initial buildroot for linux 5.15

package/pcre2/Config.in

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+config BR2_PACKAGE_PCRE2
+	bool "pcre2"
+	help
+	  Perl Compatible Regular Expressions. By default, only the
+	  8-bits libpcre2 is built. To get the 16-bits and/or 32-bits
+	  variants libpcre2-16/libpcre2-32, use the package
+	  sub-options.
+
+	  http://www.pcre.org/
+
+if BR2_PACKAGE_PCRE2
+
+config BR2_PACKAGE_PCRE2_16
+	bool "16-bit pcre2"
+	help
+	  This option builds the 16-bits pcre2 library, i.e
+	  'libpcre2-16'
+
+config BR2_PACKAGE_PCRE2_32
+	bool "32-bit pcre2"
+	help
+	  This option builds the 32-bits pcre2 library, i.e
+	  'libpcre2-32'
+
+config BR2_PACKAGE_PCRE2_JIT_ARCH_SUPPORTS
+	bool
+	default y if BR2_aarch64
+	default y if BR2_arm || BR2_armeb
+	default y if BR2_i386 || BR2_x86_64
+	default y if BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el
+	default y if BR2_powerpc
+	default y if BR2_sparc
+
+config BR2_PACKAGE_PCRE2_JIT
+	bool "enable JIT support"
+	depends on BR2_PACKAGE_PCRE2_JIT_ARCH_SUPPORTS
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	help
+	  This option enables JIT support
+
+comment "JIT support needs a toolchain w/ threads"
+	depends on BR2_PACKAGE_PCRE2_JIT_ARCH_SUPPORTS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS
+
+endif

package/pcre2/pcre2.hash

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+# Locally calculated after checking pgp signature
+# https://ftp.pcre.org/pub/pcre/pcre2-10.37.tar.bz2.sig
+sha256  4d95a96e8b80529893b4562be12648d798b957b1ba1aae39606bbc2ab956d270  pcre2-10.37.tar.bz2
+# Locally computed
+sha256  9c9488256e3612ec5ea40fd12abe7ec55a58f23bd36e6f465116c2b3cbffba02  LICENCE

package/pcre2/pcre2.mk

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+################################################################################
+#
+# pcre2
+#
+################################################################################
+
+PCRE2_VERSION = 10.37
+PCRE2_SITE = https://ftp.pcre.org/pub/pcre
+PCRE2_SOURCE = pcre2-$(PCRE2_VERSION).tar.bz2
+PCRE2_LICENSE = BSD-3-Clause
+PCRE2_LICENSE_FILES = LICENCE
+PCRE2_CPE_ID_VENDOR = pcre
+PCRE2_INSTALL_STAGING = YES
+PCRE2_CONFIG_SCRIPTS = pcre2-config
+
+PCRE2_CONF_OPTS += --enable-pcre2-8
+PCRE2_CONF_OPTS += $(if $(BR2_PACKAGE_PCRE2_16),--enable-pcre2-16,--disable-pcre2-16)
+PCRE2_CONF_OPTS += $(if $(BR2_PACKAGE_PCRE2_32),--enable-pcre2-32,--disable-pcre2-32)
+
+ifeq ($(BR2_PACKAGE_PCRE2_JIT),y)
+PCRE2_CONF_OPTS += --enable-jit
+else
+PCRE2_CONF_OPTS += --disable-jit
+endif
+
+# disable fork usage if not available
+ifeq ($(BR2_USE_MMU),)
+PCRE2_CONF_OPTS += --disable-pcre2grep-callout
+endif
+
+$(eval $(autotools-package))
+$(eval $(host-autotools-package))