From daeb4454f6d8b72d5fab6a78546859b2182bd248 Mon Sep 17 00:00:00 2001
From: Allen Byrne <50328838+byrnHDF@users.noreply.github.com>
Date: Thu, 16 Sep 2021 10:21:21 -0500
Subject: Disable fortran warning (#1014)

---
 config/cmake/HDFFortranCompilerFlags.cmake | 7 ++++---
 config/gnu-fflags                          | 8 ++++----
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/config/cmake/HDFFortranCompilerFlags.cmake b/config/cmake/HDFFortranCompilerFlags.cmake
index 18ab621..94c40aa 100644
--- a/config/cmake/HDFFortranCompilerFlags.cmake
+++ b/config/cmake/HDFFortranCompilerFlags.cmake
@@ -91,9 +91,10 @@ if (NOT MSVC AND NOT MINGW)
     #endif ()
 
     # Append more extra warning flags that only gcc 5.x+ knows about
-    if (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 5.0)
-      ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-5")
-    endif ()
+    # do not include -Wuse-without-only
+    #if (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 5.0)
+    #  ADD_H5_FLAGS (HDF5_CMAKE_Fortran_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/gfort-5")
+    #endif ()
 
     # Append more extra warning flags that only gcc 6.x+ knows about
     if (NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 6.0)
diff --git a/config/gnu-fflags b/config/gnu-fflags
index ec4fcab..ce12561 100644
--- a/config/gnu-fflags
+++ b/config/gnu-fflags
@@ -161,10 +161,10 @@ if test "X-gfortran" = "X-$f9x_vendor"; then
 
     # gfortran 4.9 (nothing new)
 
-    # gfortran >= 5
-    if test $f9x_vers_major -ge 5; then
-        H5_FCFLAGS="$H5_FCFLAGS $(load_gnu_arguments gfort-5)"
-    fi
+    # gfortran >= 5 (do not include -Wuse-without-only)
+    #if test $f9x_vers_major -ge 5; then
+    #    H5_FCFLAGS="$H5_FCFLAGS $(load_gnu_arguments gfort-5)"
+    #fi
 
     # gfortran >= 6
     if test $f9x_vers_major -ge 6; then
-- 
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