Fix compiler warning for C23 on Fedora 44

.github/workflows/check-linux-mpi.yaml

@@ -19,18 +19,18 @@ jobs:
       matrix:
         config:
           - {os: ubuntu-latest, r: 'release', mpi: 'openmpi'}
-          - {os: ubuntu-22.04, r: 'release', mpi: 'mpich'}
+          - {os: ubuntu-latest, r: 'release', mpi: 'mpich'}
 
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
       R_KEEP_PKG_SOURCE: yes
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           path: RNetCDF
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           repository: Unidata/netcdf-c
           path: netcdf-c
@@ -46,8 +46,8 @@ jobs:
       - name: Install system dependencies
         run: |
           case "${{ matrix.config.mpi }}" in
-            openmpi) sudo apt-get install -y libhdf5-openmpi-dev openmpi-bin ;;
-            mpich) sudo apt-get install -y libhdf5-mpich-dev mpich ;;
+            openmpi) sudo apt-get install -y libhdf5-openmpi-dev openmpi-bin libxml2-dev ;;
+            mpich) sudo apt-get install -y libhdf5-mpich-dev mpich libxml2-dev ;;
             *) echo "Unknown MPI variant"; exit 1 ;;
           esac
         shell: bash
@@ -60,7 +60,8 @@ jobs:
           echo ::endgroup::
           echo ::group::configure
           inc_path="/usr/include/hdf5/${{ matrix.config.mpi }}"
-          lib_path="/usr/lib/x86_64-linux-gnu/hdf5/${{ matrix.config.mpi }}"
+          arch=$( uname -m )
+          lib_path="/usr/lib/${arch}-linux-gnu/hdf5/${{ matrix.config.mpi }}"
           ./configure CC="mpicc.${{ matrix.config.mpi }}" \
             CPPFLAGS="-I${inc_path}" \
             LDFLAGS="-L${lib_path} -Wl,-rpath=${lib_path}"
@@ -78,16 +79,24 @@ jobs:
           cat("::group::bit64\n")
           install.packages("bit64")
           cat("::endgroup::\n")
+          arch <- Sys.info()["machine"]
           if ("${{ matrix.config.mpi }}" == "openmpi") {
             Rmpi_type <- "OPENMPI"
             pbdMPI_type <- "OPENMPI"
-            mpi_include <- "/usr/lib/x86_64-linux-gnu/openmpi/include"
-            mpi_lib <- "/usr/lib/x86_64-linux-gnu/openmpi/lib"
+            mpi_include <- sprintf("/usr/lib/%s-linux-gnu/openmpi/include", arch)
+            mpi_lib <- sprintf("/usr/lib/%s-linux-gnu/openmpi/lib", arch)
           } else if ("${{ matrix.config.mpi }}" == "mpich") {
             Rmpi_type <- "MPICH2"
             pbdMPI_type <- "MPICH3"
-            mpi_include <- "/usr/include/x86_64-linux-gnu/mpich"
-            mpi_lib <- "/usr/lib/x86_64-linux-gnu"
+            mpi_include <- sprintf("/usr/include/%s-linux-gnu/mpich", arch)
+            # Workaround missing libopa and libmpl in recent mpich packages:
+            mpi_lib_real <- sprintf("/usr/lib/%s-linux-gnu/mpich/lib", arch)
+            mpi_lib <- file.path(getwd(), "mpich")
+            dir.create(mpi_lib)
+            for (destlib in c("libmpich.so", "libopa.so", "libmpl.so")) {
+              file.symlink(file.path(mpi_lib_real, "libmpich.so"),
+                file.path(mpi_lib, destlib))
+            }
           } else {
             stop("Unknown MPI variant")
           }
@@ -118,6 +127,8 @@ jobs:
           Rscript -e "library(Rmpi); library(pbdMPI);"
           mpicc="mpicc.${{ matrix.config.mpi }}"
           mpiexec="mpiexec.${{ matrix.config.mpi }}"
+          export LD_LIBRARY_PATH="$PWD/mpich:$LD_LIBRARY_PATH"
+          echo "LD_LIBRARY_PATH='$LD_LIBRARY_PATH'"
           R CMD check --no-manual \
             --install-args="--configure-args='--with-cc=$mpicc --with-mpiexec=$mpiexec'" \
             RNetCDF_*.*-*.tar.gz
@@ -126,7 +137,7 @@ jobs:
 
       - name: Upload check directory
         if: success() || failure()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: ${{ matrix.config.os }}_r-${{ matrix.config.r }}_${{ matrix.config.mpi }}
           path: RNetCDF.Rcheck/

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: RNetCDF
-Version: 2.11-1
-Date: 2025-04-30
+Version: 2.11-2
+Date: 2026-07-19
 Title: Interface to 'NetCDF' Datasets
 Authors@R: c(person("Pavel", "Michna", role = "aut",
                     email = "rnetcdf-devel@bluewin.ch"),

INSTALL

@@ -97,7 +97,7 @@ R CMD INSTALL Example
 
 R CMD INSTALL --configure-args="CPPFLAGS=-I/sw/include \
     LDFLAGS=-L/sw/lib LIBS=-lhdf5 --with-cc=mpicc --with-mpiexec=mpiexec" \
-    RNetCDF_2.11-1.tar.gz
+    RNetCDF_2.11-2.tar.gz
 
 
 LD_LIBRARY_PATH
@@ -126,7 +126,7 @@ R CMD check Example
 ===================
 
 R CMD check --install-args="--configure-args='CPPFLAGS=-I/sw/include \
-    LDFLAGS=-L/sw/lib'" RNetCDF_2.11-1.tar.gz
+    LDFLAGS=-L/sw/lib'" RNetCDF_2.11-2.tar.gz
 
 
 Time units

LICENSE

@@ -6,7 +6,7 @@ RNetCDF
 =======
 
 All files except those indicated later are
-Copyright (C) 2004-2025 Pavel Michna and Milton Woods.
+Copyright (C) 2004-2026 Pavel Michna and Milton Woods.
 They are licensed under the terms of the GNU General Public License:
 
     This program is free software; you can redistribute it and/or modify

NEWS

@@ -1,3 +1,6 @@
+Version 2.11-2, 2026-07-19
+  * Fix compiler warning for C23 standard on Fedora 44
+
 Version 2.11-1, 2025-04-30
   * Do not use nc-config compiler by default
   * Use new R API functions for environments

R/RNetCDF.R

@@ -7,7 +7,7 @@
 #  Author:     Pavel Michna (rnetcdf-devel@bluewin.ch)
 #              Milton Woods (miltonjwoods@gmail.com)
 #
-#  Copyright (C) 2004-2025 Pavel Michna and Milton Woods.
+#  Copyright (C) 2004-2026 Pavel Michna and Milton Woods.
 #
 #===============================================================================
 #

R/config.R.in

@@ -7,7 +7,7 @@
 #  Author:     Pavel Michna (rnetcdf-devel@bluewin.ch)
 #              Milton Woods (miltonjwoods@gmail.com)
 #
-#  Copyright (C) 2004-2025 Pavel Michna and Milton Woods.
+#  Copyright (C) 2004-2026 Pavel Michna and Milton Woods.
 #
 #===============================================================================
 #

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.72 for RNetCDF 2.11-1.
+# Generated by GNU Autoconf 2.72 for RNetCDF 2.11-2.
 #
 #
 # Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software Foundation,
@@ -601,8 +601,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='RNetCDF'
 PACKAGE_TARNAME='rnetcdf'
-PACKAGE_VERSION='2.11-1'
-PACKAGE_STRING='RNetCDF 2.11-1'
+PACKAGE_VERSION='2.11-2'
+PACKAGE_STRING='RNetCDF 2.11-2'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1259,7 +1259,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-'configure' configures RNetCDF 2.11-1 to adapt to many kinds of systems.
+'configure' configures RNetCDF 2.11-2 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1321,7 +1321,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of RNetCDF 2.11-1:";;
+     short | recursive ) echo "Configuration of RNetCDF 2.11-2:";;
    esac
   cat <<\_ACEOF
 
@@ -1412,7 +1412,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-RNetCDF configure 2.11-1
+RNetCDF configure 2.11-2
 generated by GNU Autoconf 2.72
 
 Copyright (C) 2023 Free Software Foundation, Inc.
@@ -1929,7 +1929,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by RNetCDF $as_me 2.11-1, which was
+It was created by RNetCDF $as_me 2.11-2, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -7542,7 +7542,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by RNetCDF $as_me 2.11-1, which was
+This file was extended by RNetCDF $as_me 2.11-2, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -7606,7 +7606,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-RNetCDF config.status 2.11-1
+RNetCDF config.status 2.11-2
 configured by $0, generated by GNU Autoconf 2.72,
   with options \\"\$ac_cs_config\\"
 

configure.ac

@@ -2,7 +2,7 @@
 #  Initialize                                                    		#
 #-------------------------------------------------------------------------------#
 
-AC_INIT([RNetCDF],[2.11-1])
+AC_INIT([RNetCDF],[2.11-2])
 
 : ${R_HOME=`R RHOME`}
 AS_IF([test -z "${R_HOME}"],

src/RNetCDF.h

@@ -2,14 +2,14 @@
  *
  *  Name:       RNetCDF.h
  *
- *  Version:    2.11-1
+ *  Version:    2.11-2
  *
  *  Purpose:    Declare RNetCDF functions callable from R
  *
  *  Author:     Pavel Michna (rnetcdf-devel@bluewin.ch)
  *              Milton Woods (miltonjwoods@gmail.com)
  *
- *  Copyright (C) 2004-2025 Pavel Michna and Milton Woods.
+ *  Copyright (C) 2004-2026 Pavel Michna and Milton Woods.
  *
  *=============================================================================*
  *

src/attribute.c

@@ -2,14 +2,14 @@
  *
  *  Name:       attribute.c
  *
- *  Version:    2.11-1
+ *  Version:    2.11-2
  *
  *  Purpose:    NetCDF attribute functions for RNetCDF
  *
  *  Author:     Pavel Michna (rnetcdf-devel@bluewin.ch)
  *              Milton Woods (miltonjwoods@gmail.com)
  *
- *  Copyright (C) 2004-2025 Pavel Michna and Milton Woods.
+ *  Copyright (C) 2004-2026 Pavel Michna and Milton Woods.
  *
  *=============================================================================*
  *

src/common.c

@@ -2,14 +2,14 @@
  *
  *  Name:       common.c
  *
- *  Version:    2.11-1
+ *  Version:    2.11-2
  *
  *  Purpose:    Common definitions for RNetCDF functions
  *
  *  Author:     Pavel Michna (rnetcdf-devel@bluewin.ch)
  *              Milton Woods (miltonjwoods@gmail.com)
  *
- *  Copyright (C) 2004-2025 Pavel Michna and Milton Woods.
+ *  Copyright (C) 2004-2026 Pavel Michna and Milton Woods.
  *
  *=============================================================================*
  *
@@ -64,7 +64,7 @@ R_nc_strcmp (SEXP var, const char *str)
 size_t
 R_nc_strnlen (const char *str, char chr, size_t maxlen)
 {
-  char *nullchr;
+  const char *nullchr;
   nullchr = memchr(str, (int) chr, maxlen);
   return (nullchr == NULL) ? maxlen : ((size_t) (nullchr - str));
 }

src/common.h

@@ -2,14 +2,14 @@
  *
  *  Name:       common.h
  *
- *  Version:    2.11-1
+ *  Version:    2.11-2
  *
  *  Purpose:    Common definitions for RNetCDF functions
  *
  *  Author:     Pavel Michna (rnetcdf-devel@bluewin.ch)
  *              Milton Woods (miltonjwoods@gmail.com)
  *
- *  Copyright (C) 2004-2025 Pavel Michna and Milton Woods.
+ *  Copyright (C) 2004-2026 Pavel Michna and Milton Woods.
  *
  *=============================================================================*
  *

src/convert.c

@@ -4,14 +4,14 @@
  *
  *  Name:       convert.c
  *
- *  Version:    2.11-1
+ *  Version:    2.11-2
  *
  *  Purpose:    Type conversions for RNetCDF
  *
  *  Author:     Pavel Michna (rnetcdf-devel@bluewin.ch)
  *              Milton Woods (miltonjwoods@gmail.com)
  *
- *  Copyright (C) 2004-2025 Pavel Michna and Milton Woods.
+ *  Copyright (C) 2004-2026 Pavel Michna and Milton Woods.
  *
  *=============================================================================*
  *

src/convert.h

@@ -2,14 +2,14 @@
  *
  *  Name:       convert.h
  *
- *  Version:    2.11-1
+ *  Version:    2.11-2
  *
  *  Purpose:    Type conversions for RNetCDF
  *
  *  Author:     Pavel Michna (rnetcdf-devel@bluewin.ch)
  *              Milton Woods (miltonjwoods@gmail.com)
  *
- *  Copyright (C) 2004-2025 Pavel Michna and Milton Woods.
+ *  Copyright (C) 2004-2026 Pavel Michna and Milton Woods.
  *
  *=============================================================================*
  *

src/dataset.c

@@ -2,14 +2,14 @@
  *
  *  Name:       dataset.c
  *
- *  Version:    2.11-1
+ *  Version:    2.11-2
  *
  *  Purpose:    NetCDF dataset functions for RNetCDF
  *
  *  Author:     Pavel Michna (rnetcdf-devel@bluewin.ch)
  *              Milton Woods (miltonjwoods@gmail.com)
  *
- *  Copyright (C) 2004-2025 Pavel Michna and Milton Woods.
+ *  Copyright (C) 2004-2026 Pavel Michna and Milton Woods.
  *
  *=============================================================================*
  *

src/dimension.c

@@ -2,14 +2,14 @@
  *
  *  Name:       dimension.c
  *
- *  Version:    2.11-1
+ *  Version:    2.11-2
  *
  *  Purpose:    NetCDF dimension functions for RNetCDF
  *
  *  Author:     Pavel Michna (rnetcdf-devel@bluewin.ch)
  *              Milton Woods (miltonjwoods@gmail.com)
  *
- *  Copyright (C) 2004-2025 Pavel Michna and Milton Woods.
+ *  Copyright (C) 2004-2026 Pavel Michna and Milton Woods.
  *
  *=============================================================================*
  *

src/group.c

@@ -2,14 +2,14 @@
  *
  *  Name:       group.c
  *
- *  Version:    2.11-1
+ *  Version:    2.11-2
  *
  *  Purpose:    NetCDF group functions for RNetCDF.
  *
  *  Author:     Pavel Michna (rnetcdf-devel@bluewin.ch)
  *              Milton Woods (miltonjwoods@gmail.com)
  *
- *  Copyright (C) 2004-2025 Pavel Michna and Milton Woods.
+ *  Copyright (C) 2004-2026 Pavel Michna and Milton Woods.
  *
  *=============================================================================*
  *