Update buildroot to 2021.02.1 (#1312)

Signed-off-by: Stefan Agner <stefan@agner.ch>

buildroot/support/dependencies/dependencies.sh

@@ -2,6 +2,9 @@
 # vi: set sw=4 ts=4:
 
 export LC_ALL=C
+TAB="$(printf '\t')"
+NL="
+"
 
 # Verify that grep works
 echo "WORKS" | grep "WORKS" >/dev/null 2>&1
@@ -35,9 +38,9 @@ case ":${PATH:-unset}:" in
 	echo "PATH environment variable. This doesn't work."
 	exit 1
 	;;
-(*"
-"*)	printf "\n"
-	printf "Your PATH contains a newline (\\\n) character.\n"
+(*" "*|*"${TAB}"*|*"${NL}"*)
+	printf "\n"
+	printf "Your PATH contains spaces, TABs, and/or newline (\\\n) characters.\n"
 	printf "This doesn't work. Fix you PATH.\n"
 	exit 1
 	;;

buildroot/support/download/helpers

@@ -59,7 +59,7 @@ mk_tar_gz() {
     LC_ALL=C sort <"${tmp}.list" >"${tmp}.sorted"
 
     # Create POSIX tarballs, since that's the format the most reproducible
-    tar cf - --transform="s#^\./#${base_dir}/#" \
+    tar cf - --transform="s#^\./#${base_dir}/#S" \
              --numeric-owner --owner=0 --group=0 --mtime="${date}" \
              --format=posix --pax-option="${pax_options}" \
              -T "${tmp}.sorted" >"${tmp}.tar"

buildroot/support/download/svn

@@ -43,14 +43,16 @@ _svn() {
     eval ${SVN} "${@}"
 }
 
-_svn export ${verbose} "${@}" "'${uri}@${rev}'" "'${basename}'"
+_svn export --ignore-keywords ${verbose} "${@}" "'${uri}@${rev}'" "'${basename}'"
 
 # Get the date of the revision, to generate reproducible archives.
 # The output format is YYYY-MM-DDTHH:MM:SS.mmmuuuZ (i.e. always in the
 # UTC timezone), which we can feed as-is to the --mtime option for tar.
 # In case there is a redirection (e.g. http -> https), just keep the
 # last line (svn outputs everything on stdout)
-date="$( _svn info --show-item last-changed-date "'${uri}@${rev}'" |tail -n 1 )"
+date="$( _svn info "'${uri}@${rev}'" \
+        |sed -r -e '/^Last Changed Date: /!d; s///'
+       )"
 
 # Generate the archive.
 # We did a 'svn export' above, so it's not a working copy (there is no .svn

buildroot/support/misc/Vagrantfile

@@ -5,7 +5,7 @@
 ################################################################################
 
 # Buildroot version to use
-RELEASE='2021.02'
+RELEASE='2021.02.1'
 
 ### Change here for more memory/cores ###
 VM_MEMORY=2048

buildroot/support/misc/toolchainfile.cmake.in

@@ -29,9 +29,7 @@ set(CMAKE_SYSTEM_PROCESSOR @@CMAKE_SYSTEM_PROCESSOR@@)
 #   if the project forces some of these flag variables, Buildroot is
 #   screwed up and there is nothing Buildroot can do about that :(
 set(CMAKE_C_FLAGS_DEBUG "" CACHE STRING "Debug CFLAGS")
-set(CMAKE_CXX_FLAGS_DEBUG "" CACHE STRING "Debug CXXFLAGS")
 set(CMAKE_C_FLAGS_RELEASE " -DNDEBUG" CACHE STRING "Release CFLAGS")
-set(CMAKE_CXX_FLAGS_RELEASE " -DNDEBUG" CACHE STRING "Release CXXFLAGS")
 
 # Build type from the Buildroot configuration
 set(CMAKE_BUILD_TYPE @@CMAKE_BUILD_TYPE@@ CACHE STRING "Buildroot build configuration")
@@ -44,7 +42,6 @@ set(CMAKE_BUILD_TYPE @@CMAKE_BUILD_TYPE@@ CACHE STRING "Buildroot build configur
 # * and make sure the project's CMake code extends them like this if needed:
 #     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Dsome_definitions")
 set(CMAKE_C_FLAGS "@@TARGET_CFLAGS@@" CACHE STRING "Buildroot CFLAGS")
-set(CMAKE_CXX_FLAGS "@@TARGET_CXXFLAGS@@" CACHE STRING "Buildroot CXXFLAGS")
 set(CMAKE_EXE_LINKER_FLAGS "@@TARGET_LDFLAGS@@" CACHE STRING "Buildroot LDFLAGS for executables")
 set(CMAKE_SHARED_LINKER_FLAGS "@@TARGET_LDFLAGS@@" CACHE STRING "Buildroot LDFLAGS for shared libraries")
 set(CMAKE_MODULE_LINKER_FLAGS "@@TARGET_LDFLAGS@@" CACHE STRING "Buildroot LDFLAGS for module libraries")
@@ -62,7 +59,12 @@ set(ENV{PKG_CONFIG_SYSROOT_DIR} "${RELOCATED_HOST_DIR}/@@STAGING_SUBDIR@@")
 
 # This toolchain file can be used both inside and outside Buildroot.
 set(CMAKE_C_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CC@@")
-set(CMAKE_CXX_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CXX@@")
+if(@@TOOLCHAIN_HAS_CXX@@)
+  set(CMAKE_CXX_FLAGS_DEBUG "" CACHE STRING "Debug CXXFLAGS")
+  set(CMAKE_CXX_FLAGS_RELEASE " -DNDEBUG" CACHE STRING "Release CXXFLAGS")
+  set(CMAKE_CXX_FLAGS "@@TARGET_CXXFLAGS@@" CACHE STRING "Buildroot CXXFLAGS")
+  set(CMAKE_CXX_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CXX@@")
+endif()
 if(@@TOOLCHAIN_HAS_FORTRAN@@)
   set(CMAKE_Fortran_FLAGS_DEBUG "" CACHE STRING "Debug Fortran FLAGS")
   set(CMAKE_Fortran_FLAGS_RELEASE " -DNDEBUG" CACHE STRING "Release Fortran FLAGS")

buildroot/support/scripts/pycompile.py

@@ -30,7 +30,7 @@ def compile_one(host_path, strip_root=None, verbose=False):
     if os.path.islink(host_path) or not os.path.isfile(host_path):
         return  # only compile real files
 
-    if not re.match(r"^[_A-Za-z][_A-Za-z0-9]+\.py$",
+    if not re.match(r"^[_A-Za-z][_A-Za-z0-9]*\.py$",
                     os.path.basename(host_path)):
         return  # only compile "importable" python modules