Working with moz-headless-screenshot

For an upcoming project, we needed a program that would make a screenshot of a rendered webpage. It needed to work on a linux box not running a gui. That limited the options quite a bit. The solution was a nifty program called moz-headless-screenshot. Getting it to compile, however, turned out to be a bit of a challenge.

Following the directions in the Makefile located at http://blog.mozilla.com/ted/2010/07/29/moz-headless-screenshot/ worked very well up until step 6, make. Running make gave some nasty errors about libssl. Replacing this line in the Makefile

LIBS = `pkg-config –libs glib-2.0 gobject-2.0 cairo` -lm -ldl -L$(OBJDIR)/dist/lib -lnspr4 -lplds4 -lplc4 -lxul -lsqlite3 -lmozjs -lsoftokn3 -lnssutil3 -lnss3 $(OBJDIR)/embedding/browser/headless/src/libmozheadless.a

with this line

LIBS = `pkg-config –libs glib-2.0 gobject-2.0 cairo` -lm -ldl -L$(OBJDIR)/dist/lib -lnspr4 -lplc4 -lxul -lsqlite3 -lmozjs -lsoftokn3 $(OBJDIR)/embedding/browser/headless/src/libmozheadless.a

fixed those problems.

If you have errors before you even get to step number 6, double check and make sure you have the development libraries for building Mozilla installed.

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