I tried version 0.9.x tarballs from the release tags, and only 0.9.0 will build cleanly. The rest fail on an error “…IGRAPH_VERSION is missing”.

You need to download the release tarball, not the tag snapshot automatically produced by GitHub. When you download the releases from Releases · igraph/igraph · GitHub , look for the files named as igraph-x.y.z.tar.gz. These are the release tarballs. Do not use the files labelled as “Source code (zip…

CMake fails build from tarball; IGRAPH_VERSION is missing.

Installation

Topic		Replies	Views
Installing igraph 0.7.1 on centos 6.5 Installation C	18	576	16 June 2022
C/igraph 0.9.2 Announcements C	0	422	14 April 2021
Incorrect download links on the main C igraph page Site Feedback C	1	468	23 April 2020
Unable to find libigraph.so, libigraph.a or igraph.dll files in package Installation C	5	593	26 March 2021
Locating tar.gz files igraph 1.4.3 Installation R	1	288	22 June 2023

CMake fails build from tarball; IGRAPH_VERSION is missing.

Related topics