Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
gtksourceview-devel
libgtksourceview-devel
libgtksourceview-3.0-devel
pkgconfig(gtksourceview-3.0)
devel(libgtksourceview-3.0(64bit))
lib64gtksourceview3.0-devel
lib64gtksourceview3.0-devel(x86-64)

Requires :

devel(libpangocairo-1.0(64bit))
lib64gtksourceview3.0_1 = 3.24.5
devel(libcairo(64bit))
pkgconfig
devel(libxml2(64bit))
devel(libgtk-3(64bit))
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
devel(libgdk-3(64bit))
devel(libpango-1.0(64bit))
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(VersionedDependencies) <= 3.0.3-1
pkgconfig(gtk+-3.0) => 3.20
devel(libgdk_pixbuf-2.0(64bit))
pkgconfig(glib-2.0) => 2.48
devel(libm(64bit))
rpmlib(PayloadIsXz) <= 5.2-1
pkgconfig(gio-2.0) => 2.48
devel(libatk-1.0(64bit))
devel(libglib-2.0(64bit))
devel(libgobject-2.0(64bit))
devel(libgio-2.0(64bit))

Content of RPM :
/usr/include/gtksourceview-3.0
/usr/include/gtksourceview-3.0/gtksourceview
/usr/include/gtksourceview-3.0/gtksourceview/completion-providers
/usr/include/gtksourceview-3.0/gtksourceview/completion-providers/words
/usr/include/gtksourceview-3.0/gtksourceview/completion-providers/words/gtksourcecompletionwords.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksource.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourceautocleanups.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcebuffer.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcecompletion.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcecompletioncontext.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcecompletioninfo.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcecompletionitem.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcecompletionproposal.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcecompletionprovider.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourceencoding.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcefile.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcefileloader.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcefilesaver.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcegutter.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcegutterrenderer.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcegutterrendererpixbuf.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcegutterrenderertext.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcelanguage.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcelanguagemanager.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcemap.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcemark.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcemarkattributes.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourceprintcompositor.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourceregion.h
/usr/include/gtksourceview-3.0/gtksourceview/gtksourcesearchcontext.h
There is 86 files more in these RPM.