rename pkgconfig --> variables

Author: hugary1995

.github/workflows/cmake_integration.yml .github/workflows/integration.yml.github/workflows/cmake_integration.yml renamed to .github/workflows/integration.yml

@@ -1,4 +1,4 @@
-name: CMake integration
+name: Downstream integration
 
 on:
   push:
@@ -69,12 +69,4 @@ jobs:
           cmake --preset release -GNinja -S neml2-src -B neml2-build
           cmake --build neml2-build
           cmake --install neml2-build --prefix neml2-install --component libneml2
-      - name: Create an example CMake project
-        run: |
-          cp neml2-src/cmake/gnumake/main.cxx .
-          cp neml2-src/cmake/gnumake/Makefile.txt .
-      - name: Configure with CMake
-        run: cmake -GNinja -Dneml2_ROOT=neml2-install -B build -S .
-      - name: Compile
-        run: cmake --build build
-      - run: ./build/foo
+      - name: Create an example project using

src/tools/CMakeLists.txt

@@ -42,7 +42,7 @@ add_tool(run)
 add_tool(inspect)
 add_tool(time)
 add_tool(syntax)
-add_tool(pkgconfig)
+add_tool(variables)
 
 # ------------------------------------------------------------------------------
 # benchmarks

src/tools/pkgconfig.cxx src/tools/variables.cxxsrc/tools/pkgconfig.cxx renamed to src/tools/variables.cxx

@@ -31,7 +31,7 @@
 int
 main(int argc, char * argv[])
 {
-  argparse::ArgumentParser program("pkgconfig");
+  argparse::ArgumentParser program("variables");
   program.add_description("Query build and install metadata for integrating NEML2 from makefiles.");
 
   auto & query = program.add_mutually_exclusive_group(true);