2017-10-29 14:10:51 +01:00
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################################################################################
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#
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# meson
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#
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################################################################################
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2018-12-30 07:41:35 +01:00
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MESON_VERSION = 0.49.0
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2017-10-29 14:10:51 +01:00
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MESON_SITE = https://github.com/mesonbuild/meson/releases/download/$(MESON_VERSION)
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MESON_LICENSE = Apache-2.0
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MESON_LICENSE_FILES = COPYING
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MESON_SETUP_TYPE = setuptools
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HOST_MESON_DEPENDENCIES = host-ninja
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HOST_MESON_NEEDS_HOST_PYTHON = python3
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HOST_MESON_TARGET_ENDIAN = $(call LOWERCASE,$(BR2_ENDIAN))
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2018-09-12 12:22:53 +02:00
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HOST_MESON_TARGET_CPU = $(GCC_TARGET_CPU)
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2017-10-29 14:10:51 +01:00
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2018-12-26 09:52:27 +01:00
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# https://mesonbuild.com/Reference-tables.html#cpu-families
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ifeq ($(BR2_arcle)$(BR2_arceb),y)
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HOST_MESON_TARGET_CPU_FAMILY = arc
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else ifeq ($(BR2_arm)$(BR2_armeb),y)
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HOST_MESON_TARGET_CPU_FAMILY = arm
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else ifeq ($(BR2_aarch64)$(BR2_aarch64_be),y)
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HOST_MESON_TARGET_CPU_FAMILY = aarch64
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else ifeq ($(BR2_i386),y)
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HOST_MESON_TARGET_CPU_FAMILY = x86
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else ifeq ($(BR2_mips)$(BR2_mipsel),y)
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HOST_MESON_TARGET_CPU_FAMILY = mips
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else ifeq ($(BR2_mips64)$(BR2_mips64el),y)
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HOST_MESON_TARGET_CPU_FAMILY = mips64
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else ifeq ($(BR2_powerpc),y)
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HOST_MESON_TARGET_CPU_FAMILY = ppc
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else ifeq ($(BR2_powerpc64)$(BR2_powerpc64le),y)
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HOST_MESON_TARGET_CPU_FAMILY = ppc64
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else ifeq ($(BR2_riscv),y)
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HOST_MESON_TARGET_CPU_FAMILY = riscv64
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else ifeq ($(BR2_sparc),y)
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HOST_MESON_TARGET_CPU_FAMILY = sparc
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else ifeq ($(BR2_sparc64),y)
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HOST_MESON_TARGET_CPU_FAMILY = sparc64
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else ifeq ($(BR2_x86_64),y)
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HOST_MESON_TARGET_CPU_FAMILY = x86_64
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else
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HOST_MESON_TARGET_CPU_FAMILY = $(ARCH)
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endif
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2017-12-30 10:56:35 +01:00
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HOST_MESON_SED_CFLAGS = $(if $(TARGET_CFLAGS),`printf '"%s"$(comma) ' $(TARGET_CFLAGS)`)
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HOST_MESON_SED_LDFLAGS = $(if $(TARGET_LDFLAGS),`printf '"%s"$(comma) ' $(TARGET_LDFLAGS)`)
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HOST_MESON_SED_CXXFLAGS = $(if $(TARGET_CXXFLAGS),`printf '"%s"$(comma) ' $(TARGET_CXXFLAGS)`)
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package/pkg-meson: support per-package directories
Currently, package/meson/meson.mk generates a single global
cross-compilation.conf file, with the path to the compiler, cflags,
ldflags, and various other details. This file is then used when
building all meson-based packages.
This causes two problems:
- It is not compatible with per-package directories, because with
per-package folders, we need to use a different compiler, and
possibly CFLAGS/LDFLAGS for each package.
- It is not possible to define per package CFLAGS. Indeed, when
cross-compiling, meson doesn't support passing CFLAGS through the
environment, only the CFLAGS from cross-compilation.conf are taken
into account.
For this reason, this commit:
- Introduces a per-package cross-compilation.conf, which is generated
by the pkg-meson infrastructure in the "configure" step right
before calling meson. The file is generated in $(@D)/build/, and
because it is generated within a given package "configure" step,
the compiler path is the one of this package.
- Keeps the global cross-compilation.conf in $(HOST_DIR)/etc/meson/,
for the SDK use-case of Buildroot. Since we want the final and
global values of the compiler path, CFLAGS and LDFLAGS, generating
this global cross-compilation.conf is moved to a
TARGET_FINALIZE_HOOKS. If we were keeping this as a
HOST_MESON_POST_INSTALL_HOOKS, it would contain values specific to
the host-meson package.
For now, we don't yet support per-package CFLAGS/LDFLAGS, but having
such per-package cross-compilation.conf is a necessary preparation to
achieve this goal.
This commit has been tested by building all Buildroot packages that
use meson: json-glib, systemd, enlightenment, at-spi2-core, ncmpc,
libmpdclient and ncmpc.
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
[Thomas:
- add extended commit log
- in pkg-meson.mk, re-use variables defined in meson.mk to do the
replacement of CFLAGS/LDFLAGS/CXXFLAGS
- move the generation of the global cross-compilation.conf to a
TARGET_FINALIZE_HOOKS
- testing with per-package folders]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Tested-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2018-11-30 11:40:03 +01:00
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# Generate a Meson cross-compilation.conf suitable for use with the
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# SDK
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2017-10-29 14:10:51 +01:00
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define HOST_MESON_INSTALL_CROSS_CONF
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mkdir -p $(HOST_DIR)/etc/meson
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sed -e "s%@TARGET_CROSS@%$(TARGET_CROSS)%g" \
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2018-12-26 09:52:27 +01:00
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-e "s%@TARGET_ARCH@%$(HOST_MESON_TARGET_CPU_FAMILY)%g" \
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2017-10-29 14:10:51 +01:00
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-e "s%@TARGET_CPU@%$(HOST_MESON_TARGET_CPU)%g" \
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-e "s%@TARGET_ENDIAN@%$(HOST_MESON_TARGET_ENDIAN)%g" \
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2017-12-30 10:56:35 +01:00
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-e "s%@TARGET_CFLAGS@%$(HOST_MESON_SED_CFLAGS)%g" \
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-e "s%@TARGET_LDFLAGS@%$(HOST_MESON_SED_LDFLAGS)%g" \
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-e "s%@TARGET_CXXFLAGS@%$(HOST_MESON_SED_CXXFLAGS)%g" \
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2017-10-29 14:10:51 +01:00
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-e "s%@HOST_DIR@%$(HOST_DIR)%g" \
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$(HOST_MESON_PKGDIR)/cross-compilation.conf.in \
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> $(HOST_DIR)/etc/meson/cross-compilation.conf
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endef
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package/pkg-meson: support per-package directories
Currently, package/meson/meson.mk generates a single global
cross-compilation.conf file, with the path to the compiler, cflags,
ldflags, and various other details. This file is then used when
building all meson-based packages.
This causes two problems:
- It is not compatible with per-package directories, because with
per-package folders, we need to use a different compiler, and
possibly CFLAGS/LDFLAGS for each package.
- It is not possible to define per package CFLAGS. Indeed, when
cross-compiling, meson doesn't support passing CFLAGS through the
environment, only the CFLAGS from cross-compilation.conf are taken
into account.
For this reason, this commit:
- Introduces a per-package cross-compilation.conf, which is generated
by the pkg-meson infrastructure in the "configure" step right
before calling meson. The file is generated in $(@D)/build/, and
because it is generated within a given package "configure" step,
the compiler path is the one of this package.
- Keeps the global cross-compilation.conf in $(HOST_DIR)/etc/meson/,
for the SDK use-case of Buildroot. Since we want the final and
global values of the compiler path, CFLAGS and LDFLAGS, generating
this global cross-compilation.conf is moved to a
TARGET_FINALIZE_HOOKS. If we were keeping this as a
HOST_MESON_POST_INSTALL_HOOKS, it would contain values specific to
the host-meson package.
For now, we don't yet support per-package CFLAGS/LDFLAGS, but having
such per-package cross-compilation.conf is a necessary preparation to
achieve this goal.
This commit has been tested by building all Buildroot packages that
use meson: json-glib, systemd, enlightenment, at-spi2-core, ncmpc,
libmpdclient and ncmpc.
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
[Thomas:
- add extended commit log
- in pkg-meson.mk, re-use variables defined in meson.mk to do the
replacement of CFLAGS/LDFLAGS/CXXFLAGS
- move the generation of the global cross-compilation.conf to a
TARGET_FINALIZE_HOOKS
- testing with per-package folders]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Tested-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2018-11-30 11:40:03 +01:00
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TARGET_FINALIZE_HOOKS += HOST_MESON_INSTALL_CROSS_CONF
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2017-10-29 14:10:51 +01:00
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$(eval $(host-python-package))
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