configure.in: make XShm.h test compatible with modern autotools
commitf84a2e26082943436e86c70bb309e50ffd7261bf
authorrofl0r <rofl0r@users.noreply.github.com>
Fri, 27 Aug 2021 03:17:11 +0000 (27 03:17 +0000)
committerrofl0r <rofl0r@users.noreply.github.com>
Fri, 27 Aug 2021 03:17:14 +0000 (27 03:17 +0000)
tree6e3a30115e87d6fe1bdadcb8984802fbe95d7d62
parent6b7a58ede710776d9d43765362b34c99832f1204
configure.in: make XShm.h test compatible with modern autotools

https://www.gnu.org/software/autoconf/manual/autoconf-2.64/html_node/Present-But-Cannot-Be-Compiled.html
configure.in