Comment 0 for bug 920154

I've started getting build failure reports from my daily autobuild scripts for Lucid, Natty, Maveric and Oneiric. It looks as util/units.cpp is needs errno.h included.

  CXX util/units.o
util/units.cpp: In member function 'bool Inkscape::Util::UnitTable::loadText(const Glib::ustring&)':
util/units.cpp:148: error: 'errno' was not declared in this scope
util/units.cpp:216: error: 'errno' was not declared in this scope
util/units.cpp: In member function 'bool Inkscape::Util::UnitTable::save(const Glib::ustring&)':
util/units.cpp:244: error: 'errno' was not declared in this scope
util/units.cpp:263: error: 'errno' was not declared in this scope
make[4]: *** [util/units.o] Error 1
make[4]: Leaving directory `/build/buildd/inkscape-0.49~devel+10918+6~lucid1/src'
make[3]: *** [all] Error 2
make[3]: Leaving directory `/build/buildd/inkscape-0.49~devel+10918+6~lucid1/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/build/buildd/inkscape-0.49~devel+10918+6~lucid1'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/inkscape-0.49~devel+10918+6~lucid1'
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2

Build logs:

https://launchpad.net/~cafuego/+archive/inkscape/+build/3113028/+files/buildlog_ubuntu-lucid-i386.inkscape_0.49~devel%2B10918%2B6~lucid1_FAILEDTOBUILD.txt.gz
https://launchpad.net/~cafuego/+archive/inkscape/+build/3113029/+files/buildlog_ubuntu-maverick-amd64.inkscape_0.49~devel%2B10918%2B6~maverick1_FAILEDTOBUILD.txt.gz
https://launchpad.net/~cafuego/+archive/inkscape/+build/3113043/+files/buildlog_ubuntu-natty-i386.inkscape_0.49~devel%2B10918%2B6~natty1_FAILEDTOBUILD.txt.gz
https://launchpad.net/~cafuego/+archive/inkscape/+build/3113044/+files/buildlog_ubuntu-oneiric-amd64.inkscape_0.49~devel%2B10918%2B6~oneiric1_FAILEDTOBUILD.txt.gz