X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=configure.in;h=8a7a12c52245ddefed5a375c860a47b04f3de32a;hb=c74523f061cba5fb50d307ff04e3507c8b36f5c8;hp=16cb3c3f211afbae5d9021ca509a2fc2bb33343c;hpb=f9d4fe7ed96d0695bfef20278c9592bc4d7ceadb;p=lilypond.git

diff --git a/configure.in b/configure.in
index 16cb3c3f21..8a7a12c522 100644
--- a/configure.in
+++ b/configure.in
@@ -107,7 +107,27 @@ 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)
+
+
+## check rational bugfix.
+save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$GUILE_CFLAGS $CPPFLAGS"
+AC_MSG_CHECKING(GUILE rational bugfix)
+AC_TRY_CPP(
+#include <libguile.h>
+#ifdef SCM_FRACTION_REDUCED_BIT
+#error 
+#endif
+,
+AC_MSG_RESULT(ok),
+REQUIRED="$REQUIRED GUILE-with-rational-bugfix"
+AC_MSG_RESULT(Must have patched GUILE rational support. See INSTALL.txt))
+CPPFLAGS="$save_CPPFLAGS"
+
+
 STEPMAKE_MAKEINFO(REQUIRED, 4.8)
 STEPMAKE_PYTHON_DEVEL(REQUIRED)
 
@@ -165,6 +185,9 @@ STEPMAKE_PROGS(MAKEINFO, makeinfo, REQUIRED, 4.8)
 AC_DEFINE_UNQUOTED(FLOWER_VERSION, "${FULL_FLOWER_VERSION}")
 
 
+# must also have local.make if configure fails.
+touch local.make
+
 # Gather requirements and generate output.
 STEPMAKE_END
 
@@ -177,4 +200,7 @@ Type:
     make$mc install   to install LilyPond
     make$mc help      to see all possible targets
 
+Edit local.make for local Makefile overrides.
+
+
 EOF