Build: Try to convince `make' to keep intermediate files (issue 1906).

[lilypond.git] / Documentation / GNUmakefile

diff --git a/Documentation/GNUmakefile b/Documentation/GNUmakefile
index c6981d5e5e53927ab61128a6cfc85e7468a6ea5a..22da2d8fa8d73a3746c11f5d9d64f641fb45fda1 100644 (file)
--- a/Documentation/GNUmakefile
+++ b/Documentation/GNUmakefile
@@ -197,10 +197,13 @@ endif
 $(outdir)/lilypond-%.info: $(outdir)/%.texi $(outdir)/$(INFO_IMAGES_DIR).info-images-dir-dep $(outdir)/version.itexi $(outdir)/weblinks.itexi
        $(MAKEINFO) -I$(src-dir) -I$(outdir) --output=$@ $<
 
-# cd $(outdir) rule gets bit hairy for --srcdir configure builds
-txt-to-html:
-       $(foreach a, $(README_TOP_FILES), cp $(top-src-dir)/$(a) $(outdir)/$(a).txt && ) true
-       $(PYTHON) $(step-bindir)/text2html.py $(OUT_TXT_FILES)
+txt-to-html: $(OUT_TXT_FILES) $(OUT_TXT_FILES:%.txt=%.html)
+
+$(OUT_TXT_FILES): $(outdir)/%.txt: $(top-src-dir)/%
+       cp -f $< $@
+
+$(OUT_TXT_FILES:%.txt=%.html): $(outdir)/%.html: $(outdir)/%.txt
+       $(PYTHON) $(step-bindir)/text2html.py $<
 
 # Explicitly list the dependencies on generated content
 $(outdir)/web.texi: $(outdir)/we-wrote.itexi $(outdir)/others-did.itexi $(outdir)/weblinks.itexi
@@ -368,5 +371,3 @@ update-translation:
 # what's it gonna be, boy...tranlationS-/translation-
 translation-status:
        PYTHONPATH=$(top-src-dir)/python:$(top-src-dir)/python/auxiliar $(PYTHON) $(top-src-dir)/scripts/auxiliar/translations-status.py
-
-.SECONDARY: