Add install rules, rpm spec, and workflow

.github/workflows/sourcegit.yml

@@ -0,0 +1,20 @@
+name: source-git build and test
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: source-git build
+        uses: gordonmessmer/source-git-action@main
+        with:
+          mock-root: 'fedora-44-x86_64'
+

Makefile

@@ -2,6 +2,11 @@ CC = gcc
 CFLAGS = -Wall -fPIC
 LDFLAGS = -shared
 
+PREFIX ?= /usr/local
+LIBDIR = $(PREFIX)/lib
+INCLUDEDIR = $(PREFIX)/include
+BINDIR = $(PREFIX)/bin
+
 UNVERSIONED_DIR = lib-unversioned
 VERSIONED_DIR = lib-versioned
 
@@ -9,7 +14,7 @@ LIB_NAME = libFoo.so
 LIB_SONAME = libFoo.so.1
 LIB_REALNAME = libFoo.so.1.0.0
 
-.PHONY: all unversioned versioned bar bar-versioned clean
+.PHONY: all unversioned versioned bar bar-versioned clean install uninstall
 
 all: unversioned bar versioned bar-versioned
 
@@ -55,3 +60,20 @@ $(VERSIONED_DIR)/$(LIB_NAME): $(VERSIONED_DIR)/$(LIB_REALNAME)
 
 clean:
 	rm -rf $(UNVERSIONED_DIR) $(VERSIONED_DIR) Bar Bar-versioned
+
+install: versioned bar
+	install -d $(DESTDIR)$(LIBDIR)
+	install -d $(DESTDIR)$(INCLUDEDIR)
+	install -d $(DESTDIR)$(BINDIR)
+	install -m 755 $(VERSIONED_DIR)/$(LIB_REALNAME) $(DESTDIR)$(LIBDIR)/$(LIB_REALNAME)
+	ln -sf $(LIB_REALNAME) $(DESTDIR)$(LIBDIR)/$(LIB_SONAME)
+	ln -sf $(LIB_REALNAME) $(DESTDIR)$(LIBDIR)/$(LIB_NAME)
+	install -m 644 foo.h $(DESTDIR)$(INCLUDEDIR)/foo.h
+	install -m 755 Bar $(DESTDIR)$(BINDIR)/Bar
+
+uninstall:
+	rm -f $(DESTDIR)$(LIBDIR)/$(LIB_REALNAME)
+	rm -f $(DESTDIR)$(LIBDIR)/$(LIB_SONAME)
+	rm -f $(DESTDIR)$(LIBDIR)/$(LIB_NAME)
+	rm -f $(DESTDIR)$(INCLUDEDIR)/foo.h
+	rm -f $(DESTDIR)$(BINDIR)/Bar

README.md

@@ -1,4 +1,4 @@
-Run `make` in both v1.0 and v1.1 to build four applications and shared libraries:
+Run `build.sh` in both v1.0 and v1.1 to build four applications and shared libraries:
 
  * v1.0/Bar: Bar linked to libFoo v1.0 without versioned symbols
  * v1.0/Bar-versioned: Bar linked to libFoo v1.0 with versioned symbols
@@ -9,7 +9,7 @@ This is intended to demonstrate three things:
 
 ## Adding versioned symbols to a library is a backward compatible change
 
-`./Bar` is linked to a library without versioned symbols, but can be
+Each `Bar` is linked to a library without versioned symbols, but can be
 run with the library after versioned symbols are added.
 
 ```
@@ -24,7 +24,7 @@ Usage: ./Bar <width> <height> <perimeter|area>
 
 ## Adding features to the library is a backward compatible change
 
-The version of `./Bar` in the v1.0 directory can be used with the libraries
+The version of `Bar` in the v1.0 directory can be used with the libraries
 in the v1.1 directory.
 
 ```
@@ -40,7 +40,7 @@ Usage: ./Bar <width> <height> <perimeter>
 ## Libraries are not forward compatible with new binaries
 
 The reverse of the previous arrangement does not work. The version of
-`./Bar` in the v1.1 directory cannot be used with the libraries in the
+`Bar` in the v1.1 directory cannot be used with the libraries in the
 v1.0 directory.
 
 ```

build.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+# Minimal build script
+
+set -e
+
+# Build
+make
+
+branch=$(git branch --show-current)
+mkdir $branch
+cp -r Bar Bar-versioned lib-unversioned lib-versioned $branch

libFoo.spec

@@ -0,0 +1,37 @@
+# Bar is built with an invalid rpath for demo purposes. Disable rpath check:
+%global __brp_check_rpaths %{nil}
+%global debug_package %{nil}
+
+Name:           libFoo
+Version:        1.0
+Release:        %autorelease
+Summary:        A simple library
+License:        MIT
+Source0:        %{name}-%{version}.tar.gz
+
+BuildRequires: gcc
+BuildRequires: make
+
+%description
+A simple example spec file for Fedora.
+
+%prep
+%setup -q
+
+%build
+%make_build
+
+%install
+%make_install PREFIX=%{_prefix} LIBDIR=%{_libdir}
+
+%check
+
+%files
+%{_bindir}/Bar
+%{_includedir}/foo.h
+%{_libdir}/libFoo.so
+%{_libdir}/libFoo.so.1
+%{_libdir}/libFoo.so.1.0.0
+
+%changelog
+%autochangelog