snapshot.config" if BR2_UCLIBC_VERSION_SNAPSHOT
        default "package/uclibc/uClibc-snapshot.config" if BR2_UCLIBC_VERSION_XTENSA_GIT
diff --git a/package/uclibc/uclibc.mk b/package/uclibc/uclibc.mk
index 8654926..aeffa18 100644
--- a/package/uclibc/uclibc.mk
+++ b/package/uclibc/uclibc.mk
@@ -17,6 +17,9 @@ UCLIBC_SOURCE = uClibc-$(UCLIBC_VERSION).tar.gz
 else ifeq ($(BR2_UCLIBC_VERSION_XTENSA_GIT),y)
 UCLIBC_SITE = git://git.busybox.net/uClibc
 UCLIBC_SOURCE = uClibc-$(UCLIBC_VERSION).tar.gz
+else ifeq ($(BR2_UCLIBC_NG_VERSION_1_0_0),y)
+UCLIBC_SITE = http://downloads.uclibc-ng.org/releases/1.0.0/
+UCLIBC_SOURCE = uClibc-ng-$(UCLIBC_VERSION).tar.xz
 else
 UCLIBC_SITE = http://www.uclibc.org/downloads
 UCLIBC_SOURCE = uClibc-$(UCLIBC_VERSION).tar.xz

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com