[Buildroot] [git commit branch/next] package/libbpf: new package
Arnout Vandecappelle (Essensium/Mind)
arnout at mind.be
Thu May 20 20:46:16 UTC 2021
commit: https://git.buildroot.net/buildroot/commit/?id=f7b8508e4fe9c96bf679cc5423cc1500b6523e83
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/next
A mirror of bpf-next linux tree bpf-next/tools/lib/bpf
directory plus its supporting header files. The version
of the package reflects the version of ABI.
Signed-off-by: Jugurtha BELKALEM <jugurtha.belkalem at smile.fr>
Signed-off-by: Romain Naour <romain.naour at gmail.com>
Cc: Qais Yousef <qais.yousef at arm.com>
Reviewed-by: Qais Yousef <qais.yousef at arm.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
[Arnout: add hash file]
---
DEVELOPERS | 1 +
package/Config.in | 1 +
package/libbpf/Config.in | 20 ++++++++++++++++++++
package/libbpf/libbpf.hash | 5 +++++
package/libbpf/libbpf.mk | 40 ++++++++++++++++++++++++++++++++++++++++
5 files changed, 67 insertions(+)
diff --git a/DEVELOPERS b/DEVELOPERS
index 93687081c4..988612a944 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -2314,6 +2314,7 @@ F: package/glibc/
F: package/irrlicht/
F: package/liblinear/
F: package/lensfun/
+F: package/libbpf/
F: package/libclc/
F: package/libgta/
F: package/libiec61850/
diff --git a/package/Config.in b/package/Config.in
index 761d687e03..8e017654d2 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -109,6 +109,7 @@ menu "Debugging, profiling and benchmark"
source "package/kvm-unit-tests/Config.in"
source "package/kyua/Config.in"
source "package/latencytop/Config.in"
+ source "package/libbpf/Config.in"
source "package/lmbench/Config.in"
source "package/lsof/Config.in"
source "package/ltp-testsuite/Config.in"
diff --git a/package/libbpf/Config.in b/package/libbpf/Config.in
new file mode 100644
index 0000000000..c5b24c5eb5
--- /dev/null
+++ b/package/libbpf/Config.in
@@ -0,0 +1,20 @@
+config BR2_PACKAGE_LIBBPF
+ bool "libbpf"
+ depends on BR2_USE_WCHAR # elfutils
+ depends on !BR2_STATIC_LIBS # elfutils
+ depends on BR2_TOOLCHAIN_HAS_THREADS # elfutils
+ depends on BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_GLIBC # elfutils
+ select BR2_PACKAGE_ELFUTILS
+ select BR2_PACKAGE_ZLIB
+ help
+ libbpf library.
+ A mirror of bpf-next linux tree bpf-next/tools/lib/bpf
+ directory plus its supporting header files. The version
+ of the package reflects the version of ABI.
+
+ https://github.com/libbpf/libbpf
+
+comment "libbpf needs a uClibc or glibc toolchain w/ wchar, dynamic library, threads"
+ depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS \
+ || !BR2_TOOLCHAIN_HAS_THREADS \
+ || !(BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_GLIBC)
diff --git a/package/libbpf/libbpf.hash b/package/libbpf/libbpf.hash
new file mode 100644
index 0000000000..1afda50c9c
--- /dev/null
+++ b/package/libbpf/libbpf.hash
@@ -0,0 +1,5 @@
+# Locally calculated
+sha256 0f97295987c745eb07c48f8db992f7df307b5cd45c9a20eb352ee6d08cf7bd36 libbpf-0.2.tar.gz
+sha256 847f4addbd56e2d5be20c4ea0845e972672fc07b755fadaae5f7abd35d71e349 LICENSE
+sha256 6313108c23efffa36948f8b2cff1560a5935373b527b0e1a837cc77e6ed1bacd LICENSE.BSD-2-Clause
+sha256 0b9a4febcdee6de55872501d5c1a8f5d8b0d1650cd4d5351995ceb22e889f8ca LICENSE.LPGL-2.1
diff --git a/package/libbpf/libbpf.mk b/package/libbpf/libbpf.mk
new file mode 100644
index 0000000000..a1aeb7d894
--- /dev/null
+++ b/package/libbpf/libbpf.mk
@@ -0,0 +1,40 @@
+################################################################################
+#
+# libbpf
+#
+################################################################################
+
+LIBBPF_VERSION = 0.2
+LIBBPF_SITE = $(call github,libbpf,libbpf,v$(LIBBPF_VERSION))
+LIBBPF_LICENSE = GPL-2.0, LGPL-2.1, BSD-2-Clause
+LIBBPF_LICENSE_FILES = LICENSE LICENSE.BSD-2-Clause LICENSE.LPGL-2.1
+LIBBPF_DEPENDENCIES = host-bison host-flex host-pkgconf elfutils zlib
+LIBBPF_INSTALL_STAGING = YES
+
+define LIBBPF_BUILD_CMDS
+ $(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) \
+ -C $(@D)/src
+endef
+
+# bpf/bpf.h installed by libbpf uses bpf_iter_link_info that was added since
+# kernel 5.9, so we need to update some uapi headers in STAGING_DIR if the
+# toolchain is build with linux-headers < 5.9.
+# Otherwise bpf/bpf.h is broken due to out of date linux/bpf.h installed by the
+# toolchain.
+# https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=a5cbe05a6673b85bed2a63ffcfea6a96c6410cff
+ifeq ($(BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_9),)
+LIBBPF_UPDATE_UAPI_HEADERS = install_uapi_headers
+endif
+
+define LIBBPF_INSTALL_STAGING_CMDS
+ $(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) \
+ -C $(@D)/src install $(LIBBPF_UPDATE_UAPI_HEADERS) \
+ DESTDIR=$(STAGING_DIR)
+endef
+
+define LIBBPF_INSTALL_TARGET_CMDS
+ $(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) \
+ -C $(@D)/src install DESTDIR=$(TARGET_DIR)
+endef
+
+$(eval $(generic-package))
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