diff --git a/src/interfaces/ecpg/compatlib/meson.build b/src/interfaces/ecpg/compatlib/meson.build
index 5887cb92b5..b803000c70 100644
--- a/src/interfaces/ecpg/compatlib/meson.build
+++ b/src/interfaces/ecpg/compatlib/meson.build
@@ -1,11 +1,29 @@
-export_file = custom_target('libpq.exports', kwargs: gen_export_kwargs)
-
-ecpg_compat = both_libraries('libecpg_compat',
+ecpg_compat_sources = files(
   'informix.c',
-  include_directories: ['.', ecpg_inc, postgres_inc, libpq_inc],
-  c_args: ['-DSO_MAJOR_VERSION=3'],
-  dependencies: [frontend_code, thread_dep],
-  link_with: [ecpglib, ecpg_pgtypes],
+)
+ecpg_compat_so_sources = [] # for shared lib, in addition to the above
+
+ecpg_compat_inc = [include_directories('.'), ecpg_inc, libpq_inc]
+ecpg_compat_c_args = ['-DSO_MAJOR_VERSION=3']
+export_file = custom_target('libecpg_compat.exports', kwargs: gen_export_kwargs)
+
+# see src/interfaces/libpq/meson.build
+ecpg_compat_st = static_library('libecpg_compat',
+  ecpg_compat_sources,
+  include_directories: ecpg_compat_inc,
+  c_args: ecpg_compat_c_args,
+  dependencies: [frontend_stlib_code, thread_dep],
+  link_with: [ecpglib_st, ecpg_pgtypes_st],
+  kwargs: default_lib_args,
+)
+ecpg_targets += ecpg_compat_st
+
+ecpg_compat_so = shared_library('libecpg_compat',
+  ecpg_compat_sources + ecpg_compat_so_sources,
+  include_directories: ecpg_compat_inc,
+  c_args: ecpg_compat_c_args,
+  dependencies: [frontend_shlib_code, thread_dep],
+  link_with: [ecpglib_so, ecpg_pgtypes_so],
   soversion: host_system != 'windows' ? '3' : '',
   darwin_versions: ['3', '3.' + pg_version_major.to_string()],
   version: '3.' + pg_version_major.to_string(),
@@ -13,10 +31,13 @@ ecpg_compat = both_libraries('libecpg_compat',
   link_depends: export_file,
   kwargs: default_lib_args,
 )
-ecpg_targets += [ecpg_compat.get_shared_lib(), ecpg_compat.get_static_lib()]
+ecpg_targets += ecpg_compat_so
 
 pkgconfig.generate(
-  ecpg_compat.get_shared_lib(),
+  name: 'libecpg_compat',
   description: 'PostgreSQL libecpg_compat library',
   url: pg_url,
+  libraries: ecpg_compat_so,
+  libraries_private: [frontend_stlib_code, thread_dep],
+  requires_private: ['libecpg', 'libpgtypes'],
 )
diff --git a/src/interfaces/ecpg/ecpglib/meson.build b/src/interfaces/ecpg/ecpglib/meson.build
index 2da029ec8e..6fdf019149 100644
--- a/src/interfaces/ecpg/ecpglib/meson.build
+++ b/src/interfaces/ecpg/ecpglib/meson.build
@@ -10,15 +10,29 @@ ecpglib_sources = files(
   'sqlda.c',
   'typename.c',
 )
+ecpglib_so_sources = [] # for shared lib, in addition to the above
 
-export_file = custom_target('libpq.exports', kwargs: gen_export_kwargs)
+ecpglib_inc = [include_directories('.'), ecpg_inc]
+ecpglib_c_args = ['-DSO_MAJOR_VERSION=6']
+export_file = custom_target('libecpg.exports', kwargs: gen_export_kwargs)
 
-ecpglib = both_libraries('libecpg',
+# see src/interfaces/libpq/meson.build
+ecpglib_st = static_library('libecpg',
   ecpglib_sources,
-  include_directories: ['.', ecpg_inc, postgres_inc],
-  c_args: ['-DSO_MAJOR_VERSION=6'],
-  dependencies: [frontend_code, libpq, thread_dep],
-  link_with: [ecpg_pgtypes],
+  include_directories: ecpglib_inc,
+  c_args: ecpglib_c_args,
+  dependencies: [frontend_stlib_code, thread_dep, libpq],
+  link_with: [ecpg_pgtypes_st],
+  kwargs: default_lib_args,
+)
+ecpg_targets += ecpglib_st
+
+ecpglib_so = shared_library('libecpg',
+  ecpglib_sources + ecpglib_so_sources,
+  include_directories: ecpglib_inc,
+  c_args: ecpglib_c_args,
+  dependencies: [frontend_shlib_code, libpq, thread_dep],
+  link_with: ecpg_pgtypes_so,
   soversion: host_system != 'windows' ? '6' : '',
   darwin_versions: ['6', '6.' + pg_version_major.to_string()],
   version: '6.' + pg_version_major.to_string(),
@@ -26,12 +40,15 @@ ecpglib = both_libraries('libecpg',
   link_depends: export_file,
   kwargs: default_lib_args,
 )
-ecpg_targets += [ecpglib.get_shared_lib(), ecpglib.get_static_lib()]
+ecpg_targets += ecpglib_so
 
 pkgconfig.generate(
-  ecpglib.get_shared_lib(),
+  name: 'libecpg',
   description: 'PostgreSQL libecpg library',
   url: pg_url,
+  libraries: ecpglib_so,
+  libraries_private: [frontend_shlib_code, thread_dep],
+  requires_private: ['libpgtypes', 'libpq'],
 )
 
 subdir('po', if_found: libintl)
diff --git a/src/interfaces/ecpg/pgtypeslib/meson.build b/src/interfaces/ecpg/pgtypeslib/meson.build
index 96489d9f1d..8e5d235810 100644
--- a/src/interfaces/ecpg/pgtypeslib/meson.build
+++ b/src/interfaces/ecpg/pgtypeslib/meson.build
@@ -6,14 +6,27 @@ ecpg_pgtypes_sources = files(
   'numeric.c',
   'timestamp.c',
 )
+ecpg_pgtypes_so_sources = [] # for shared lib, in addition to the above
 
-export_file = custom_target('libpq.exports', kwargs: gen_export_kwargs)
+export_file = custom_target('libpgtypes.exports', kwargs: gen_export_kwargs)
+ecpg_pgtypes_inc = [include_directories('.'), ecpg_inc]
+ecpg_pgtypes_c_args = ['-DSO_MAJOR_VERSION=3']
 
-ecpg_pgtypes = both_libraries('libpgtypes',
+# see src/interfaces/libpq/meson.build
+ecpg_pgtypes_st = static_library('libpgtypes',
   ecpg_pgtypes_sources,
-  include_directories: ['.', ecpg_inc, postgres_inc],
-  c_args: ['-DSO_MAJOR_VERSION=3'],
-  dependencies: [frontend_code],
+  include_directories: ecpg_pgtypes_inc,
+  c_args: ecpg_pgtypes_c_args,
+  dependencies: frontend_stlib_code,
+  kwargs: default_lib_args,
+)
+ecpg_targets += ecpg_pgtypes_st
+
+ecpg_pgtypes_so = shared_library('libpgtypes',
+  ecpg_pgtypes_sources + ecpg_pgtypes_so_sources,
+  include_directories: ecpg_pgtypes_inc,
+  c_args: ecpg_pgtypes_c_args,
+  dependencies: frontend_shlib_code,
   version: '3.' + pg_version_major.to_string(),
   soversion: host_system != 'windows' ? '3' : '',
   darwin_versions: ['3', '3.' + pg_version_major.to_string()],
@@ -21,10 +34,12 @@ ecpg_pgtypes = both_libraries('libpgtypes',
   link_depends: export_file,
   kwargs: default_lib_args,
 )
-ecpg_targets += [ecpg_pgtypes.get_shared_lib(), ecpg_pgtypes.get_static_lib()]
+ecpg_targets += ecpg_pgtypes_so
 
 pkgconfig.generate(
-  ecpg_pgtypes.get_shared_lib(),
+  name: 'libpgtypes',
   description: 'PostgreSQL libpgtypes library',
   url: pg_url,
+  libraries: ecpg_pgtypes_so,
+  libraries_private: [frontend_stlib_code],
 )
diff --git a/src/interfaces/ecpg/test/meson.build b/src/interfaces/ecpg/test/meson.build
index f0ace641f0..8904aa7fd9 100644
--- a/src/interfaces/ecpg/test/meson.build
+++ b/src/interfaces/ecpg/test/meson.build
@@ -22,7 +22,7 @@ testprep_targets += pg_regress_ecpg
 ecpg_test_exec_kw = {
   'dependencies': [frontend_code, libpq],
   'include_directories': [ecpg_inc],
-  'link_with': [ecpglib, ecpg_compat, ecpg_pgtypes],
+  'link_with': [ecpglib_so, ecpg_compat_so, ecpg_pgtypes_so],
   'build_by_default': false,
   'install': false,
 }