configure.ac: check for xt

Don't assume that libxt is installed as part of libx11. On some systems, libxt is a separate dependency. Fixes #191
fvwmorg · Aug 29, 2020 · c1a10ec · c1a10ec
1 parent 0a97ed8
commit c1a10ec
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/configure.ac b/configure.ac
@@ -388,6 +388,12 @@ AC_SUBST(DOC_SECTIONS)
 AC_SUBST(DOC_SECTIONS_XML)
 AC_SUBST(DOC_SECTIONS_XML_PATH)
 
+PKG_CHECK_MODULES([xt],[xt],
+[],
+[
+ AC_MSG_ERROR([*** libxt not found. ***])
+])
+
 problem_mandoc=""
 AC_CHECK_PROG(XSLTPROC, xsltproc, xsltproc, "")