initial buildroot for linux 5.15

package/libiberty/libiberty.hash

@@ -0,0 +1,5 @@
+# From ftp://gcc.gnu.org/pub/binutils/releases/sha512.sum
+sha512  d326408f12a03d9a61a9de56584c2af12f81c2e50d2d7e835d51565df8314df01575724afa1e43bd0db45cfc9916b41519b67dfce03232aa4978704492a6994a  binutils-2.32.tar.xz
+
+# Locally computed, same as binutils.hash
+sha256  56bdea73b6145ef6ac5259b3da390b981d840c24cb03b8e1cbc678de7ecfa18d  COPYING.LIB

package/libiberty/libiberty.mk

@@ -0,0 +1,32 @@
+################################################################################
+#
+# libiberty
+#
+################################################################################
+
+LIBIBERTY_VERSION = 2.32
+LIBIBERTY_SOURCE = binutils-$(LIBIBERTY_VERSION).tar.xz
+LIBIBERTY_SITE = $(BR2_GNU_MIRROR)/binutils
+HOST_LIBIBERTY_DL_SUBDIR = binutils
+
+# We're only building libiberty here, not the full binutils suite
+LIBIBERTY_LICENSE = LGPL-2.1+
+LIBIBERTY_LICENSE_FILES = COPYING.LIB
+
+LIBIBERTY_SUBDIR = libiberty
+
+# We explicitly disable multilib, as we do in binutils.
+# By default, libiberty installs nothing, so we must force it.
+HOST_LIBIBERTY_CONF_OPTS = \
+	--disable-multilib \
+	--enable-install-libiberty
+
+# Some packages (e.g. host-gdb) will pick this library and build shared
+# objects with it. But libiberty does not honour the --enable-shared and
+# --disable-static flags; it only ever builds a static library no matter
+# what. So we must force -fPIC in build flags.
+HOST_LIBIBERTY_CONF_ENV = \
+	CFLAGS="$(HOST_CFLAGS) -fPIC" \
+	LDFLAGS="$(HOST_LDFLAGS) -fPIC"
+
+$(eval $(host-autotools-package))