> On Jun 21, 2016, at 2:07 PM, Dan McGregor <[email protected]> wrote: > > From: Daniel McGregor <[email protected]> > > GCC 6 sets the default C++ standard to C++14 and introduces dead store > elimination by default. icedtea7 is not ready for either of these > changes, so just set the C++ standard back to gnu++98 and disable dead > store elimination. > > Signed-off-by: Daniel McGregor <[email protected]> > Signed-off-by: Dan McGregor <[email protected]> > --- > recipes-core/icedtea/icedtea7-native.inc | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/recipes-core/icedtea/icedtea7-native.inc > b/recipes-core/icedtea/icedtea7-native.inc > index d624b7a..3344acb 100644 > --- a/recipes-core/icedtea/icedtea7-native.inc > +++ b/recipes-core/icedtea/icedtea7-native.inc > @@ -17,6 +17,13 @@ PACKAGECONFIG[x11] = ",--disable-headful,libx11-native > xproto-native libxt-nativ > OEMAKE_BUILD_HEADLESS_ONLY = "${@bb.utils.contains('PACKAGECONFIG', 'x11', > '', 'BUILD_HEADLESS_ONLY=1', d)}" > CFLAGS_append = "${@bb.utils.contains('PACKAGECONFIG', 'x11', '', ' > -DHEADLESS=true', d)}" > > +# Disable dead store elimination and set C++ standard to C++98. > +# There are dead stores in the JVM that would be pretty hard to > +# remove, so disable the optimisation in the compiler. > +CFLAGS_append = " -fno-tree-dse" > +CXXFLAGS_append = " -fno-tree-dse" > +CXX_append = " -std=gnu++98”
this is better.
> +
> inherit native java autotools pkgconfig
>
> JAVA_HOME[unexport] = "1"
> @@ -153,6 +160,8 @@ do_configure_append() {
> for F in openjdk/hotspot/make/linux/makefiles/gcc.make
> openjdk/hotspot/agent/src/os/linux/Makefile ;
> do
> sed -i \
> + -e"s|HOST_GCC = gcc$|HOST_GCC = ${CC}|" \
> + -e"s|HOST_CPP = g++$|HOST_CPP = ${CXX}|" \
> -e"s|gcc\$(GCC_SUFFIX)|${CC}|" \
> -e"s|g++\$(GCC_SUFFIX)|${CXX}|" \
> $F
> --
> 2.9.0
>
> --
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