initial buildroot for linux 5.15

package/perl/Config.in

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+config BR2_PACKAGE_PERL
+	bool "perl"
+	depends on BR2_USE_MMU # fork()
+	help
+	  Larry Wall's Practical Extraction and Report Language
+	  An interpreted scripting language, known among some as
+	  "Unix's Swiss Army Chainsaw".
+
+	  http://www.perl.org/
+
+if BR2_PACKAGE_PERL
+
+config BR2_PACKAGE_PERL_MODULES
+	string "custom module selection"
+	help
+	  List of space-separated perl modules (without .pm) to copy
+	  to the rootfs.
+
+	  Examples: constant Getopt/Std Time/Local
+
+	  Module dependencies on external libraries are not automatic so
+	  check your needs.
+
+	  Leave empty for all modules (as far as the external libraries
+	  are available).
+
+config BR2_PACKAGE_PERL_THREADS
+	bool "thread support"
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	help
+	  Enable use of threads in Perl scripts
+
+	  WARNING: The use of interpreter-based threads in Perl
+	  is officially discouraged.
+	  See https://perldoc.perl.org/threads.html#WARNING
+
+endif

package/perl/perl.hash

@@ -0,0 +1,12 @@
+# Hashes from: https://www.cpan.org/src/5.0/perl-5.32.1.tar.xz.{md5,sha1,sha256}.txt
+md5  7f104064b906ad8c7329ca5e409a32d7  perl-5.32.1.tar.xz
+sha1  1fb4f710d139da1e1a3e1fa4eaba201fcaa8e18e  perl-5.32.1.tar.xz
+sha256  57cc47c735c8300a8ce2fa0643507b44c4ae59012bfdad0121313db639e02309  perl-5.32.1.tar.xz
+
+# Hashes from: https://github.com/arsv/perl-cross/releases/download/1.3.5/perl-cross-1.3.5.hash
+sha256  91c66f6b2b99fccfd4fee14660b677380b0c98f9456359e91449798c2ad2ef25  perl-cross-1.3.5.tar.gz
+
+# Locally calculated
+sha256  dd90d4f42e4dcadf5a7c09eea0189d93c7b37ae560c91f0f6d5233ed3b9292a2  Artistic
+sha256  d77d235e41d54594865151f4751e835c5a82322b0e87ace266567c3391a4b912  Copying
+sha256  df6ad59aefea68676c38325f25f6707f026ddde6c71291b2ca231b6247859907  README

package/perl/perl.mk

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+################################################################################
+#
+# perl
+#
+################################################################################
+
+# When updating the version here, also update utils/scancpan
+PERL_VERSION_MAJOR = 32
+PERL_VERSION = 5.$(PERL_VERSION_MAJOR).1
+PERL_SITE = https://www.cpan.org/src/5.0
+PERL_SOURCE = perl-$(PERL_VERSION).tar.xz
+PERL_LICENSE = Artistic or GPL-1.0+
+PERL_LICENSE_FILES = Artistic Copying README
+PERL_CPE_ID_VENDOR = perl
+PERL_DEPENDENCIES = $(TARGET_NLS_DEPENDENCIES)
+PERL_INSTALL_STAGING = YES
+
+PERL_CROSS_VERSION = 1.3.5
+# DO NOT refactor with the github helper (the result is not the same)
+PERL_CROSS_SITE = https://github.com/arsv/perl-cross/releases/download/$(PERL_CROSS_VERSION)
+PERL_CROSS_SOURCE = perl-cross-$(PERL_CROSS_VERSION).tar.gz
+PERL_EXTRA_DOWNLOADS = $(PERL_CROSS_SITE)/$(PERL_CROSS_SOURCE)
+
+# We use the perlcross hack to cross-compile perl. It should
+# be extracted over the perl sources, so we don't define that
+# as a separate package. Instead, it is downloaded and extracted
+# together with perl
+define PERL_CROSS_EXTRACT
+	$(call suitable-extractor,$(PERL_CROSS_SOURCE)) $(PERL_DL_DIR)/$(PERL_CROSS_SOURCE) | \
+	$(TAR) --strip-components=1 -C $(@D) $(TAR_OPTIONS) -
+endef
+PERL_POST_EXTRACT_HOOKS += PERL_CROSS_EXTRACT
+
+# Even though perl is not an autotools-package, it uses config.sub and
+# config.guess. Up-to-date versions of these files may be needed to build perl
+# on newer host architectures, so we borrow the hook which updates them from the
+# autotools infrastructure.
+PERL_POST_PATCH_HOOKS += UPDATE_CONFIG_HOOK
+
+ifeq ($(BR2_PACKAGE_BERKELEYDB),y)
+PERL_DEPENDENCIES += berkeleydb
+endif
+ifeq ($(BR2_PACKAGE_GDBM),y)
+PERL_DEPENDENCIES += gdbm
+endif
+
+# We have to override LD, because an external multilib toolchain ld is not
+# wrapped to provide the required sysroot options.
+PERL_CONF_OPTS = \
+	--target=$(GNU_TARGET_NAME) \
+	--target-tools-prefix=$(TARGET_CROSS) \
+	--prefix=/usr \
+	-Dld="$(TARGET_CC)" \
+	-Dccflags="$(TARGET_CFLAGS)" \
+	-Dldflags="$(TARGET_LDFLAGS) -lm $(TARGET_NLS_LIBS)" \
+	-Dmydomain="" \
+	-Dmyhostname="noname" \
+	-Dmyuname="Buildroot $(BR2_VERSION_FULL)" \
+	-Dosname=linux \
+	-Dosvers=$(LINUX_VERSION) \
+	-Dperladmin=root
+
+ifeq ($(shell expr $(PERL_VERSION_MAJOR) % 2), 1)
+PERL_CONF_OPTS += -Dusedevel
+endif
+
+ifeq ($(BR2_PACKAGE_PERL_THREADS),y)
+PERL_CONF_OPTS += -Dusethreads
+endif
+
+ifeq ($(BR2_STATIC_LIBS),y)
+PERL_CONF_OPTS += --all-static --no-dynaloader
+endif
+
+PERL_MODULES = $(call qstrip,$(BR2_PACKAGE_PERL_MODULES))
+ifneq ($(PERL_MODULES),)
+PERL_CONF_OPTS += --only-mod=$(subst $(space),$(comma),$(PERL_MODULES))
+endif
+
+define PERL_CONFIGURE_CMDS
+	(cd $(@D); $(TARGET_MAKE_ENV) HOSTCC='$(HOSTCC_NOCCACHE)' \
+		./configure $(PERL_CONF_OPTS))
+	$(SED) 's/UNKNOWN-/Buildroot $(subst /,\/,$(BR2_VERSION_FULL)) /' $(@D)/patchlevel.h
+endef
+
+define PERL_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE1) -C $(@D) all
+endef
+
+define PERL_INSTALL_STAGING_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE1) -C $(@D) DESTDIR="$(STAGING_DIR)" install.perl install.sym
+endef
+
+define PERL_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE1) -C $(@D) DESTDIR="$(TARGET_DIR)" install.perl install.sym
+endef
+
+HOST_PERL_CONF_OPTS = \
+	-des \
+	-Dprefix="$(HOST_DIR)" \
+	-Dcc="$(HOSTCC)"
+
+define HOST_PERL_CONFIGURE_CMDS
+	(cd $(@D); $(HOST_MAKE_ENV) HOSTCC='$(HOSTCC_NOCCACHE)' \
+		./Configure $(HOST_PERL_CONF_OPTS))
+endef
+
+define HOST_PERL_BUILD_CMDS
+	$(HOST_MAKE_ENV) $(MAKE) -C $(@D)
+endef
+
+define HOST_PERL_INSTALL_CMDS
+	$(HOST_MAKE_ENV) $(MAKE) -C $(@D) INSTALL_DEPENDENCE='' install
+endef
+
+$(eval $(generic-package))
+$(eval $(host-generic-package))
+
+define PERL_FINALIZE_TARGET
+	rm -rf $(TARGET_DIR)/usr/lib/perl5/$(PERL_VERSION)/pod
+	rm -rf $(TARGET_DIR)/usr/lib/perl5/$(PERL_VERSION)/$(PERL_ARCHNAME)/CORE
+	find $(TARGET_DIR)/usr/lib/perl5/ -name 'extralibs.ld' -print0 | xargs -0 rm -f
+	find $(TARGET_DIR)/usr/lib/perl5/ -name '*.bs' -print0 | xargs -0 rm -f
+	find $(TARGET_DIR)/usr/lib/perl5/ -name '.packlist' -print0 | xargs -0 rm -f
+endef
+PERL_TARGET_FINALIZE_HOOKS += PERL_FINALIZE_TARGET