+pkgconf_SUBST = s!@'PACKAGE'@!$(PACKAGE)!g; \
+ s!@'VERSION'@!$(VERSION)!g; \
+ s!@'prefix'@!$(prefix)!g; \
+ s!@'exec_prefix'@!$(exec_prefix)!g; \
+ s!@'libdir'@!$(libdir)!g; \
+ s!@'includedir'@!$(includedir)!g; \
+ s!@'libflags"@!$${libflags}$(pkgconf_LIBFLAGS)!g;"' \
+ s!@'incflags"@!$${incflags}$(pkgconf_INCFLAGS)!g;"' \
+ s!@'pkgincflags"@!$${pkgincflags}$(pkgconf_PKGINCFLAGS)!g;"' \
+ s!@'pkgincludedir'@!$(pkgincludedir)!g
+