support/test-pkg: fixes and enhancements + add autobuild defconfigs

index 896be00b36..09cf9d437f 100644
@@ -32,6 +32,99 @@ using the following rules:
   with `.` and `-` characters substituted with `_` (e.g.:
   +FOO_BAR_BOO_VERSION+).
 
+[[testing-package]]
+==== How to test your package
+
+Once you have added your new package, it is important that you test it
+under various conditions: does it build for all architectures? Does it
+build with the different C libraries? Does it need threads, NPTL? And
+so on...
+
+Buildroot runs http://autobuild.buildroot.org/[autobuilders] which
+continuously test random configurations. However, these only build the
+`master` branch of the git tree, and your new fancy package is not yet
+there.
+
+Buildroot provides a script in +support/scripts/test-pkg+ that uses the
+same base configurations as used by the autobuilders so you can test
+your package in the same conditions.
+
+First, create a config snippet that contains all the necessary options
+needed to enable your package, but without any architecture or toolchain
+option. For example, let's create a config snippet that just enables
++libcurl+, without any TLS backend:
+
+----
+$ cat libcurl.config
+BR2_PACKAGE_LIBCURL=y
+----
+
+If your package needs more configuration options, you can add them to the
+config snippet. For example, here's how you would test +libcurl+ with
++openssl+ as a TLS backend and the +curl+ program:
+
+----
+$ cat libcurl.config
+BR2_PACKAGE_LIBCURL=y
+BR2_PACKAGE_CURL=y
+BR2_PACKAGE_OPENSSL=y
+----
+
+Then run the +test-pkg+ script, by telling it what config snippet to use
+and what package to test:
+
+----
+$ ./support/scripts/test-pkg -c libcurl.config -p libcurl
+----
+
+This will try to build your package against all the toolchains used
+by the autobuilders (except for the internal toolchains, because it takes
+too long to do so). The output lists all toolchains and the corresponding
+result (excerpt, results are fake):
+
+----
+$ ./support/scripts/test-pkg -c libcurl.config -p libcurl
+                armv5-ctng-linux-gnueabi: OK
+              armv7-ctng-linux-gnueabihf: OK
+                        br-aarch64-glibc: SKIPPED
+                           br-arcle-hs38: SKIPPED
+                            br-arm-basic: FAILED
+                  br-arm-cortex-a9-glibc: OK
+                   br-arm-cortex-a9-musl: FAILED
+                   br-arm-cortex-m4-full: OK
+                             br-arm-full: OK
+                    br-arm-full-nothread: OK
+                      br-arm-full-static: OK
+11 builds, 2 skipped, 2 failed
+----
+
+The results mean:
+
+* `OK`: the build was successful.
+* `SKIPPED`: one or more configuration options listed in the config
+  snippet were not present in the final configuration. This is due to
+  options having dependencies not satisfied by the toolchain, such as
+  for example a package that +depends on BR2_USE_MMU+ with a noMMU
+  toolchain. The missing options are reported in +config.missing+ in
+  the output build directory (+~/br-test-pkg/TOOLCHAIN_NAME/+ by
+  default).
+* `FAILED`: the build failed. Inspect the +logfile+ file in the output
+  build  directory to see what went wrong:
+** the actual build failed,
+** one of the preliminary steps (downloading the config file, applying
+   the configuration, running `dirclean` for the package) failed.
+
+When there are failures, you can just re-run the script with the same
+options (after you fixed your package); the script will attempt to
+re-build the package specified with +-p+ for all toolchains, without
+the need to re-build all the dependencies of that package.
+
+The +test-pkg+ script accepts a few options, for which you can get some
+help by running:
+
+----
+$ ./support/scripts/test-pkg -h
+----
 
 [[github-download-url]]
 ==== How to add a package from GitHub

index 4595991f0d..d577ff030e 100644
@@ -9,6 +9,9 @@ applications) can be integrated into Buildroot. It also shows how
 existing packages are integrated, which is needed for fixing issues or
 tuning their configuration.
 
+When you add a new package, be sure to test it in various conditions;
+see xref:testing-package[]
+
 include::adding-packages-directory.txt[]
 
 include::adding-packages-generic.txt[]

index 09cf9d437f..e1f6986724 100644
@@ -84,17 +84,17 @@ result (excerpt, results are fake):
 
 ----
 $ ./support/scripts/test-pkg -c libcurl.config -p libcurl
-                armv5-ctng-linux-gnueabi: OK
-              armv7-ctng-linux-gnueabihf: OK
-                        br-aarch64-glibc: SKIPPED
-                           br-arcle-hs38: SKIPPED
-                            br-arm-basic: FAILED
-                  br-arm-cortex-a9-glibc: OK
-                   br-arm-cortex-a9-musl: FAILED
-                   br-arm-cortex-m4-full: OK
-                             br-arm-full: OK
-                    br-arm-full-nothread: OK
-                      br-arm-full-static: OK
+                armv5-ctng-linux-gnueabi [ 1/11]: OK
+              armv7-ctng-linux-gnueabihf [ 2/11]: OK
+                        br-aarch64-glibc [ 3/11]: SKIPPED
+                           br-arcle-hs38 [ 4/11]: SKIPPED
+                            br-arm-basic [ 5/11]: FAILED
+                  br-arm-cortex-a9-glibc [ 6/11]: OK
+                   br-arm-cortex-a9-musl [ 7/11]: FAILED
+                   br-arm-cortex-m4-full [ 8/11]: OK
+                             br-arm-full [ 9/11]: OK
+                    br-arm-full-nothread [10/11]: OK
+                      br-arm-full-static [11/11]: OK
 11 builds, 2 skipped, 2 failed
 ----
 

index 0e7779de49..f9f994402d 100755
@@ -6,7 +6,7 @@ TOOLCHAINS_URL='http://autobuild.buildroot.org/toolchains/configs/toolchain-conf
 main() {
     local o O opts
     local cfg dir pkg random toolchain
-    local ret nb nb_skip nb_fail
+    local ret nb nb_skip nb_fail nb_tc
     local -a toolchains
 
     o='hc:d:p:r:'

@@ -60,7 +60,8 @@ main() {
                  )
                )
 
-    if [ ${#toolchains[@]} -eq 0 ]; then
+    nb_tc="${#toolchains[@]}"
+    if [ ${nb_tc} -eq 0 ]; then
         printf "error: no toolchain found (networking issue?)\n" >&2; exit 1
     fi
 

@@ -68,13 +69,15 @@ main() {
     nb_skip=0
     nb_fail=0
     for toolchain in "${toolchains[@]}"; do
+        : $((nb++))
+        printf "%40s [%*d/%d]: " "$(basename "${toolchain}" .config)" \
+                                 ${#nb_tc} ${nb} ${nb_tc}
         build_one "${dir}" "${toolchain}" "${cfg}" "${pkg}" && ret=0 || ret=${?}
         case ${ret} in
-        (0) ;;
-        (1) : $((nb_skip++));;
-        (2) : $((nb_fail++));;
+        (0) printf "OK\n";;
+        (1) : $((nb_skip++)); printf "SKIPPED\n";;
+        (2) : $((nb_fail++)); printf "FAILED\n";;
         esac
-        : $((nb++))
     done
 
     printf "%d builds, %d skipped, %d failed\n" ${nb} ${nb_skip} ${nb_fail}

@@ -90,13 +93,10 @@ build_one() {
     # Using basename(1) on a URL works nicely
     toolchain="$(basename "${url}" .config)"
 
-    printf "%40s: " "${toolchain}"
-
     dir="${dir}/${toolchain}"
     mkdir -p "${dir}"
 
     if ! curl -s "${url}" >"${dir}/.config"; then
-        printf "FAILED\n"
         return 2
     fi
 

@@ -109,7 +109,6 @@ build_one() {
     cat "${cfg}" >>"${dir}/.config"
 
     if ! make O="${dir}" olddefconfig > "${dir}/logfile" 2>&1; then
-        printf "FAILED\n"
         return 2
     fi
     # We want all the options from the snippet to be present as-is (set

@@ -120,7 +119,6 @@ build_one() {
     # done in the same locale.
     comm -23 <(sort "${cfg}") <(sort "${dir}/.config") >"${dir}/missing.config"
     if [ -s "${dir}/missing.config" ]; then
-        printf "SKIPPED\n"
         return 1
     fi
     # Remove file, it's empty anyway.

@@ -128,18 +126,14 @@ build_one() {
 
     if [ -n "${pkg}" ]; then
         if ! make O="${dir}" "${pkg}-dirclean" >> "${dir}/logfile" 2>&1; then
-            printf "FAILED\n"
             return 2
         fi
     fi
 
     # shellcheck disable=SC2086
     if ! make O="${dir}" ${pkg} >> "${dir}/logfile" 2>&1; then
-        printf "FAILED\n"
         return 2
     fi
-
-    printf "OK\n"
 }
 
 help() {

index f9f994402d..27601168b1 100755
@@ -6,7 +6,7 @@ TOOLCHAINS_URL='http://autobuild.buildroot.org/toolchains/configs/toolchain-conf
 main() {
     local o O opts
     local cfg dir pkg random toolchain
-    local ret nb nb_skip nb_fail nb_tc
+    local ret nb nb_skip nb_fail nb_tc build_dir
     local -a toolchains
 
     o='hc:d:p:r:'

@@ -68,11 +68,14 @@ main() {
     nb=0
     nb_skip=0
     nb_fail=0
-    for toolchain in "${toolchains[@]}"; do
+    for toolchainconfig in "${toolchains[@]}"; do
         : $((nb++))
-        printf "%40s [%*d/%d]: " "$(basename "${toolchain}" .config)" \
-                                 ${#nb_tc} ${nb} ${nb_tc}
-        build_one "${dir}" "${toolchain}" "${cfg}" "${pkg}" && ret=0 || ret=${?}
+        # Using basename(1) on a URL works nicely
+        toolchain="$(basename "${toolchainconfig}" .config)"
+        build_dir="${dir}/${toolchain}"
+        mkdir -p "${build_dir}"
+        printf "%40s [%*d/%d]: " "${toolchain}" ${#nb_tc} ${nb} ${nb_tc}
+        build_one "${build_dir}" "${toolchainconfig}" "${cfg}" "${pkg}" && ret=0 || ret=${?}
         case ${ret} in
         (0) printf "OK\n";;
         (1) : $((nb_skip++)); printf "SKIPPED\n";;

@@ -88,13 +91,6 @@ build_one() {
     local url="${2}"
     local cfg="${3}"
     local pkg="${4}"
-    local toolchain
-
-    # Using basename(1) on a URL works nicely
-    toolchain="$(basename "${url}" .config)"
-
-    dir="${dir}/${toolchain}"
-    mkdir -p "${dir}"
 
     if ! curl -s "${url}" >"${dir}/.config"; then
         return 2

index e1f6986724..d1eab2b440 100644
@@ -93,9 +93,9 @@ $ ./support/scripts/test-pkg -c libcurl.config -p libcurl
                    br-arm-cortex-a9-musl [ 7/11]: FAILED
                    br-arm-cortex-m4-full [ 8/11]: OK
                              br-arm-full [ 9/11]: OK
-                    br-arm-full-nothread [10/11]: OK
+                    br-arm-full-nothread [10/11]: FAILED
                       br-arm-full-static [11/11]: OK
-11 builds, 2 skipped, 2 failed
+11 builds, 2 skipped, 2 build failed, 1 legal-info failed
 ----
 
 The results mean:

@@ -111,6 +111,7 @@ The results mean:
 * `FAILED`: the build failed. Inspect the +logfile+ file in the output
   build  directory to see what went wrong:
 ** the actual build failed,
+** the legal-info failed,
 ** one of the preliminary steps (downloading the config file, applying
    the configuration, running `dirclean` for the package) failed.
 

index 27601168b1..0d093e8c2f 100755
@@ -6,7 +6,7 @@ TOOLCHAINS_URL='http://autobuild.buildroot.org/toolchains/configs/toolchain-conf
 main() {
     local o O opts
     local cfg dir pkg random toolchain
-    local ret nb nb_skip nb_fail nb_tc build_dir
+    local ret nb nb_skip nb_fail nb_legal nb_tc build_dir
     local -a toolchains
 
     o='hc:d:p:r:'

@@ -68,6 +68,7 @@ main() {
     nb=0
     nb_skip=0
     nb_fail=0
+    nb_legal=0
     for toolchainconfig in "${toolchains[@]}"; do
         : $((nb++))
         # Using basename(1) on a URL works nicely

@@ -80,10 +81,12 @@ main() {
         (0) printf "OK\n";;
         (1) : $((nb_skip++)); printf "SKIPPED\n";;
         (2) : $((nb_fail++)); printf "FAILED\n";;
+        (3) : $((nb_legal++)); printf "FAILED\n";;
         esac
     done
 
-    printf "%d builds, %d skipped, %d failed\n" ${nb} ${nb_skip} ${nb_fail}
+    printf "%d builds, %d skipped, %d build failed, %d legal-info failed\n" \
+        ${nb} ${nb_skip} ${nb_fail} ${nb_legal}
 }
 
 build_one() {

@@ -130,6 +133,14 @@ build_one() {
     if ! make O="${dir}" ${pkg} >> "${dir}/logfile" 2>&1; then
         return 2
     fi
+
+    # legal-info done systematically, because some packages have different
+    # sources depending on the configuration (e.g. lua-5.2 vs. lua-5.3)
+    if [ -n "${pkg}" ]; then
+        if ! make O="${dir}" "${pkg}-legal-info" >> "${dir}/logfile" 2>&1; then
+            return 3
+        fi
+    fi
 }
 
 help() {

index 941bf789c8..1d377099b2 100644
@@ -895,10 +895,17 @@ defconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
 	@$(COMMON_CONFIG_ENV) $< --defconfig$(if $(DEFCONFIG),=$(DEFCONFIG)) $(CONFIG_CONFIG_IN)
 
 define percent_defconfig
+# Introduce a phony intermediate target to handle / in the pattern.
+# make puts anything up to the / in the beginning if the target pattern doesn't
+# contain a /. Without the intermediate, foo/bar_defconfig would depend on
+# foo/$(1)/configs/bar_defconfig instead of $(1)/configs/foo/bar_defconfig.
+.PHONY: %$(1)/defconfig
+%_defconfig: %$(1)/defconfig
+	@: dummy command to make chain of phony targets work
 # Override the BR2_DEFCONFIG from COMMON_CONFIG_ENV with the new defconfig
-%_defconfig: $(BUILD_DIR)/buildroot-config/conf $(1)/configs/%_defconfig prepare-kconfig
-	@$$(COMMON_CONFIG_ENV) BR2_DEFCONFIG=$(1)/configs/$$@ \
-		$$< --defconfig=$(1)/configs/$$@ $$(CONFIG_CONFIG_IN)
+%$(1)/defconfig: $(BUILD_DIR)/buildroot-config/conf $(1)/configs/%_defconfig prepare-kconfig
+	@$$(COMMON_CONFIG_ENV) BR2_DEFCONFIG=$(1)/configs/$$*_defconfig \
+		$$< --defconfig=$(1)/configs/$$*_defconfig $$(CONFIG_CONFIG_IN)
 endef
 $(eval $(foreach d,$(call reverse,$(TOPDIR) $(BR2_EXTERNAL_DIRS)),$(call percent_defconfig,$(d))$(sep)))
 

new file mode 100644
index 0000000000..c2f4cb62ca
@@ -0,0 +1,10 @@
+BR2_arm=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/armv5-ctng-linux-gnueabi.tar.xz"
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="armv5-ctng-linux-gnueabi"
+BR2_TOOLCHAIN_EXTERNAL_GCC_4_8=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_3_12=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..60ec952940
@@ -0,0 +1,13 @@
+BR2_arm=y
+BR2_cortex_a9=y
+BR2_ARM_ENABLE_NEON=y
+BR2_ARM_ENABLE_VFP=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/armv7-ctng-linux-gnueabihf.tar.xz"
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="armv7-ctng-linux-gnueabihf"
+BR2_TOOLCHAIN_EXTERNAL_GCC_4_8=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_3_12=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..1e7387aa29
@@ -0,0 +1,9 @@
+BR2_aarch64=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-aarch64-glibc-2017.02-744-g40962a0.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_1=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..4755c9e45b
@@ -0,0 +1,3 @@
+BR2_arcle=y
+BR2_TOOLCHAIN_BUILDROOT_LOCALE=y
+BR2_TOOLCHAIN_BUILDROOT_CXX=y

new file mode 100644
index 0000000000..ab5476c51f
@@ -0,0 +1,10 @@
+BR2_arcle=y
+BR2_archs38=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-arcle-hs38-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_6=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_1=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..676ffb0ebf
@@ -0,0 +1,8 @@
+BR2_arm=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-arm-basic-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set

new file mode 100644
index 0000000000..919a062b58
@@ -0,0 +1,11 @@
+BR2_arm=y
+BR2_cortex_a9=y
+BR2_ARM_ENABLE_VFP=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-arm-cortex-a9-glibc-2017.02-744-g40962a0.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_6=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..7bd0f4ed10
@@ -0,0 +1,11 @@
+BR2_arm=y
+BR2_cortex_a9=y
+BR2_ARM_ENABLE_VFP=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-arm-cortex-a9-musl-2017.02-744-g40962a0.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_MUSL=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..228de9f514
@@ -0,0 +1,12 @@
+BR2_arm=y
+BR2_cortex_m4=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-arm-cortex-m4-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_NPTL is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..9942453bb2
@@ -0,0 +1,11 @@
+BR2_arm=y
+BR2_arm1176jzf_s=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-arm11-full-nothread-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..b343c3f076
@@ -0,0 +1,11 @@
+BR2_arm=y
+BR2_STATIC_LIBS=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-arm-full-static-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_3_10=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..736dea6d6d
@@ -0,0 +1,10 @@
+BR2_arm=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-arm-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_4_8=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_3_10=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..2e70534882
@@ -0,0 +1,6 @@
+BR2_arm=y
+BR2_ARM_EABI=y
+BR2_UCLIBC_VERSION_NG=y
+BR2_TOOLCHAIN_BUILDROOT_LOCALE=y
+BR2_TOOLCHAIN_BUILDROOT_WCHAR=y
+BR2_TOOLCHAIN_BUILDROOT_CXX=y

new file mode 100644
index 0000000000..dde98379fa
@@ -0,0 +1,12 @@
+BR2_bfin=y
+BR2_bf512=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.net/toolchains/tarballs/br-bfin-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_6=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_NPTL is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..14aa0d6f42
@@ -0,0 +1,10 @@
+BR2_x86_pentium_mmx=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.net/toolchains/tarballs/br-i386-pentium-mmx-musl-2017.02-744-g40962a0.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_3_12=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_MUSL=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_SSP is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..919c64839e
@@ -0,0 +1,10 @@
+BR2_x86_pentium4=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-i386-pentium4-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_3_2=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..4b31fe7c4d
@@ -0,0 +1,11 @@
+BR2_m68k=y
+BR2_m68k_cf5208=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.net/toolchains/tarballs/br-m68k-5208-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_NPTL is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..816ee1af08
@@ -0,0 +1,10 @@
+BR2_m68k=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.net/toolchains/tarballs/br-m68k-68040-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_NPTL is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..0d2d7df8f1
@@ -0,0 +1 @@
+BR2_microblazeel=y

new file mode 100644
index 0000000000..057b80fe45
@@ -0,0 +1,10 @@
+BR2_microblazeel=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-microblaze-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_1=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_NPTL is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..3f47ea499c
@@ -0,0 +1,11 @@
+BR2_mipsel=y
+BR2_mips_32r6=y
+# BR2_MIPS_SOFT_FLOAT is not set
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-mips32r6-el-hf-2017.02-744-g40962a0.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..be287b4144
@@ -0,0 +1,10 @@
+BR2_mips64el=y
+BR2_MIPS_NABI64=y
+# BR2_MIPS_SOFT_FLOAT is not set
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-mips64-n64-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_4_8=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..bdb709d5b5
@@ -0,0 +1,12 @@
+BR2_mips64el=y
+BR2_mips_64r6=y
+BR2_MIPS_NABI64=y
+# BR2_MIPS_SOFT_FLOAT is not set
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-mips64r6-n64-el-hf-2017.02-744-g40962a0.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..e648b6bdc0
@@ -0,0 +1,10 @@
+BR2_mipsel=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-mipsel-o32-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..6500fcc781
@@ -0,0 +1,9 @@
+BR2_nios2=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-nios2-full-2017.02-744-g40962a0.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..40e3af1e83
@@ -0,0 +1,10 @@
+BR2_or1k=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.net/toolchains/tarballs/br-openrisc-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_NPTL is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..58523723c9
@@ -0,0 +1,10 @@
+BR2_powerpc=y
+BR2_powerpc_603e=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-powerpc-603e-basic-cpp-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..43b4c8c0a9
@@ -0,0 +1,11 @@
+BR2_powerpc=y
+BR2_powerpc_e500mc=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-powerpc-e500mc-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..2621e9fb41
@@ -0,0 +1,5 @@
+BR2_powerpc=y
+BR2_TOOLCHAIN_BUILDROOT_INET_IPV6=y
+BR2_TOOLCHAIN_BUILDROOT_LOCALE=y
+BR2_TOOLCHAIN_BUILDROOT_WCHAR=y
+BR2_TOOLCHAIN_BUILDROOT_CXX=y

new file mode 100644
index 0000000000..5c56a0d453
@@ -0,0 +1,9 @@
+BR2_powerpc64=y
+BR2_powerpc_power7=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.net/toolchains/tarballs/br-powerpc64-power7-glibc-2017.02-744-g40962a0.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..e11c22fa87
@@ -0,0 +1,9 @@
+BR2_powerpc64le=y
+BR2_powerpc_power8=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.net/toolchains/tarballs/br-powerpc64le-power8-glibc-2017.02-744-g40962a0.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..593d813227
@@ -0,0 +1,10 @@
+BR2_sh=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-sh4-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..b5d3556e55
@@ -0,0 +1,9 @@
+BR2_sparc=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-sparc-uclibc-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_1=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..a7fa8b525d
@@ -0,0 +1,8 @@
+BR2_sparc64=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-sparc64-full-2017.02-744-g40962a0.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_1=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..d680b1466c
@@ -0,0 +1,11 @@
+BR2_x86_64=y
+BR2_x86_core2=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-x86-64-core2-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_4=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..f2bbcb32d1
@@ -0,0 +1,10 @@
+BR2_x86_64=y
+BR2_x86_atom=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-x86-64-musl-2017.02-744-g40962a0.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_MUSL=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..f642a4d76b
@@ -0,0 +1,4 @@
+BR2_xtensa=y
+BR2_JLEVEL=8
+BR2_TOOLCHAIN_BUILDROOT_LOCALE=y
+BR2_TOOLCHAIN_BUILDROOT_CXX=y

new file mode 100644
index 0000000000..c56393e306
@@ -0,0 +1,9 @@
+BR2_xtensa=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-xtensa-full-2017.02-756-gae15148.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_GCC_5=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
+BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
+# BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..9a961123c3
@@ -0,0 +1,10 @@
+BR2_x86_i686=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/i686-ctng-linux-gnu.tar.xz"
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="i686-ctng-linux-gnu"
+BR2_TOOLCHAIN_EXTERNAL_GCC_4_8=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_3_9=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..bb466f384b
@@ -0,0 +1,2 @@
+BR2_aarch64=y
+BR2_TOOLCHAIN_EXTERNAL=y

new file mode 100644
index 0000000000..91149a7d1d
@@ -0,0 +1,4 @@
+BR2_arm=y
+BR2_cortex_a8=y
+BR2_ARM_EABIHF=y
+BR2_TOOLCHAIN_EXTERNAL=y

new file mode 100644
index 0000000000..cf33ea26f3
@@ -0,0 +1,9 @@
+BR2_mips64el=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/mips64el-ctng_n32-linux-gnu.tar.xz"
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="mips64el-ctng_n32-linux-gnu"
+BR2_TOOLCHAIN_EXTERNAL_GCC_4_8=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_3_9=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..942a1b13b5
@@ -0,0 +1,11 @@
+BR2_mips64el=y
+BR2_MIPS_NABI64=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/mips64el-ctng_n64-linux-gnu.tar.xz"
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="mips64el-ctng_n64-linux-gnu"
+BR2_TOOLCHAIN_EXTERNAL_GCC_4_8=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_3_9=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..e82d3fbda7
@@ -0,0 +1,11 @@
+BR2_powerpc=y
+BR2_powerpc_8548=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/powerpc-ctng_e500v2-linux-gnuspe.tar.xz"
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="powerpc-ctng_e500v2-linux-gnuspe"
+BR2_TOOLCHAIN_EXTERNAL_GCC_4_7=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_3_12=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..4c0e01fecb
@@ -0,0 +1,4 @@
+BR2_arm=y
+BR2_arm920t=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM=y

new file mode 100644
index 0000000000..14b64b7892
@@ -0,0 +1,6 @@
+BR2_arm=y
+BR2_cortex_a8=y
+BR2_ARM_EABI=y
+BR2_ARM_INSTRUCTIONS_THUMB2=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TARGET_OPTIMIZATION=""

new file mode 100644
index 0000000000..8ade4647f2
@@ -0,0 +1,3 @@
+BR2_arm=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM=y

new file mode 100644
index 0000000000..77e3a853e1
@@ -0,0 +1,5 @@
+BR2_mips64el=y
+BR2_mips_64r2=y
+BR2_MIPS_NABI64=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS=y

new file mode 100644
index 0000000000..103e20bfc2
@@ -0,0 +1,4 @@
+BR2_mips=y
+BR2_mips_32r2=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS=y

new file mode 100644
index 0000000000..0124413d9f
@@ -0,0 +1,2 @@
+BR2_nios2=y
+BR2_TOOLCHAIN_EXTERNAL=y

new file mode 100644
index 0000000000..515fc8fbb1
@@ -0,0 +1,4 @@
+BR2_sh=y
+BR2_sh4a=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH=y

new file mode 100644
index 0000000000..6c7ad4c5b7
@@ -0,0 +1,4 @@
+BR2_x86_64=y
+BR2_x86_steamroller=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_AMD64=y

new file mode 100644
index 0000000000..ad629f626b
@@ -0,0 +1,3 @@
+BR2_x86_pentium4=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86=y

new file mode 100644
index 0000000000..435034be27
@@ -0,0 +1,11 @@
+BR2_x86_64=y
+BR2_x86_corei7=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/x86_64-ctng_locales-linux-gnu.tar.xz"
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="x86_64-ctng_locales-linux-gnu"
+BR2_TOOLCHAIN_EXTERNAL_GCC_4_8=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_3_9=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+BR2_TOOLCHAIN_EXTERNAL_CXX=y

new file mode 100644
index 0000000000..0f20847f6d
@@ -0,0 +1,6 @@
+# This config fragment disables Buildroot options that are turned on by
+# default, in order to arrive at minimal build time.
+BR2_INIT_NONE=y
+BR2_SYSTEM_BIN_SH_NONE=y
+# BR2_PACKAGE_BUSYBOX is not set
+# BR2_TARGET_ROOTFS_TAR is not set

index 0d093e8c2f..67f88ec380 100755
@@ -99,13 +99,7 @@ build_one() {
         return 2
     fi
 
-    cat >>"${dir}/.config" <<-_EOF_
-	BR2_INIT_NONE=y
-	BR2_SYSTEM_BIN_SH_NONE=y
-	# BR2_PACKAGE_BUSYBOX is not set
-	# BR2_TARGET_ROOTFS_TAR is not set
-	_EOF_
-    cat "${cfg}" >>"${dir}/.config"
+    cat "support/misc/minimal.config" "${cfg}" >>"${dir}/.config"
 
     if ! make O="${dir}" olddefconfig > "${dir}/logfile" 2>&1; then
         return 2

index 67f88ec380..f86d266e6a 100755
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-TOOLCHAINS_URL='http://autobuild.buildroot.org/toolchains/configs/toolchain-configs.csv'
+TOOLCHAINS_DIR=configs/autobuild
 
 main() {
     local o O opts

@@ -47,11 +47,10 @@ main() {
         dir="${HOME}/br-test-pkg"
     fi
 
-    # Extract the URLs of the toolchains; drop internal toolchains
-    # E.g.: http://server/path/to/name.config,arch,libc
-    #  -->  http://server/path/to/name.config
-    toolchains=($(curl -s "${TOOLCHAINS_URL}" \
-                  |sed -r -e 's/,.*//; /internal/d;' \
+    # Find external toolchains
+    # shellcheck disable=SC2011
+    toolchains=($(ls -1 "${TOOLCHAINS_DIR}"/*_defconfig \
+                  |xargs -r grep -l -F -x "BR2_TOOLCHAIN_EXTERNAL=y" \
                   |if [ ${random} -gt 0 ]; then \
                       sort -R |head -n ${random}
                    else

@@ -62,7 +61,7 @@ main() {
 
     nb_tc="${#toolchains[@]}"
     if [ ${nb_tc} -eq 0 ]; then
-        printf "error: no toolchain found (networking issue?)\n" >&2; exit 1
+        printf "error: no toolchain found\n" >&2; exit 1
     fi
 
     nb=0

@@ -72,7 +71,7 @@ main() {
     for toolchainconfig in "${toolchains[@]}"; do
         : $((nb++))
         # Using basename(1) on a URL works nicely
-        toolchain="$(basename "${toolchainconfig}" .config)"
+        toolchain="$(basename "${toolchainconfig}" _defconfig)"
         build_dir="${dir}/${toolchain}"
         mkdir -p "${build_dir}"
         printf "%40s [%*d/%d]: " "${toolchain}" ${#nb_tc} ${nb} ${nb_tc}

@@ -91,15 +90,11 @@ main() {
 
 build_one() {
     local dir="${1}"
-    local url="${2}"
+    local toolchainconfig="${2}"
     local cfg="${3}"
     local pkg="${4}"
 
-    if ! curl -s "${url}" >"${dir}/.config"; then
-        return 2
-    fi
-
-    cat "support/misc/minimal.config" "${cfg}" >>"${dir}/.config"
+    cat "${toolchainconfig}" "support/misc/minimal.config" "${cfg}" >>"${dir}/.config"
 
     if ! make O="${dir}" olddefconfig > "${dir}/logfile" 2>&1; then
         return 2

@@ -151,8 +146,10 @@ In case failures are noticed, you can fix the package and just re-run the
 same command again; it will re-run the test where it failed. If you did
 specify a package (with -p), the package build dir will be removed first.
 
-The list of toolchains is retrieved from the Buildroot autobuilders, available
-at ${TOOLCHAINS_URL}.
+The toolchains to try are retrieved from ${TOOLCHAINS_DIR}. This directory
+contains a defconfig file for each toolchain configuration used by the
+autobuilders. Only the external toolchains are tried, because building a
+Buildroot toolchain would take too long.
 
 Options:
 

index f86d266e6a..d7f5cbe8cf 100755
@@ -5,16 +5,17 @@ TOOLCHAINS_DIR=configs/autobuild
 
 main() {
     local o O opts
-    local cfg dir pkg random toolchain
+    local cfg dir pkg random toolchains_dir toolchain
     local ret nb nb_skip nb_fail nb_legal nb_tc build_dir
     local -a toolchains
 
-    o='hc:d:p:r:'
-    O='help,config-snippet:build-dir:package:,random:'
+    o='hc:d:p:r:t:'
+    O='help,config-snippet:build-dir:package:,random:,toolchains-dir:'
     opts="$(getopt -n "${my_name}" -o "${o}" -l "${O}" -- "${@}")"
     eval set -- "${opts}"
 
     random=0
+    toolchains_dir="${TOOLCHAINS_DIR}"
     while [ ${#} -gt 0 ]; do
         case "${1}" in
         (-h|--help)

@@ -32,6 +33,9 @@ main() {
         (-r|--random)
             random="${2}"; shift 2
             ;;
+        (-t|--toolchains-dir)
+            toolchains_dir="${2}"; shift 2
+            ;;
         (--)
             shift; break
             ;;

@@ -49,7 +53,7 @@ main() {
 
     # Find external toolchains
     # shellcheck disable=SC2011
-    toolchains=($(ls -1 "${TOOLCHAINS_DIR}"/*_defconfig \
+    toolchains=($(ls -1 "${toolchains_dir}"/*_defconfig 2>/dev/null \
                   |xargs -r grep -l -F -x "BR2_TOOLCHAIN_EXTERNAL=y" \
                   |if [ ${random} -gt 0 ]; then \
                       sort -R |head -n ${random}

@@ -149,7 +153,11 @@ specify a package (with -p), the package build dir will be removed first.
 The toolchains to try are retrieved from ${TOOLCHAINS_DIR}. This directory
 contains a defconfig file for each toolchain configuration used by the
 autobuilders. Only the external toolchains are tried, because building a
-Buildroot toolchain would take too long.
+Buildroot toolchain would take too long. An alternative directory
+containing defconfigs of toolchains to try can be specified with the -t
+option. These defconfigs should contain only the toolchain and architecture
+settings. Again, only defconfigs which specify an external toolchain will
+be tried.
 
 Options:
 

@@ -171,6 +179,10 @@ Options:
         Limit the tests to the N randomly selected toolchains, instead of
         building with all toolchains.
 
+    -t DIR, --toolchain-dir DIR
+        Directory containing defconfigs of toolchains to try. If not specified,
+        the toolchains in ${TOOLCHAINS_DIR} will be used.
+
 Example:
 
     Testing libcec would require a config snippet that contains:

index 1d377099b2..89eb748df6 100644
@@ -846,50 +846,20 @@ config: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
 # no values are set for the legacy options so a subsequent oldconfig
 # will query them. Therefore, run an additional olddefconfig.
 
-oldconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
-	@$(COMMON_CONFIG_ENV) $< --oldconfig $(CONFIG_CONFIG_IN)
-
-randconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
-	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --randconfig $(CONFIG_CONFIG_IN)
-	@$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
-
-allyesconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
-	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --allyesconfig $(CONFIG_CONFIG_IN)
-	@$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
-
-allnoconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
-	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --allnoconfig $(CONFIG_CONFIG_IN)
-	@$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
-
-randpackageconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
-	@grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
-	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
-		KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
-		$< --randconfig $(CONFIG_CONFIG_IN)
-	@rm -f $(CONFIG_DIR)/.config.nopkg
+randconfig allyesconfig allnoconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
+	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --$@ $(CONFIG_CONFIG_IN)
 	@$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
 
-allyespackageconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
+randpackageconfig allyespackageconfig allnopackageconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
 	@grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
 	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
 		KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
-		$< --allyesconfig $(CONFIG_CONFIG_IN)
+		$< --$(subst package,,$@) $(CONFIG_CONFIG_IN)
 	@rm -f $(CONFIG_DIR)/.config.nopkg
 	@$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
 
-allnopackageconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
-	@grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
-	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
-		KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
-		$< --allnoconfig $(CONFIG_CONFIG_IN)
-	@rm -f $(CONFIG_DIR)/.config.nopkg
-	@$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
-
-silentoldconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
-	$(COMMON_CONFIG_ENV) $< --silentoldconfig $(CONFIG_CONFIG_IN)
-
-olddefconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
-	$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN)
+oldconfig silentoldconfig olddefconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
+	@$(COMMON_CONFIG_ENV) $< --$@ $(CONFIG_CONFIG_IN)
 
 defconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
 	@$(COMMON_CONFIG_ENV) $< --defconfig$(if $(DEFCONFIG),=$(DEFCONFIG)) $(CONFIG_CONFIG_IN)

index 89eb748df6..b68e464da6 100644
@@ -126,7 +126,7 @@ DATE := $(shell date +%Y%m%d)
 export BR2_VERSION_FULL := $(BR2_VERSION)$(shell $(TOPDIR)/support/scripts/setlocalversion)
 
 noconfig_targets := menuconfig nconfig gconfig xconfig config oldconfig randconfig \
-	defconfig %_defconfig allyesconfig allnoconfig silentoldconfig release \
+	defconfig %_defconfig allyesconfig allnoconfig alldefconfig silentoldconfig release \
 	randpackageconfig allyespackageconfig allnopackageconfig \
 	print-version olddefconfig distclean manual manual-html manual-split-html \
 	manual-pdf manual-text manual-epub

@@ -846,7 +846,7 @@ config: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
 # no values are set for the legacy options so a subsequent oldconfig
 # will query them. Therefore, run an additional olddefconfig.
 
-randconfig allyesconfig allnoconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
+randconfig allyesconfig alldefconfig allnoconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
 	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --$@ $(CONFIG_CONFIG_IN)
 	@$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
 

@@ -957,6 +957,7 @@ help:
 	@echo '  savedefconfig          - Save current config to BR2_DEFCONFIG (minimal config)'
 	@echo '  allyesconfig           - New config where all options are accepted with yes'
 	@echo '  allnoconfig            - New config where all options are answered with no'
+	@echo '  alldefconfig           - New config where all options are set to default'
 	@echo '  randpackageconfig      - New config with random answer to package options'
 	@echo '  allyespackageconfig    - New config where pkg options are accepted with yes'
 	@echo '  allnopackageconfig     - New config where package options are answered with no'

index d7f5cbe8cf..383e018c63 100755
@@ -98,11 +98,9 @@ build_one() {
     local cfg="${3}"
     local pkg="${4}"
 
-    cat "${toolchainconfig}" "support/misc/minimal.config" "${cfg}" >>"${dir}/.config"
+    support/kconfig/merge_config.sh -O "${dir}" \
+        "${toolchainconfig}" "support/misc/minimal.config" "${cfg}" > /dev/null
 
-    if ! make O="${dir}" olddefconfig > "${dir}/logfile" 2>&1; then
-        return 2
-    fi
     # We want all the options from the snippet to be present as-is (set
     # or not set) in the actual .config; if one of them is not, it means
     # some dependency from the toolchain or arch is not available, in

index b68e464da6..186e8b6d88 100644
@@ -1013,18 +1013,20 @@ help:
 # $(2): br2-external name, empty for bundled
 define list-defconfigs
 	@first=true; \
-	for defconfig in $(1)/configs/*_defconfig; do \
-		[ -f "$${defconfig}" ] || continue; \
-		if $${first}; then \
-			if [ "$(2)" ]; then \
-				printf 'External configs in "$(call qstrip,$(2))":\n'; \
-			else \
-				printf "Built-in configs:\n"; \
+	for dir in `find $(1)/configs/ -type d`; do \
+		for defconfig in $${dir}/*_defconfig; do \
+			[ -f "$${defconfig}" ] || continue; \
+			if $${first}; then \
+				if [ "$(2)" ]; then \
+					printf 'External configs in "$(call qstrip,$(2))":\n'; \
+				else \
+					printf "Built-in configs:\n"; \
+				fi; \
+				first=false; \
 			fi; \
-			first=false; \
-		fi; \
-		defconfig="$${defconfig##*/}"; \
-		printf "  %-35s - Build for %s\n" "$${defconfig}" "$${defconfig%_defconfig}"; \
+			defconfig="$${defconfig##$(1)/configs/}"; \
+			printf "  %-35s - Build for %s\n" "$${defconfig}" "$${defconfig%_defconfig}"; \
+		done; \
 	done; \
 	$${first} || printf "\n"
 endef