Add the usual option BUILD_ALL.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

CMakeLists.txt

@@ -64,17 +64,18 @@ option( WITH_SAX_LOADER    "Use SAX document loading (experimental)" ${WITH_ALL_
 
 ##### user requested modules ####################
 
-option( BUILD_DOC "Build documentation" ON )
-option( BUILD_TRANSLATIONS "Build translations" ON )
-option( BUILD_XMLCATALOG "" OFF )
-
-option( BUILD_AMAZON_SUPPORT "Build Amazon.com searching support" ON )
-option( BUILD_IMDB_SUPPORT "Build IMDb searching support" ON )
-option( BUILD_CDTEXT_SUPPORT "Build CD-Text support (Linux only)" ON )
-option( BUILD_OOO_SUPPORT "Build LibreOffice/OpenOffice.org support" OFF )
-option( BUILD_EXEMPI_SUPPORT "Build exempi support" ON )
-option( BUILD_POPPLER_SUPPORT "Build poppler support" ON )
-option( BUILD_WEBCAM_SUPPORT "Build support for scanning barcodes (experimental)" ON )
+option( BUILD_ALL             "Build all"                                          ON )
+
+option( BUILD_DOC             "Build documentation"                                ${BUILD_ALL} )
+option( BUILD_TRANSLATIONS    "Build translations"                                 ${BUILD_ALL} )
+
+option( BUILD_AMAZON_SUPPORT  "Build Amazon.com searching support"                 ${BUILD_ALL} )
+option( BUILD_IMDB_SUPPORT    "Build IMDb searching support"                       ${BUILD_ALL} )
+option( BUILD_CDTEXT_SUPPORT  "Build CD-Text support (Linux only)"                 ${BUILD_ALL} )
+option( BUILD_OOO_SUPPORT     "Build LibreOffice/OpenOffice.org support"           OFF )
+option( BUILD_EXEMPI_SUPPORT  "Build exempi support"                               ${BUILD_ALL} )
+option( BUILD_POPPLER_SUPPORT "Build poppler support"                              ${BUILD_ALL} )
+option( BUILD_WEBCAM_SUPPORT  "Build support for scanning barcodes (experimental)" ${BUILD_ALL} )
 
 
 ##### configure checks ##########################