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-rw-r--r--Makefile.am6
1 files changed, 4 insertions, 2 deletions
diff --git a/Makefile.am b/Makefile.am
index bea4ba7c0..898b26205 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -38,7 +38,9 @@ Doxyfile : Doxyfile.in
$(srcdir)/$@.in > $@
apidoc : Doxyfile
- doxygen
+ @test -d apidoc || doxygen
+ @! find Doxyfile $(top_srcdir)/src/ \( -name '*.h' -o -name '*.md' \) -newer apidoc | \
+ grep -q '' || doxygen && touch apidoc
cov-reset-common:
@rm -rf $(top_builddir)/coverage
@@ -75,4 +77,4 @@ clean-local: cov-reset-common
@find $(top_builddir)/src $(top_builddir)/scripts -name "*.gcno" -delete
@rm -rf apidoc
-.PHONY: cov-reset-common cov-reset cov-report coverage
+.PHONY: cov-reset-common cov-reset cov-report coverage apidoc