diff options
Diffstat (limited to '.qmake.conf')
| -rw-r--r-- | .qmake.conf | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/.qmake.conf b/.qmake.conf index 4baafa83df..6b70079d45 100644 --- a/.qmake.conf +++ b/.qmake.conf @@ -2,3 +2,21 @@ load(qt_build_config) CONFIG += qt_example_installs MODULE_VERSION = 5.2.0 + +# For the JS engine we need to be able to produce back traces, +# and as we're using the C stack, we need the system to be able +# to walk it properly. Unfortunately on Windows with i386 there +# are no unwind tables, that can compensate for an omitted frame +# pointer, so we have no choice but to disable the frame pointer +# omission optimizations. +# Only within the qtdeclarative module we support throwing V4 +# exceptions, hence the choice of applying this change here. +win32:equals(QT_ARCH, "i386") { + *msvc*: QMAKE_CXXFLAGS += -Oy- + *g++*: QMAKE_CXXFLAGS += -fno-omit-frame-pointer +} + +# Any code within this module has access to the private V4 API and +# can therefore be subject to exception traversal. Support for exceptions +# is therefore required, especially with older toolchains. +CONFIG += exceptions |