fixed syntax1

.github/workflows/main.yml

@@ -65,15 +65,15 @@ jobs:
         ##################################
         git clone https://github.com/HDFGroup/hdf5.git
         export HOME_DIR=$(echo ~)
+        echo "HDF5_DIR=$HOME_DIR/hdf5" >> $GITHUB_ENV
         cd hdf5
         ./autogen.sh
         ./configure --enable-build-mode=debug --without-szlib --disable-fortran --disable-hl \
         --disable-tests --disable-tools \
-        --prefix=$HOME_DIR/hdf5 \
+        --prefix=$HDF5_DIR/hdf5 \
         --enable-parallel
         make -j 8 install
         mydir="$PWD"
-        echo "HDF5_DIR=$HOME_DIR/hdf5" >> $GITHUB_ENV
         echo "CPPFLAGS=-I$HDF5_DIR/include" >> $GITHUB_ENV
         echo "LDFLAGS=-L$HDF5_DIR/lib" >> $GITHUB_ENV
 
@@ -86,6 +86,7 @@ jobs:
         ./autogen.sh
         mkdir build; cd build
         echo "void main(void){}" > junk.c
+        echo "$CPPFLAGS"
         ls $HDF5_DIR/bin/h5pcc
         $HDF5_DIR/bin/h5pcc junk.c
         CC=$HDF5_DIR/bin/h5pcc ../configure --prefix=$GITHUB_WORKSPACE/build