From: Matt Birkholz <matt@birkholz.chandler.az.us>
Date: Wed, 9 May 2012 22:45:42 +0000 (-0700)
Subject: microcode/configure.ac: error if --with-termcap=no on Unix.
X-Git-Tag: release-9.2.0~247^2~14
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=b564905756be18c5bfe53c7656f54cda4e44de77;p=mit-scheme.git

microcode/configure.ac: error if --with-termcap=no on Unix.

The build will fail without a termcap-ish library in LIBS because of
references to e.g. tgetent in uxtty.c.
---

diff --git a/src/microcode/configure.ac b/src/microcode/configure.ac
index 1acd4980b..3e2e3a32b 100644
--- a/src/microcode/configure.ac
+++ b/src/microcode/configure.ac
@@ -164,6 +164,11 @@ AC_ARG_WITH([termcap],
     AS_HELP_STRING([--with-termcap],
 	[Use a termcap library if available [[yes]]]))
 : ${with_termcap='yes'}
+if test "x${with_termcap}" = xno; then
+    dnl On Unix (in uxtty.c) primitives like tty-command-clear require
+    dnl some kind of termcap.  A build without-termcap is not possible.
+    AC_MSG_ERROR([--without-termcap is not supported on Unix systems])
+fi
 
 dnl For reasons I don't understand, it is necessary to use
 dnl quadigraphs here instead of [[ ... ]].