Hi,
I am attempting to compile the latest cvs version of FlightGear.but I'm
getting an error when I try and compile the pre-requisite SimGear.
I'm using Cygwin, on an XP machine, and I believe I have installed all of
the pre-requisite programs (Zlib, Glut, OpenAl, OSG, Plib etc) - I think
correctly, though I have found several different sets of instructions for
the methods that should be used! So I suppose it is possible that the error
lies in installing one of those wrongly.
When I try and install SimGear, its all seems to go fine, until I get an
error relating to the isnan function - that it complains is un-declared. I
realise this means somewhere the header/define file that contains isnan
hasn't been recognised, but I've not used Cygwin before, so I've no idea
where this isnan function is stored, or why it would not be defined
properly?
I've played around with a few files, but not managed to fix it yet - Any
help would be much appreciated!
Thanks,
Loz
In case it helps, this is the output of the SimGear 'make' process:
make[3]: Entering directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear/misc'
g++ -DHAVE_CONFIG_H -I. -I../../simgear -I../.. -g -O2 -D_REENTRANT -MT
sg_path.o -MD -MP -MF .deps/sg_path.Tpo -c -o sg_path.o sg_path.cxx
In file included from /usr/local/include/osg/Vec2f:17,
from ../../simgear/math/SGVec2.hxx:21,
from ../../simgear/math/SGMath.hxx:36,
from ../../simgear/math/point3d.hxx:54,
from ../../simgear/math/sg_types.hxx:41,
from sg_path.hxx:36,
from sg_path.cxx:35:
/usr/local/include/osg/Math: In function `bool osg::isNaN(float)':
/usr/local/include/osg/Math:200: error: `isnan' undeclared (first use this
function)
/usr/local/include/osg/Math:200: error: (Each undeclared identifier is
reported only once for each function it appears in.)
/usr/local/include/osg/Math: In function `bool osg::isNaN(double)':
/usr/local/include/osg/Math:201: error: `isnan' undeclared (first use this
function)
make[3]: *** [sg_path.o] Error 1
make[3]: Leaving directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear/misc'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear'
make[1]: *** [all] Error 2
make[1]: Leaving directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear'
make: *** [all-recursive] Error 1
Making install in simgear
make[1]: Entering directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear'
Making install in xml
make[2]: Entering directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear/xml'
make[3]: Entering directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear/xml'
test -z "/usr/local/lib" || /usr/bin/mkdir -p "/usr/local/lib"
/usr/bin/install -c -m 644 'libsgxml.a' '/usr/local/lib/libsgxml.a'
ranlib '/usr/local/lib/libsgxml.a'
test -z "/usr/local/include/simgear/xml" || /usr/bin/mkdir -p
"/usr/local/include/simgear/xml"
/usr/bin/install -c -m 644 'easyxml.hxx'
'/usr/local/include/simgear/xml/easyxml.hxx'
make[3]: Leaving directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear/xml'
make[2]: Leaving directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear/xml'
Making install in debug
make[2]: Entering directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear/debug'
make[3]: Entering directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear/debug'
test -z "/usr/local/lib" || /usr/bin/mkdir -p "/usr/local/lib"
/usr/bin/install -c -m 644 'libsgdebug.a' '/usr/local/lib/libsgdebug.a'
ranlib '/usr/local/lib/libsgdebug.a'
test -z "/usr/local/include/simgear/debug" || /usr/bin/mkdir -p
"/usr/local/include/simgear/debug"
/usr/bin/install -c -m 644 'debug_types.h'
'/usr/local/include/simgear/debug/debug_types.h'
/usr/bin/install -c -m 644 'logstream.hxx'
'/usr/local/include/simgear/debug/logstream.hxx'
make[3]: Leaving directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear/debug'
make[2]: Leaving directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear/debug'
Making install in misc
make[2]: Entering directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear/misc'
g++ -DHAVE_CONFIG_H -I. -I../../simgear -I../.. -g -O2 -D_REENTRANT -MT
sg_path.o -MD -MP -MF .deps/sg_path.Tpo -c -o sg_path.o sg_path.cxx
In file included from /usr/local/include/osg/Vec2f:17,
from ../../simgear/math/SGVec2.hxx:21,
from ../../simgear/math/SGMath.hxx:36,
from ../../simgear/math/point3d.hxx:54,
from ../../simgear/math/sg_types.hxx:41,
from sg_path.hxx:36,
from sg_path.cxx:35:
/usr/local/include/osg/Math: In function `bool osg::isNaN(float)':
/usr/local/include/osg/Math:200: error: `isnan' undeclared (first use this
function)
/usr/local/include/osg/Math:200: error: (Each undeclared identifier is
reported only once for each function it appears in.)
/usr/local/include/osg/Math: In function `bool osg::isNaN(double)':
/usr/local/include/osg/Math:201: error: `isnan' undeclared (first use this
function)
make[2]: *** [sg_path.o] Error 1
make[2]: Leaving directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear/misc'
make[1]: *** [install-recursive] Error 1
make[1]: Leaving directory
`/cygdrive/c/cygwin/usr/local/source/SimGearcvs/source/simgear'
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