Radix cross Linux

Index: 23.0/Makefile
===================================================================
--- 23.0/Makefile	(revision 47)
+++ 23.0/Makefile	(revision 48)
@@ -82,7 +82,9 @@
 build_target       = $(TARGET_BUILD_DIR)/.build_done
 install_target     = $(TARGET_BUILD_DIR)/.install_done
 
+build_dev_dir      = $(TARGET_BUILD_DIR)/build-dev
 
+
 ####### Targets
 
 PKG_GROUP = libs
@@ -188,6 +190,14 @@
 configure_switches += -Dprotobuf_BUILD_TESTS=OFF
 
 
+configure_dev_switches  = -DCMAKE_BUILD_TYPE='Release'
+configure_dev_switches += -DCMAKE_INSTALL_PREFIX=/usr
+configure_dev_switches += -DCMAKE_INSTALL_LIBDIR=lib$(BUILD_MULTILIB_SUFFIX)
+configure_dev_switches += -DABSL_PROPAGATE_CXX_STD=ON
+configure_dev_switches += -DCMAKE_C_FLAGS='-Wno-psabi -Wno-attributes -Wno-stringop-overflow'
+configure_dev_switches += -DCMAKE_CXX_FLAGS='-Wno-psabi -Wno-attributes -Wno-stringop-overflow'
+
+
 ####### Dependencies
 
 $(src_done): $(SRC_ARCHIVE) $(PATCHES_DEP)
@@ -199,6 +209,15 @@
 	@touch $@
 
 $(build_target): $(src_done)
+	# ======= Build development protoc =======
+	@mkdir -p $(build_dev_dir)
+	@( cd $(build_dev_dir) ; \
+	   cmake $(configure_dev_switches) ../$(src_dir_name) ; \
+	 )
+	@( cd $(build_dev_dir) ; \
+	   $(MAKE) protoc ; \
+	 )
+	# ======= Build target protoc =======
 	@mkdir -p $(build_dir)
 	@( cd $(build_dir) ; \
 	   $(BUILD_ENVIRONMENT) cmake $(configure_switches) ../$(src_dir_name) ; \
@@ -211,6 +230,9 @@
 $(install_target): $(build_target)
 	@mkdir -p $(PROTOBUF_PKG)
 	@cd $(build_dir) && $(BUILD_ENVIRONMENT) $(MAKE) -j1 install $(env_sysroot)
+	# ======= Install development protoc =======
+	@mkdir -p $(PROTOBUF_PKG)/usr/bin
+	@cp -a $(build_dev_dir)/protoc-$(version).0 $(PROTOBUF_PKG)/usr/bin/$(TARGET)-protoc
 	# ======= Install Documentation =======
 	@if [ -d $(PROTOBUF_PKG)/usr/share/man ]; then \
 	  ( cd $(PROTOBUF_PKG)/usr/share/man ; \
@@ -242,6 +264,8 @@
 	 )
 	# ======= Install the same to $(TARGET_DEST_DIR) =======
 	$(call install-into-devenv, $(PROTOBUF_PKG))
+	# ======= Remove development protoc from target package =======
+	@rm -f $(PROTOBUF_PKG)/usr/bin/$(TARGET)-protoc
 	# ======= tune pkg-config *.pc search path to the target destination for development =======
 	@( cd $(TARGET_DEST_DIR)/usr/lib$(LIBSUFFIX)/pkgconfig ; \
 	   for file in `ls absl_*.pc` ; do \