Thanks for the reply. I guess not directly related to Django, though this virtualenv is very much for the purpose of a Django project and I hoped other Django users had come across this particular problem.
Thankyou for the response though - do I need to install libpng in the virtualenv (sorry - just starting to use virtualenv) ? Sam On Friday, 23 March 2012 09:22:57 UTC-6, Tom Evans wrote: > > On Fri, Mar 23, 2012 at 3:06 PM, darwin_tech wrote: > > I am trying to install matplotlib in a new virtualenv. > > > > When I do: > > > > pip install matplotlib > > > > or > > > > pip install > > > http://sourceforge.net/projects/matplotlib/files/matplotlib/matplotlib-1.1.0/matplotlib-1.1.0.tar.gz<http://sourceforge.net/projects/matplotlib/files/matplotlib/matplotlib-1.1.0/matplotlib-1.1.0.tar.gz> > > > > I get this error: > > > > building 'matplotlib._png' extension > > > > gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -fPIC - > > DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 > > -I/usr/local/include -I/usr/include -I. > > > -I/home/sam/django-projects/datazone/local/lib/python2.7/site-packages/numpy/core/include > > -I. -I/usr/include/python2.7 -c src/_png.cpp -o > > build/temp.linux-x86_64-2.7/src/_png.o > > > > src/_png.cpp:10:20: fatal error: png.h: No such file or directory > > > > compilation terminated. > > > > error: command 'gcc' failed with exit status 1 > > > > Anyone have an idea what is going on? > > > > Any help much appreciated. > > > > (going from the error messages only) > > matplotlib requires libpng headers and libraries to be installed to > compile. You don't have (at least) the headers installed. > > Not really related to django this, is it? > > Cheers > > Tom > > -- You received this message because you are subscribed to the Google Groups "Django users" group. To view this discussion on the web visit https://groups.google.com/d/msg/django-users/-/6y-RQd9gtC8J. To post to this group, send email to django-users@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.