Create build-jim-ext for building extensions

Simplifies the process of building loadable extensions

Signed-off-by: Steve Bennett <steveb@workware.net.au>

1 files changed, 29 insertions, 0 deletions

diff --git a/examples.ext/Makefile b/examples.ext/Makefile
new file mode 100644
index 0000000..fa5cfc6
--- /dev/null
+++ b/examples.ext/Makefile
@@ -0,0 +1,29 @@
+# Note that if cross compiling, build with:
+#
+#   make NOTEST=1
+#
+# to avoid trying to load the resulting module.
+# Also note that you will need a build-host version of jimsh in the
+# PATH in order to build the extension.
+
+# Prefer jimsh in the PATH because it is more likely to be built
+# for the build-host rather than the target.
+
+ifdef NOTEST
+BUILDOPTS := --notest
+endif
+
+export PATH := $(PATH):..
+
+all: helloworld.so
+
+helloworld.so: helloworld.c
+	../build-jim-ext -I.. -L.. $(BUILDOPTS) $^
+
+# Note: Currently we don't attempt to set LD_LIBRARY_PATH or equivalent
+
+test:
+	JIMLIB=. ../jimsh -e 'package require helloworld; hello'
+
+clean:
+	rm -f *.o *.so