-# provide headers in builddir, so they do not end up in /usr/include/ext/psi/src
+# provide headers in builddir, so they do not end up in a "src" subdirectory
PHP_PSI_HEADERS := $(addprefix $(PHP_PSI_BUILDDIR)/,$(PHP_PSI_HEADERS))
PHP_PSI_SOURCES := $(addprefix $(PHP_PSI_SRCDIR)/,$(PHP_PSI_SOURCES))
PHP_PSI_GENERATED:=$(addprefix $(PHP_PSI_SRCDIR)/,$(PHP_PSI_GENERATED))
+$(PHP_PSI_BUILDDIR)/calc:
+ mkdir -p $@
+$(PHP_PSI_BUILDDIR)/calc/%.h: $(PHP_PSI_SRCDIR)/src/calc/%.h | $(PHP_PSI_BUILDDIR)/calc
+ @cat >$@ <$<
$(PHP_PSI_BUILDDIR)/types:
mkdir -p $@
$(PHP_PSI_BUILDDIR)/types/%.h: $(PHP_PSI_SRCDIR)/src/types/%.h | $(PHP_PSI_BUILDDIR)/types