From 3b48433ec910b0b21cbc86ce7ca9dff5d62ca22f Mon Sep 17 00:00:00 2001
From: Wesley Irvin <wesley@wesirvin.com>
Date: Sun, 4 Feb 2024 13:17:57 -0500
Subject: [PATCH] First build system

First draft of a build system. This will run the hello function from our
library.
---
 .gitignore            |  2 ++
 build-all.sh          | 29 +++++++++++++++++++++++++++++
 quantum/build.sh      | 23 +++++++++++++++++++++++
 quantum/src/test.c    |  5 +++++
 quantum/src/test.h    |  1 +
 test_stuff/build.sh   | 15 +++++++++++++++
 test_stuff/src/main.c |  7 +++++++
 7 files changed, 82 insertions(+)
 create mode 100755 build-all.sh
 create mode 100755 quantum/build.sh
 create mode 100644 quantum/src/test.c
 create mode 100644 quantum/src/test.h
 create mode 100755 test_stuff/build.sh
 create mode 100644 test_stuff/src/main.c

diff --git a/.gitignore b/.gitignore
index cd531cf..a9c7abd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,3 +52,5 @@ Module.symvers
 Mkfile.old
 dkms.conf
 
+# Ignore /bin directory
+/bin
diff --git a/build-all.sh b/build-all.sh
new file mode 100755
index 0000000..04b478f
--- /dev/null
+++ b/build-all.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+#
+# Build script to build everything
+
+set echo on
+
+mkdir -p bin/
+
+echo "Building all.."
+
+pushd quantum
+source build.sh
+popd
+
+ERRORLEVEL=$?
+if [ $ERRORLEVEL -ne 0 ]; then
+	echo "Error:"$ERRORLEVEL && exit
+fi
+
+pushd test_stuff
+source build.sh
+popd
+
+ERRORLEVEL=$?
+if [ $ERRORLEVEL -ne 0 ]; then
+	echo "Error:"$ERRORLEVEL && exit
+fi
+
+echo "All assemblies built successfully!!!!"
diff --git a/quantum/build.sh b/quantum/build.sh
new file mode 100755
index 0000000..2a8ec71
--- /dev/null
+++ b/quantum/build.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+#
+# Build script for quantum
+
+set echo on
+
+mkdir -p build/
+
+# Get a list of all the .c files.
+cFilenames=$(find . -type f -name "*.c")
+
+assembly="quantum"
+objLocation="build/libquantum.o"
+compilerFlags="-g -c -fpic"
+includeFlags="-Isrc"
+
+echo "Building $assembly..."
+
+# First we need to compile down to .o files
+gcc $cFilenames $compilerFlags -o $objLocation $includeFlags
+
+compilerFlags="-g -shared"
+gcc $objLocation $compilerFlags -o ../bin/libquantum.so $includeFlags
diff --git a/quantum/src/test.c b/quantum/src/test.c
new file mode 100644
index 0000000..aa57d7b
--- /dev/null
+++ b/quantum/src/test.c
@@ -0,0 +1,5 @@
+#include <stdio.h>
+
+#include "test.h"
+
+void hello_quantum() { printf("Hello from Quantum!\n"); }
diff --git a/quantum/src/test.h b/quantum/src/test.h
new file mode 100644
index 0000000..db254d7
--- /dev/null
+++ b/quantum/src/test.h
@@ -0,0 +1 @@
+void hello_quantum();
diff --git a/test_stuff/build.sh b/test_stuff/build.sh
new file mode 100755
index 0000000..6241524
--- /dev/null
+++ b/test_stuff/build.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+#Build script for test_stuff
+
+set echo on
+
+# Get a list of all the .c files.
+cFilenames=$(find . -type f -name "*.c")
+
+assembly="test_stuff"
+compilerFlags="-g -fpic"
+includeFlags="-Isrc -I../quantum/src/"
+linkerFlags="-L../bin/ -lquantum -Wl,-rpath,."
+
+echo "Building $assembly..."
+gcc $cFilenames $compilerFlags -o ../bin/$assembly $includeFlags $linkerFlags
diff --git a/test_stuff/src/main.c b/test_stuff/src/main.c
new file mode 100644
index 0000000..c3564fa
--- /dev/null
+++ b/test_stuff/src/main.c
@@ -0,0 +1,7 @@
+#include <test.h>
+
+int main() {
+  hello_quantum();
+
+  return 0;
+}