Don't hard-code version in documentation

Change-Id: Ib96057aa5103a80cbaacc27fe2330d481da70399
Reviewed-by: Karsten Heimrich <karsten.heimrich@digia.com>

doc/config/installerfw-project.qdocconf

@@ -17,7 +17,7 @@ sources.fileextensions         = "*.qdoc"
 
 qhp.projects            = InstallerFramework
 qhp.InstallerFramework.file             = ifw.qhp
-qhp.InstallerFramework.namespace        = org.qt-project.ifw.121
+qhp.InstallerFramework.namespace        = org.qt-project.ifw.$IFW_VERSION_TAG
 qhp.InstallerFramework.virtualFolder    = doc
 qhp.InstallerFramework.indexTitle       = Qt Installer Framework Manual
 qhp.InstallerFramework.filterAttributes = ifw

doc/config/macros.qdocconf

@@ -39,3 +39,5 @@ macro.beginfloatright.HTML  = "<div style=\"float: right; margin-left: 2em\">"
 macro.endfloat.HTML         = "</div>"
 macro.clearfloat.HTML       = "<br style=\"clear: both\" />"
 macro.emptyspan.HTML	    = "<span></span>"
+
+macro.ifwversion = $IFW_VERSION

doc/doc.pri

@@ -7,11 +7,13 @@ greaterThan(QT_MAJOR_VERSION, 4) {
 }
 win32:QDOC_BIN = $$replace(QDOC_BIN, "/", "\\")
 
+IFW_VERSION_TAG = $$replace(IFW_VERSION, "[-.]", )
+
 unix {
-    QDOC = SRCDIR=$$PWD OUTDIR=$$OUT_PWD/doc/html $$QDOC_BIN
+    QDOC = SRCDIR=$$PWD OUTDIR=$$OUT_PWD/doc/html IFW_VERSION=$$IFW_VERSION IFW_VERSION_TAG=$$IFW_VERSION_TAG $$QDOC_BIN
     HELPGENERATOR = $$[QT_INSTALL_BINS]/qhelpgenerator
 } else {
-    QDOC = set SRCDIR=$$PWD&& set OUTDIR=$$OUT_PWD/doc/html&& $$QDOC_BIN
+    QDOC = set SRCDIR=$$PWD&& set OUTDIR=$$OUT_PWD/doc/html&& set IFW_VERSION=$$IFW_VERSION&& setIFW_VERSION_TAG=$$IFW_VERSION_TAG&& $$QDOC_BIN
     # Always run qhelpgenerator inside its own cmd; this is a workaround for
     # an unusual bug which causes qhelpgenerator.exe to do nothing
     HELPGENERATOR = cmd /C $$replace($$list($$[QT_INSTALL_BINS]/qhelpgenerator.exe), "/", "\\")

doc/installerfw.qdoc

@@ -38,7 +38,7 @@
 
     \title Qt Installer Framework Manual
 
-    \section1 Version 1.2.1
+    \section1 Version \ifwversion
 
     The Qt Installer Framework provides a set of tools and utilities to
     create installers for the supported desktop Qt platforms: Linux, Microsoft

installerfw.pri

@@ -2,6 +2,9 @@
     error("installerfw.pri already included")
 }
 IFW_PRI_INCLUDED = 1
+
+IFW_VERSION = 1.2.81
+
 IFW_NEWLINE = $$escape_expand(\\n\\t)
 
 defineReplace(toNativeSeparators) {

installerfw.pro

@@ -2,4 +2,5 @@ CONFIG += ordered
 TEMPLATE = subdirs
 SUBDIRS += src examples tests tools
 
+include (installerfw.pri)
 include (doc/doc.pri)