Rework CMake add_custom to use the BYPRODUCTS argument

Update pkgconfig scripts for parallel builds. Fix install COPYING file reference. Remove unused round defines. Change CMake default setting of BUILD_CPP to off.
HDFGroup · Apr 28, 2021 · 2a492af · 2a492af
1 parent 7597339
commit 2a492af
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Showing 16 changed files with 172 additions and 143 deletions.
diff --git a/CMakeInstallation.cmake b/CMakeInstallation.cmake
@@ -201,7 +201,6 @@ if (NOT HDF5_EXTERNALLY_CONFIGURED)
   if (EXISTS "${HDF5_SOURCE_DIR}/release_docs" AND IS_DIRECTORY "${HDF5_SOURCE_DIR}/release_docs")
     set (release_files
         ${HDF5_SOURCE_DIR}/release_docs/USING_HDF5_CMake.txt
-        ${HDF5_SOURCE_DIR}/release_docs/COPYING
         ${HDF5_SOURCE_DIR}/release_docs/RELEASE.txt
     )
     if (WIN32)
@@ -259,9 +258,9 @@ if (NOT HDF5_EXTERNALLY_CONFIGURED AND NOT HDF5_NO_PACKAGES)
   set (CPACK_PACKAGE_VERSION_MAJOR "${HDF5_PACKAGE_VERSION_MAJOR}")
   set (CPACK_PACKAGE_VERSION_MINOR "${HDF5_PACKAGE_VERSION_MINOR}")
   set (CPACK_PACKAGE_VERSION_PATCH "")
+  set (CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/COPYING")
   if (EXISTS "${HDF5_SOURCE_DIR}/release_docs")
     set (CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/release_docs/RELEASE.txt")
-    set (CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/COPYING")
     set (CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/release_docs/RELEASE.txt")
   endif ()
   set (CPACK_PACKAGE_RELOCATABLE TRUE)

diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1101,7 +1101,7 @@ endif ()
 # Option to build HDF5 C++ Library
 #-----------------------------------------------------------------------------
 if (EXISTS "${HDF5_SOURCE_DIR}/c++" AND IS_DIRECTORY "${HDF5_SOURCE_DIR}/c++")
-  option (HDF5_BUILD_CPP_LIB  "Build HDF5 C++ Library" ON)
+  option (HDF5_BUILD_CPP_LIB  "Build HDF5 C++ Library" OFF)
   if (HDF5_BUILD_CPP_LIB)
     # check for unsupported options
     if (HDF5_ENABLE_PARALLEL)

diff --git a/c++/src/CMakeLists.txt b/c++/src/CMakeLists.txt
@@ -209,7 +209,11 @@ install (
 )
 
 if (NOT WIN32 AND NOT MINGW)
-  set (_PKG_CONFIG_COMPILER ${CMAKE_CXX_COMPILER})
+  if (HDF5_ENABLE_PARALLEL AND MPI_CXX_FOUND)
+    set (_PKG_CONFIG_COMPILER ${MPI_CXX_COMPILER})
+  else ()
+    set (_PKG_CONFIG_COMPILER ${CMAKE_CXX_COMPILER})
+  endif ()
   configure_file (
       ${HDF_RESOURCES_DIR}/libh5cc.in
       ${HDF5_BINARY_DIR}/CMakeFiles/h5c++

diff --git a/config/cmake/H5pubconf.h.in b/config/cmake/H5pubconf.h.in
@@ -243,21 +243,9 @@
 /* Define to 1 if you have the `z' library (-lz). */
 #cmakedefine H5_HAVE_LIBZ @H5_HAVE_LIBZ@
 
-/* Define to 1 if you have the `llround' function. */
-#cmakedefine H5_HAVE_LLROUND @H5_HAVE_LLROUND@
-
-/* Define to 1 if you have the `llroundf' function. */
-#cmakedefine H5_HAVE_LLROUNDF @H5_HAVE_LLROUNDF@
-
 /* Define to 1 if you have the `longjmp' function. */
 #cmakedefine H5_HAVE_LONGJMP @H5_HAVE_LONGJMP@
 
-/* Define to 1 if you have the `lround' function. */
-#cmakedefine H5_HAVE_LROUND @H5_HAVE_LROUND@
-
-/* Define to 1 if you have the `lroundf' function. */
-#cmakedefine H5_HAVE_LROUNDF @H5_HAVE_LROUNDF@
-
 /* Define to 1 if you have the `lseek64' function. */
 #cmakedefine H5_HAVE_LSEEK64 @H5_HAVE_LSEEK64@
 
@@ -322,12 +310,6 @@
    compiled */
 #cmakedefine H5_HAVE_ROS3_VFD @H5_HAVE_ROS3_VFD@
 
-/* Define to 1 if you have the `round' function. */
-#cmakedefine H5_HAVE_ROUND @H5_HAVE_ROUND@
-
-/* Define to 1 if you have the `roundf' function. */
-#cmakedefine H5_HAVE_ROUNDF @H5_HAVE_ROUNDF@
-
 /* Define to 1 if you have the `setjmp' function. */
 #cmakedefine H5_HAVE_SETJMP @H5_HAVE_SETJMP@
 
@@ -778,18 +760,9 @@
 /* Define for large files, on AIX-style hosts. */
 #cmakedefine H5__LARGE_FILES
 
-/* Define to empty if `const' does not conform to ANSI C. */
-#cmakedefine H5_const
-
 /* Define to `long int' if <sys/types.h> does not define. */
 #cmakedefine H5_off_t
 
-/* Define to `long' if <sys/types.h> does not define. */
-#cmakedefine H5_ptrdiff_t
-
-/* Define to `unsigned long' if <sys/types.h> does not define. */
-#cmakedefine H5_size_t
-
 /* Define to `long' if <sys/types.h> does not define. */
 #cmakedefine H5_ssize_t
 

diff --git a/config/cmake/cacheinit.cmake b/config/cmake/cacheinit.cmake
@@ -21,6 +21,8 @@ set (HDF_PACKAGE_EXT "" CACHE STRING "Name of HDF package extension" FORCE)
 
 set (HDF_PACKAGE_NAMESPACE "hdf5::" CACHE STRING "Name for HDF package namespace (can be empty)" FORCE)
 
+set (HDF5_BUILD_CPP_LIB ON CACHE BOOL "Build C++ support" FORCE)
+
 set (HDF5_BUILD_FORTRAN ON CACHE BOOL "Build FORTRAN support" FORCE)
 
 set (HDF5_INSTALL_MOD_FORTRAN "NO" CACHE STRING "Copy FORTRAN mod files to include directory (NO SHARED STATIC)" FORCE)

diff --git a/config/cmake_ext_mod/ConfigureChecks.cmake b/config/cmake_ext_mod/ConfigureChecks.cmake
@@ -500,18 +500,12 @@ CHECK_FUNCTION_EXISTS (frexpl            ${HDF_PREFIX}_HAVE_FREXPL)
 
 CHECK_FUNCTION_EXISTS (gethostname       ${HDF_PREFIX}_HAVE_GETHOSTNAME)
 CHECK_FUNCTION_EXISTS (getrusage         ${HDF_PREFIX}_HAVE_GETRUSAGE)
-CHECK_FUNCTION_EXISTS (llround           ${HDF_PREFIX}_HAVE_LLROUND)
-CHECK_FUNCTION_EXISTS (llroundf          ${HDF_PREFIX}_HAVE_LLROUNDF)
-CHECK_FUNCTION_EXISTS (lround            ${HDF_PREFIX}_HAVE_LROUND)
-CHECK_FUNCTION_EXISTS (lroundf           ${HDF_PREFIX}_HAVE_LROUNDF)
 CHECK_FUNCTION_EXISTS (lstat             ${HDF_PREFIX}_HAVE_LSTAT)
 
 CHECK_FUNCTION_EXISTS (pread             ${HDF_PREFIX}_HAVE_PREAD)
 CHECK_FUNCTION_EXISTS (pwrite            ${HDF_PREFIX}_HAVE_PWRITE)
 CHECK_FUNCTION_EXISTS (rand_r            ${HDF_PREFIX}_HAVE_RAND_R)
 CHECK_FUNCTION_EXISTS (random            ${HDF_PREFIX}_HAVE_RANDOM)
-CHECK_FUNCTION_EXISTS (round             ${HDF_PREFIX}_HAVE_ROUND)
-CHECK_FUNCTION_EXISTS (roundf            ${HDF_PREFIX}_HAVE_ROUNDF)
 CHECK_FUNCTION_EXISTS (setsysinfo        ${HDF_PREFIX}_HAVE_SETSYSINFO)
 
 CHECK_FUNCTION_EXISTS (signal            ${HDF_PREFIX}_HAVE_SIGNAL)

diff --git a/fortran/src/CMakeLists.txt b/fortran/src/CMakeLists.txt
@@ -73,38 +73,35 @@ add_executable (H5match_types
 )
 target_include_directories (H5match_types PRIVATE "${HDF5_SRC_BINARY_DIR};${HDF5_SRC_DIR};${HDF5_F90_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
 
-add_custom_command (
-    OUTPUT ${HDF5_F90_BINARY_DIR}/H5f90i_gen.h
-           ${HDF5_F90_BINARY_DIR}/H5fortran_types.F90
+add_custom_command (TARGET H5match_types POST_BUILD
+    BYPRODUCTS H5f90i_gen.h H5fortran_types.F90
     COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:H5match_types>
     WORKING_DIRECTORY ${HDF5_F90_BINARY_DIR}
     DEPENDS H5match_types
 )
 
 if (NOT ONLY_SHARED_LIBS)
-  add_custom_command (
-      OUTPUT ${HDF5_F90_BINARY_DIR}/static/H5f90i_gen.h
-             ${HDF5_F90_BINARY_DIR}/static/H5fortran_types.F90
+  add_custom_command (TARGET H5match_types POST_BUILD
+      BYPRODUCTS H5f90i_gen.h H5fortran_types.F90
       COMMAND    ${CMAKE_COMMAND}
-      ARGS       -E copy_if_different "${HDF5_F90_BINARY_DIR}/H5f90i_gen.h" "${HDF5_F90_BINARY_DIR}/static/H5f90i_gen.h"
+      ARGS       -E copy_if_different ${HDF5_F90_BINARY_DIR}/H5f90i_gen.h ${HDF5_F90_BINARY_DIR}/static/H5f90i_gen.h
       COMMAND    ${CMAKE_COMMAND}
-      ARGS       -E copy_if_different "${HDF5_F90_BINARY_DIR}/H5fortran_types.F90" "${HDF5_F90_BINARY_DIR}/static/H5fortran_types.F90"
+      ARGS       -E copy_if_different ${HDF5_F90_BINARY_DIR}/H5fortran_types.F90 ${HDF5_F90_BINARY_DIR}/static/H5fortran_types.F90
       WORKING_DIRECTORY ${HDF5_F90_BINARY_DIR}/static
-      DEPENDS ${HDF5_F90_BINARY_DIR}/H5f90i_gen.h
+      DEPENDS H5match_types ${HDF5_F90_BINARY_DIR}/H5f90i_gen.h
   )
   set_source_files_properties (${HDF5_F90_BINARY_DIR}/static/H5f90i_gen.h PROPERTIES GENERATED TRUE)
   set_source_files_properties (${HDF5_F90_BINARY_DIR}/static/H5fortran_types.F90 PROPERTIES GENERATED TRUE)
 endif ()
 if (BUILD_SHARED_LIBS)
-  add_custom_command (
-      OUTPUT ${HDF5_F90_BINARY_DIR}/shared/H5f90i_gen.h
-             ${HDF5_F90_BINARY_DIR}/shared/H5fortran_types.F90
+  add_custom_command (TARGET H5match_types POST_BUILD
+      BYPRODUCTS H5f90i_gen.h H5fortran_types.F90
       COMMAND    ${CMAKE_COMMAND}
-      ARGS       -E copy_if_different "${HDF5_F90_BINARY_DIR}/H5f90i_gen.h" "${HDF5_F90_BINARY_DIR}/shared/H5f90i_gen.h"
+      ARGS       -E copy_if_different ${HDF5_F90_BINARY_DIR}/H5f90i_gen.h ${HDF5_F90_BINARY_DIR}/shared/H5f90i_gen.h
       COMMAND    ${CMAKE_COMMAND}
-      ARGS       -E copy_if_different "${HDF5_F90_BINARY_DIR}/H5fortran_types.F90" "${HDF5_F90_BINARY_DIR}/shared/H5fortran_types.F90"
+      ARGS       -E copy_if_different ${HDF5_F90_BINARY_DIR}/H5fortran_types.F90 ${HDF5_F90_BINARY_DIR}/shared/H5fortran_types.F90
       WORKING_DIRECTORY ${HDF5_F90_BINARY_DIR}/shared
-      DEPENDS ${HDF5_F90_BINARY_DIR}/H5f90i_gen.h
+      DEPENDS H5match_types ${HDF5_F90_BINARY_DIR}/H5f90i_gen.h
   )
   set_source_files_properties (${HDF5_F90_BINARY_DIR}/shared/H5f90i_gen.h PROPERTIES GENERATED TRUE)
   set_source_files_properties (${HDF5_F90_BINARY_DIR}/shared/H5fortran_types.F90 PROPERTIES GENERATED TRUE)
@@ -137,10 +134,19 @@ set (f90CStub_C_HDRS
     # generated files
     ${HDF5_F90_BINARY_DIR}/static/H5f90i_gen.h
 )
+add_custom_target (H5gen_i ALL
+    DEPENDS H5match_types ${f90CStub_C_HDRS}
+)
+set_source_files_properties (${f90CStub_C_HDRS} PROPERTIES GENERATED TRUE)
+
 set (f90CStub_C_SHHDRS
     # generated files
     ${HDF5_F90_BINARY_DIR}/shared/H5f90i_gen.h
 )
+add_custom_target (H5gen_iSH ALL
+    DEPENDS H5match_types ${f90CStub_C_SHHDRS}
+)
+set_source_files_properties (${f90CStub_C_SHHDRS} PROPERTIES GENERATED TRUE)
 
 if (NOT ONLY_SHARED_LIBS)
   add_library (${HDF5_F90_C_LIB_TARGET} STATIC ${f90CStub_C_SOURCES} ${f90CStub_C_HDRS})
@@ -210,39 +216,39 @@ set (f90_F_GEN_SOURCES
     ${HDF5_F90_SRC_SOURCE_DIR}/H5Dff.F90
     ${HDF5_F90_SRC_SOURCE_DIR}/H5Pff.F90
 )
-add_custom_command (
-    OUTPUT ${HDF5_F90_BINARY_DIR}/H5_gen.F90
+add_custom_command (TARGET H5_buildiface POST_BUILD
+    BYPRODUCTS ${HDF5_F90_BINARY_DIR}/H5_gen.F90
     COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:H5_buildiface>
     WORKING_DIRECTORY ${HDF5_F90_BINARY_DIR}
     DEPENDS ${f90_F_GEN_SOURCES}
     COMMENT "Generating the H5_gen.F90 file"
 )
 if (NOT ONLY_SHARED_LIBS)
-  add_custom_command (
-      OUTPUT ${HDF5_F90_BINARY_DIR}/static/H5_gen.F90
+  add_custom_command (TARGET H5_buildiface POST_BUILD
+      BYPRODUCTS H5_gen.F90
       COMMAND    ${CMAKE_COMMAND}
-      ARGS       -E copy_if_different "${HDF5_F90_BINARY_DIR}/H5_gen.F90" "${HDF5_F90_BINARY_DIR}/static/H5_gen.F90"
+      ARGS       -E copy_if_different ${HDF5_F90_BINARY_DIR}/H5_gen.F90 ${HDF5_F90_BINARY_DIR}/static/H5_gen.F90
       WORKING_DIRECTORY ${HDF5_F90_BINARY_DIR}/static
       DEPENDS ${HDF5_F90_BINARY_DIR}/H5_gen.F90
       COMMENT "Generating the H5_gen.F90 file"
   )
   add_custom_target (H5gen ALL
-      DEPENDS ${HDF5_F90_BINARY_DIR}/static/H5_gen.F90
+      DEPENDS H5_buildiface ${HDF5_F90_BINARY_DIR}/static/H5_gen.F90
   )
   set_source_files_properties (${HDF5_F90_BINARY_DIR}/static/H5_gen.F90 PROPERTIES GENERATED TRUE)
 endif ()
 
 if (BUILD_SHARED_LIBS)
-  add_custom_command (
-      OUTPUT ${HDF5_F90_BINARY_DIR}/shared/H5_gen.F90
+  add_custom_command (TARGET H5_buildiface POST_BUILD
+      BYPRODUCTS H5_gen.F90
       COMMAND    ${CMAKE_COMMAND}
-      ARGS       -E copy_if_different "${HDF5_F90_BINARY_DIR}/H5_gen.F90" "${HDF5_F90_BINARY_DIR}/shared/H5_gen.F90"
+      ARGS       -E copy_if_different ${HDF5_F90_BINARY_DIR}/H5_gen.F90 ${HDF5_F90_BINARY_DIR}/shared/H5_gen.F90
       WORKING_DIRECTORY ${HDF5_F90_BINARY_DIR}/shared
       DEPENDS ${HDF5_F90_BINARY_DIR}/H5_gen.F90
       COMMENT "Generating the H5_gen.F90 shared file"
   )
   add_custom_target (H5genSH ALL
-      DEPENDS ${HDF5_F90_BINARY_DIR}/shared/H5_gen.F90
+      DEPENDS H5_buildiface ${HDF5_F90_BINARY_DIR}/shared/H5_gen.F90
   )
   set_source_files_properties (${HDF5_F90_BINARY_DIR}/shared/H5_gen.F90 PROPERTIES GENERATED TRUE)
 endif ()
@@ -550,7 +556,11 @@ install (
 )
 
 if (NOT WIN32 AND NOT MINGW)
-  set (_PKG_CONFIG_COMPILER ${CMAKE_Fortran_COMPILER})
+  if (HDF5_ENABLE_PARALLEL AND MPI_Fortran_FOUND)
+    set (_PKG_CONFIG_COMPILER ${MPI_Fortran_COMPILER})
+  else ()
+    set (_PKG_CONFIG_COMPILER ${CMAKE_Fortran_COMPILER})
+  endif ()
   configure_file (
       ${HDF_RESOURCES_DIR}/libh5cc.in
       ${HDF5_BINARY_DIR}/CMakeFiles/h5fc

diff --git a/fortran/test/CMakeLists.txt b/fortran/test/CMakeLists.txt
@@ -91,27 +91,27 @@ if (HDF5_ENABLE_FORMATTERS)
 endif ()
 
 if (NOT BUILD_SHARED_LIBS)
-  add_custom_command (
-      OUTPUT ${HDF5_FORTRAN_TESTS_BINARY_DIR}/static/tf_gen.F90
+  add_custom_command (TARGET H5_test_buildiface POST_BUILD
+      BYPRODUCTS tf_gen.F90
       COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:H5_test_buildiface>
       WORKING_DIRECTORY ${HDF5_FORTRAN_TESTS_BINARY_DIR}/static
       DEPENDS H5_test_buildiface
-      COMMENT "Generating the tf_gen.F90 file"
+      COMMENT "Generating the tf_gen.F90 static file"
   )
   add_custom_target (H5testgen ALL
-      DEPENDS ${HDF5_FORTRAN_TESTS_BINARY_DIR}/static/tf_gen.F90
+      DEPENDS H5_test_buildiface ${HDF5_FORTRAN_TESTS_BINARY_DIR}/static/tf_gen.F90
   )
   set_source_files_properties (${HDF5_FORTRAN_TESTS_BINARY_DIR}/static/tf_gen.F90 PROPERTIES GENERATED TRUE)
 else ()
-  add_custom_command (
-      OUTPUT ${HDF5_FORTRAN_TESTS_BINARY_DIR}/shared/tf_gen.F90
+  add_custom_command (TARGET H5_test_buildiface POST_BUILD
+      BYPRODUCTS tf_gen.F90
       COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:H5_test_buildiface>
       WORKING_DIRECTORY ${HDF5_FORTRAN_TESTS_BINARY_DIR}/shared
       DEPENDS H5_test_buildiface
       COMMENT "Generating the tf_gen.F90 shared file"
   )
   add_custom_target (H5testgenSH ALL
-      DEPENDS ${HDF5_FORTRAN_TESTS_BINARY_DIR}/shared/tf_gen.F90
+      DEPENDS H5_test_buildiface ${HDF5_FORTRAN_TESTS_BINARY_DIR}/shared/tf_gen.F90
   )
   set_source_files_properties (${HDF5_FORTRAN_TESTS_BINARY_DIR}/shared/tf_gen.F90 PROPERTIES GENERATED TRUE)
 endif ()

diff --git a/hl/c++/src/CMakeLists.txt b/hl/c++/src/CMakeLists.txt
@@ -120,7 +120,11 @@ install (
 )
 
 if (NOT WIN32 AND NOT MINGW)
-  set (_PKG_CONFIG_COMPILER ${CMAKE_CXX_COMPILER})
+  if (HDF5_ENABLE_PARALLEL AND MPI_CXX_FOUND)
+    set (_PKG_CONFIG_COMPILER ${MPI_CXX_COMPILER})
+  else ()
+    set (_PKG_CONFIG_COMPILER ${CMAKE_CXX_COMPILER})
+  endif ()
   configure_file (
       ${HDF_RESOURCES_DIR}/libh5cc.in
       ${HDF5_BINARY_DIR}/CMakeFiles/h5hlc++

diff --git a/hl/fortran/src/CMakeLists.txt b/hl/fortran/src/CMakeLists.txt
@@ -114,15 +114,15 @@ set (HDF5_HL_F90_F_BASE_SOURCES
 )
 
 if (NOT ONLY_SHARED_LIBS)
-  add_custom_command (
-      OUTPUT ${HDF5_HL_F90_BINARY_DIR}/static/H5LTff_gen.F90 ${HDF5_HL_F90_BINARY_DIR}/static/H5TBff_gen.F90
+  add_custom_command (TARGET H5HL_buildiface POST_BUILD
+      BYPRODUCTS $H5LTff_gen.F90 H5TBff_gen.F90
       COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:H5HL_buildiface>
       WORKING_DIRECTORY ${HDF5_HL_F90_BINARY_DIR}/static
       DEPENDS ${HDF5_HL_F90_F_BASE_SOURCES}
       COMMENT "Generating the H5LTff_gen.F90, H5TBff_gen.F90 files"
   )
   add_custom_target (H5HLgen ALL
-      DEPENDS ${HDF5_HL_F90_BINARY_DIR}/static/H5LTff_gen.F90 ${HDF5_HL_F90_BINARY_DIR}/static/H5TBff_gen.F90
+      DEPENDS H5HL_buildiface ${HDF5_HL_F90_BINARY_DIR}/static/H5LTff_gen.F90 ${HDF5_HL_F90_BINARY_DIR}/static/H5TBff_gen.F90
   )
   set_source_files_properties (
       ${HDF5_HL_F90_BINARY_DIR}/static/H5LTff_gen.F90
@@ -131,15 +131,15 @@ if (NOT ONLY_SHARED_LIBS)
   )
 endif ()
 if (BUILD_SHARED_LIBS)
-  add_custom_command (
-      OUTPUT ${HDF5_HL_F90_BINARY_DIR}/shared/H5LTff_gen.F90 ${HDF5_HL_F90_BINARY_DIR}/shared/H5TBff_gen.F90
+  add_custom_command (TARGET H5HL_buildiface POST_BUILD
+      BYPRODUCTS H5LTff_gen.F90 H5TBff_gen.F90
       COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:H5HL_buildiface>
       WORKING_DIRECTORY ${HDF5_HL_F90_BINARY_DIR}/shared
       DEPENDS ${HDF5_HL_F90_F_BASE_SOURCES}
       COMMENT "Generating the H5LTff_gen.F90, H5TBff_gen.F90 shared files"
   )
   add_custom_target (H5HLgenSH ALL
-      DEPENDS ${HDF5_HL_F90_BINARY_DIR}/shared/H5LTff_gen.F90 ${HDF5_HL_F90_BINARY_DIR}/shared/H5TBff_gen.F90
+      DEPENDS H5HL_buildiface ${HDF5_HL_F90_BINARY_DIR}/shared/H5LTff_gen.F90 ${HDF5_HL_F90_BINARY_DIR}/shared/H5TBff_gen.F90
   )
   set_source_files_properties (
       ${HDF5_HL_F90_BINARY_DIR}/shared/H5LTff_gen.F90
@@ -353,7 +353,11 @@ install (
 )
 
 if (NOT WIN32 AND NOT MINGW)
-  set (_PKG_CONFIG_COMPILER ${CMAKE_Fortran_COMPILER})
+  if (HDF5_ENABLE_PARALLEL AND MPI_Fortran_FOUND)
+    set (_PKG_CONFIG_COMPILER ${MPI_Fortran_COMPILER})
+  else ()
+    set (_PKG_CONFIG_COMPILER ${CMAKE_Fortran_COMPILER})
+  endif ()
   configure_file (
       ${HDF_RESOURCES_DIR}/libh5cc.in
       ${HDF5_BINARY_DIR}/CMakeFiles/h5hlfc

diff --git a/hl/src/CMakeLists.txt b/hl/src/CMakeLists.txt
@@ -152,7 +152,11 @@ install (
 )
 
 if (NOT WIN32 AND NOT MINGW)
-  set (_PKG_CONFIG_COMPILER ${CMAKE_C_COMPILER})
+  if (HDF5_ENABLE_PARALLEL AND MPI_C_FOUND)
+    set (_PKG_CONFIG_COMPILER ${MPI_C_COMPILER})
+  else ()
+    set (_PKG_CONFIG_COMPILER ${CMAKE_C_COMPILER})
+  endif ()
   configure_file (
       ${HDF_RESOURCES_DIR}/libh5cc.in
       ${HDF5_BINARY_DIR}/CMakeFiles/h5hlcc

diff --git a/release_docs/INSTALL_CMake.txt b/release_docs/INSTALL_CMake.txt
@@ -734,7 +734,7 @@ BUILD_STATIC_EXECS "Build Static Executables"  OFF
 BUILD_TESTING      "Build HDF5 Unit Testing"   ON
 
 ---------------- HDF5 Build Options ---------------------
-HDF5_BUILD_CPP_LIB  "Build HDF5 C++ Library"         ON
+HDF5_BUILD_CPP_LIB  "Build HDF5 C++ Library"         OFF
 HDF5_BUILD_EXAMPLES "Build HDF5 Library Examples"    ON
 HDF5_BUILD_FORTRAN  "Build FORTRAN support"          OFF
 HDF5_BUILD_JAVA     "Build JAVA support"             OFF

diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
@@ -47,6 +47,13 @@ New Features
 
     Configuration:
     -------------
+    - CMake no longer builds the C++ library by default
+
+      HDF5_BUILD_CPP_LIB now defaults to OFF, which is in line with the
+      Autotools build defaults.
+
+      (DER - 2021/04/20)
+
     - Removal of pre-VS2015 work-arounds
 
       HDF5 now requires Visual Studio 2015 or greater, so old work-around