Check the availability of DOT tool
Checked the availability of DOT tool, and adaptively decided whether
or not to use it in documentation. This also stopped compiler warning
"dot: command not found".
BUG=aomedia:2674
BUG=aomedia:2682
Change-Id: Idf8172c5ab00c8ba4e25f50bb2879b5f75be5ec4
diff --git a/docs.cmake b/docs.cmake
index d4decdc..d7af430 100644
--- a/docs.cmake
+++ b/docs.cmake
@@ -256,6 +256,11 @@
file(APPEND "${AOM_DOXYFILE}"
"PROJECT_LOGO = ${AOM_CONFIG_DIR}/${aom_logo}\n")
+ # Only set HAVE_DOT to YES if dot tool is found.
+ if(DOXYGEN_HAVE_DOT)
+ file(APPEND "${AOM_DOXYFILE}" "HAVE_DOT = YES\n")
+ endif()
+
# Add the doxygen generation rule.
add_custom_target(docs ALL
COMMAND "${DOXYGEN_EXECUTABLE}" "${AOM_DOXYFILE}"
diff --git a/libs.doxy_template b/libs.doxy_template
index 105c7c0..cde1d1a 100644
--- a/libs.doxy_template
+++ b/libs.doxy_template
@@ -2210,7 +2210,7 @@
# set to NO
# The default value is: YES.
-HAVE_DOT = YES
+HAVE_DOT = NO
# The DOT_NUM_THREADS specifies the number of dot invocations doxygen is allowed
# to run in parallel. When set to 0 doxygen will base this on the number of
