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4a94500c21
The cam application requires libevent. Since there's no Kconfig option
for it, cam building ability is checked by meson build system by default.
If libevent is present in the sysroot, cam is built.
The issue is that there's no explicit dependency on libevent in
libcamera package. This means that it is possible for libevent AND
libcamera to be built, but have libcamera be built before libevent.
Meaning that even if all requirements seem to be fulfilled, cam still
won't be enabled in some cases.
This fixes the possible race by expliciting the dependency to libevent
if the libevent package is enabled. Otherwise, explicitly disable cam
building as it's already known that it isn't going to build.
Cc: Quentin Schulz <foss+buildroot@0leil.net>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 030baf89fc)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
135 lines
4.0 KiB
Makefile
135 lines
4.0 KiB
Makefile
################################################################################
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#
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# libcamera
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#
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################################################################################
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LIBCAMERA_SITE = https://git.linuxtv.org/libcamera.git
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LIBCAMERA_VERSION = 8a845ab078c3fe12ac4edd16c8cbac5b7ec03b98
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LIBCAMERA_SITE_METHOD = git
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LIBCAMERA_DEPENDENCIES = \
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host-openssl \
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host-pkgconf \
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host-python-jinja2 \
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host-python-ply \
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host-python-pyyaml \
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gnutls
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LIBCAMERA_CONF_OPTS = \
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-Dandroid=disabled \
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-Ddocumentation=disabled \
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-Dtest=false \
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-Dwerror=false
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LIBCAMERA_INSTALL_STAGING = YES
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LIBCAMERA_LICENSE = \
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LGPL-2.1+ (library), \
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GPL-2.0+ (utils), \
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MIT (qcam/assets/feathericons), \
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BSD-2-Clause (raspberrypi), \
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GPL-2.0 with Linux-syscall-note or BSD-3-Clause (linux kernel headers), \
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CC0-1.0 (meson build system), \
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CC-BY-SA-4.0 (doc)
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LIBCAMERA_LICENSE_FILES = \
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LICENSES/LGPL-2.1-or-later.txt \
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LICENSES/GPL-2.0-or-later.txt \
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LICENSES/MIT.txt \
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LICENSES/BSD-2-Clause.txt \
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LICENSES/GPL-2.0-only.txt \
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LICENSES/Linux-syscall-note.txt \
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LICENSES/BSD-3-Clause.txt \
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LICENSES/CC0-1.0.txt \
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LICENSES/CC-BY-SA-4.0.txt
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ifeq ($(BR2_TOOLCHAIN_GCC_AT_LEAST_7),y)
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LIBCAMERA_CXXFLAGS = -faligned-new
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endif
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ifeq ($(BR2_PACKAGE_LIBCAMERA_V4L2),y)
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LIBCAMERA_CONF_OPTS += -Dv4l2=true
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else
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LIBCAMERA_CONF_OPTS += -Dv4l2=false
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endif
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LIBCAMERA_PIPELINES-$(BR2_PACKAGE_LIBCAMERA_PIPELINE_IPU3) += ipu3
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ifeq ($(BR2_PACKAGE_LIBCAMERA_PIPELINE_RASPBERRYPI),y)
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LIBCAMERA_PIPELINES-y += raspberrypi
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LIBCAMERA_DEPENDENCIES += boost
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endif
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LIBCAMERA_PIPELINES-$(BR2_PACKAGE_LIBCAMERA_PIPELINE_RKISP1) += rkisp1
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LIBCAMERA_PIPELINES-$(BR2_PACKAGE_LIBCAMERA_PIPELINE_SIMPLE) += simple
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LIBCAMERA_PIPELINES-$(BR2_PACKAGE_LIBCAMERA_PIPELINE_UVCVIDEO) += uvcvideo
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LIBCAMERA_PIPELINES-$(BR2_PACKAGE_LIBCAMERA_PIPELINE_VIMC) += vimc
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LIBCAMERA_CONF_OPTS += -Dpipelines=$(subst $(space),$(comma),$(LIBCAMERA_PIPELINES-y))
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ifeq ($(BR2_PACKAGE_LIBCAMERA_COMPLIANCE),y)
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LIBCAMERA_DEPENDENCIES += gtest libevent
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LIBCAMERA_CONF_OPTS += -Dlc-compliance=enabled
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else
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LIBCAMERA_CONF_OPTS += -Dlc-compliance=disabled
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endif
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# gstreamer-video-1.0, gstreamer-allocators-1.0
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ifeq ($(BR2_PACKAGE_GSTREAMER1)$(BR2_PACKAGE_GST1_PLUGINS_BASE),yy)
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LIBCAMERA_CONF_OPTS += -Dgstreamer=enabled
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LIBCAMERA_DEPENDENCIES += gstreamer1 gst1-plugins-base
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endif
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ifeq ($(BR2_PACKAGE_QT5BASE_WIDGETS),y)
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LIBCAMERA_CONF_OPTS += -Dqcam=enabled
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LIBCAMERA_DEPENDENCIES += qt5base
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ifeq ($(BR2_PACKAGE_QT5TOOLS_LINGUIST_TOOLS),y)
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LIBCAMERA_DEPENDENCIES += qt5tools
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endif
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else
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LIBCAMERA_CONF_OPTS += -Dqcam=disabled
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endif
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ifeq ($(BR2_PACKAGE_LIBEVENT),y)
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LIBCAMERA_CONF_OPTS += -Dcam=enabled
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LIBCAMERA_DEPENDENCIES += libevent
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else
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LIBCAMERA_CONF_OPTS += -Dcam=disabled
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endif
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ifeq ($(BR2_PACKAGE_TIFF),y)
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LIBCAMERA_DEPENDENCIES += tiff
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endif
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ifeq ($(BR2_PACKAGE_HAS_UDEV),y)
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LIBCAMERA_DEPENDENCIES += udev
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endif
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ifeq ($(BR2_PACKAGE_LTTNG_LIBUST),y)
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LIBCAMERA_CONF_OPTS += -Dtracing=enabled
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LIBCAMERA_DEPENDENCIES += lttng-libust
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else
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LIBCAMERA_CONF_OPTS += -Dtracing=disabled
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endif
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ifeq ($(BR2_PACKAGE_LIBEXECINFO),y)
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LIBCAMERA_DEPENDENCIES += libexecinfo
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LIBCAMERA_LDFLAGS = $(TARGET_LDFLAGS) -lexecinfo
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endif
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# Open-Source IPA shlibs need to be signed in order to be runnable within the
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# same process, otherwise they are deemed Closed-Source and run in another
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# process and communicate over IPC.
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# Buildroot sanitizes RPATH in a post build process. meson gets rid of rpath
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# while installing so we don't need to do it manually here.
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# Buildroot may strip symbols, so we need to do the same before signing
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# otherwise the signature won't match the shlib on the rootfs. Since meson
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# install target is signing the shlibs, we need to strip them before.
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LIBCAMERA_STRIP_FIND_CMD = \
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find $(@D)/build/src/ipa \
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$(if $(call qstrip,$(BR2_STRIP_EXCLUDE_FILES)), \
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-not \( $(call findfileclauses,$(call qstrip,$(BR2_STRIP_EXCLUDE_FILES))) \) ) \
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-type f -name 'ipa_*.so' -print0
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define LIBCAMERA_BUILD_STRIP_IPA_SO
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$(LIBCAMERA_STRIP_FIND_CMD) | xargs --no-run-if-empty -0 $(STRIPCMD)
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endef
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LIBCAMERA_POST_BUILD_HOOKS += LIBCAMERA_BUILD_STRIP_IPA_SO
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$(eval $(meson-package))
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