From e81fe5d3f3b34dafd65b5cef0dcdb1a8aef8c2ce Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Fri, 30 Dec 2022 05:00:23 -0700
Subject: [PATCH 01/20] now testing with g2c_compare utility

---
 CMakeLists.txt             | 10 ++++++++++
 tests/CMakeLists.txt       |  7 ++++++-
 tests/run_copygb2_tests.sh |  7 +++++--
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6d3e9d26..2728a439 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,6 +43,16 @@ find_package(w3emc 2.9.2 REQUIRED)
 find_package(g2 3.4.0 REQUIRED)
 if (g2_VERSION GREATER_EQUAL 3.5.0)
   find_package(g2c 1.7.0 REQUIRED)
+else()
+  find_package(g2c 1.7.0)
+endif()
+
+# See if the g2c_compare program is available.
+find_program(G2C_COMPARE g2c_compare)
+if (G2C_COMPARE)
+  message(STATUS "g2c_compare found: ${G2C_COMPARE}")
+else()
+  message(STATUS "g2c_compare not found.")
 endif()
 
 # The name of the bacio library changed with the 2.5.0 release. The
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 8bc75289..0f3363e5 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -71,11 +71,16 @@ gu_copy_test_data(ref_gdaswave.t00z.wcoast.0p16.f000_2.grib2.idx)
 # Run these shell tests.
 gu_test(run_cnvgrib_tests)
 gu_test(run_copygb_tests)
-gu_test(run_copygb2_tests)
 gu_test(run_degrib2_tests)
 gu_test(run_grbindex_tests)
 gu_test(run_grb2index_tests)
 
+# This test depends on the g2c_compare utility, which may not be
+# present.
+if (G2C_COMPARE)
+  gu_test(run_copygb2_tests)
+endif()
+
 # Does the user want to get extra test files from the FTP site, and
 # run extra tests on them?
 if(FTP_TEST_FILES)
diff --git a/tests/run_copygb2_tests.sh b/tests/run_copygb2_tests.sh
index b15635a2..4bc79e9c 100755
--- a/tests/run_copygb2_tests.sh
+++ b/tests/run_copygb2_tests.sh
@@ -10,12 +10,15 @@ echo "*** Running copygb2 test"
 # Copy GRIB2 file.
 ../src/copygb2/copygb2 -x data/ref_gdaswave.t00z.wcoast.0p16.f000.grib2 test_gdaswave_2.grib2
 
+# Are the files the same?
+g2c_compare -v data/ref_gdaswave.t00z.wcoast.0p16.f000.grib2 test_gdaswave_2.grib2
+
 # Create an index of the copied file.
-../src/grb2index/grb2index test_gdaswave_2.grib2 test_gdaswave_2.idx
+#../src/grb2index/grb2index test_gdaswave_2.grib2 test_gdaswave_2.idx
 
 # Check against expected output. First 120 bytes contain differences,
 # so ignore them.
-cmp -i 120 test_gdaswave_2.idx data/ref_gdaswave_2.idx
+#cmp -i 120 test_gdaswave_2.idx data/ref_gdaswave_2.idx
 
 echo "*** SUCCESS!"
 exit 0

From b2acec9b3edf890fbe748f4211134f6959986f21 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Sat, 31 Dec 2022 09:17:27 -0700
Subject: [PATCH 02/20] chanign CI

---
 .github/workflows/Linux_versions.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/Linux_versions.yml b/.github/workflows/Linux_versions.yml
index e4358957..36666f5c 100644
--- a/.github/workflows/Linux_versions.yml
+++ b/.github/workflows/Linux_versions.yml
@@ -21,8 +21,8 @@ jobs:
       matrix:
         g2-version: [3.4.5, 3.4.x]
         bacio-version: [2.4.1, 2.5.0]
-        jasper-version: [2.0.33]
-        w3emc-version: [2.9.2, 2.9.3]
+        jasper-version: [4.0.0]
+        w3emc-version: [2.9.3]
 
     steps:
     - name: install-dependencies

From a405c7123ea7abf3d4e35341746f9764fb073351 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Sat, 31 Dec 2022 09:23:48 -0700
Subject: [PATCH 03/20] CI

---
 .github/workflows/Linux_versions.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/Linux_versions.yml b/.github/workflows/Linux_versions.yml
index 36666f5c..8ab60a8c 100644
--- a/.github/workflows/Linux_versions.yml
+++ b/.github/workflows/Linux_versions.yml
@@ -21,7 +21,7 @@ jobs:
       matrix:
         g2-version: [3.4.5, 3.4.x]
         bacio-version: [2.4.1, 2.5.0]
-        jasper-version: [4.0.0]
+        jasper-version: [2.0.33]
         w3emc-version: [2.9.3]
 
     steps:

From 480eb801366404f6e69c0d01d0f5470a2649d73e Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Sat, 31 Dec 2022 09:32:14 -0700
Subject: [PATCH 04/20] CI

---
 .github/workflows/developer.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/developer.yml b/.github/workflows/developer.yml
index 629ae9d4..129852c4 100644
--- a/.github/workflows/developer.yml
+++ b/.github/workflows/developer.yml
@@ -160,6 +160,7 @@ jobs:
         mkdir build && cd build
         ls -l ~/jasper/lib
         export LD_LIBRARY_PATH=/home/runner/jasper/lib
+        export PATH="/home/runner/g2c/bin/g2c_compare:$PATH"
         cmake -DENABLE_DOCS=ON -DCMAKE_BUILD_TYPE=Debug -DCMAKE_PREFIX_PATH="~/bacio;~/jasper;~/sp;~/ip;~/w3emc;~/g2;~/g2c" -DCMAKE_Fortran_FLAGS="-fprofile-arcs -ftest-coverage -O0 -Wall" -DCMAKE_C_FLAGS="-fprofile-arcs -ftest-coverage -O0 -Wall" ..
         make -j2 VERBOSE=1
         ctest --output-on-failure --rerun-failed --verbose

From 8d809e4cf6b4568c55fb897f3fb4a79fcc989c73 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Mon, 9 Jan 2023 07:52:20 +0100
Subject: [PATCH 05/20] changed version of sp in developer CI workflow

---
 .github/workflows/developer.yml | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/developer.yml b/.github/workflows/developer.yml
index 129852c4..c0a65000 100644
--- a/.github/workflows/developer.yml
+++ b/.github/workflows/developer.yml
@@ -1,15 +1,18 @@
+# This is a GitHub actions CI workflow for the NCEPLIBS-grib_util
+# project.
+#
+# This workflow tests the build as a developer would do it, with
+# address sanitizer and documentation build.
+#
+# Ed Hartnett 1/9/23
 name: developer
 on:
   push:
     branches:
     - develop
-    paths-ignore:
-    - README.md
   pull_request:
     branches:
     - develop
-    paths-ignore:
-    - README.md
 
 jobs:
   developer:
@@ -67,14 +70,23 @@ jobs:
         make -j2
         make install
 
+    - name: cache-sp
+      id: cache-sp
+      uses: actions/cache@v2
+      with:
+        path: ~/sp
+        key: sp-developer-${{ runner.os }}-2.3.3
+
     - name: checkout-sp
+      if: steps.cache-sp.outputs.cache-hit != 'true'
       uses: actions/checkout@v2
       with:
         repository: NOAA-EMC/NCEPLIBS-sp
         path: sp
-        ref: develop
+        ref: v2.3.3
 
     - name: build-sp
+      if: steps.cache-sp.outputs.cache-hit != 'true'
       run: |
         cd sp
         mkdir build

From 5df79d3c5386f3ef7c233c7939e3123dedf108ce Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Thu, 19 Jan 2023 07:58:34 +0100
Subject: [PATCH 06/20] CI cleanup

---
 .github/workflows/Intel.yml          | 10 +++++-----
 .github/workflows/Linux_versions.yml | 10 ++++++----
 .github/workflows/MacOS.yml          |  9 +++++----
 .github/workflows/developer.yml      | 10 ++++++----
 4 files changed, 22 insertions(+), 17 deletions(-)

diff --git a/.github/workflows/Intel.yml b/.github/workflows/Intel.yml
index 0e303c9d..6c3495e6 100644
--- a/.github/workflows/Intel.yml
+++ b/.github/workflows/Intel.yml
@@ -1,16 +1,16 @@
+# This is a GitHub actions workflow for the NCEPLIBS-grib_util project.
+#
+# This workflow builds with the intel compiler.
+#
+# Ed Hartnett 1/19/23
 name: Intel
 on:
   push:
     branches:
     - develop
-    paths-ignore:
-    - README.md
   pull_request:
     branches:
     - develop
-    paths-ignore:
-    - README.md
-
 
 # Use custom shell with -l so .bash_profile is sourced which loads intel/oneapi/setvars.sh
 # without having to do it in manually every step
diff --git a/.github/workflows/Linux_versions.yml b/.github/workflows/Linux_versions.yml
index e4358957..ac4e35b8 100644
--- a/.github/workflows/Linux_versions.yml
+++ b/.github/workflows/Linux_versions.yml
@@ -1,15 +1,17 @@
+# This is a GitHub actions workflow for the NCEPLIBS-grib_util project.
+#
+# This workflow builds on Linux with different versions of dependent
+# packages.
+#
+# Ed Hartnett 1/19/23
 name: Linux_versions
 on:
   push:
     branches:
     - develop
-    paths-ignore:
-    - README.md
   pull_request:
     branches:
     - develop
-    paths-ignore:
-    - README.md
 
 jobs:
   Linux_versions:
diff --git a/.github/workflows/MacOS.yml b/.github/workflows/MacOS.yml
index 0de66dd1..8938eb60 100644
--- a/.github/workflows/MacOS.yml
+++ b/.github/workflows/MacOS.yml
@@ -1,15 +1,16 @@
+# This is a GitHub actions workflow for the NCEPLIBS-grib_util project.
+#
+# This workflow builds on MacOS.
+#
+# Ed Hartnett 1/19/23
 name: MacOS
 on:
   push:
     branches:
     - develop
-    paths-ignore:
-    - README.md
   pull_request:
     branches:
     - develop
-    paths-ignore:
-    - README.md
 
 jobs:
   MacOS: 
diff --git a/.github/workflows/developer.yml b/.github/workflows/developer.yml
index 629ae9d4..5ba73b6c 100644
--- a/.github/workflows/developer.yml
+++ b/.github/workflows/developer.yml
@@ -1,15 +1,17 @@
+# This is a GitHub actions workflow for the NCEPLIBS-grib_util project.
+#
+# This workflow does the developer run, with documentation build and
+# code coverage.
+#
+# Ed Hartnett 1/19/23
 name: developer
 on:
   push:
     branches:
     - develop
-    paths-ignore:
-    - README.md
   pull_request:
     branches:
     - develop
-    paths-ignore:
-    - README.md
 
 jobs:
   developer:

From 54f5064e0c3ef2aca59d1477c88474fb303ffc28 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Wed, 25 Jan 2023 10:42:26 +0100
Subject: [PATCH 07/20] getting tests to pass

---
 tests/run_copygb2_tests.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/run_copygb2_tests.sh b/tests/run_copygb2_tests.sh
index 4bc79e9c..3cf8bea0 100755
--- a/tests/run_copygb2_tests.sh
+++ b/tests/run_copygb2_tests.sh
@@ -11,7 +11,7 @@ echo "*** Running copygb2 test"
 ../src/copygb2/copygb2 -x data/ref_gdaswave.t00z.wcoast.0p16.f000.grib2 test_gdaswave_2.grib2
 
 # Are the files the same?
-g2c_compare -v data/ref_gdaswave.t00z.wcoast.0p16.f000.grib2 test_gdaswave_2.grib2
+#g2c_compare -v data/ref_gdaswave.t00z.wcoast.0p16.f000.grib2 test_gdaswave_2.grib2
 
 # Create an index of the copied file.
 #../src/grb2index/grb2index test_gdaswave_2.grib2 test_gdaswave_2.idx

From 955c381b91c295ea600e9411c03f933d95d72cfa Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Wed, 25 Jan 2023 14:11:53 +0100
Subject: [PATCH 08/20] trying to fix CI

---
 .github/workflows/developer.yml | 2 +-
 tests/run_copygb2_tests.sh      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/developer.yml b/.github/workflows/developer.yml
index c0a65000..53faad75 100644
--- a/.github/workflows/developer.yml
+++ b/.github/workflows/developer.yml
@@ -172,7 +172,7 @@ jobs:
         mkdir build && cd build
         ls -l ~/jasper/lib
         export LD_LIBRARY_PATH=/home/runner/jasper/lib
-        export PATH="/home/runner/g2c/bin/g2c_compare:$PATH"
+        export PATH="~/g2c/bin:$PATH"
         cmake -DENABLE_DOCS=ON -DCMAKE_BUILD_TYPE=Debug -DCMAKE_PREFIX_PATH="~/bacio;~/jasper;~/sp;~/ip;~/w3emc;~/g2;~/g2c" -DCMAKE_Fortran_FLAGS="-fprofile-arcs -ftest-coverage -O0 -Wall" -DCMAKE_C_FLAGS="-fprofile-arcs -ftest-coverage -O0 -Wall" ..
         make -j2 VERBOSE=1
         ctest --output-on-failure --rerun-failed --verbose
diff --git a/tests/run_copygb2_tests.sh b/tests/run_copygb2_tests.sh
index 3cf8bea0..4bc79e9c 100755
--- a/tests/run_copygb2_tests.sh
+++ b/tests/run_copygb2_tests.sh
@@ -11,7 +11,7 @@ echo "*** Running copygb2 test"
 ../src/copygb2/copygb2 -x data/ref_gdaswave.t00z.wcoast.0p16.f000.grib2 test_gdaswave_2.grib2
 
 # Are the files the same?
-#g2c_compare -v data/ref_gdaswave.t00z.wcoast.0p16.f000.grib2 test_gdaswave_2.grib2
+g2c_compare -v data/ref_gdaswave.t00z.wcoast.0p16.f000.grib2 test_gdaswave_2.grib2
 
 # Create an index of the copied file.
 #../src/grb2index/grb2index test_gdaswave_2.grib2 test_gdaswave_2.idx

From a0f05cb32f9eaea998af082c7e6758b08f114f1b Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Wed, 25 Jan 2023 14:17:12 +0100
Subject: [PATCH 09/20] trying to fix CI

---
 tests/run_copygb2_tests.sh | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/tests/run_copygb2_tests.sh b/tests/run_copygb2_tests.sh
index 4bc79e9c..b94397d8 100755
--- a/tests/run_copygb2_tests.sh
+++ b/tests/run_copygb2_tests.sh
@@ -13,12 +13,5 @@ echo "*** Running copygb2 test"
 # Are the files the same?
 g2c_compare -v data/ref_gdaswave.t00z.wcoast.0p16.f000.grib2 test_gdaswave_2.grib2
 
-# Create an index of the copied file.
-#../src/grb2index/grb2index test_gdaswave_2.grib2 test_gdaswave_2.idx
-
-# Check against expected output. First 120 bytes contain differences,
-# so ignore them.
-#cmp -i 120 test_gdaswave_2.idx data/ref_gdaswave_2.idx
-
 echo "*** SUCCESS!"
 exit 0

From 5dff7012b567076e369a8d3ee30bb7eef84c8ec7 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Wed, 25 Jan 2023 14:21:04 +0100
Subject: [PATCH 10/20] more jasper versions

---
 .github/workflows/Linux_versions.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/Linux_versions.yml b/.github/workflows/Linux_versions.yml
index 9ccada60..444eaeac 100644
--- a/.github/workflows/Linux_versions.yml
+++ b/.github/workflows/Linux_versions.yml
@@ -23,7 +23,7 @@ jobs:
       matrix:
         g2-version: [3.4.5, 3.4.x]
         bacio-version: [2.4.1, 2.5.0]
-        jasper-version: [2.0.33]
+        jasper-version: [2.0.33, 3.0.5, 4.0.0]
         w3emc-version: [2.9.3]
 
     steps:

From b44f89487242e798a1ff8e5fb8c93af99febdbb9 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Wed, 25 Jan 2023 14:23:53 +0100
Subject: [PATCH 11/20] less versions

---
 .github/workflows/Linux_versions.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/Linux_versions.yml b/.github/workflows/Linux_versions.yml
index 444eaeac..c93e0225 100644
--- a/.github/workflows/Linux_versions.yml
+++ b/.github/workflows/Linux_versions.yml
@@ -22,8 +22,9 @@ jobs:
     strategy:
       matrix:
         g2-version: [3.4.5, 3.4.x]
-        bacio-version: [2.4.1, 2.5.0]
-        jasper-version: [2.0.33, 3.0.5, 4.0.0]
+#        bacio-version: [2.4.1, 2.5.0]
+        bacio-version: [2.5.0]
+        jasper-version: [2.0.33, 3.0.5]
         w3emc-version: [2.9.3]
 
     steps:

From f7dfab4f4b551d0257f825db5da75966fd00cb52 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Wed, 25 Jan 2023 15:45:23 +0100
Subject: [PATCH 12/20] less versions

---
 .github/workflows/Linux_versions.yml | 4 ++--
 .github/workflows/developer.yml      | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/Linux_versions.yml b/.github/workflows/Linux_versions.yml
index c93e0225..a9f465f8 100644
--- a/.github/workflows/Linux_versions.yml
+++ b/.github/workflows/Linux_versions.yml
@@ -22,9 +22,9 @@ jobs:
     strategy:
       matrix:
         g2-version: [3.4.5, 3.4.x]
-#        bacio-version: [2.4.1, 2.5.0]
+        bacio-version: [2.4.1, 2.5.0]
         bacio-version: [2.5.0]
-        jasper-version: [2.0.33, 3.0.5]
+        jasper-version: [2.0.33]
         w3emc-version: [2.9.3]
 
     steps:
diff --git a/.github/workflows/developer.yml b/.github/workflows/developer.yml
index 53faad75..2ff72f9e 100644
--- a/.github/workflows/developer.yml
+++ b/.github/workflows/developer.yml
@@ -37,7 +37,7 @@ jobs:
       with:
         repository: jasper-software/jasper
         path: jasper
-        ref: version-2.0.33
+        ref: version-3.0.5
 
     - name: cache-jasper
       id: cache-jasper

From ce5c6fd11da36fb38ed10ea6bbeb3f511898f988 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Wed, 25 Jan 2023 15:51:04 +0100
Subject: [PATCH 13/20] another workflow

---
 .github/workflows/Linux_external.yml | 194 +++++++++++++++++++++++++++
 1 file changed, 194 insertions(+)
 create mode 100644 .github/workflows/Linux_external.yml

diff --git a/.github/workflows/Linux_external.yml b/.github/workflows/Linux_external.yml
new file mode 100644
index 00000000..c46d64ff
--- /dev/null
+++ b/.github/workflows/Linux_external.yml
@@ -0,0 +1,194 @@
+# This is a GitHub actions workflow for the NCEPLIBS-grib_util project.
+#
+# This workflow builds on Linux with latest versions of NCEPLIBS and
+# different versions jasper.
+#
+# Ed Hartnett 1/19/23
+name: Linux_versions
+on:
+  push:
+    branches:
+    - develop
+  pull_request:
+    branches:
+    - develop
+
+jobs:
+  Linux_versions:
+    runs-on: ubuntu-latest
+    env:
+      FC: gfortran-11
+      CC: gcc-11
+    strategy:
+      matrix:
+        g2-version: [develop, 3.4.x]
+        bacio-version: [2.5.0]
+        jasper-version: [2.0.33, 3.0.5]
+        w3emc-version: [2.9.3]
+
+    steps:
+    - name: install-dependencies
+      run: |
+        sudo apt-get update &> /dev/null
+        sudo apt-get install libpng-dev libjpeg-dev 
+          
+    - name: cache-jasper
+      id: cache-jasper
+      uses: actions/cache@v2
+      with:
+        path: ~/jasper
+        key: jasper-Linux_versions-${{ matrix.jasper-version }}
+
+    - name: checkout-jasper
+      if: steps.cache-jasper.outputs.cache-hit != 'true'
+      uses: actions/checkout@v2
+      with:
+        repository: jasper-software/jasper
+        path: jasper
+        ref: version-${{ matrix.jasper-version }}
+
+    - name: build-jasper
+      if: steps.cache-jasper.outputs.cache-hit != 'true'
+      run: |
+        cd jasper
+        mkdir b && cd b
+        cmake .. -DCMAKE_INSTALL_PREFIX=~/jasper
+        make -j2
+        make install
+
+    - name: cache-bacio
+      id: cache-bacio
+      uses: actions/cache@v2
+      with:
+        path: ~/bacio
+        key: bacio-${{ runner.os }}-v${{ matrix.bacio-version }}
+
+    - name: checkout-bacio
+      if: steps.cache-bacio.outputs.cache-hit != 'true'
+      uses: actions/checkout@v2
+      with:
+        repository: NOAA-EMC/NCEPLIBS-bacio
+        path: bacio
+        ref: v${{ matrix.bacio-version }}
+    
+    - name: build-bacio
+      if: steps.cache-bacio.outputs.cache-hit != 'true'
+      run: |
+        cd bacio
+        mkdir build && cd build
+        cmake .. -DCMAKE_INSTALL_PREFIX=~/bacio
+        make -j2
+        make install
+
+    - name: cache-sp
+      id: cache-sp
+      uses: actions/cache@v2
+      with:
+        path: ~/sp
+        key: sp-${{ runner.os }}-2.3.3-1
+
+    - name: checkout-sp
+      if: steps.cache-sp.outputs.cache-hit != 'true'
+      uses: actions/checkout@v2
+      with:
+        repository: NOAA-EMC/NCEPLIBS-sp
+        path: sp
+        ref: v2.3.3
+
+    - name: build-sp
+      if: steps.cache-sp.outputs.cache-hit != 'true'
+      run: |
+        cd sp
+        mkdir build
+        cd build
+        cmake .. -DCMAKE_INSTALL_PREFIX=~/sp
+        make -j2
+        make install
+          
+    - name: cache-w3emc
+      id: cache-w3emc
+      uses: actions/cache@v2
+      with:
+        path: ~/w3emc
+        key: w3emc-${{ runner.os }}-${{ matrix.w3emc-version }}-bacio-${{ matrix.bacio-version }}
+
+    - name: checkout-w3emc
+      if: steps.cache-w3emc.outputs.cache-hit != 'true'
+      uses: actions/checkout@v2
+      with:
+        repository: NOAA-EMC/NCEPLIBS-w3emc
+        path: w3emc
+        ref: v${{ matrix.w3emc-version }}
+
+    - name: build-w3emc
+      if: steps.cache-w3emc.outputs.cache-hit != 'true'
+      run: |
+        cd w3emc
+        mkdir build
+        cd build
+        cmake .. -DCMAKE_PREFIX_PATH=~/bacio -DCMAKE_INSTALL_PREFIX=~/w3emc
+        make -j2
+        make install
+          
+    - name: cache-ip
+      id: cache-ip
+      uses: actions/cache@v2
+      with:
+        path: ~/ip
+        key: ip-${{ runner.os }}-3.3.3
+
+    - name: checkout-ip
+      if: steps.cache-ip.outputs.cache-hit != 'true'
+      uses: actions/checkout@v2
+      with:
+        repository: NOAA-EMC/NCEPLIBS-ip
+        path: ip
+        ref: v3.3.3
+
+    - name: build-ip
+      if: steps.cache-ip.outputs.cache-hit != 'true'
+      run: |
+        cd ip
+        mkdir build
+        cd build
+        cmake .. -DCMAKE_INSTALL_PREFIX=~/ip -DCMAKE_PREFIX_PATH=~/sp
+        make -j2
+        make install
+          
+    - name: cache-g2
+      id: cache-g2
+      uses: actions/cache@v2
+      with:
+        path: ~/g2
+        key: g2-${{ runner.os }}-${{ matrix.bacio-version }}-${{ matrix.jasper-version }}-${{ matrix.w3emc-version }}-${{ matrix.g2-version }}
+
+    - name: checkout-g2
+      if: steps.cache-g2.outputs.cache-hit != 'true'
+      uses: actions/checkout@v2
+      with:
+        repository: NOAA-EMC/NCEPLIBS-g2
+        path: g2
+        ref: v${{ matrix.g2-version }}
+
+    - name: build-g2
+      if: steps.cache-g2.outputs.cache-hit != 'true'
+      run: |
+        cd g2
+        mkdir build
+        cd build
+        cmake -DCMAKE_INSTALL_PREFIX=~/g2 -DCMAKE_PREFIX_PATH="~/bacio;~/jasper;~/w3emc" ..
+        make -j2
+        make install
+                 
+    - name: checkout-grib_utils
+      uses: actions/checkout@v2
+      with: 
+        path: grib_utils
+
+    - name: build-grib_utils
+      run: |
+        cd grib_utils
+        mkdir build && cd build
+        cmake -DCMAKE_PREFIX_PATH="~/bacio;~/jasper;~/sp;~/ip;~/w3emc;~/g2" ..
+        make -j2 VERBOSE=1
+        ctest --output-on-failure --rerun-failed --verbose

From 9c7a9b7822b6f53a16a09e2415cc17fb50366dc2 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Wed, 25 Jan 2023 15:55:18 +0100
Subject: [PATCH 14/20] another workflow

---
 .github/workflows/Linux_external.yml | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/Linux_external.yml b/.github/workflows/Linux_external.yml
index c46d64ff..d46a263a 100644
--- a/.github/workflows/Linux_external.yml
+++ b/.github/workflows/Linux_external.yml
@@ -21,7 +21,7 @@ jobs:
       CC: gcc-11
     strategy:
       matrix:
-        g2-version: [develop, 3.4.x]
+        g2-version: [develop, v3.4.x]
         bacio-version: [2.5.0]
         jasper-version: [2.0.33, 3.0.5]
         w3emc-version: [2.9.3]
@@ -155,23 +155,15 @@ jobs:
         make -j2
         make install
           
-    - name: cache-g2
-      id: cache-g2
-      uses: actions/cache@v2
-      with:
-        path: ~/g2
-        key: g2-${{ runner.os }}-${{ matrix.bacio-version }}-${{ matrix.jasper-version }}-${{ matrix.w3emc-version }}-${{ matrix.g2-version }}
-
     - name: checkout-g2
       if: steps.cache-g2.outputs.cache-hit != 'true'
       uses: actions/checkout@v2
       with:
         repository: NOAA-EMC/NCEPLIBS-g2
         path: g2
-        ref: v${{ matrix.g2-version }}
+        ref: ${{ matrix.g2-version }}
 
     - name: build-g2
-      if: steps.cache-g2.outputs.cache-hit != 'true'
       run: |
         cd g2
         mkdir build

From 228fd2893416d74021fca4083dc98adcbb3aee48 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Wed, 25 Jan 2023 16:06:56 +0100
Subject: [PATCH 15/20] another workflow

---
 .github/workflows/developer.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/developer.yml b/.github/workflows/developer.yml
index 2ff72f9e..7d943c9c 100644
--- a/.github/workflows/developer.yml
+++ b/.github/workflows/developer.yml
@@ -156,6 +156,7 @@ jobs:
         mkdir build
         cd build
         echo $LD_LIBRARY_PATH
+        export PATH="~/g2c/bin:$PATH"
         pwd
         cmake -DCMAKE_INSTALL_PREFIX=~/g2 -DCMAKE_PREFIX_PATH="~/bacio;~/jasper;~/w3emc;~/g2c" ..
         make -j2

From 080d8c54bb7dc1c070c22438d0f0c495b71dc695 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Wed, 25 Jan 2023 16:12:15 +0100
Subject: [PATCH 16/20] another workflow

---
 .github/workflows/Linux_versions.yml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/.github/workflows/Linux_versions.yml b/.github/workflows/Linux_versions.yml
index a9f465f8..9ccada60 100644
--- a/.github/workflows/Linux_versions.yml
+++ b/.github/workflows/Linux_versions.yml
@@ -23,7 +23,6 @@ jobs:
       matrix:
         g2-version: [3.4.5, 3.4.x]
         bacio-version: [2.4.1, 2.5.0]
-        bacio-version: [2.5.0]
         jasper-version: [2.0.33]
         w3emc-version: [2.9.3]
 

From 198a365735a4f0a70ffbd3663226a7b0fd022f22 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Thu, 26 Jan 2023 09:16:31 +0100
Subject: [PATCH 17/20] more changes to CI

---
 .github/workflows/Linux_external.yml | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/Linux_external.yml b/.github/workflows/Linux_external.yml
index d46a263a..4ad161cb 100644
--- a/.github/workflows/Linux_external.yml
+++ b/.github/workflows/Linux_external.yml
@@ -4,7 +4,7 @@
 # different versions jasper.
 #
 # Ed Hartnett 1/19/23
-name: Linux_versions
+name: Linux_external
 on:
   push:
     branches:
@@ -14,7 +14,7 @@ on:
     - develop
 
 jobs:
-  Linux_versions:
+  Linux_external:
     runs-on: ubuntu-latest
     env:
       FC: gfortran-11
@@ -155,6 +155,22 @@ jobs:
         make -j2
         make install
           
+    - name: checkout-g2c
+      uses: actions/checkout@v2
+      with:
+        repository: NOAA-EMC/NCEPLIBS-g2c
+        path: g2c
+        ref: develop
+
+    - name: build-g2c
+      run: |
+        cd g2c
+        mkdir build
+        cd build
+        cmake -DCMAKE_INSTALL_PREFIX=~/g2c -DCMAKE_PREFIX_PATH="~/jasper" ..
+        make -j2
+        make install
+                 
     - name: checkout-g2
       if: steps.cache-g2.outputs.cache-hit != 'true'
       uses: actions/checkout@v2
@@ -168,7 +184,7 @@ jobs:
         cd g2
         mkdir build
         cd build
-        cmake -DCMAKE_INSTALL_PREFIX=~/g2 -DCMAKE_PREFIX_PATH="~/bacio;~/jasper;~/w3emc" ..
+        cmake -DCMAKE_INSTALL_PREFIX=~/g2 -DCMAKE_PREFIX_PATH="~/bacio;~/jasper;~/w3emc;~/g2c" ..
         make -j2
         make install
                  

From efdb3eba970d7601bbb5b381ed60e31a903952a5 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Thu, 26 Jan 2023 09:18:30 +0100
Subject: [PATCH 18/20] more changes to CI

---
 .github/workflows/Linux_external.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/Linux_external.yml b/.github/workflows/Linux_external.yml
index 4ad161cb..7b8e7881 100644
--- a/.github/workflows/Linux_external.yml
+++ b/.github/workflows/Linux_external.yml
@@ -197,6 +197,6 @@ jobs:
       run: |
         cd grib_utils
         mkdir build && cd build
-        cmake -DCMAKE_PREFIX_PATH="~/bacio;~/jasper;~/sp;~/ip;~/w3emc;~/g2" ..
+        cmake -DCMAKE_PREFIX_PATH="~/bacio;~/jasper;~/sp;~/ip;~/w3emc;~/g2;~/g2c" ..
         make -j2 VERBOSE=1
         ctest --output-on-failure --rerun-failed --verbose

From d077cfe27d2a34af0c104c32250ca2b208f25270 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Thu, 26 Jan 2023 09:20:26 +0100
Subject: [PATCH 19/20] more changes to CI

---
 .github/workflows/Linux_external.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/Linux_external.yml b/.github/workflows/Linux_external.yml
index 7b8e7881..3e618d32 100644
--- a/.github/workflows/Linux_external.yml
+++ b/.github/workflows/Linux_external.yml
@@ -197,6 +197,8 @@ jobs:
       run: |
         cd grib_utils
         mkdir build && cd build
+        export LD_LIBRARY_PATH=/home/runner/jasper/lib
+        export PATH="~/g2c/bin:$PATH"
         cmake -DCMAKE_PREFIX_PATH="~/bacio;~/jasper;~/sp;~/ip;~/w3emc;~/g2;~/g2c" ..
         make -j2 VERBOSE=1
         ctest --output-on-failure --rerun-failed --verbose

From 0f3f92ed87c2174aea07236ce16a4ae8c0348db9 Mon Sep 17 00:00:00 2001
From: Edward Hartnett <edward.hartnett@noaa.gov>
Date: Thu, 26 Jan 2023 09:24:46 +0100
Subject: [PATCH 20/20] more versions

---
 .github/workflows/Linux_external.yml | 2 +-
 .github/workflows/Linux_versions.yml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/Linux_external.yml b/.github/workflows/Linux_external.yml
index 3e618d32..960ec74e 100644
--- a/.github/workflows/Linux_external.yml
+++ b/.github/workflows/Linux_external.yml
@@ -23,7 +23,7 @@ jobs:
       matrix:
         g2-version: [develop, v3.4.x]
         bacio-version: [2.5.0]
-        jasper-version: [2.0.33, 3.0.5]
+        jasper-version: [2.0.33, 3.0.5, 4.0.0]
         w3emc-version: [2.9.3]
 
     steps:
diff --git a/.github/workflows/Linux_versions.yml b/.github/workflows/Linux_versions.yml
index 9ccada60..ac4e35b8 100644
--- a/.github/workflows/Linux_versions.yml
+++ b/.github/workflows/Linux_versions.yml
@@ -24,7 +24,7 @@ jobs:
         g2-version: [3.4.5, 3.4.x]
         bacio-version: [2.4.1, 2.5.0]
         jasper-version: [2.0.33]
-        w3emc-version: [2.9.3]
+        w3emc-version: [2.9.2, 2.9.3]
 
     steps:
     - name: install-dependencies