Get the CXX compiler using $$QMAKE_CXX instead of ${QMAKE_VAR_QMAKE_CXX}
which causes shell syntax errors when combined with the silent flag.
Task-number: QTBUG-36159
Change-Id: I26cdbe788a20bd2df1aa3563694648e41c082a2c
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
As we add more classes with RValue ref qualified methods we will need
the same _compat trick and no-pch support as QString.
This patch moves the extra compiler to precompile_header.prf which is
automatically included when pch is used.
Change-Id: I422a355fd11f499ce0648a90b0385f2a6f699fcb
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>