diff --git a/attributes/Makefile.am b/attributes/Makefile.am
index d4730e0607fb3eaf94d37e2d0d67037bd0e40ecd..5685a7a3a4b910eb87f3763a910eb65494d42b21 100644
--- a/attributes/Makefile.am
+++ b/attributes/Makefile.am
@@ -33,7 +33,9 @@ noinst_LTLIBRARIES = libattributes.la
 YAML_FILES=maestro-schema-schema.yaml maestro-core.yaml user.yaml ecmwf.yaml 
 EXTRA_DIST=$(YAML_FILES) \
            schema_type_parse.peg schema_type_parse.c schema_type_parse.h 
-#BUILT_SOURCES = schema_type_parse.c schema_type_parse.h
+	   maestro-core-yaml.h ecmwf.yaml.h
+BUILT_SOURCES = maestro-core-yaml.h ecmwf-yaml.h
+
 
 libattributes_la_CPPFLAGS = \
 		-I$(top_srcdir) \
@@ -47,6 +49,7 @@ libattributes_la_SOURCES = \
 	attribute_schema.h attribute_schema.c \
 	maestro-schema.h maestro-schema.c\
         schema_type_parse.c schema_type_parse.h \
+	maestro-core-yaml.h ecmwf-yaml.h \
 	symtab.h symtab.c 
 
 #nodist_libattributes_la_SOURCES = \
@@ -74,3 +77,8 @@ uninstall-local:
         done
 	-rmdir $(DESTDIR)$(datadir)/maestro/schemas
 	-rmdir $(DESTDIR)$(datadir)/maestro
+
+maestro-core-yaml.h: maestro-core.yaml
+	xxd -i $< | sed -e 's/unsigned int/const unsigned int/' > $@
+ecmwf-yaml.h: ecmwf.yaml
+	xxd -i $< | sed -e 's/unsigned int/const unsigned int/' > $@
diff --git a/attributes/ecmwf-yaml.h b/attributes/ecmwf-yaml.h
new file mode 100644
index 0000000000000000000000000000000000000000..1877d843d2035e10d21c85b68353dd03ba64bff3
--- /dev/null
+++ b/attributes/ecmwf-yaml.h
@@ -0,0 +1,158 @@
+unsigned char ecmwf_yaml[] = {
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+};
+const unsigned int ecmwf_yaml_len = 1855;
diff --git a/attributes/maestro-core-yaml.h b/attributes/maestro-core-yaml.h
new file mode 100644
index 0000000000000000000000000000000000000000..86ba36e0b31c8aa6af84a49c8546b86ec820d7fd
--- /dev/null
+++ b/attributes/maestro-core-yaml.h
@@ -0,0 +1,285 @@
+unsigned char maestro_core_yaml[] = {
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+  0x6e, 0x61, 0x6c, 0x6c, 0x6f, 0x63, 0x61, 0x74, 0x65, 0x64, 0x2e, 0x0a,
+  0x0a, 0x20, 0x20, 0x23, 0x20, 0x4c, 0x61, 0x79, 0x6f, 0x75, 0x74, 0x73,
+  0x0a, 0x20, 0x20, 0x23, 0x20, 0x44, 0x69, 0x73, 0x74, 0x72, 0x69, 0x62,
+  0x75, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x0a, 0x0a, 0x0a, 0x23, 0x20, 0x28,
+  0x65, 0x6e, 0x64, 0x20, 0x6f, 0x66, 0x20, 0x6d, 0x61, 0x65, 0x73, 0x74,
+  0x72, 0x6f, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x79, 0x61, 0x6d, 0x6c,
+  0x29, 0x0a, 0x0a
+};
+const unsigned int maestro_core_yaml_len = 3375;
diff --git a/attributes/maestro-schema.c b/attributes/maestro-schema.c
index d8c21d992ed6301c766f749fbe64ad898ddd55ba..5b39d10114c439264e0ab2fe3eadda48d64b8485 100644
--- a/attributes/maestro-schema.c
+++ b/attributes/maestro-schema.c
@@ -40,6 +40,21 @@
 #include <errno.h>
 #include <sys/stat.h>
 
+/* hard-coded versions of the schemata, so that we do not have to parse a file at startup if we don't want to */
+#include "maestro-core-yaml.h"
+#include "ecmwf-yaml.h"
+
+#define NUM_BUILTIN_SCHEMATA 2
+const struct {
+  unsigned char *schema;
+  unsigned int schema_size;
+} builtin_schema_texts[NUM_BUILTIN_SCHEMATA] =
+{ /* be sure to keep the maestro core one first */
+  [0] = { .schema = maestro_core_yaml, .schema_size = maestro_core_yaml_len},
+  [1] = { .schema = ecmwf_yaml, .schema_size = ecmwf_yaml_len},
+};
+  
+
 /** The C data structures to hold a parsed schema
  **/