use system provided ccache links

Change-Id: I0860bbd0cf368fc3638b861504ebf642ee9d3807
Signed-off-by: Damjan Marion <damarion@cisco.com>

.gitignore

@@ -8,7 +8,6 @@
 /build-root/dpdk-includes/
 /build-root/packages-vpp/
 /build-root/path_setup
-/build-root/build-config.mk
 /build-root/deb/debian/vpp-plugins/
 /build-root/deb/.pybuild/
 /build-root/*.deb

Makefile

@@ -248,26 +248,6 @@ else ifneq ("$(wildcard /etc/redhat-release)","")
 	  exit 1 ; \
 	fi ; \
 	exit 0
-endif
-	@echo "SOURCE_PATH = $(WS_ROOT)"                   > $(BR)/build-config.mk
-	@echo "#!/bin/bash\n"                              > $(BR)/path_setup
-	@echo 'export PATH=$(BR)/tools/ccache-bin:$$PATH' >> $(BR)/path_setup
-	@echo 'export PATH=$(BR)/tools/bin:$$PATH'        >> $(BR)/path_setup
-	@echo 'export CCACHE_DIR=$(CCACHE_DIR)'           >> $(BR)/path_setup
-
-ifeq ("$(wildcard /usr/bin/ccache )","")
-	@echo "WARNING: Please install ccache AYEC and re-run this script"
-else
-	@rm -rf $(BR)/tools/ccache-bin
-	@mkdir -p $(BR)/tools/ccache-bin
-	@ln -s /usr/bin/ccache $(BR)/tools/ccache-bin/gcc
-	@ln -s /usr/bin/ccache $(BR)/tools/ccache-bin/g++
-	@ln -s /usr/bin/ccache $(BR)/tools/ccache-bin/clang
-	@ln -s /usr/bin/ccache $(BR)/tools/ccache-bin/clang++
-	@mkdir -p $(BR)/tools/bin
-	@rm -f $(BR)/tools/bin/vppapigen
-	@ln -s $(WS_ROOT)/src/tools/vppapigen/vppapigen \
-	       $(BR)/tools/bin/vppapigen
 endif
 	@touch $@
 

build-data/packages/sample-plugin.mk

@@ -16,3 +16,4 @@ sample-plugin_configure_subdir = examples/sample-plugin
 sample-plugin_configure_depend = vpp-install
 sample-plugin_CPPFLAGS = $(call installed_includes_fn, vpp)
 sample-plugin_LDFLAGS = $(call installed_libs_fn, vpp)
+sample-plugin_PATH = $(call package_install_dir_fn,vpp)/bin

build-root/Makefile

@@ -317,7 +317,8 @@ endif
 
 BUILD_ENV =										\
     export CCACHE_DIR=$(CCACHE_DIR) ;					\
-    export PATH=$(TOOL_INSTALL_DIR)/ccache-bin:$(TOOL_INSTALL_DIR)/bin:$${PATH} ;	\
+    export PATH=$(wildcard /usr/lib*/ccache):$(TOOL_INSTALL_DIR)/bin:$${PATH} ;		\
+    $(if $(call configure_var_fn,PATH), export PATH=$${PATH}:$(call configure_var_fn,PATH);,)	\
     export PATH="`echo $${PATH} | sed -e s/[.]://`" ;					\
     $(if $(not_native),export CONFIG_SITE=$(MU_BUILD_ROOT_DIR)/config.site ;,)	\
     set -eu$(BUILD_DEBUG) ;							        \

build-root/bootstrap.sh

@@ -23,10 +23,7 @@ if [[ ! $CCACHE_DIR ]];then
 fi
 ADD_TO_PATH="$build_root/tools/ccache-bin:$build_root/tools/bin"
 
-# Construct build-config.mk
 cd $build_root
-echo SOURCE_PATH = $wsroot > build-config.mk
-echo 
 echo Saving PATH settings in `pwd`/path_setup
 echo Source this file later, as needed
 cat >path_setup <<EOF
@@ -37,23 +34,13 @@ export CCACHE_DIR=$CCACHE_DIR
 EOF
 
 # regenerate tools/ccache-bin
-rm -rf tools/ccache-bin
+mkdir -p tools/bin
-mkdir -p tools/ccache-bin tools/bin
 
 if [ ! -f /usr/bin/ccache ] ; then
     echo CCACHE is required. Please install it!
     exit 1
 fi
 
-cd tools/ccache-bin
-for c in gcc g++ clang clang++
-do
-    ln -s /usr/bin/ccache $c
-done
-cd ../
-ln -s $wsroot/src/tools/vppapigen/vppapigen  \
-      $build_root/tools/bin/vppapigen
-
 cd $build_root
 
 exit 0

build-root/build-config.mk

@@ -0,0 +1 @@
+SOURCE_PATH = $(CURDIR)/..

src/suffix-rules.mk

@@ -14,13 +14,13 @@
 # Shared suffix rules
 # Please do not set "SUFFIXES = .api.h .api" here
 
-VPPAPIGEN = vppapigen
+VPPAPIGEN = $(top_srcdir)/tools/vppapigen/vppapigen
 %.api.h: %.api
-	@echo "  APIGEN  " $@ ;						\
+	@echo "  APIGEN  " $@ ;				                     \
-	mkdir -p `dirname $@` ;						\
+	mkdir -p `dirname $@` ;						     \
 	$(VPPAPIGEN) --includedir $(top_srcdir) --input $< --output $@
 
-%.api.json: %.api							     
+%.api.json: %.api
-	@echo "  JSON API" $@ ;						    \
+	@echo "  JSON API" $@ ;						     \
-	mkdir -p `dirname $@` ;						    \
+	mkdir -p `dirname $@` ;						     \
 	$(VPPAPIGEN) --includedir $(top_srcdir) --input $< JSON --output $@