feat(c): Add pkgconfig support to Meson build system

c/driver/flightsql/meson.build

@@ -47,6 +47,11 @@ adbc_driver_flightsql_lib = custom_target(
  install_dir : '.',
 )
 
+pkg.generate(
+ adbc_driver_flightsql_lib,
+ filebase: 'adbc-driver-flightsql',
+)
+
 if get_option('tests')
  exc = executable(
  'adbc-driver-flightsql-test',

c/driver/postgresql/meson.build

@@ -32,6 +32,11 @@ adbc_postgres_driver_lib = library(
  dependencies: [nanoarrow_dep, fmt_dep, libpq_dep],
 )
 
+pkg.generate(
+ adbc_postgresql_driver_lib,
+ filebase: 'adbc-driver-postgresql',
+)
+
 if get_option('tests')
  postgres_tests = {
  'driver-postgresql': {

c/driver/snowflake/meson.build

@@ -47,6 +47,11 @@ adbc_driver_snowflake_lib = custom_target(
  install_dir : '.',
 )
 
+pkg.generate(
+ adbc_driver_snowflake_lib,
+ filebase: 'adbc-driver-snowflake',
+)
+
 if get_option('tests')
  exc = executable(
  'adbc-driver-snowflake-test',

c/driver/sqlite/meson.build

@@ -34,6 +34,11 @@ adbc_sqlite3_driver_lib = library(
  c_args: ['-DSIZEOF_TIME_T=' + time_t_size.to_string()],
 )
 
+pkg.generate(
+ adbc_sqlite3_driver_lib,
+ filebase: 'adbc-driver-sqlite',
+)
+
 if get_option('tests')
  exc = executable(
  'adbc-driver-sqlite-test',

c/driver_manager/meson.build

@@ -22,3 +22,8 @@ adbc_driver_manager_lib = library(
  include_directories: [root_dir],
  install: true,
 )
+
+pkg.generate(
+ adbc_driver_manager_lib,
+ filebase: 'adbc-driver-manager',
+)

c/meson.build

@@ -48,6 +48,8 @@ endif
 needs_driver_manager = get_option('driver_manager') \
  or get_option('tests')
 
+pkg = import('pkgconfig')
+
 if needs_driver_manager
  subdir('driver_manager')
 endif