From 15646244ba8bc59fdeafae5248b6e4529bcb7d13 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Tue, 6 Jul 2004 11:43:37 +0000
Subject: [PATCH] * Some trivial Nix Make examples.

---
 examples/trivial/default.nix |  8 ++++++++
 examples/trivial/hello.c     |  7 +++++++
 lib/compile-c.sh             |  3 +++
 lib/default.nix              | 17 +++++++++++++++++
 lib/link.sh                  | 10 ++++++++++
 5 files changed, 45 insertions(+)
 create mode 100644 examples/trivial/default.nix
 create mode 100644 examples/trivial/hello.c
 create mode 100644 lib/compile-c.sh
 create mode 100644 lib/default.nix
 create mode 100644 lib/link.sh

diff --git a/examples/trivial/default.nix b/examples/trivial/default.nix
new file mode 100644
index 000000000..3ee30ecb6
--- /dev/null
+++ b/examples/trivial/default.nix
@@ -0,0 +1,8 @@
+let {
+
+  inherit (import ../../lib) compileC link;
+
+  hello = link {objects = compileC {main = ./hello.c;};};
+
+  body = [hello];
+}
\ No newline at end of file
diff --git a/examples/trivial/hello.c b/examples/trivial/hello.c
new file mode 100644
index 000000000..237ad8ffe
--- /dev/null
+++ b/examples/trivial/hello.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main(int argc, char * * argv)
+{
+    printf("Hello World\n");
+    return 0;
+}
diff --git a/lib/compile-c.sh b/lib/compile-c.sh
new file mode 100644
index 000000000..0b7ffaad5
--- /dev/null
+++ b/lib/compile-c.sh
@@ -0,0 +1,3 @@
+. $stdenv/setup
+mkdir $out
+gcc -Wall -c $main -o $out/$(basename $main).o
diff --git a/lib/default.nix b/lib/default.nix
new file mode 100644
index 000000000..0cbe0367e
--- /dev/null
+++ b/lib/default.nix
@@ -0,0 +1,17 @@
+rec {
+
+  inherit (import /home/eelco/nixpkgs/pkgs/system/i686-linux.nix) stdenv;
+
+  compileC = {main}: stdenv.mkDerivation {
+    name = "compile-c";
+    builder = ./compile-c.sh;
+    inherit main;
+  };
+
+  link = {objects}: stdenv.mkDerivation {
+    name = "link";
+    builder = ./link.sh;
+    inherit objects;
+  };
+  
+}
diff --git a/lib/link.sh b/lib/link.sh
new file mode 100644
index 000000000..6dc762ad4
--- /dev/null
+++ b/lib/link.sh
@@ -0,0 +1,10 @@
+. $stdenv/setup
+
+objs=
+for i in "$objects"; do
+    obj=$i/*.o
+    objs="$objs $obj"
+done
+
+mkdir $out
+gcc -o $out/program $objs