build: add meson dep overrides for all internal libs

This allows for subprojects to depend on the internal Lix build and have
it work properly.

Change-Id: Iaf05725fb95ea8abb171c71a1b17b0062c89f548

lix/libcmd/meson.build

@@ -75,6 +75,7 @@ liblixcmd = declare_dependency(
   include_directories : include_directories('../..'),
   link_with : libcmd,
 )
+meson.override_dependency('lix-cmd', liblixcmd)
 
 # FIXME: not using the pkg-config module because it creates way too many deps
 # while meson migration is in progress, and we want to not include boost here

lix/libexpr/meson.build

@@ -308,6 +308,7 @@ if is_static
 else
   liblixexpr_mstatic = liblixexpr
 endif
+meson.override_dependency('lix-expr', liblixexpr_mstatic)
 
 # FIXME: not using the pkg-config module because it creates way too many deps
 # while meson migration is in progress, and we want to not include boost here

lix/libfetchers/meson.build

@@ -95,3 +95,4 @@ if is_static
 else
   liblixfetchers_mstatic = liblixfetchers
 endif
+meson.override_dependency('lix-fetchers', liblixfetchers_mstatic)

lix/libmain/meson.build

@@ -36,6 +36,7 @@ liblixmain = declare_dependency(
   include_directories : include_directories('../..'),
   link_with : libmain,
 )
+meson.override_dependency('lix-main', liblixmain)
 
 # FIXME: not using the pkg-config module because it creates way too many deps
 # while meson migration is in progress, and we want to not include boost here

lix/libstore/meson.build

@@ -378,6 +378,7 @@ if is_static
 else
   liblixstore_mstatic = liblixstore
 endif
+meson.override_dependency('lix-store', liblixstore_mstatic)
 
 # FIXME: not using the pkg-config module because it creates way too many deps
 # while meson migration is in progress, and we want to not include boost here

lix/libutil/meson.build

@@ -344,3 +344,4 @@ if is_static
 else
   liblixutil_mstatic = liblixutil
 endif
+meson.override_dependency('lix-util', liblixutil_mstatic)