From 4aa0e1ac9341bd101a74ef88be948a37fe4658f7 Mon Sep 17 00:00:00 2001
From: MintoDA1 <51412913+MintoDA1@users.noreply.github.com>
Date: Thu, 17 Aug 2023 13:12:04 -0400
Subject: [PATCH] Changed the dependency fetcher to only download the
 dependencies if they aren't already there, otherwise run make distclean

---
 buildscripts/_build_getopts.sh     | 12 ++++-----
 buildscripts/build_dependencies.sh | 40 +++++++++++++++++++++++++++---
 2 files changed, 42 insertions(+), 10 deletions(-)

diff --git a/buildscripts/_build_getopts.sh b/buildscripts/_build_getopts.sh
index 3e071ef14..6b5b7fad9 100755
--- a/buildscripts/_build_getopts.sh
+++ b/buildscripts/_build_getopts.sh
@@ -63,12 +63,12 @@ if [ -z ${DEPENDENCY_ENV_VARS+x} ]; then
     read -r CC CXX FC F77 CPP < <($CMD)
     unset CMD
 
-    LD_LIBRARY_PATH="${PREFIX}/lib"
-    CPPFLAGS="-isystem ${PREFIX}/include"
-    LDFLAGS="-L${PREFIX}/lib -fPIE"
-    CPATH="${PREFIX}/include}"
-    CFLAGS="-Wno-unused-but-set-variable -fPIC"
-    LIBS="-lgomp"
+    LD_LIBRARY_PATH="${PREFIX}/lib:${LD_LIBRARY_PATH}"
+    CPPFLAGS="${CPPFLAGS} -isystem ${PREFIX}/include"
+    LDFLAGS="${LDFLAGS} -L${PREFIX}/lib -fPIE"
+    CPATH="${CPATH} ${PREFIX}/include}"
+    CFLAGS="${CFLAGS} -Wno-unused-but-set-variable -fPIC"
+    LIBS="${LIBS} -lgomp"
 
     if [ $COMPILER = "GNU-Mac" ]; then
         LDFLAGS="${LDFLAGS} -Wl,-no_compact_unwind"
diff --git a/buildscripts/build_dependencies.sh b/buildscripts/build_dependencies.sh
index bb536224e..ccdebd40b 100755
--- a/buildscripts/build_dependencies.sh
+++ b/buildscripts/build_dependencies.sh
@@ -17,16 +17,48 @@ set -a
 . ${SCRIPT_DIR}/_build_getopts.sh
 ARGS=$@
 
+ZLIB_VER="1.2.13"
+HDF5_VER="1.14.1-2"
+NC_VER="4.9.2"
+NF_VER="4.6.1"
+
 printf "*********************************************************\n"
 printf "*          FETCHING DEPENCENCY SOURCES                  *\n"
 printf "*********************************************************\n"
 printf "Copying files to ${DEPENDENCY_DIR}\n"
 mkdir -p ${DEPENDENCY_DIR}
 cd $DEPENDENCY_DIR
-wget -qO- https://www.zlib.net/zlib-1.2.13.tar.gz | tar xvz
-wget -qO- https://support.hdfgroup.org/ftp/HDF5/releases/hdf5-1.14/hdf5-1.14.1/src/hdf5-1.14.1-2.tar.gz | tar xvz 
-wget -qO- https://github.com/Unidata/netcdf-c/archive/refs/tags/v4.9.2.tar.gz | tar xvz 
-wget -qO- https://github.com/Unidata/netcdf-fortran/archive/refs/tags/v4.6.1.tar.gz | tar xvz 
+if [ -d ${DEPENDENCY_DIR}/zlib-${ZLIB_VER} ]; then
+    cd ${DEPENDENCY_DIR}/zlib-${ZLIB_VER}
+    make distclean
+    cd ${DEPENDENCY_DIR}
+else
+    wget -qO- https://www.zlib.net/zlib-${ZLIB_VER}.tar.gz | tar xvz
+fi
+
+if [ -d ${DEPENDENCY_DIR}/hdf5-${HDF5_VER} ]; then
+    cd ${DEPENDENCY_DIR}/hdf5-${HDF5_VER} 
+    make distclean
+    cd ${DEPENDENCY_DIR}
+else
+    wget -qO- https://support.hdfgroup.org/ftp/HDF5/releases/hdf5-1.14/hdf5-1.14.1/src/hdf5-${HDF5_VER}.tar.gz | tar xvz 
+fi
+
+if [ -d ${DEPENDENCY_DIR}/netcdf-c-${NC_VER} ]; then
+    cd ${DEPENDENCY_DIR}/netcdf-c-${NC_VER} 
+    make distclean
+    cd ${DEPENDENCY_DIR}
+else
+    wget -qO- https://github.com/Unidata/netcdf-c/archive/refs/tags/v${NC_VER}.tar.gz | tar xvz 
+fi
+
+if [ -d ${DEPENDENCY_DIR}/netcdf-fortran-${NF_VER} ]; then
+    cd ${DEPENDENCY_DIR}/netcdf-fortran-${NF_VER} 
+    make distclean
+    cd ${DEPENDENCY_DIR}
+else
+    wget -qO- https://github.com/Unidata/netcdf-fortran/archive/refs/tags/v${NF_VER}.tar.gz | tar xvz 
+fi 
 cd $ROOT_DIR
 printf "*********************************************************\n"
 printf "*          STARTING DEPENDENCY BUILD                    *\n"