From 2daeae549f78cc0123e51491c40bb187afd679f9 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Thu, 6 Feb 2020 07:47:15 -0700
Subject: [PATCH] fixed call to AC_SUBST inside an if-endif in configure.ac

---
 configure.ac | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 23795b60e..c015e67bf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1062,7 +1062,6 @@ if test "x$enable_hdf5" = xyes; then
    fi
    AC_MSG_CHECKING([whether HDF5 is version 1.10.3 or greater])
    AC_MSG_RESULT([$ac_cv_func_H5Dread_chunk])
-   AC_SUBST([HAS_PAR_FILTERS], [$hdf5_supports_par_filters])
 
    # Check to see if we need to search for and link against szlib.
    if test "x$ac_cv_func_H5Z_SZIP" = xyes; then
@@ -1070,14 +1069,14 @@ if test "x$enable_hdf5" = xyes; then
       [AC_MSG_ERROR([libhdf5 installed with szip support, but cannot find or link to the szip library.])])
    fi
 
-
+   # Check to see if user asked for parallel build, but HDF5 does not support it.
    if test "x$hdf5_parallel" = "xno"; then
       if test "x$enable_parallel_tests" = "xyes"; then
          AC_MSG_ERROR([Parallel tests requested, but no parallel HDF5 installation detected.])
       fi
    fi
 
-   # The user may have built HDF5 with the SZLIB library.
+   # Check whether HDF5 was built with the SZLIB library.
    AC_MSG_CHECKING([whether szlib was used when building HDF5])
    enable_szlib=no
    if test "x$ac_cv_func_H5Z_SZIP" = xyes; then
@@ -1088,6 +1087,7 @@ if test "x$enable_hdf5" = xyes; then
 
 fi
 AM_CONDITIONAL(HAS_PAR_FILTERS, [test x$hdf5_supports_par_filters = xyes ])
+AC_SUBST([HAS_PAR_FILTERS], [$hdf5_supports_par_filters])
 
 # If the user wants hdf4 built in, check it out.
 if test "x$enable_hdf4" = xyes; then