package/tiff: add C++ support

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/tiff/tiff.mk

@@ -14,7 +14,6 @@ TIFF_INSTALL_STAGING = YES
 
 TIFF_CONF_OPTS = \
 	--disable-contrib \
-	--disable-cxx \
 	--disable-tests \
 	--without-x
 
@@ -29,6 +28,12 @@ HOST_TIFF_CONF_OPTS = \
 	--disable-tests
 HOST_TIFF_DEPENDENCIES = host-pkgconf
 
+ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
+TIFF_CONF_OPTS += --enable-cxx
+else
+TIFF_CONF_OPTS += --disable-cxx
+endif
+
 ifneq ($(BR2_PACKAGE_TIFF_CCITT),y)
 TIFF_CONF_OPTS += --disable-ccitt
 endif