How to refer to the source directory in qmake?

Question

I added

version.target = version.h
version.commands = bash generate-version.sh

QMAKE_EXTRA_TARGETS += version

PRE_TARGETDEPS += version.h

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Answer 1

I use (Linux and g++)

DEFINES += SVN_VERSION=\\\"\""`svnversion $$PWD`\""\\\"
DEFINES += COMPILE_DATE=\\\"\""`date`\""\\\"
DEFINES += SW_VERSION=\\\"\"0.5\"\\\"

which defines the macro SVNVERSON to be the svn version. To access it from C++:

QString svnVersion = SVN_VERSION;
QString swVersion  = SW_VERSION;

Explanation: On the shell I want to see this call:

-DSVN_VERSION=\""`svnversion /path/to/my/source`"\"

As you see some escapes are necessary on shell level. In the .pro-file it then has to be escaped twice.