initial buildroot for linux 5.15
This commit is contained in:
Huan.Feng
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From dc507a812d931c24f1ac98c811fdd29bffa21da9 Mon Sep 17 00:00:00 2001
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From: "Arnout Vandecappelle (Essensium/Mind)" <arnout@mind.be>
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Date: Tue, 24 Aug 2021 00:36:40 +0200
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Subject: [PATCH] libcap/Makefile: don't overwrite 'empty' when generating
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loader.txt
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objcopy takes an input file and an output file as arguments. If the
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output file is left out, the input file will be overwritten.
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Since the objcopy command used to generate loader.txt only does a
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dump-section and no filtering, in practice there is no change to empty.
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However, as a side-effect, its timestamp is updated. The timestamp of
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empty and of loader.txt will be more or less the same; however,
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loader.txt is closed just before the output file is closed, so it's
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possible that the timestamp of loader.txt is just a little bit earlier.
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If this happens, it causes loader.txt to be rebuilt later, which in turn
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causes a number of other object files to be rebuilt.
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Usually that's harmless, but it sometimes causes the rebuild to happen
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during 'make install'. This is particularly annoying if 'make install'
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is done as root, since loader.txt becomes owned by root in that case.
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Fix this by specifying a harmless output file: /dev/null.
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While we're at it, take in an upstream change that removes the redundant
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redirect.
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Fixes: ee3b25c0a877fa74d1aec88f325ac45b09963c82
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Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
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---
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libcap/Makefile | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/libcap/Makefile b/libcap/Makefile
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index 47cf8f4..18e4f4f 100644
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--- a/libcap/Makefile
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+++ b/libcap/Makefile
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@@ -105,7 +105,7 @@ empty: empty.c
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$(CC) -o $@ $<
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loader.txt: empty
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- $(OBJCOPY) --dump-section .interp=/dev/stdout $< > $@
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+ $(OBJCOPY) --dump-section .interp=$@ $< /dev/null
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cap_magic.o: execable.h execable.c loader.txt
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$(CC) $(CFLAGS) $(IPATH) -DLIBRARY_VERSION=\"$(LIBTITLE)-$(VERSION).$(MINOR)\" -DSHARED_LOADER=\"$(shell cat loader.txt)\" -c execable.c -o $@
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--
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2.31.1
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@@ -0,0 +1,24 @@
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config BR2_PACKAGE_LIBCAP
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bool "libcap"
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depends on BR2_USE_MMU # fork()
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help
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This library implements the user-space interfaces to the
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POSIX 1003.1e capabilities available in Linux kernels. These
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capabilities are a partitioning of the all powerful root
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privilege into a set of distinct privileges.
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https://sites.google.com/site/fullycapable/
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if BR2_PACKAGE_LIBCAP
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config BR2_PACKAGE_LIBCAP_TOOLS
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bool "install tools"
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help
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Install setcap, getcap, getpcaps and capsh tools.
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For these tools to run properly, you should enable, in your
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kernel configuration, extended file attributes/security labels
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support for the file system type used on target system (e.g.
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CONFIG_EXT2_FS_XATTR and CONFIG_EXT2_FS_SECURITY for ext2).
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endif
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@@ -0,0 +1,5 @@
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# https://www.kernel.org/pub/linux/libs/security/linux-privs/libcap2/sha256sums.asc
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sha256 a2faacd55ae5959db1b0c695f91f256ac4c5e6b10acaeaeaf508ea1ee887fa97 libcap-2.52.tar.xz
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# Hash for license file:
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sha256 f58c80bcce8c929db39a23c32e924876e3311f3ffa54f66076c38056d38fa59b License
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@@ -0,0 +1,72 @@
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################################################################################
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#
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# libcap
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#
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################################################################################
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LIBCAP_VERSION = 2.52
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LIBCAP_SITE = https://www.kernel.org/pub/linux/libs/security/linux-privs/libcap2
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LIBCAP_SOURCE = libcap-$(LIBCAP_VERSION).tar.xz
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LIBCAP_LICENSE = GPL-2.0 or BSD-3-Clause
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LIBCAP_LICENSE_FILES = License
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LIBCAP_CPE_ID_VENDOR = libcap_project
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LIBCAP_DEPENDENCIES = host-libcap host-gperf
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LIBCAP_INSTALL_STAGING = YES
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HOST_LIBCAP_DEPENDENCIES = host-gperf
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LIBCAP_MAKE_FLAGS = \
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CROSS_COMPILE="$(TARGET_CROSS)" \
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BUILD_CC="$(HOSTCC)" \
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BUILD_CFLAGS="$(HOST_CFLAGS)" \
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lib=lib \
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prefix=/usr \
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SHARED=$(if $(BR2_STATIC_LIBS),,yes) \
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PTHREADS=$(if $(BR2_TOOLCHAIN_HAS_THREADS),yes,)
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LIBCAP_MAKE_DIRS = libcap
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ifeq ($(BR2_PACKAGE_LIBCAP_TOOLS),y)
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LIBCAP_MAKE_DIRS += progs
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endif
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define LIBCAP_BUILD_CMDS
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$(foreach d,$(LIBCAP_MAKE_DIRS), \
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$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D)/$(d) \
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$(LIBCAP_MAKE_FLAGS) all
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)
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endef
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define LIBCAP_INSTALL_STAGING_CMDS
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$(foreach d,$(LIBCAP_MAKE_DIRS), \
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$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/$(d) $(LIBCAP_MAKE_FLAGS) \
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DESTDIR=$(STAGING_DIR) install
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)
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endef
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define LIBCAP_INSTALL_TARGET_CMDS
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$(foreach d,$(LIBCAP_MAKE_DIRS), \
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$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/$(d) $(LIBCAP_MAKE_FLAGS) \
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DESTDIR=$(TARGET_DIR) install
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)
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endef
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HOST_LIBCAP_MAKE_FLAGS = \
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DYNAMIC=yes \
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GOLANG=no \
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lib=lib \
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prefix=$(HOST_DIR) \
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RAISE_SETFCAP=no
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define HOST_LIBCAP_BUILD_CMDS
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$(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) -C $(@D) \
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$(HOST_LIBCAP_MAKE_FLAGS)
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endef
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define HOST_LIBCAP_INSTALL_CMDS
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$(HOST_MAKE_ENV) $(MAKE) -C $(@D) $(HOST_LIBCAP_MAKE_FLAGS) install
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endef
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$(eval $(generic-package))
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$(eval $(host-generic-package))
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