changed: adjust doxyfile for reuse in applications

cmake/Modules/FindIFEMDeps.cmake

@@ -238,3 +238,6 @@ list(APPEND IFEM_DEPLIBS ${CMAKE_Fortran_IMPLICIT_LINK_LIBRARIES})
 include_directories(${IFEM_INCLUDE_DIRS})
 add_definitions(${IFEM_DEFINITIONS})
 set(IFEM_CHECKCOMMITS_SCRIPT ${IFEM_PATH}/cmake/Scripts/CheckCommits.cmake)
+if(NOT CMAKE_INSTALL_DOCDIR)
+  set(CMAKE_INSTALL_DOCDIR libifem1)
+endif()

cmake/Modules/IFEMOptions.cmake

@@ -15,3 +15,4 @@ OPTION(IFEM_AS_SUBMODULE       "Compile IFEM as a submodule of apps?" OFF)
 OPTION(IFEM_WHOLE_PROG_OPTIM   "Compile IFEM with link-time optimizations?" OFF)
 OPTION(IFEM_TEST_MEMCHECK      "Run tests through valgrind?"          OFF)
 OPTION(IFEM_SERIAL_TESTS_IN_PARALLEL "Run serial tests in parallel builds?" ON)
+OPTION(IFEM_INSTALL_DOXY       "Install documentation?" ON)

cmake/Templates/IFEMConfig.cmake.in

@@ -15,6 +15,7 @@ if(NOT IFEM_FOUND)
 
   set(IFEM_REGTEST_SCRIPT ${IFEM_PATH}/scripts/regtest.sh.in)
   set(IFEM_CHECKCOMMITS_SCRIPT ${IFEM_PATH}/CheckCommits.cmake)
+  set(CMAKE_INSTALL_DOCDIR @CMAKE_INSTALL_DOCDIR@)
 
   add_library(IFEMAppCommon STATIC IMPORTED)
   set_target_properties(IFEMAppCommon PROPERTIES IMPORTED_LOCATION