We obviously need man.h and mdoc.h installed as mentioned in mandoc.3.

diff --git a/Makefile b/Makefile
index c535f105b9fa148fad355f195c66cd531a6e8876..be6e56821d8bee67751e05a4453e110c12b77929 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -323,7 +323,7 @@ install: all
        mkdir -p $(DESTDIR)$(MANDIR)/man7
        $(INSTALL_PROGRAM) mandoc preconv $(DESTDIR)$(BINDIR)
        $(INSTALL_LIB) libmandoc.a $(DESTDIR)$(LIBDIR)
-       $(INSTALL_LIB) mandoc.h $(DESTDIR)$(INCLUDEDIR)
+       $(INSTALL_LIB) man.h mdoc.h mandoc.h $(DESTDIR)$(INCLUDEDIR)
        $(INSTALL_MAN) mandoc.1 preconv.1 $(DESTDIR)$(MANDIR)/man1
        $(INSTALL_MAN) mandoc.3 $(DESTDIR)$(MANDIR)/man3
        $(INSTALL_MAN) man.7 mdoc.7 roff.7 eqn.7 tbl.7 mandoc_char.7 $(DESTDIR)$(MANDIR)/man7