Merge remote-tracking branch 'hdffv/develop' into rebased-fprintf-experiment

7 files changed, 41 insertions, 3 deletions

diff --git a/config/cmake/ConfigureChecks.cmake b/config/cmake/ConfigureChecks.cmake
index 2930969..ab121e9 100644
--- a/config/cmake/ConfigureChecks.cmake
+++ b/config/cmake/ConfigureChecks.cmake
@@ -61,6 +61,31 @@ if (HDF5_ENABLE_CODESTACK)
 endif ()
 MARK_AS_ADVANCED (HDF5_ENABLE_CODESTACK)
 
+# ----------------------------------------------------------------------
+# Check if they would like to use file locking by default
+#-----------------------------------------------------------------------------
+option (HDF5_USE_FILE_LOCKING "Use file locking by default (mainly for SWMR)" ON)
+if (HDF5_USE_FILE_LOCKING)
+  set (${HDF_PREFIX}_USE_FILE_LOCKING 1)
+endif ()
+
+# ----------------------------------------------------------------------
+# Check if they would like to ignore file locks when disabled on a file system
+#-----------------------------------------------------------------------------
+option (HDF5_IGNORE_DISABLED_FILE_LOCKS "Ignore file locks when disabled on file system" ON)
+if (HDF5_IGNORE_DISABLED_FILE_LOCKS)
+  set (${HDF_PREFIX}_IGNORE_DISABLED_FILE_LOCKS 1)
+endif ()
+
+# Set the libhdf5.settings file variable
+if (HDF5_IGNORE_DISABLED_FILE_LOCKS AND HDF5_USE_FILE_LOCKING)
+  set (HDF5_FILE_LOCKING_SETTING "best-effort")
+elseif (HDF5_IGNORE_DISABLED_FILE_LOCKS)
+  set (HDF5_FILE_LOCKING_SETTING "yes")
+else ()
+  set (HDF5_FILE_LOCKING_SETTING "no")
+endif ()
+
 #-----------------------------------------------------------------------------
 #  Are we going to use HSIZE_T
 #-----------------------------------------------------------------------------
diff --git a/config/cmake/H5pubconf.h.in b/config/cmake/H5pubconf.h.in
index 64b4852..600b046 100644
--- a/config/cmake/H5pubconf.h.in
+++ b/config/cmake/H5pubconf.h.in
@@ -489,6 +489,9 @@
 /* Define if the compiler understands __inline__ */
 #cmakedefine H5_HAVE___INLINE__ @H5_HAVE___INLINE__@
 
+/* Define if the library will ignore file locks when disabled */                 
+#cmakedefine H5_IGNORE_DISABLED_FILE_LOCKS @H5_IGNORE_DISABLED_FILE_LOCKS@
+
 /* Define if the high-level library headers should be included in hdf5.h */
 #cmakedefine H5_INCLUDE_HL @H5_INCLUDE_HL@
 
@@ -729,6 +732,9 @@
 /* Define using v1.14 public API symbols by default */
 #cmakedefine H5_USE_114_API_DEFAULT @H5_USE_114_API_DEFAULT@
 
+/* Define if the library will use file locking */
+#cmakedefine H5_USE_FILE_LOCKING @H5_USE_FILE_LOCKING@
+
 /* Define if a memory checking tool will be used on the library, to cause
    library to be very picky about memory operations and also disable the
    internal free list manager code. */
diff --git a/config/cmake/libhdf5.settings.cmake.in b/config/cmake/libhdf5.settings.cmake.in
index b745765..ebcbd61 100644
--- a/config/cmake/libhdf5.settings.cmake.in
+++ b/config/cmake/libhdf5.settings.cmake.in
@@ -85,5 +85,6 @@ Parallel Filtered Dataset Writes: @PARALLEL_FILTERED_WRITES@
             Using memory checker: @HDF5_ENABLE_USING_MEMCHECKER@
  Memory allocation sanity checks: @HDF5_MEMORY_ALLOC_SANITY_CHECK@
           Function Stack Tracing: @HDF5_ENABLE_CODESTACK@
+                Use file locking: @HDF5_FILE_LOCKING_SETTING@
        Strict File Format Checks: @HDF5_STRICT_FORMAT_CHECKS@
     Optimization Instrumentation: @HDF5_Enable_Instrument@
diff --git a/config/cmake/scripts/HDF5config.cmake b/config/cmake/scripts/HDF5config.cmake
index 7b7560f..3a8d5b7 100644
--- a/config/cmake/scripts/HDF5config.cmake
+++ b/config/cmake/scripts/HDF5config.cmake
@@ -21,6 +21,7 @@ cmake_minimum_required (VERSION 3.12)
 #     ctest -S HDF5config.cmake,OPTION=VALUE -C Release -VV -O test.log
 # where valid options for OPTION are:
 #     BUILD_GENERATOR - The cmake build generator:
+#            MinGW     * MinGW Makefiles
 #            Unix      * Unix Makefiles
 #            VS2019    * Visual Studio 16 2019
 #            VS201964  * Visual Studio 16 2019
@@ -167,7 +168,11 @@ if (NOT DEFINED HPC)
   ##  Set the following to unique id your computer  ##
     set (CTEST_SITE "WIN7${BUILD_GENERATOR}.XXXX")
   else ()
-    set (CTEST_CMAKE_GENERATOR "Unix Makefiles")
+    if (MINGW)
+      set (CTEST_CMAKE_GENERATOR "MinGW Makefiles")
+    else ()
+      set (CTEST_CMAKE_GENERATOR "Unix Makefiles")
+    endif ()
   ##  Set the following to unique id your computer  ##
     if (APPLE)
      set (CTEST_SITE "MAC.XXXX")
diff --git a/config/gnu-warnings/4.8 b/config/gnu-warnings/4.8
index c7e3dd1..05f4d92 100644
--- a/config/gnu-warnings/4.8
+++ b/config/gnu-warnings/4.8
@@ -9,6 +9,9 @@
 
 # warning flag added for GCC >= 4.5
 -Wstrict-overflow=5
+# This warning can only be truly addressed using the gcc extension of
+# using D to indicate doubles (e.g., 1.23D).
+-Wno-unsuffixed-float-constants
 
 # warning flags added for GCC >= 4.6
 -Wdouble-promotion
diff --git a/config/gnu-warnings/developer-4.8 b/config/gnu-warnings/developer-4.8
index fd76f6c..bfd15a1 100644
--- a/config/gnu-warnings/developer-4.8
+++ b/config/gnu-warnings/developer-4.8
@@ -5,7 +5,6 @@
 # the variable is never *used* before it has been initialized?
 #
 -Wjump-misses-init
--Wunsuffixed-float-constants
 
 # developer warning flag added for GCC >= 4.6
 -Wsuggest-attribute=const
diff --git a/config/gnu-warnings/no-developer-4.8 b/config/gnu-warnings/no-developer-4.8
index 1e29c78..09a9a96 100644
--- a/config/gnu-warnings/no-developer-4.8
+++ b/config/gnu-warnings/no-developer-4.8
@@ -1,6 +1,5 @@
 # no-developer warning flag added for GCC >= 4.5
 -Wno-jump-misses-init
--Wno-unsuffixed-float-constants
 
 # no-developer warning flag added for GCC >= 4.6
 -Wno-suggest-attribute=const