X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=build-root%2FMakefile;h=0fed520c728ff3a518f4ccf194383c5bae2dcd48;hb=83d8fdabca4287958a532e4784772a95f7478c83;hp=ed25a0cc06d00870beb01eecf6d50b50e3b04c48;hpb=7210e9470eeeb0ff1a259db1f448011da3774d8c;p=vpp.git

diff --git a/build-root/Makefile b/build-root/Makefile
index ed25a0cc06d..0fed520c728 100644
--- a/build-root/Makefile
+++ b/build-root/Makefile
@@ -172,7 +172,12 @@ native_libdir = $($(NATIVE_ARCH)_libdir)
 arch_lib_dir = lib$($(BASIC_ARCH)_libdir)
 
 # OS to configure for.  configure --host will be set to $(ARCH)-$(OS)
-OS = mu-linux
+# Allow per-platform overrides
+
+OS = $(strip $($(PLATFORM)_os))
+ifeq ($(OS),)
+  OS = mu-linux
+endif
 
 spu_target = spu
 native_target =
@@ -215,6 +220,11 @@ else
 endif
 export MARCH
 
+MTUNE = $(strip $($(PLATFORM)_mtune))
+ifeq ($(MTUNE),)
+  MTUNE = generic
+endif
+
 ######################################################################
 # Generic build stuff
 ######################################################################
@@ -232,28 +242,10 @@ TAG_PREFIX = $(if $(TAG),$(TAG)-)
 tag_var_with_added_space_fn = $(if $($(TAG)_TAG_$(1)),$($(TAG)_TAG_$(1)) )
 
 # TAG=debug for debugging
-debug_TAG_CFLAGS = -g -O0 -DCLIB_DEBUG -march=$(MARCH)
-debug_TAG_LDFLAGS = -g -O0 -DCLIB_DEBUG -march=$(MARCH)
-
-# TAG=prof for profiling
-prof_TAG_CFLAGS = -g -pg -O2
-prof_TAG_LDFLAGS = -g -pg -O2
-
-# TAG=o0
-o0_TAG_CFLAGS = -g -O0
-o1_TAG_LDFLAGS = -g -O0
-
-# TAG=o1
-o1_TAG_CFLAGS = -g -O1
-o1_TAG_LDFLAGS = -g -O1
-
-# TAG=o2
-o2_TAG_CFLAGS = -g -O2
-o2_TAG_LDFLAGS = -g -O2
-
-# TAG=o3
-o3_TAG_CFLAGS = -g -O3
-o3_TAG_LDFLAGS = -g -O3
+debug_TAG_CFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
+		   -fstack-protector-all -fPIC
+debug_TAG_LDFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
+		   -fstack-protector-all -fPIC
 
 BUILD_PREFIX_package = build-$(TAG_PREFIX)
 BUILD_PREFIX_tool = build-tool-$(TAG_PREFIX)
@@ -313,10 +305,15 @@ BUILD_DEBUG =
 # Message from build system itself (as opposed to make or shell commands)
 build_msg_fn = echo "@@@@ $(1) @@@@"
 
+# Allow CCACHE_DIR to be overridden, e.g. in .../build-root/build-config.mk
+ifeq ($(CCACHE_DIR),)
+  CCACHE_DIR=$(MU_BUILD_ROOT_DIR)/.ccache
+endif
+
 # Always prefer our own tools to those installed on system.
 # Note: ccache-bin must be before tool bin.
 BUILD_ENV =										\
-    export CCACHE_DIR=$(MU_BUILD_ROOT_DIR)/.ccache ;					\
+    export CCACHE_DIR=$(CCACHE_DIR) ;					\
     export PATH=$(TOOL_INSTALL_DIR)/ccache-bin:$(TOOL_INSTALL_DIR)/bin:$${PATH} ;	\
     export PATH="`echo $${PATH} | sed -e s/[.]://`" ;					\
     $(if $(not_native),export CONFIG_SITE=$(MU_BUILD_ROOT_DIR)/config.site ;,)	\
@@ -506,9 +503,13 @@ DYNAMIC_LINKER=${shell cd $(TOOL_INSTALL_LIB_DIR); echo ld*.so.*}
 lots_of_slashes_to_pad_names = "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////"
 
 # When PLATFORM != native we *always* use our own versions of GLIBC and dynamic linker
-CROSS_LDFLAGS =											\
-  -Wl,--dynamic-linker=$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)/$(DYNAMIC_LINKER)	\
-  -Wl,-rpath -Wl,$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)
+# Allow per-platform overrides
+CROSS_LDFLAGS = $(strip $($(PLATFORM)_cross_ldflags))
+ifeq ($(CROSS_LDFLAGS),)
+  CROSS_LDFLAGS =											\
+    -Wl,--dynamic-linker=$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)/$(DYNAMIC_LINKER)	\
+    -Wl,-rpath -Wl,$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)
+endif
 
 cross_ldflags = $(if $(is_native)$(is_build_tool),,$(CROSS_LDFLAGS) )
 
@@ -578,7 +579,7 @@ image_extra_dependencies = $($(PLATFORM)_image_extra_dependencies)
 ### dbarach
 
 configure_package_gnu =						\
-  s=$(call find_source_fn,$(PACKAGE_SOURCE)) ;			\
+  s=$(call find_source_fn,$(PACKAGE_SOURCE))$(PACKAGE_SUBDIR) ;	\
   if [ ! -f $$s/configure ] ; then				\
     autoreconf -i -f $$s ;					\
   fi ;								\
@@ -634,7 +635,8 @@ configure_check_timestamp =						\
   mkdir -p $(PACKAGE_INSTALL_DIR) ;					\
   conf="$(TIMESTAMP_DIR)/$(CONFIGURE_TIMESTAMP)" ;			\
   dirs="$(call package_mk_fn,$(PACKAGE))				\
-	$(wildcard $(call find_source_fn,$(PACKAGE_SOURCE))/configure)	\
+	$(wildcard $(call find_source_fn,				\
+	             $(PACKAGE_SOURCE))$(PACKAGE_SUBDIR)/configure)	\
        $(MU_BUILD_ROOT_DIR)/config.site" ;				\
   if [[ $(call find_newer_fn, $${conf}, $${dirs}, $?) ]]; then		\
     $(configure_package) ;						\
@@ -651,16 +653,13 @@ configure_check_timestamp =						\
 # Package build
 ######################################################################
 
-linux_n_cpus = `grep '^processor' /proc/cpuinfo | wc -l`
-
-MAKE_PARALLEL_JOBS =				\
-  -j $(shell					\
-    if [ -f /proc/cpuinfo ] ; then		\
-      expr 4 '*' $(linux_n_cpus) ;		\
-    else					\
-      echo 1 ;					\
-    fi)
-
+# /proc/cpuinfo does not exist on platforms without a /proc and on some
+# platforms, notably inside containers, it has no content. In those cases
+# we assume there's 1 processor; we use 2*ncpu for the -j option.
+# NB: GNU Make 4.2 will let us use '$(file </proc/cpuinfo)' to both test
+# for file presence and content; for now this will have to do.
+MAKE_PARALLEL_JOBS = -j $(if $(shell [ -f /proc/cpuinfo ] && head /proc/cpuinfo), \
+	$(shell expr 2 '*' $$(grep -c ^processor /proc/cpuinfo)), 2)
 MAKE_PARALLEL_FLAGS = $(if $($(PACKAGE)_make_parallel_fails),,$(MAKE_PARALLEL_JOBS))
 
 # Make command shorthand for packages & tools.
@@ -746,6 +745,7 @@ GIT = git
 # Multiple packages may use a single source tree.
 # For example, gcc-bootstrap package shares gcc source.
 PACKAGE_SOURCE = $(if $($(PACKAGE)_source),$($(PACKAGE)_source),$(PACKAGE))
+PACKAGE_SUBDIR = $(if $($(PACKAGE)_configure_subdir),/$($(PACKAGE)_configure_subdir),)
 
 # Use git to download source if directory is not found
 find_source_for_package =									\
@@ -1161,8 +1161,9 @@ distclean:
 	rm -rf $(MU_BUILD_ROOT_DIR)/$(IMAGES_PREFIX)*
 	rm -rf $(TOOL_INSTALL_DIR)
 	rm -rf $(MU_BUILD_ROOT_DIR)/*.deb
+	rm -rf $(MU_BUILD_ROOT_DIR)/*.rpm
 	rm -rf $(MU_BUILD_ROOT_DIR)/*.changes
-	(cd $(MU_BUILD_ROOT_DIR)/deb/;debian/rules clean)
+	rm -rf $(MU_BUILD_ROOT_DIR)/python
+	if [ -e /usr/bin/dh ];then (cd $(MU_BUILD_ROOT_DIR)/deb/;debian/rules clean); fi
 	rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/*.install
-	rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/*.dkms
 	rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/changelog