DOCS_TARGET_REQUIRE_PROGRAM(XSLTPROC, xsltproc, ALL)
DOCS_TARGET_REQUIRE_PROGRAM(RM, rm, ALL)
-DOCS_TARGET_REQUIRE_PROGRAM(DIA, dia, ALL)
+DOCS_TARGET_REQUIRE_PROGRAM(DIA, dia, LATEX)
+DOCS_TARGET_REQUIRE_PROGRAM(DIA, dia, PS)
+DOCS_TARGET_REQUIRE_PROGRAM(DIA, dia, PDF)
+DOCS_TARGET_REQUIRE_PROGRAM(DIA, dia, HTML)
+DOCS_TARGET_REQUIRE_PROGRAM(DIA, dia, HTMLHELP)
+DOCS_TARGET_REQUIRE_PROGRAM(DIA, dia, PEARSON)
+DOCS_TARGET_REQUIRE_PROGRAM(DIA, dia, PLUCKER)
+DOCS_TARGET_REQUIRE_PROGRAM(DIA, dia, FOPDF)
# Check dia version number