Add simple c-helloworld source for tests

Signed-off-by: Matthew Johnson <matthew.johnson@intel.com>

autospec/testfiles/c-helloworld/Makefile

@@ -0,0 +1,9 @@
+DESTDIR ?=
+PREFIX ?= /usr/local
+
+helloworld:
+	gcc main.c -o helloworld
+
+install: helloworld
+	install -m 0755 -d $(DESTDIR)$(PREFIX)/bin
+	install -m 0755 helloworld $(DESTDIR)$(PREFIX)/bin

autospec/testfiles/c-helloworld/autospecdir/buildreq_add

@@ -0,0 +1,3 @@
+# This file contains additional build requirements that did not get
+# picked up automatically. One name per line, no whitespace.
+xz

autospec/testfiles/c-helloworld/autospecdir/buildreq_ban

@@ -0,0 +1,2 @@
+# This file contains build requirements that get picked up but are
+# undesirable. One entry per line, no whitespace.

autospec/testfiles/c-helloworld/autospecdir/c-helloworld.license

@@ -0,0 +1 @@
+GPL-3.0

autospec/testfiles/c-helloworld/autospecdir/pkgconfig_add

@@ -0,0 +1,2 @@
+# This file contains additional pkgconfig build requirements that did
+# not get picked up automatically. One name per line, no whitespace.

autospec/testfiles/c-helloworld/autospecdir/pkgconfig_ban

@@ -0,0 +1,2 @@
+# This file contains pkgconfig build requirements that get picked up
+# but are undesirable. One entry per line, no whitespace.

autospec/testfiles/c-helloworld/expectations.py

@@ -0,0 +1,13 @@
+"""
+This file, expectations.py, defines expected test results and is not added to
+the test source tarball.
+"""
+import os
+
+buildreqs = ['xz']
+license = 'GPL-3.0'
+with open('testfiles/c-helloworld/spec-expectations', 'r') as spec:
+    specfile = spec.read()
+
+specfile = specfile.replace('{}', os.getcwd()).split('\n')
+output_strings = []

autospec/testfiles/c-helloworld/main.c

@@ -0,0 +1,3 @@
+#include<stdio.h>
+int main(){printf("Hello World\n");}
+

autospec/testfiles/c-helloworld/spec-expectations

@@ -0,0 +1,31 @@
+#
+# This file is auto-generated. DO NOT EDIT
+# Generated by: autospec.py
+#
+Name     : c-helloworld
+Version  : 1
+Release  : 1
+URL      : file://{}/testfiles/c-helloworld.tar.gz
+Source0  : file://{}/testfiles/c-helloworld.tar.gz
+Summary  : No detailed summary available
+Group    : Development/Tools
+License  : GPL-3.0
+BuildRequires : xz
+
+%description
+No detailed description available
+
+%prep
+%setup -q -n c-helloworld
+
+%build
+export LANG=C
+make V=1  %{?_smp_mflags}
+
+%install
+rm -rf %{buildroot}
+%make_install
+
+%files
+%defattr(-,root,root,-)
+/usr/local/bin/helloworld