build: Added warning if we try to BUILD_DOC and there's no pdflatex

azonenberg · azonenberg · commit 1f6ac7115283 · 2017-05-21T10:28:19.000-07:00
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -59,6 +59,9 @@ find_program(PDFLATEX pdflatex)
 if(DEFINED BUILD_DOC AND NOT BUILD_DOC)
 	message(STATUS "BUILD_DOC turned off, documentation will not be built")
 	set(BUILD_DOC OFF)
+elseif(DEFINED BUILD_DOC AND BUILD_DOC AND NOT PDFLATEX)
+	message(WARNING "BUILD_DOC turned on but no pdflatex found, documentation will not be built")
+	set(BUILD_DOC OFF)
 elseif(NOT DEFINED BUILD_DOC AND NOT PDFLATEX)
   message(STATUS "pdflatex not found, documentation will not be built")
   set(BUILD_DOC OFF)
