add examples for dynamic linking / loading

one example by doing it manually with an ugly Makefile,
another one by using autotools.

Signed-off-by: Manuel Traut <manut@linutronix.de>

1 files changed, 20 insertions, 0 deletions

diff --git a/schulung_tools/linking/helloat/Makefile.am b/schulung_tools/linking/helloat/Makefile.am
new file mode 100644
index 0000000..6dccd03
--- /dev/null
+++ b/schulung_tools/linking/helloat/Makefile.am
@@ -0,0 +1,20 @@
+bin_PROGRAMS = hello hello2
+
+hello_SOURCES = hello.c
+hello_LDFLAGS = -lfunc
+hello2_SOURCES = hello.c
+hello2_LDFLAGS = -static -lfunc
+
+lib_LTLIBRARIES = libfunc.la
+# 1) If the library source code has changed at all since the last update, then
+#    increment revision ("c:r:a" becomes "c:r+1:a").
+# 2) If any interfaces have been added, removed, or changed since the last
+#    update, increment current, and set revision to 0.
+# 3) If any interfaces have been added since the last public release,
+#    then increment age.
+# 4) If any interfaces have been removed or changed since the last public
+#    release, then set age to 0.
+libfunc_la_LDFLAGS = -release @PACKAGE_VERSION@ -version-info 0:0:0
+libfunc_la_SOURCES = func1.c func2.c
+
+ACLOCAL_AMFLAGS = '-I m4'