Install muparser headers

This fixes compilation error introduced by #4285 (muparser.h now
needs to be accessible for user projects).

diff --git a/bundled/CMakeLists.txt b/bundled/CMakeLists.txt
index acc7f66f2628cb9b7c49db2336f71b26c4550acb..915faf0afbc0692951f98bfb32dc2a35eb74ff6a 100644 (file)
--- a/bundled/CMakeLists.txt
+++ b/bundled/CMakeLists.txt
@@ -64,6 +64,12 @@ ENDIF()
 
 IF(FEATURE_MUPARSER_BUNDLED_CONFIGURED)
   ADD_SUBDIRECTORY(${MUPARSER_FOLDER})
+  INSTALL(DIRECTORY
+      ${MUPARSER_FOLDER}/include/
+    DESTINATION ${DEAL_II_INCLUDE_RELDIR}/deal.II/bundled
+    COMPONENT library
+    FILES_MATCHING PATTERN "*.h"
+    )
 ENDIF()