toolchain/toolchain-external: remove Bootlin nios2 external toolchain

We are going to remove nios2 support, so remove the Bootlin nios2
external toolchain.

Remove this toolchain from the Buildroot testsuite.

Signed-off-by: Romain Naour <romain.naour@smile.fr>
Signed-off-by: Julien Olivain <ju.o@free.fr>

Config.in.legacy

@@ -146,6 +146,18 @@ endif
 
 comment "Legacy options removed in 2025.02"
 
+config BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_NIOS2_GLIBC_BLEEDING_EDGE
+	bool "Bootlin nios2 glibc bleeding-edge toolchain removed"
+	select BR2_LEGACY
+	help
+	  The nios2 Bootlin toolchains have been removed.
+
+config BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_NIOS2_GLIBC_STABLE
+	bool "Bootlin nios2 glibc stable toolchain removed"
+	select BR2_LEGACY
+	help
+	  The nios2 Bootlin toolchains have been removed.
+
 config BR2_PACKAGE_DIRECTFB
 	bool "directfb has been removed"
 	select BR2_LEGACY

support/testing/tests/toolchain/test_external_bootlin.py

@@ -1653,34 +1653,6 @@ class TestExternalToolchainBootlinMips64r6eln32UclibcStable(TestExternalToolchai
         TestExternalToolchain.common_check(self)
 
 
-class TestExternalToolchainBootlinNios2GlibcBleedingEdge(TestExternalToolchain):
-    config = """
-        BR2_nios2=y
-        BR2_TOOLCHAIN_EXTERNAL=y
-        BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
-        BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_NIOS2_GLIBC_BLEEDING_EDGE=y
-        # BR2_TARGET_ROOTFS_TAR is not set
-        """
-    toolchain_prefix = "nios2-linux"
-
-    def test_run(self):
-        TestExternalToolchain.common_check(self)
-
-
-class TestExternalToolchainBootlinNios2GlibcStable(TestExternalToolchain):
-    config = """
-        BR2_nios2=y
-        BR2_TOOLCHAIN_EXTERNAL=y
-        BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
-        BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_NIOS2_GLIBC_STABLE=y
-        # BR2_TARGET_ROOTFS_TAR is not set
-        """
-    toolchain_prefix = "nios2-linux"
-
-    def test_run(self):
-        TestExternalToolchain.common_check(self)
-
-
 class TestExternalToolchainBootlinOpenriscGlibcBleedingEdge(TestExternalToolchain):
     config = """
         BR2_or1k=y

toolchain/toolchain-external/toolchain-external-bootlin/Config.in.options

@@ -22,7 +22,6 @@ config BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_ARCH_SUPPORTS
 	default y if BR2_mips64 && BR2_mips_64 && BR2_MIPS_NABI32 && !BR2_MIPS_SOFT_FLOAT
 	default y if BR2_mips64el && BR2_mips_64 && BR2_MIPS_NABI32 && !BR2_MIPS_SOFT_FLOAT
 	default y if BR2_mips64el && BR2_mips_64r6 && BR2_MIPS_NABI32 && !BR2_MIPS_SOFT_FLOAT
-	default y if BR2_nios2
 	default y if BR2_or1k
 	default y if BR2_powerpc && BR2_powerpc_440fp
 	default y if BR2_powerpc && BR2_powerpc_e300c3
@@ -2782,55 +2781,6 @@ config BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_MIPS64R6EL_N32_UCLIBC_STABLE
 
 	  https://toolchains.bootlin.com/
 
-config BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_NIOS2_GLIBC_BLEEDING_EDGE
-	bool "nios2 glibc bleeding-edge 2024.05-1"
-	depends on BR2_nios2
-	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_15
-	depends on BR2_USE_MMU
-	select BR2_TOOLCHAIN_GCC_AT_LEAST_14
-	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_15
-	select BR2_INSTALL_LIBSTDCPP
-	select BR2_TOOLCHAIN_HAS_FORTRAN
-	select BR2_TOOLCHAIN_HAS_OPENMP
-	select BR2_TOOLCHAIN_HAS_SSP
-	select BR2_TOOLCHAIN_HAS_THREADS
-	select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
-	select BR2_TOOLCHAIN_HAS_THREADS
-	select BR2_TOOLCHAIN_HAS_THREADS
-	select BR2_TOOLCHAIN_HAS_THREADS_NPTL
-	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
-	help
-	  Bootlin toolchain for the nios2 architecture, using the
-	  glibc C library. This is a bleeding-edge version, which
-	  means it is using the latest versions of gcc, gdb and
-	  binutils.
-
-	  https://toolchains.bootlin.com/
-
-config BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_NIOS2_GLIBC_STABLE
-	bool "nios2 glibc stable 2024.05-1"
-	depends on BR2_nios2
-	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_14
-	depends on BR2_USE_MMU
-	select BR2_TOOLCHAIN_GCC_AT_LEAST_13
-	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_19
-	select BR2_INSTALL_LIBSTDCPP
-	select BR2_TOOLCHAIN_HAS_OPENMP
-	select BR2_TOOLCHAIN_HAS_SSP
-	select BR2_TOOLCHAIN_HAS_THREADS
-	select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
-	select BR2_TOOLCHAIN_HAS_THREADS
-	select BR2_TOOLCHAIN_HAS_THREADS
-	select BR2_TOOLCHAIN_HAS_THREADS_NPTL
-	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
-	help
-	  Bootlin toolchain for the nios2 architecture, using the
-	  glibc C library. This is a stable version, which means it
-	  is using stable and proven versions of gcc, gdb and
-	  binutils.
-
-	  https://toolchains.bootlin.com/
-
 config BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_OPENRISC_GLIBC_BLEEDING_EDGE
 	bool "openrisc glibc bleeding-edge 2024.05-1"
 	depends on BR2_or1k

toolchain/toolchain-external/toolchain-external-bootlin/toolchain-external-bootlin.hash

@@ -212,10 +212,6 @@ sha256  cce09fc456b592a993a7c8d182cdd1f04397a8160f176d9ac6799d8e2e09cef7  mips64
 sha256  e12b6536fbacb624b0d938345fb29b202c8b174893d0d8fbefde46fbe727c729  mips64r6el-n32--uclibc--bleeding-edge-2024.05-1.tar.xz
 # From https://toolchains.bootlin.com/downloads/releases/toolchains/mips64r6el-n32/tarballs/mips64r6el-n32--uclibc--stable-2024.05-1.sha256
 sha256  a0db853f4c40d120d22e6762ca4bff64e0c3e3db74ab59950967917aeb9bf330  mips64r6el-n32--uclibc--stable-2024.05-1.tar.xz
-# From https://toolchains.bootlin.com/downloads/releases/toolchains/nios2/tarballs/nios2--glibc--bleeding-edge-2024.05-1.sha256
-sha256  5d034a538a8613ef324ae96f097c122ed99574ec8707e3274743e4d79efd374c  nios2--glibc--bleeding-edge-2024.05-1.tar.xz
-# From https://toolchains.bootlin.com/downloads/releases/toolchains/nios2/tarballs/nios2--glibc--stable-2024.05-1.sha256
-sha256  db7a12e0b22037f3aad01cd126b5f1bfe7dc514e37f8c484eb587b861f20fbcd  nios2--glibc--stable-2024.05-1.tar.xz
 # From https://toolchains.bootlin.com/downloads/releases/toolchains/openrisc/tarballs/openrisc--glibc--bleeding-edge-2024.05-1.sha256
 sha256  0de17cd13642f71f112d086c1df4b34670440ceb459478a0f3d55007945633ca  openrisc--glibc--bleeding-edge-2024.05-1.tar.xz
 # From https://toolchains.bootlin.com/downloads/releases/toolchains/openrisc/tarballs/openrisc--glibc--stable-2024.05-1.sha256

toolchain/toolchain-external/toolchain-external-bootlin/toolchain-external-bootlin.mk

@@ -642,18 +642,6 @@ TOOLCHAIN_EXTERNAL_BOOTLIN_SOURCE = mips64r6el-n32--uclibc--stable-$(TOOLCHAIN_E
 TOOLCHAIN_EXTERNAL_BOOTLIN_SITE = https://toolchains.bootlin.com/downloads/releases/toolchains/mips64r6el-n32/tarballs
 endif
 
-ifeq ($(BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_NIOS2_GLIBC_BLEEDING_EDGE),y)
-TOOLCHAIN_EXTERNAL_BOOTLIN_VERSION = 2024.05-1
-TOOLCHAIN_EXTERNAL_BOOTLIN_SOURCE = nios2--glibc--bleeding-edge-$(TOOLCHAIN_EXTERNAL_BOOTLIN_VERSION).tar.xz
-TOOLCHAIN_EXTERNAL_BOOTLIN_SITE = https://toolchains.bootlin.com/downloads/releases/toolchains/nios2/tarballs
-endif
-
-ifeq ($(BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_NIOS2_GLIBC_STABLE),y)
-TOOLCHAIN_EXTERNAL_BOOTLIN_VERSION = 2024.05-1
-TOOLCHAIN_EXTERNAL_BOOTLIN_SOURCE = nios2--glibc--stable-$(TOOLCHAIN_EXTERNAL_BOOTLIN_VERSION).tar.xz
-TOOLCHAIN_EXTERNAL_BOOTLIN_SITE = https://toolchains.bootlin.com/downloads/releases/toolchains/nios2/tarballs
-endif
-
 ifeq ($(BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_OPENRISC_GLIBC_BLEEDING_EDGE),y)
 TOOLCHAIN_EXTERNAL_BOOTLIN_VERSION = 2024.05-1
 TOOLCHAIN_EXTERNAL_BOOTLIN_SOURCE = openrisc--glibc--bleeding-edge-$(TOOLCHAIN_EXTERNAL_BOOTLIN_VERSION).tar.xz