add build test for check_cfg - close #59

build_tests/configure/check_cfg.rb

@@ -0,0 +1,7 @@
+configure do
+  check_cfg program: "my-config"
+end
+
+Rscons::Environment.new(echo: :command) do |env|
+  env.Program("myconfigtest", "simple.c")
+end

build_tests/configure/simple.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+    printf("This is a simple C program\n");
+}

lib/rscons/configure_op.rb

@@ -85,7 +85,7 @@ module Rscons
       if package = options[:package]
         Ansi.write($stdout, "Checking for package '", :cyan, package, :reset, "'... ")
       elsif program = options[:program]
-        Ansi.write($stdout, "Checking ", :cyan, program, :reset, "... ")
+        Ansi.write($stdout, "Checking '", :cyan, program, :reset, "'... ")
       end
       program ||= "pkg-config"
       args = options[:args] || %w[--cflags --libs]

spec/build_tests_spec.rb

@@ -1756,6 +1756,22 @@ EOF
         expect(result.stdout).to match /Checking for program 'program-that-is-not-found'... not found/
       end
     end
+
+    context "check_cfg" do
+      it "stores flags and uses them during a build operation" do
+        test_dir "configure"
+        create_exe "my-config", "echo '-DMYCONFIG -lm'"
+        result = run_rscons(rsconsfile: "check_cfg.rb", op: "configure")
+        expect(result.stderr).to eq ""
+        expect(result.status).to eq 0
+        expect(result.stdout).to match /Checking 'my-config'\.\.\. found/
+        result = run_rscons(rsconsfile: "check_cfg.rb", op: "build")
+        expect(result.stderr).to eq ""
+        expect(result.status).to eq 0
+        expect(result.stdout).to match /gcc.*-o.*\.o.*-DMYCONFIG/
+        expect(result.stdout).to match /gcc.*-o myconfigtest.*-lm/
+      end
+    end
   end
 
 end