pcre: add options to enable UTF and UCP support

Allow to compile PCRE with UTF-8/16/32 support and with
support for Unicode properties.

[Peter: whitespace fix]
Signed-off-by: Sven Neumann <neumann@teufel.de>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/pcre/Config.in

@@ -19,4 +19,16 @@ config BR2_PACKAGE_PCRE_32
 	help
 	  This option builds the 32-bits pcre library, i.e 'libpcre32'
 
+config BR2_PACKAGE_PCRE_UTF
+	bool "UTF-8/16/32 support in pcre"
+	help
+	  This option builds the pcre library with UTF-8/16/32 support
+
+config BR2_PACKAGE_PCRE_UCP
+	bool "Unicode properties support in pcre"
+	select BR2_PACKAGE_PCRE_UTF
+	help
+	  This option builds the pcre library with Unicode properties
+	  support (implies UTF-8/16/32 support)'
+
 endif

package/pcre/pcre.mk

@@ -19,5 +19,7 @@ endif
 PCRE_CONF_OPT += --enable-pcre8
 PCRE_CONF_OPT += $(if $(BR2_PACKAGE_PCRE_16),--enable-pcre16,--disable-pcre16)
 PCRE_CONF_OPT += $(if $(BR2_PACKAGE_PCRE_32),--enable-pcre32,--disable-pcre32)
+PCRE_CONF_OPT += $(if $(BR2_PACKAGE_PCRE_UTF),--enable-utf,--disable-utf)
+PCRE_CONF_OPT += $(if $(BR2_PACKAGE_PCRE_UCP),--enable-unicode-properties,--disable-unicode-properties)
 
 $(eval $(autotools-package))