Merge branch 'arc-dev' into arc-staging

Author: anthony-kolesov

README.md

@@ -60,6 +60,10 @@ prevent errors due to missing TeX fonts while building a documentation. Since
 possible to omit `texlive-*` in `yum install` and instead pass `--no-pdf`
 option to the `build-all.sh` script if the documentation is not required.
 
+`git` package is required only if toolchain is being built from git
+repositories. If it is built from the source tarball, then `git` is not
+required.
+
 GCC depends on the GMP, MPFR and MPC packages, however there are problems with
 availability of those packages on the RHEL/CentOS 6 systems (packages has too
 old versions or not available at all). To avoid this problem our build script

build-elf32.sh

@@ -374,9 +374,19 @@ then
 fi
 
 # GDB
+
+# Similar to ARC Linux targets, on Windows there are issues with exceptions when
+# GDB is compiled as a C++ applications, so as a temporary measure disable C++
+# when doing canadian cross.
+if [ $IS_CROSS_COMPILING ]; then
+    cxx_build=--disable-build-with-cxx
+else
+    cxx_build=
+fi
+
 build_dir_init gdb
 configure_elf32 gdb gdb --disable-ld --disable-gas --disable-binutils \
-    --enable-targets=arc-linux-uclibc
+    --enable-targets=arc-linux-uclibc $cxx_build
 make_target building all
 make_target installing ${HOST_INSTALL}-gdb
 if [ "$DO_PDF" = "--pdf" ]

extras/buildroot/axs103.defconfig

@@ -3,7 +3,7 @@ BR2_archs38=y
 BR2_TOOLCHAIN_EXTERNAL=y
 BR2_TOOLCHAIN_EXTERNAL_PATH="$(ARC_TOOLCHAIN_PATH)"
 BR2_TOOLCHAIN_EXTERNAL_GCC_6=y
-BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_7=y
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_8=y
 BR2_TOOLCHAIN_EXTERNAL_LOCALE=y
 BR2_TOOLCHAIN_EXTERNAL_HAS_SSP=y
 BR2_TOOLCHAIN_EXTERNAL_INET_RPC=y