Encoding detector library ported from Mozilla

mkdir /data/buildroot/package/uchardet
cat > /data/buildroot/package/uchardet/Config.in<< 'EOF'
config BR2_PACKAGE_UCHARDET
        bool "uchardet"
        help
          Encoding detector library ported from Mozilla
EOF

cat > /data/buildroot/package/uchardet/uchardet.mk<< 'EOF'
#############################################################
#
# uchardet
#https://www.freedesktop.org/software/uchardet/releases/uchardet-0.0.7.tar.xz
#############################################################
UCHARDET_VERSION = 0.0.7
UCHARDET_SOURCE  = uchardet-$(UCHARDET_VERSION).tar.xz
UCHARDET_SITE    = https://www.freedesktop.org/software/uchardet/releases

UCHARDET_BIN_ARCH_EXCLUDE = /usr/lib
UCHARDET_INSTALL_TARGET = YES
UCHARDET_SUPPORTS_IN_SOURCE_BUILD = NO 
    
UCHARDET_CONF_OPTS = -DCMAKE_TOOLCHAIN_FILE=$(HOST_DIR)/share/buildroot/toolchainfile.cmake \
    -DCMAKE_INSTALL_PREFIX=/usr
    
define UCHARDET_CONFIGURE_CMDS
  if [[ ! -L "$(HOST_DIR)/usr/lib/libpcre.so.3" ]]; then ln -s $(HOST_DIR)/usr/lib/libpcre.so $(HOST_DIR)/usr/lib/libpcre.so.3; fi
  if [[ ! -d $(@D)/buildroot-build ]]; then mkdir $(@D)/buildroot-build; fi
  cd $(@D)/buildroot-build && \
  LDFLAGS="$(LDFLAGS) -pthread -Wl,--as-needed -Wl,--allow-shlib-undefined" cmake "$(@D)/" $(UCHARDET_CONF_OPTS)
endef

$(eval $(cmake-package))
EOF

sed -i '/menu "Custom packages"/a source "package/uchardet/Config.in"' /data/buildroot/package/Config.in