Merge from bittboy/buildroot@db180c0

package/opentracing-cpp/Config.in

@@ -0,0 +1,18 @@
+config BR2_PACKAGE_OPENTRACING_CPP
+	bool "opentracing-cpp"
+	depends on BR2_INSTALL_LIBSTDCPP
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_STATIC_LIBS
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 # C++11
+	depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_64735 # exception_ptr
+	help
+	  OpenTracing API for C++
+
+	  http://opentracing.io
+
+comment "opentracing-cpp needs a toolchain w/ C++, threads, dynamic library, gcc >= 4.8"
+	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS \
+		|| BR2_STATIC_LIBS || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_8
+
+comment "opentracing-cpp needs exception_ptr"
+	depends on BR2_TOOLCHAIN_HAS_GCC_BUG_64735

package/opentracing-cpp/opentracing-cpp.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256 015c4187f7a6426a2b5196f0ccd982aa87f010cf61f507ae3ce5c90523f92301 opentracing-cpp-1.5.1.tar.gz
+sha256 076d03156735d5ff2df2ea0f8b12351ef65e5e9222b5c8c6a35101dadb41e717 LICENSE

package/opentracing-cpp/opentracing-cpp.mk

@@ -0,0 +1,25 @@
+################################################################################
+#
+# opentracing-cpp
+#
+################################################################################
+
+OPENTRACING_CPP_VERSION = 1.5.1
+OPENTRACING_CPP_SITE = $(call github,opentracing,opentracing-cpp,v$(OPENTRACING_CPP_VERSION))
+OPENTRACING_CPP_LICENSE = Apache-2.0
+OPENTRACING_CPP_LICENSE_FILES = LICENSE
+
+OPENTRACING_CPP_INSTALL_STAGING = YES
+
+# BUILD_SHARED_LIBS is handled in pkg-cmake.mk as it is a generic cmake variable
+# although BUILD_STATIC_LIBS=ON is default, make it explicit,
+# cmake and static/shared libs is confusing enough already.
+ifeq ($(BR2_STATIC_LIBS),y)
+OPENTRACING_CPP_CONF_OPTS += -DBUILD_STATIC_LIBS=ON
+else ifeq ($(BR2_SHARED_STATIC_LIBS),y)
+OPENTRACING_CPP_CONF_OPTS += -DBUILD_STATIC_LIBS=ON
+else ifeq ($(BR2_SHARED_LIBS),y)
+OPENTRACING_CPP_CONF_OPTS += -DBUILD_STATIC_LIBS=OFF
+endif
+
+$(eval $(cmake-package))