Revert texi2html to OPTIONAL: only needed for building web. Fixes gub3 build.

(cherry picked from commit 0364058d18eb91836302a567c18289209d6e9706)

diff --git a/configure.in b/configure.in
index a5af1fc4f587f6de837741554f57c73a430420f1..d45c4c0a44ebe77acf8871f7d0dc3a037d52783b 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -189,7 +189,7 @@ STEPMAKE_GUILE(OPTIONAL)
 STEPMAKE_PERL(OPTIONAL)
 
 STEPMAKE_PROGS(MAKEINFO, makeinfo, REQUIRED, 4.11)
-STEPMAKE_PROGS(TEXI2HTML, texi2html, REQUIRED, 1.80)
+STEPMAKE_PROGS(TEXI2HTML, texi2html, OPTIONAL, 1.80)
 
 AC_DEFINE_UNQUOTED(FLOWER_VERSION, "${FULL_FLOWER_VERSION}")