X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=configure.ac;h=8f2f61abf810193486dcaedb5cdac715a8ac09e1;hb=b872748c6aa8bb721ced458691b38ac2fac5dfc8;hp=19ffd18bf31663cda5177993589e8f7d6edcb405;hpb=855e8e36a0c75aa75076fabe19aa292a6902ec96;p=lilypond.git

diff --git a/configure.ac b/configure.ac
index 19ffd18bf3..8f2f61abf8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -181,7 +181,7 @@ STEPMAKE_TEXMF(REQUIRED)
 STEPMAKE_TEXMF_DIRS(REQUIRED)
 if test "$GUILEv2" = "yes"
 then
-    STEPMAKE_GUILE_DEVEL(REQUIRED, 2.0.7, 2.2.0)
+    STEPMAKE_GUILE_DEVEL(REQUIRED, 2.0.7, 2.3.0)
 else
     STEPMAKE_GUILE_DEVEL(REQUIRED, 1.8.2, 1.9.0)
 fi
@@ -267,7 +267,12 @@ STEPMAKE_FREETYPE2(freetype2, REQUIRED, 2.1.10)
 STEPMAKE_WINDOWS
 
 # guile executable for some scripts
-STEPMAKE_GUILE(OPTIONAL, 1.8.2, 1.9.0)
+if test "$GUILEv2" = "yes"
+then
+    STEPMAKE_GUILE(OPTIONAL, 2.0.7, 2.3.0)
+else
+    STEPMAKE_GUILE(OPTIONAL, 1.8.2, 1.9.0)
+fi
 
 # perl for help2man and for mf2pt1.pl
 STEPMAKE_PERL(REQUIRED)
@@ -281,6 +286,30 @@ fi
 
 STEPMAKE_PATH_PROG(GHOSTSCRIPT, gs, $DOCUMENTATION_REQUIRED, 8.60)
 
+AC_SUBST(GS920)
+AC_SUBST(EXTRACTPDFMARK)
+AC_SUBST(USE_EXTRACTPDFMARK)
+STEPMAKE_PROGS(GS920, gs, OPTIONAL, 9.20)
+STEPMAKE_PROGS(EXTRACTPDFMARK, extractpdfmark, OPTIONAL)
+req=`STEPMAKE_NUMERIC_VERSION(9.20)`
+USE_EXTRACTPDFMARK=yes
+if test "$GS920_VERSION" -lt "$req"; then
+    GS920=
+    USE_EXTRACTPDFMARK=no
+fi
+if test "$EXTRACTPDFMARK" != "extractpdfmark"; then
+    EXTRACTPDFMARK=
+    USE_EXTRACTPDFMARK=no
+fi
+if test "$USE_EXTRACTPDFMARK" != "yes"; then
+    STEPMAKE_ADD_ENTRY(OPTIONAL,
+        ["(Optionally using Ghostscript >= 9.20 together with"])
+    STEPMAKE_ADD_ENTRY(OPTIONAL,
+        [" Extract PDFmark can significantly reduce the disk space required"])
+    STEPMAKE_ADD_ENTRY(OPTIONAL,
+        [" for building the documentation and the final PDF files.)"])
+fi
+
 STEPMAKE_PROGS(MAKEINFO, makeinfo, REQUIRED, 4.11)
 STEPMAKE_PROGS(TEXI2HTML, texi2html, $DOCUMENTATION_REQUIRED, 1.82)
 STEPMAKE_PROGS(DBLATEX, dblatex, $DOCUMENTATION_REQUIRED, 0.1.4)