Build: Unify the rules and variables for xref-map files.

[lilypond.git] / input / regression / lilypond-book / GNUmakefile

diff --git a/input/regression/lilypond-book/GNUmakefile b/input/regression/lilypond-book/GNUmakefile
index 4cec06b66140d5f77e9982743d6b87208d5b259f..ff6cd10b481b54ed7e7e2b6de5910cb28c2bd8f6 100644 (file)
--- a/input/regression/lilypond-book/GNUmakefile
+++ b/input/regression/lilypond-book/GNUmakefile
@@ -33,5 +33,12 @@ $(outdir)/collated-files.list: $(OUT_FILES)
 $(outdir)/suffix-texi.texi: suffix-texi.texi $(outdir)/version.itexi $(DOCUMENTATION_LOCALE_TARGET) $(INIT_LY_SOURCES) $(SCHEME_SOURCES)
        LILYPOND_VERSION=$(TOPLEVEL_VERSION) $(PYTHON) $(LILYPOND_BOOK) $(LILYPOND_BOOK_INCLUDES) --process='$(LILYPOND_BOOK_PROCESS) $(LILYPOND_BOOK_LILYPOND_FLAGS)' --output=$(outdir) --format=$(LILYPOND_BOOK_FORMAT) $(LILYPOND_BOOK_FLAGS) --redirect-lilypond-output $<
 
+# Due to automatic language detection the standard rule using the script
+# extract_texi_filenames would create .es.xref-map for these files. The
+# following rule is to circumvent this for the purpose of the build. For
+# the regression tests the .xref-map files are empty and not used anyway.
+$(XREF_MAPS_DIR)/texinfo-include-language-detection.xref-map $(XREF_MAPS_DIR)/texinfo-language-detection.xref-map: %:
+       touch $@
+
 # Prevent parallel lilypond-book instances for this subdir
 .NOTPARALLEL: