Initial version of foo, a simple library dependency

alexlarsson · Nov 23, 2020 · 3e8d3c3 · 3e8d3c3
commit 3e8d3c3
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diff --git a/Makefile b/Makefile
@@ -0,0 +1,23 @@
+PREFIX=/usr
+LIBDIR = ${PREFIX}/lib
+INCLUDEDIR = ${PREFIX}/include
+DATADIR = ${PREFIX}/share
+
+SOVERSION=1.0.0
+
+all: libfoo.so.$(SOVERSION)
+
+foo.o: foo.c
+	$(CC) -c -fpic foo.c $(CFLAGS) $(CPPFLAGS)
+
+libfoo.so.$(SOVERSION): foo.o
+	$(CC) -shared ${LDFLAGS} -Wl,-soname,libfoo.so.1 -o libfoo.so.$(SOVERSION) foo.o
+
+install: libfoo.so.$(SOVERSION)
+	mkdir -p $(DESTDIR)$(LIBDIR)
+	install libfoo.so.$(SOVERSION) $(DESTDIR)$(LIBDIR)/
+	(cd $(DESTDIR)$(LIBDIR) && ln -s -f libfoo.so.$(SOVERSION) libfoo.so.1 && ln -s libfoo.so.$(SOVERSION) libfoo.so )
+	mkdir -p $(DESTDIR)$(INCLUDEDIR)
+	install foo.h $(DESTDIR)$(INCLUDEDIR)
+	mkdir -p $(DESTDIR)$(DATADIR)/foo
+	install readme.txt $(DESTDIR)$(DATADIR)/foo
diff --git a/foo.c b/foo.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include "foo.h"
+
+void
+do_the_foo (int v)
+{
+  printf ("foo: %d\n", v);
+}
diff --git a/foo.h b/foo.h
@@ -0,0 +1 @@
+void do_the_foo (int v);
diff --git a/readme.txt b/readme.txt
@@ -0,0 +1 @@
+This is a simple example of a C library dependency.