document new GUILE reqs

diff --git a/Documentation/topdocs/INSTALL.texi b/Documentation/topdocs/INSTALL.texi
index c663700030c51fedcf11dd5d11a0abc715f42e80..52d8d8cf767d01049a9dc0f332873e3867dfa407 100644 (file)
--- a/Documentation/topdocs/INSTALL.texi
+++ b/Documentation/topdocs/INSTALL.texi
@@ -79,7 +79,7 @@ You will need to install some additional packages to get mftrace to
 work.
 
 @item @uref{http://www.gnu.org/software/guile/guile.html,GUILE}
-(version 1.6.7 or newer).  If you are installing binary packages, you
+(version 1.8.2 or newer).  If you are installing binary packages, you
 may need to install guile-devel or guile-dev or libguile-dev too.
 
 @item @uref{ftp://ftp.gnu.org/gnu/texinfo/,Texinfo} (version 4.8 or newer).
@@ -116,7 +116,8 @@ software
 @item @uref{http://www.freetype.org/,FontConfig} (version 2.2).
 @item @uref{http://www.pango.org/,Pango} (version 1.12 or newer).
 @item @uref{http://www.gnu.org/software/guile/guile.html,GUILE}
-(version 1.8.0 or newer).
+(version 1.8.2 or newer), or patch 1.8.x with
+@uref{http://lilypond.org/vc/gub.darcs/patches/guile-1.8-rational.patch}.
 @item @uref{http://www.python.org,Python} (version 2.4 or newer).
 @item @uref{http://www.ghostscript.com,Ghostscript} (version 8.15 or
 newer. 8.50 recommended)

diff --git a/configure.in b/configure.in
index 16cb3c3f211afbae5d9021ca509a2fc2bb33343c..4d91c761937d1c942a5bf574c707ba1c0a3bd855 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -107,7 +107,20 @@ STEPMAKE_GETTEXT
 STEPMAKE_MSGFMT(REQUIRED)
 STEPMAKE_TEXMF(REQUIRED)
 STEPMAKE_TEXMF_DIRS
-STEPMAKE_GUILE_DEVEL(REQUIRED, 1.6.7)
+
+## should check for 1.8.2 ?  
+STEPMAKE_GUILE_DEVEL(REQUIRED, 1.8.0)
+AC_MSG_CHECKING(GUILE rational bugfix)
+AC_TRY_CPP(
+#include <libguile.h>
+#ifdef SCM_FRACTION_REDUCED_BIT
+#error 
+#endif
+,
+AC_MSG_RESULT(ok),
+REQUIRED="$REQUIRED GUILE-with-rational-bugfix"
+AC_MSG_RESULT(Must have patched GUILE rational support. See INSTALL.txt))
+
 STEPMAKE_MAKEINFO(REQUIRED, 4.8)
 STEPMAKE_PYTHON_DEVEL(REQUIRED)