Bump buildroot to 2019.02

bsp/buildroot/package/libclc/Config.in

@@ -0,0 +1,10 @@
+config BR2_PACKAGE_LIBCLC
+	bool "libclc"
+	depends on BR2_PACKAGE_LLVM_ARCH_SUPPORTS
+	depends on BR2_HOST_GCC_AT_LEAST_4_8
+	help
+	  libclc is an open source, BSD licensed implementation of
+	  the library requirements of the OpenCL C programming language,
+	  as specified by the OpenCL 1.1 Specification.
+
+	  http://libclc.llvm.org/

bsp/buildroot/package/libclc/libclc.hash

@@ -0,0 +1,3 @@
+# locally calculated
+sha256 8d7b42fba6db4a124c74f0ac475c1bc515761cbf3d559820b4cbe5b33e94f26c libclc-dabae5a2afb78cba0320a86e3f5f0b5dc83e077c.tar.gz
+sha256 45187a46f0637e4e92decb51d8dc3c9e4957b349d0283dfbd6647e8000d9ac7f LICENSE.TXT

bsp/buildroot/package/libclc/libclc.mk

@@ -0,0 +1,47 @@
+################################################################################
+#
+# libclc
+#
+################################################################################
+
+# There are only two releases: release_35 and release_38, but the last
+# commit is from 2 years ago. Master has some recent activity.
+LIBCLC_VERSION = dabae5a2afb78cba0320a86e3f5f0b5dc83e077c
+LIBCLC_SITE = https://git.llvm.org/git/libclc
+LIBCLC_SITE_METHOD = git
+LIBCLC_LICENSE = NCSA or MIT
+LIBCLC_LICENSE_FILES = LICENSE.TXT
+
+LIBCLC_DEPENDENCIES = host-clang host-llvm
+LIBCLC_INSTALL_STAGING = YES
+
+# C++ compiler is used to build a small tool (prepare-builtins) for the host.
+# It must be built with the C++ compiler from the host.
+#
+# The headers are installed in /usr/share and not /usr/include,
+# because they are needed at runtime on the target to build the OpenCL
+# kernels.
+LIBCLC_CONF_OPTS = \
+	--with-llvm-config=$(HOST_DIR)/usr/bin/llvm-config \
+	--prefix=/usr \
+	--includedir=/usr/share \
+	--pkgconfigdir=/usr/lib/pkgconfig \
+	--with-cxx-compiler=$(HOSTCXX)
+
+define LIBCLC_CONFIGURE_CMDS
+	(cd $(@D); $(TARGET_CONFIGURE_OPTS) ./configure.py $(LIBCLC_CONF_OPTS))
+endef
+
+define LIBCLC_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)
+endef
+
+define LIBCLC_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) DESTDIR=$(TARGET_DIR) install
+endef
+
+define LIBCLC_INSTALL_STAGING_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) DESTDIR=$(STAGING_DIR) install
+endef
+
+$(eval $(generic-package))