#1533: mm.cc fails to build with GCC 4.7
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Reporter: volter | Owner: grass-dev@…
Type: defect | Status: new
Priority: major | Milestone: 6.4.2
Component: Compiling | Version: 6.4.1
Keywords: libiostream, r.terraflow, gcc4.7 | Platform: Unspecified
Cpu: Unspecified |
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Comment(by glynn):
The log doesn't include the actual compilation command. Assuming that this
is the issue originally reported in #1532, the command is:
{{{
c++ -I/builddir/build/BUILD/grass-6.4.1/dist.x86_64-redhat-linux-
gnu/include -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
-fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic
-D_FILE_OFFSET_BITS=64 -DPACKAGE=\""grasslibs"\"
-I/builddir/build/BUILD/grass-6.4.1/dist.x86_64-redhat-linux-gnu/include
-o OBJ.x86_64-redhat-linux-gnu/mm.o -c mm.cc
}}}
I suspect that it's the -fexceptions which is causing the error.
lib/iostream and r.terraflow neither throw nor catch exceptions, so there
isn't actually any reason to use -fexceptions (either way, any exception
will just terminate the program).
OTOH, the exception specifications are part of the signature of the new
and delete operators, so they should be present.
Try r50130 from trunk; if there are no issues, it should be back-ported.
--
Ticket URL: <http://trac.osgeo.org/grass/ticket/1533#comment:2>
GRASS GIS <http://grass.osgeo.org>
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