meson: improve subproject builds
Add meson subproject wrapfiles for all the openbmc projects we utilize
and fix the missing dependency for cereal. There is still a missing
dependency for the `ldap.h` that prevents a full wrap-based build.
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: If3a5836c3ff9a34d5624c60ac00c8fd46bfba20b
diff --git a/.gitignore b/.gitignore
index 7cc63e3..33981e7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,8 @@
+# Meson ignores.
+build*/
+subprojects/*
+!subprojects/*.wrap
+
# Template from
# https://github.com/github/gitignore/blob/master/Autotools.gitignore