WIP on blog for libpq pipeline with code and graph

Author: Craig Ringer

postgresql/blog_libpq_pipeline/Makefile

@@ -0,0 +1,12 @@
+PG_CONFIG?=pg_config
+ifeq ($(shell $(PG_CONFIG) --version),)
+$(error could not find pg_config as $(PG_CONFIG), try explicit PG_CONFIG var)
+endif
+
+CPATH+=:$(shell $(PG_CONFIG) --includedir):$(shell $(PG_CONFIG) --includedir-server)
+CFLAGS+=$(shell $(PG_CONFIG) --cflags)
+CPPFLAGS+=$(shell $(PG_CONFIG) --cppflags)
+
+export CPATH CFLAGS CPPFLAGS
+
+async_sample: async_sample.c