1 8 Merge dev changes for long double and cmake (#548)

* Update supported platforms

* Merge PR#3 changes from develop

* # WARNING: head commit changed in the meantime

Merge gcc 10 diagnostics option from develop

Merge CMake changes from develop
Merge warnings from develop
Merge #318 OSX changes from develop
Merge tools changes from develop
Merge test macros from develop

* Format updates

* Fix missing semicolon and format fix

* Format update

* Correct actions, remove java option

* Update autotools build files

* Add testfiles

* Fix configure issue with make flags

* Init fapls to default

* Update generated files and fix h5repack id closure

* update format

* Merges from develop

#358 patches from vtk
#361 fix header guard spelling

* Merges from develop

#340 clang -Wformat-security warnings
#360 Fixed uninitialized warnings
header guard underscore cleanup
whitespace cleanup
tools sync

* format alignment

* initialize vars

* revert H5private change

* Merge #380 from develop

* Split format source and commit changes on repo push

* Change windows TS to use older VS.

* HDFFV-11229 merge dev changes for long double display in tools

* Committing clang-format changes

* Update unsupported types with precision

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

1 files changed, 48 insertions, 2 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 217c55d..9c94e81 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -772,8 +772,7 @@ set (H5_PUBLIC_GENERATED_HEADERS
 option (HDF5_GENERATE_HEADERS "Rebuild Generated Files" ON)
 if (HDF5_GENERATE_HEADERS)
   set_source_files_properties(${H5_GENERATED_HEADERS} PROPERTIES GENERATED TRUE)
-  find_package (Perl)
-  if (PERL_FOUND)
+  if (H5_PERL_FOUND)
     execute_process (
         COMMAND ${PERL_EXECUTABLE} ${HDF5_SOURCE_DIR}/bin/make_err ${HDF5_SRC_DIR}/H5err.txt OUTPUT_VARIABLE SCRIPT_OUTPUT
     )
@@ -1142,3 +1141,50 @@ if (NOT WIN32)
       COMPONENT libraries
   )
 endif ()
+
+#-----------------------------------------------------------------------------
+# Option to build documentation
+#-----------------------------------------------------------------------------
+if (DOXYGEN_FOUND)
+  set (DOXYGEN_PACKAGE ${HDF5_PACKAGE})
+  set (DOXYGEN_VERSION_STRING ${HDF5_VERSION_STRING})
+  set (DOXYGEN_INCLUDE_ALIASES_PATH ${HDF5_DOXYGEN_DIR})
+  set (DOXYGEN_INCLUDE_ALIASES aliases)
+  set (DOXYGEN_VERBATIM_VARS DOXYGEN_INCLUDE_ALIASES)
+  set (DOXYGEN_PROJECT_LOGO ${HDF5_DOXYGEN_DIR}/img/HDFG-logo.png)
+  set (DOXYGEN_PROJECT_BRIEF "C-API Reference")
+  set (DOXYGEN_INPUT_DIRECTORY "${HDF5_SRC_DIR} ${HDF5_DOXYGEN_DIR}/dox ${HDF5_GENERATED_SOURCE_DIR}/shared")
+  set (DOXYGEN_OPTIMIZE_OUTPUT_FOR_C YES)
+  set (DOXYGEN_MACRO_EXPANSION YES)
+  set (DOXYGEN_OUTPUT_DIRECTORY ${HDF5_BINARY_DIR}/hdf5lib_docs)
+
+# This configure and custom target work together
+  # Replace variables inside @@ with the current values
+  configure_file (${HDF5_DOXYGEN_DIR}/Doxyfile.in ${HDF5_BINARY_DIR}/Doxyfile @ONLY)
+  add_custom_target (hdf5lib_doc ALL
+        COMMAND ${DOXYGEN_EXECUTABLE} ${HDF5_BINARY_DIR}/Doxyfile
+        WORKING_DIRECTORY ${HDF5_SRC_DIR}
+        COMMENT "Generating HDF5 library Source API documentation with Doxygen"
+        VERBATIM )
+# This cmake function requires that the non-default doxyfile settings are provided with set (DOXYGEN_xxx) commands
+# In addition the doxyfile aliases @INCLUDE option is not supported and would need to be provided in a set (DOXYGEN_ALIASES) command.
+#  doxygen_add_docs (hdf5lib_doc
+##      ${common_SRCS} ${shared_gen_SRCS} ${H5_PUBLIC_HEADERS} ${H5_PRIVATE_HEADERS} ${H5_GENERATED_HEADERS} ${HDF5_DOXYGEN_DIR}/dox
+#      ${DOXYGEN_INPUT_DIRECTORY}
+#      ALL
+#      WORKING_DIRECTORY ${HDF5_SRC_DIR}
+#      COMMENT "Generating HDF5 library Source Documentation"
+#  )
+  install (
+      DIRECTORY ${HDF5_BINARY_DIR}/hdf5lib_docs/html
+      DESTINATION ${HDF5_INSTALL_DATA_DIR}
+      COMPONENT Documents
+  )
+
+  if (NOT TARGET doxygen)
+    add_custom_target (doxygen)
+  endif ()
+
+  add_dependencies (doxygen hdf5lib_doc)
+
+endif ()