Make sure ecpg/include/ is rebuilt before the other subdirectories,
so that ecpg_config.h is up to date. This is not likely to matter
during production builds, only development, so no back-.
$(recurse)
+all-pgtypeslib-recurse all-ecpglib-recurse all-compatlib-recurse all-preproc-recurse: all-include-recurse
all-compatlib-recurse: all-ecpglib-recurse
all-ecpglib-recurse: all-pgtypeslib-recurse
+install-pgtypeslib-recurse install-ecpglib-recurse install-compatlib-recurse install-preproc-recurse: install-include-recurse
install-compatlib-recurse: install-ecpglib-recurse
install-ecpglib-recurse: install-pgtypeslib-recurse