initial buildroot for linux 5.15

package/libgeotiff/Config.in

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+config BR2_PACKAGE_LIBGEOTIFF
+	bool "libgeotiff"
+	depends on BR2_INSTALL_LIBSTDCPP # proj
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 # proj
+	depends on BR2_TOOLCHAIN_HAS_THREADS # proj
+	depends on BR2_USE_WCHAR # proj
+	select BR2_PACKAGE_PROJ
+	select BR2_PACKAGE_TIFF
+	help
+	  Libgeotiff is an open source library normally hosted on top of
+	  libtiff for reading, and writing GeoTIFF information tags.
+
+	  https://github.com/OSGeo/libgeotiff
+
+comment "libgeotiff needs a toolchain w/ C++, gcc >= 4.7, threads, wchar"
+	depends on !BR2_INSTALL_LIBSTDCPP || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 || \
+		!BR2_TOOLCHAIN_HAS_THREADS || !BR2_USE_WCHAR

package/libgeotiff/libgeotiff.hash

@@ -0,0 +1,3 @@
+# Locally computed
+sha256  9311017e5284cffb86f2c7b7a9df1fb5ebcdc61c30468fb2e6bca36e4272ebca  libgeotiff-1.6.0.tar.gz
+sha256  6a22340b8293c50a34ce8e95589489bd3ec65bcb8b93e61cbda3daaafe498375  LICENSE

package/libgeotiff/libgeotiff.mk

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+################################################################################
+#
+# libgeotiff
+#
+################################################################################
+
+LIBGEOTIFF_VERSION = 1.6.0
+LIBGEOTIFF_SITE = http://download.osgeo.org/geotiff/libgeotiff
+LIBGEOTIFF_LICENSE = X11-style, public domain
+LIBGEOTIFF_LICENSE_FILES = LICENSE
+LIBGEOTIFF_DEPENDENCIES = proj tiff host-pkgconf
+LIBGEOTIFF_INSTALL_STAGING = YES
+
+ifeq ($(BR2_PACKAGE_ZLIB),y)
+LIBGEOTIFF_DEPENDENCIES += zlib
+LIBGEOTIFF_CONF_OPTS += --with-zlib
+else
+LIBGEOTIFF_CONF_OPTS += --without-zlib
+endif
+
+ifeq ($(BR2_PACKAGE_JPEG),y)
+LIBGEOTIFF_DEPENDENCIES += jpeg
+LIBGEOTIFF_CONF_OPTS += --with-jpeg
+else
+LIBGEOTIFF_CONF_OPTS += --without-jpeg
+endif
+
+$(eval $(autotools-package))