build-pspp: Use -I flag to newer gendocs.sh to copy HTML image files.

The image files were being omitted from the HTML version of the generated
manual.  Using -I with sufficiently newer gendocs.sh solves the problem.

Reported by John Darrington.

diff --git a/build-pspp b/build-pspp
index ae723f7de4922f2ccd58695098b4f499af5cc8b9..6c1a30dc9bc422a61ac5e77e4bd9f0765dab8b11 100755 (executable)
--- a/build-pspp
+++ b/build-pspp
@@ -268,13 +268,12 @@ EOF
 
     # Build user manual
     start_step ("Build user manual");
-    run ("cd pspp && cp _build/doc/*.texi doc/");
-    run ("cd pspp && GENDOCS_TEMPLATE_DIR=$topdir $topdir/gendocs.sh -s doc/pspp.texinfo -o $resultsdir/user-manual --email bug-gnu-pspp\@gnu.org pspp \"GNU PSPP User Manual\"", "user-manual");
+    run ("cd pspp && GENDOCS_TEMPLATE_DIR=$topdir $topdir/gendocs.sh -s doc/pspp.texinfo -I doc -o $resultsdir/user-manual --email bug-gnu-pspp\@gnu.org pspp \"GNU PSPP User Manual\"", "user-manual");
     saved_result ("User Manual", "user-manual");
 
     # Build developer's guide
     start_step ("Build developers guide");
-    run ("cd pspp && GENDOCS_TEMPLATE_DIR=$topdir $topdir/gendocs.sh -s doc/pspp-dev.texinfo -o $resultsdir/dev-guide --email bug-gnu-pspp\@gnu.org pspp-dev \"GNU PSPP Developers Guide\"", "dev-guide");
+    run ("cd pspp && GENDOCS_TEMPLATE_DIR=$topdir $topdir/gendocs.sh -s doc/pspp-dev.texinfo -I doc -o $resultsdir/dev-guide --email bug-gnu-pspp\@gnu.org pspp-dev \"GNU PSPP Developers Guide\"", "dev-guide");
     saved_result ("Developers Guide", "dev-guide");
 } else {
     $tarball = saved_result ("source distribution", $tarball);