######################################################################
# Scripts require non-POSIX parts of bash
-SHELL := /bin/bash
+SHELL := $(shell which bash)
# Where this makefile lives
MU_BUILD_ROOT_DIR = $(shell pwd)
tag_var_with_added_space_fn = $(if $($(TAG)_TAG_$(1)),$($(TAG)_TAG_$(1)) )
# TAG=debug for debugging
-debug_TAG_CFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
+debug_TAG_CFLAGS = -g -O0 -DCLIB_DEBUG -march=$(MARCH) \
-fstack-protector-all -fPIC
-debug_TAG_CXXFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
+debug_TAG_CXXFLAGS = -g -O0 -DCLIB_DEBUG -march=$(MARCH) \
-fstack-protector-all -fPIC
-debug_TAG_LDFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
+debug_TAG_LDFLAGS = -g -O0 -DCLIB_DEBUG -march=$(MARCH) \
-fstack-protector-all -fPIC
BUILD_PREFIX_package = build-$(TAG_PREFIX)
CROSS_TOOLS_$(IS_LINUX) += glibc gcc
# must be first for bootstrapping
-NATIVE_TOOLS = findutils make
+NATIVE_TOOLS = findutils $(MAKE)
# basic tools needed for build system
NATIVE_TOOLS += git automake autoconf libtool texinfo tar
find_newer_filtered_fn = \
(! -f $(1) \
|| -n $(call find_newer_files_fn,$(1),$(3)) \
- || -n "`find -H $(2) \
+ || -n "`find -L $(2) \
-type f \
-and -newer $(1) \
-and \( $(4) \) \
-a ! -x "`which 2> /dev/null $${target_gcc}`" ] ; then \
$(call build_msg_fn, \
No cross-compiler found for platform $(PLATFORM) target $(TARGET); \
- try make PLATFORM=$(PLATFORM) install-tools) ; \
+ try $(MAKE) PLATFORM=$(PLATFORM) install-tools) ; \
exit 1 ; \
fi
# /proc/cpuinfo does not exist on platforms without a /proc and on some
# platforms, notably inside containers, it has no content. In those cases
# we assume there's 1 processor; we use 2*ncpu for the -j option.
+#
+# On FreeBSD we can call nproc to get the number of processors.
+#
# NB: GNU Make 4.2 will let us use '$(file </proc/cpuinfo)' to both test
# for file presence and content; for now this will have to do.
ifndef MAKE_PARALLEL_JOBS
+ifeq ($(shell uname), FreeBSD)
+MAKE_PARALLEL_JOBS = $(shell nproc)
+else
MAKE_PARALLEL_JOBS = $(if $(shell [ -f /proc/cpuinfo ] && head /proc/cpuinfo), \
$(shell grep -c ^processor /proc/cpuinfo), 2)
+endif # FreeBSD
endif
MAKE_PARALLEL_FLAGS ?= $(if $($(PACKAGE)_make_parallel_fails),,-j $(MAKE_PARALLEL_JOBS))
exit 1; \
fi ; \
$(call build_msg_fn,Fix file dates in $${g}/$(PACKAGE_SOURCE)) ; \
- (cd $${s} ; $(MU_BUILD_ROOT_DIR)/autowank --touch) ; \
+ : the timestamp-adjustment script used to be invoked at this point ; \
fi ; \
s=`cd $${s} && pwd` ; \
$(call build_msg_fn,Source found in $${s})
$(call build_msg_fn,Git pull build tools) ; \
$(call tool_make_target_fn,pull-all) ; \
$(call build_msg_fn,Git pull packages for platform $(PLATFORM)) ; \
- make PLATFORM=$(PLATFORM) $(patsubst %,%-pull-all,$(ROOT_PACKAGES))
+ $(MAKE) PLATFORM=$(PLATFORM) $(patsubst %,%-pull-all,$(ROOT_PACKAGES))
.PHONY: %-diff
%-diff:
chmod 0755 $${tmp_dir} ; \
cd $${tmp_dir} ; \
trap "rm -rf $${tmp_dir}" err ; \
- fakeroot /bin/bash -c "{ \
+ fakeroot $(SHELL) -c "{ \
set -eu$(BUILD_DEBUG) ; \
$(MAKE) -C $(MU_BUILD_ROOT_DIR) IMAGE_INSTALL_DIR=$${tmp_dir} \
$(patsubst %,%-image_install, \
basic_system \
$(ROOT_PACKAGES)) ; \
- : make dev directory ; \
+ : $(MAKE) dev directory ; \
$(linuxrc_makedev) ; \
echo @@@@ Relocating ELF executables to run in / @@@@ ; \
scripts/set-rpath /$(arch_lib_dir):/lib ; \
| xargs sign $($(PLATFORM)_public_key) \
$($(PLATFORM)_private_key_passphrase) ; \
fi ; \
- : make read-only file system ; \
+ : $(MAKE) read-only file system ; \
mksquashfs \
$${tmp_dir} $${ro_image} \
-no-exports -no-progress -no-recovery ; \
chmod 0755 $${tmp_dir} ; \
cd $${tmp_dir} ; \
trap "rm -rf $${tmp_dir}" err ; \
- fakeroot /bin/bash -c "{ \
+ fakeroot $(SHELL) -c "{ \
set -eu$(BUILD_DEBUG) ; \
$(linuxrc_makedev) ; \
$(call rw_image_embed_ro_image_fn,$${ro_image}) ; \