2011-12-22 15:19:25 +00:00
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#
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# Utility for building L4 contrib packages
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#
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# Variables that steer the behaviour of this makefile:
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#
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# TARGET - name of target
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# PKGS - list of L4 packages to visit in order to create
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# the target
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#
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ifeq ($(filter-out $(SPECS),x86_32),)
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L4_BUILD_ARCH := x86
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endif
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ifeq ($(filter-out $(SPECS),arm),)
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L4_BUILD_ARCH := arm
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endif
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ifeq ($(L4_BUILD_ARCH),)
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Disambiguate kernel-specific file names
This patch removes possible ambiguities with respect to the naming of
kernel-dependent binaries and libraries. It also removes the use of
kernel-specific global side effects from the build system. The reach of
kernel-specific peculiarities has thereby become limited to the actual
users of the respective 'syscall-<kernel>' libraries.
Kernel-specific build artifacts are no longer generated at magic places
within the build directory (like okl4's includes, or the L4 build
directories of L4/Fiasco and Fiasco.OC, or the build directories of
various kernels). Instead, such artifacts have been largely moved to the
libcache. E.g., the former '<build-dir>/l4/' build directory for the L4
build system resides at '<build-dir>/var/libcache/syscall-foc/build/'.
This way, the location is unique to the kernel. Note that various tools
are still generated somewhat arbitrarily under '<build-dir>/tool/' as
there is no proper formalism for building host tools yet.
As the result of this work, it has become possible to use a joint Genode
build directory that is usable with all kernels of a given hardware
platform. E.g., on x86_32, one can now seamlessly switch between linux,
nova, sel4, okl4, fiasco, foc, and pistachio without rebuilding any
components except for core, the kernel, the dynamic linker, and the timer
driver. At the current stage, such a build directory must still be
created manually. A change of the 'create_builddir' tool will follow to
make this feature easily available.
This patch also simplifies various 'run/boot_dir' plugins by removing
the option for an externally hosted kernel. This option remained unused
for many years now.
Issue #2190
2016-12-10 00:30:38 +00:00
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$(error L4_BUILD_ARCH undefined, architecture not supported)
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endif
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ifndef L4_BUILD_DIR
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$(error L4_BUILD_DIR undefined)
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2011-12-22 15:19:25 +00:00
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endif
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Disambiguate kernel-specific file names
This patch removes possible ambiguities with respect to the naming of
kernel-dependent binaries and libraries. It also removes the use of
kernel-specific global side effects from the build system. The reach of
kernel-specific peculiarities has thereby become limited to the actual
users of the respective 'syscall-<kernel>' libraries.
Kernel-specific build artifacts are no longer generated at magic places
within the build directory (like okl4's includes, or the L4 build
directories of L4/Fiasco and Fiasco.OC, or the build directories of
various kernels). Instead, such artifacts have been largely moved to the
libcache. E.g., the former '<build-dir>/l4/' build directory for the L4
build system resides at '<build-dir>/var/libcache/syscall-foc/build/'.
This way, the location is unique to the kernel. Note that various tools
are still generated somewhat arbitrarily under '<build-dir>/tool/' as
there is no proper formalism for building host tools yet.
As the result of this work, it has become possible to use a joint Genode
build directory that is usable with all kernels of a given hardware
platform. E.g., on x86_32, one can now seamlessly switch between linux,
nova, sel4, okl4, fiasco, foc, and pistachio without rebuilding any
components except for core, the kernel, the dynamic linker, and the timer
driver. At the current stage, such a build directory must still be
created manually. A change of the 'create_builddir' tool will follow to
make this feature easily available.
This patch also simplifies various 'run/boot_dir' plugins by removing
the option for an externally hosted kernel. This option remained unused
for many years now.
Issue #2190
2016-12-10 00:30:38 +00:00
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L4_PKG_DIR = $(L4_SRC_DIR)/l4/pkg
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PKG_TAGS = $(addsuffix .tag,$(PKGS))
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BUILD_OUTPUT_FILTER = 2>&1 | sed "s~^~ [$*] ~"
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2011-12-22 15:19:25 +00:00
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ifeq ($(VERBOSE),)
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L4_VERBOSE = V=1
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endif
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Disambiguate kernel-specific file names
This patch removes possible ambiguities with respect to the naming of
kernel-dependent binaries and libraries. It also removes the use of
kernel-specific global side effects from the build system. The reach of
kernel-specific peculiarities has thereby become limited to the actual
users of the respective 'syscall-<kernel>' libraries.
Kernel-specific build artifacts are no longer generated at magic places
within the build directory (like okl4's includes, or the L4 build
directories of L4/Fiasco and Fiasco.OC, or the build directories of
various kernels). Instead, such artifacts have been largely moved to the
libcache. E.g., the former '<build-dir>/l4/' build directory for the L4
build system resides at '<build-dir>/var/libcache/syscall-foc/build/'.
This way, the location is unique to the kernel. Note that various tools
are still generated somewhat arbitrarily under '<build-dir>/tool/' as
there is no proper formalism for building host tools yet.
As the result of this work, it has become possible to use a joint Genode
build directory that is usable with all kernels of a given hardware
platform. E.g., on x86_32, one can now seamlessly switch between linux,
nova, sel4, okl4, fiasco, foc, and pistachio without rebuilding any
components except for core, the kernel, the dynamic linker, and the timer
driver. At the current stage, such a build directory must still be
created manually. A change of the 'create_builddir' tool will follow to
make this feature easily available.
This patch also simplifies various 'run/boot_dir' plugins by removing
the option for an externally hosted kernel. This option remained unused
for many years now.
Issue #2190
2016-12-10 00:30:38 +00:00
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#
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# Execute the rules in this file only at the second build stage when we know
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# about the complete build settings, e.g., 'CROSS_DEV_PREFIX'.
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#
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ifeq ($(called_from_lib_mk),yes)
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all: $(PKG_TAGS)
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endif
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2011-12-22 15:19:25 +00:00
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#
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# We preserve the order of processing 'l4/pkg/' directories because of
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# inter-package dependencies. However, within each directory, make is working
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# in parallel.
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#
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.NOTPARALLEL: $(PKG_TAGS)
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2019-06-07 11:56:08 +00:00
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WARN = -Wno-attributes -Wno-cast-function-type -Wno-format-truncation \
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-Wno-frame-address -Wno-ignored-qualifiers -Wno-implicit-fallthrough \
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-Wno-maybe-uninitialized -Wno-misleading-indentation \
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-Wno-nonnull-compare -Wno-nonnull-compare -Wno-restrict \
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-Wno-tautological-compare -Wno-unused-but-set-variable -Wno-unused-result
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CWARN = $(WARN) -Wno-int-conversion -Wno-pointer-sign -Wno-pointer-to-int-cast
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CXXWARN = $(WARN) -Wno-bool-compare -Wno-c++11-compat -Wno-class-memaccess
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2011-12-22 15:19:25 +00:00
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#
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# The '_GNU_SOURCE' definition is needed to convince uClibc to define the
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# 'off64_t' type, which is used by bootstrap.
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#
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%.tag:
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2017-04-21 13:38:41 +00:00
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$(VERBOSE_MK) set -o pipefail; \
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MAKEFLAGS= CPPFLAGS="$(CC_MARCH)" \
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2019-06-07 11:56:08 +00:00
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CFLAGS="$(CC_MARCH) -std=gnu89 $(CWARN)" \
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CXXFLAGS="$(CC_MARCH) -D_GNU_SOURCE -std=gnu++98 $(CXXWARN)" \
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2011-12-22 15:19:25 +00:00
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ASFLAGS="$(CC_MARCH)" LDFLAGS="$(LD_MARCH)" \
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$(MAKE) $(VERBOSE_DIR) O=$(L4_BUILD_DIR) $(L4_VERBOSE) \
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-C $(L4_PKG_DIR)/$* \
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CC="$(CROSS_DEV_PREFIX)gcc" \
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CXX="$(CROSS_DEV_PREFIX)g++" \
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Disambiguate kernel-specific file names
This patch removes possible ambiguities with respect to the naming of
kernel-dependent binaries and libraries. It also removes the use of
kernel-specific global side effects from the build system. The reach of
kernel-specific peculiarities has thereby become limited to the actual
users of the respective 'syscall-<kernel>' libraries.
Kernel-specific build artifacts are no longer generated at magic places
within the build directory (like okl4's includes, or the L4 build
directories of L4/Fiasco and Fiasco.OC, or the build directories of
various kernels). Instead, such artifacts have been largely moved to the
libcache. E.g., the former '<build-dir>/l4/' build directory for the L4
build system resides at '<build-dir>/var/libcache/syscall-foc/build/'.
This way, the location is unique to the kernel. Note that various tools
are still generated somewhat arbitrarily under '<build-dir>/tool/' as
there is no proper formalism for building host tools yet.
As the result of this work, it has become possible to use a joint Genode
build directory that is usable with all kernels of a given hardware
platform. E.g., on x86_32, one can now seamlessly switch between linux,
nova, sel4, okl4, fiasco, foc, and pistachio without rebuilding any
components except for core, the kernel, the dynamic linker, and the timer
driver. At the current stage, such a build directory must still be
created manually. A change of the 'create_builddir' tool will follow to
make this feature easily available.
This patch also simplifies various 'run/boot_dir' plugins by removing
the option for an externally hosted kernel. This option remained unused
for many years now.
Issue #2190
2016-12-10 00:30:38 +00:00
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LD="$(CROSS_DEV_PREFIX)ld" \
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$(BUILD_OUTPUT_FILTER)
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2011-12-22 15:19:25 +00:00
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$(VERBOSE)mkdir -p $(dir $@) && touch $@
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