6 files changed, 66 insertions, 0 deletions
diff --git a/src/backend/optimizer/geqo/meson.build b/src/backend/optimizer/geqo/meson.build
new file mode 100644
index 00000000000..c04f1dc2dfd
--- /dev/null
+++ b/src/backend/optimizer/geqo/meson.build
@@ -0,0 +1,17 @@
+backend_sources += files(
+  'geqo_copy.c',
+  'geqo_cx.c',
+  'geqo_erx.c',
+  'geqo_eval.c',
+  'geqo_main.c',
+  'geqo_misc.c',
+  'geqo_mutation.c',
+  'geqo_ox1.c',
+  'geqo_ox2.c',
+  'geqo_pmx.c',
+  'geqo_pool.c',
+  'geqo_px.c',
+  'geqo_random.c',
+  'geqo_recombination.c',
+  'geqo_selection.c',
+)
diff --git a/src/backend/optimizer/meson.build b/src/backend/optimizer/meson.build
new file mode 100644
index 00000000000..1ab1d9934ae
--- /dev/null
+++ b/src/backend/optimizer/meson.build
@@ -0,0 +1,5 @@
+subdir('geqo')
+subdir('path')
+subdir('plan')
+subdir('prep')
+subdir('util')
diff --git a/src/backend/optimizer/path/meson.build b/src/backend/optimizer/path/meson.build
new file mode 100644
index 00000000000..310042e7aee
--- /dev/null
+++ b/src/backend/optimizer/path/meson.build
@@ -0,0 +1,11 @@
+backend_sources += files(
+  'allpaths.c',
+  'clausesel.c',
+  'costsize.c',
+  'equivclass.c',
+  'indxpath.c',
+  'joinpath.c',
+  'joinrels.c',
+  'pathkeys.c',
+  'tidpath.c',
+)
diff --git a/src/backend/optimizer/plan/meson.build b/src/backend/optimizer/plan/meson.build
new file mode 100644
index 00000000000..22ec65a3845
--- /dev/null
+++ b/src/backend/optimizer/plan/meson.build
@@ -0,0 +1,10 @@
+backend_sources += files(
+  'analyzejoins.c',
+  'createplan.c',
+  'initsplan.c',
+  'planagg.c',
+  'planmain.c',
+  'planner.c',
+  'setrefs.c',
+  'subselect.c',
+)
diff --git a/src/backend/optimizer/prep/meson.build b/src/backend/optimizer/prep/meson.build
new file mode 100644
index 00000000000..4549a5b0e79
--- /dev/null
+++ b/src/backend/optimizer/prep/meson.build
@@ -0,0 +1,7 @@
+backend_sources += files(
+  'prepagg.c',
+  'prepjointree.c',
+  'prepqual.c',
+  'preptlist.c',
+  'prepunion.c',
+)
diff --git a/src/backend/optimizer/util/meson.build b/src/backend/optimizer/util/meson.build
new file mode 100644
index 00000000000..e7ceaf566b5
--- /dev/null
+++ b/src/backend/optimizer/util/meson.build
@@ -0,0 +1,16 @@
+backend_sources += files(
+  'appendinfo.c',
+  'clauses.c',
+  'inherit.c',
+  'joininfo.c',
+  'orclauses.c',
+  'paramassign.c',
+  'pathnode.c',
+  'placeholder.c',
+  'plancat.c',
+  'predtest.c',
+  'relnode.c',
+  'restrictinfo.c',
+  'tlist.c',
+  'var.c',
+)