diff --git a/.github/workflows/ci_linux_meson.yml b/.github/workflows/ci_linux_meson.yml
index d4d51c5d..845fd544 100644
--- a/.github/workflows/ci_linux_meson.yml
+++ b/.github/workflows/ci_linux_meson.yml
@@ -4,7 +4,6 @@ on:
   push:
     paths:
       - "**.build"
-      - "**.f90"
       - ".github/workflows/ci_linux_meson.yml"
   pull_request:
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3f5727f9..c9468a41 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,11 +4,12 @@ if(NOT CMAKE_BUILD_TYPE)
 endif()
 project(h5fortran
   LANGUAGES C Fortran
-  VERSION 2.9.1
+  VERSION 2.9.2
   DESCRIPTION "thin, light object-oriented HDF5 Fortran interface"
   HOMEPAGE_URL https://github.com/scivision/h5fortran)
 enable_testing()
 include(CTest)
+include(FeatureSummary)
 
 option(test_shaky "run shaky tests" OFF)
 
@@ -19,19 +20,11 @@ include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/compilers.cmake)
 include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/hdf5.cmake)
 
 if(NOT HDF5OK)
-
-  message(STATUS "HDF5 library not working with ${CMAKE_Fortran_COMPILER_ID} ${CMAKE_Fortran_COMPILER_VERSION}")
-
-  if(PROJECT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
-    message(FATAL_ERROR)
+  message(STATUS "h5fortran: HDF5 not working")
+  if(NOT PROJECT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
+    return()
   endif()
-
-  unset(h5fortran)
-  unset(h5fortran::fortran)
-  message(STATUS "h5fortran disabled")
-  return()
-
-endif(NOT HDF5OK)
+endif()
 
 set(CTEST_TEST_TIMEOUT 15)
 
@@ -55,7 +48,6 @@ if(PROJECT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
 
   include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/install.cmake)
 
-  include(FeatureSummary)
   set_package_properties(Threads PROPERTIES DESCRIPTION "the system threads library")
   set_package_properties(HDF5 PROPERTIES URL "https://hdfgroup.org/" DESCRIPTION "fast, versatile file I/O format" TYPE REQUIRED)
   set_package_properties(ZLIB PROPERTIES URL "https://www.zlib.net/" DESCRIPTION "patent-free compression library")
diff --git a/cmake/compilers.cmake b/cmake/compilers.cmake
index 290b6539..a6b2e72e 100644
--- a/cmake/compilers.cmake
+++ b/cmake/compilers.cmake
@@ -33,7 +33,7 @@ elseif(CMAKE_Fortran_COMPILER_ID STREQUAL NAG)
 endif()
 
 include(CheckFortranSourceCompiles)
-check_fortran_source_compiles("implicit none (external); end" f2018impnone SRC_EXT f90)
+check_fortran_source_compiles("implicit none (type, external); end" f2018impnone SRC_EXT f90)
 if(NOT f2018impnone)
-  message(FATAL_ERROR "Compiler does not support Fortran 2018 IMPLICIT NONE (EXTERNAL): ${CMAKE_Fortran_COMPILER_ID} ${CMAKE_Fortran_COMPILER_VERSION}")
+  message(FATAL_ERROR "Compiler does not support Fortran 2018 implicit none (type, external): ${CMAKE_Fortran_COMPILER_ID} ${CMAKE_Fortran_COMPILER_VERSION}")
 endif()
diff --git a/cmake/hdf5.cmake b/cmake/hdf5.cmake
index 104c3522..0e777e19 100644
--- a/cmake/hdf5.cmake
+++ b/cmake/hdf5.cmake
@@ -7,7 +7,12 @@ if(WIN32 AND CMAKE_Fortran_COMPILER_ID STREQUAL Intel)
   set(HDF5_USE_STATIC_LIBRARIES false)
 endif()
 
-find_package(HDF5 COMPONENTS Fortran HL)
+if(PROJECT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
+  find_package(HDF5 COMPONENTS Fortran HL REQUIRED)
+else()
+  find_package(HDF5 COMPONENTS Fortran HL)
+endif()
+
 if(NOT HDF5_FOUND)
   return()
 endif()
diff --git a/meson.build b/meson.build
index 8eea7889..18f01935 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project('h5fortran', 'fortran',
   meson_version : '>=0.52.0',
-  version : '2.9.1',
+  version : '2.9.2',
   default_options : ['default_library=static', 'buildtype=release', 'warning_level=3'])
 
 subdir('meson')
diff --git a/src/interface.f90 b/src/interface.f90
index 4d6dbc52..4d807bc7 100644
--- a/src/interface.f90
+++ b/src/interface.f90
@@ -16,7 +16,7 @@ module h5fortran
 
 use string_utils, only : toLower, strip_trailing_null, truncate_string_null
 
-implicit none (external)
+implicit none (type, external)
 private
 public :: hdf5_file, toLower, hdf_shape_check, hdf_get_slice, hdf_wrapup, hsize_t, strip_trailing_null, truncate_string_null, &
   check, h5write, h5read
diff --git a/src/read.f90 b/src/read.f90
index 5839f34a..70c98e6d 100644
--- a/src/read.f90
+++ b/src/read.f90
@@ -4,7 +4,7 @@
   h5pget_layout_f, h5pget_chunk_f, H5D_CONTIGUOUS_F, H5D_CHUNKED_F
 use H5LT, only : h5ltpath_valid_f
 
-implicit none (external)
+implicit none (type, external)
 
 contains
 
diff --git a/src/reader.f90 b/src/reader.f90
index e9f4f96d..260644df 100644
--- a/src/reader.f90
+++ b/src/reader.f90
@@ -4,7 +4,7 @@
 use hdf5, only : h5dread_f
 use h5lt, only : h5ltread_dataset_string_f
 
-implicit none (external)
+implicit none (type, external)
 
 contains
 
diff --git a/src/reader_lt.f90 b/src/reader_lt.f90
index e0ebd6df..f30a7129 100644
--- a/src/reader_lt.f90
+++ b/src/reader_lt.f90
@@ -1,6 +1,6 @@
 submodule (h5fortran:read) reader_lt
 
-implicit none (external)
+implicit none (type, external)
 
 contains
 
diff --git a/src/reader_nd.f90 b/src/reader_nd.f90
index 943c0fcf..6d750f8f 100644
--- a/src/reader_nd.f90
+++ b/src/reader_nd.f90
@@ -1,7 +1,7 @@
 !! conceptual--not tested--will use h5dread_f instead
 submodule (h5fortran:read) reader_ND
 
-implicit none (external)
+implicit none (type, external)
 
 contains
 
diff --git a/src/string_utils.f90 b/src/string_utils.f90
index 8ba2f65c..8472f1a9 100644
--- a/src/string_utils.f90
+++ b/src/string_utils.f90
@@ -3,7 +3,7 @@ module string_utils
 
 use, intrinsic:: iso_c_binding, only: c_null_char
 
-implicit none (external)
+implicit none (type, external)
 
 contains
 
diff --git a/src/tests/read_slice.f90 b/src/tests/read_slice.f90
index c30d4d10..0fce1a33 100644
--- a/src/tests/read_slice.f90
+++ b/src/tests/read_slice.f90
@@ -1,7 +1,7 @@
 program read_slice
 !! example of Fortran reading smaller array into slice of larger array via subroutine
 
-implicit none (external)
+implicit none (type, external)
 
 type :: foo
 integer :: i44(4,4)
diff --git a/src/tests/test_array.f90 b/src/tests/test_array.f90
index 7d351df2..991a516d 100644
--- a/src/tests/test_array.f90
+++ b/src/tests/test_array.f90
@@ -4,7 +4,7 @@ module test_array
 use, intrinsic :: iso_fortran_env, only: real32, real64, int32, stderr=>error_unit
 use h5fortran, only : hdf5_file, hsize_t
 
-implicit none (external)
+implicit none (type, external)
 
 real(real32) :: nan
 
diff --git a/src/tests/test_deflate.f90 b/src/tests/test_deflate.f90
index 317e9312..975ac19c 100644
--- a/src/tests/test_deflate.f90
+++ b/src/tests/test_deflate.f90
@@ -5,7 +5,7 @@ program test_deflate
 use h5fortran, only: hdf5_file, toLower, strip_trailing_null, truncate_string_null
 use hdf5, only: H5D_CHUNKED_F, H5D_CONTIGUOUS_F, hsize_t
 
-implicit none (external)
+implicit none (type, external)
 
 character(:), allocatable :: path
 character(256) :: argv
diff --git a/src/tests/test_error.f90 b/src/tests/test_error.f90
index c9740e56..0be5ba2e 100644
--- a/src/tests/test_error.f90
+++ b/src/tests/test_error.f90
@@ -3,7 +3,7 @@ program test_error
 use, intrinsic:: iso_fortran_env, only: int32, real32, real64, stderr=>error_unit
 use h5fortran, only: hdf5_file
 
-implicit none (external)
+implicit none (type, external)
 
 type(hdf5_file) :: h5f
 
diff --git a/src/tests/test_exist.f90 b/src/tests/test_exist.f90
index 9a40aa13..1396c765 100644
--- a/src/tests/test_exist.f90
+++ b/src/tests/test_exist.f90
@@ -3,7 +3,7 @@ program test_exist
 use, intrinsic :: iso_fortran_env, only : stderr=>error_unit
 use h5fortran, only: hdf5_file, h5write
 
-implicit none (external)
+implicit none (type, external)
 
 type(hdf5_file) :: h
 character(:), allocatable :: path
diff --git a/src/tests/test_hdf5_ifc.f90 b/src/tests/test_hdf5_ifc.f90
index a591a816..40bd2728 100644
--- a/src/tests/test_hdf5_ifc.f90
+++ b/src/tests/test_hdf5_ifc.f90
@@ -9,7 +9,7 @@ program test_hdf5
 use test_scalar, only : test_scalar_rw
 use test_string, only : test_string_rw, test_lowercase, test_strip_null
 
-implicit none (external)
+implicit none (type, external)
 
 character(:), allocatable :: path
 character(256) :: argv
diff --git a/src/tests/test_lt.f90 b/src/tests/test_lt.f90
index 0ab24002..720c4467 100644
--- a/src/tests/test_lt.f90
+++ b/src/tests/test_lt.f90
@@ -2,7 +2,7 @@ module test_lt
 
 use h5fortran, only : h5write, h5read
 
-implicit none (external)
+implicit none (type, external)
 
 contains
 
diff --git a/src/tests/test_minimal.f90 b/src/tests/test_minimal.f90
index 548c5339..90f4ec40 100644
--- a/src/tests/test_minimal.f90
+++ b/src/tests/test_minimal.f90
@@ -3,7 +3,7 @@ program test_minimal
 use hdf5, only : HID_T, HSIZE_T, H5_INTEGER_KIND, h5kind_to_type, h5open_f, h5close_f, h5fclose_f, h5fcreate_f, H5F_ACC_TRUNC_F
 use h5lt, only : h5ltmake_dataset_f
 
-implicit none (external)
+implicit none (type, external)
 
 integer :: ierr, p
 integer(HID_T) :: lid
diff --git a/src/tests/test_scalar.f90 b/src/tests/test_scalar.f90
index 3e623fca..01e1f30f 100644
--- a/src/tests/test_scalar.f90
+++ b/src/tests/test_scalar.f90
@@ -4,7 +4,7 @@ module test_scalar
 use hdf5, only: HSIZE_T
 use h5fortran, only: hdf5_file
 
-implicit none (external)
+implicit none (type, external)
 
 contains
 
diff --git a/src/tests/test_shape.f90 b/src/tests/test_shape.f90
index 5a99503c..2f3f868d 100644
--- a/src/tests/test_shape.f90
+++ b/src/tests/test_shape.f90
@@ -3,7 +3,7 @@ program test_shape
 use h5fortran, only: hdf5_file,hsize_t
 use, intrinsic:: iso_fortran_env, only: real64, stdout=>output_unit, stderr=>error_unit
 
-implicit none (external)
+implicit none (type, external)
 
 type(hdf5_file) :: h5f
 character(1024) :: argv
diff --git a/src/tests/test_string.f90 b/src/tests/test_string.f90
index d0fc0aa5..aa32b66d 100644
--- a/src/tests/test_string.f90
+++ b/src/tests/test_string.f90
@@ -5,7 +5,7 @@ module test_string
 
 use h5fortran, only : toLower, hdf5_file, strip_trailing_null, truncate_string_null
 
-implicit none (external)
+implicit none (type, external)
 
 contains
 
diff --git a/src/write.f90 b/src/write.f90
index c4180fc9..54155ffe 100644
--- a/src/write.f90
+++ b/src/write.f90
@@ -8,7 +8,7 @@
 
 use H5LT, only: h5ltpath_valid_f, h5ltset_attribute_string_f, h5ltmake_dataset_string_f
 
-implicit none (external)
+implicit none (type, external)
 
 contains
 
diff --git a/src/writer.f90 b/src/writer.f90
index 63d515a6..b3e073a0 100644
--- a/src/writer.f90
+++ b/src/writer.f90
@@ -2,7 +2,7 @@
 !! This submodule is for writing 0-D..7-D data
 use hdf5, only: h5dwrite_f
 
-implicit none (external)
+implicit none (type, external)
 
 contains
 
diff --git a/src/writer_lt.f90 b/src/writer_lt.f90
index cece5115..65b0fa63 100644
--- a/src/writer_lt.f90
+++ b/src/writer_lt.f90
@@ -1,6 +1,6 @@
 submodule (h5fortran:write) writer_lt
 
-implicit none (external)
+implicit none (type, external)
 
 contains
 
diff --git a/src/writer_nd.f90 b/src/writer_nd.f90
index fd01fdea..811c1d09 100644
--- a/src/writer_nd.f90
+++ b/src/writer_nd.f90
@@ -1,7 +1,7 @@
 !! conceptual--not tested
 submodule (h5fortran:write) writer_ND
 
-implicit none (external)
+implicit none (type, external)
 
 contains