abacus: remove meson build system

meson.build

@@ -1,13 +0,0 @@
-project(
-  'abacus',
-  'cpp',
-  version: '0.0.0',
-  license: 'MIT',
-  default_options: [
-    'warning_level=3',
-    'cpp_std=c++17',
-  ],
-)
-
-subdir('src')
-subdir('tests')

src/bignum/meson.build

@@ -1,16 +0,0 @@
-bignum_sources = files(
-  'bignum.cc',
-  'bignum.hh',
-)
-
-bignum_inc = include_directories('.')
-
-bignum_lib = static_library(
-  'bignum',
-  sources: bignum_sources,
-)
-
-bignum = declare_dependency(
-  link_with: bignum_lib,
-  include_directories: bignum_inc,
-)

src/meson.build

@@ -1,16 +0,0 @@
-abacus_sources = files(
-  'abacus.cc',
-)
-
-subdir('bignum')
-subdir('parse')
-
-abacus = executable(
-  'abacus',
-  sources: abacus_sources,
-  dependencies: [
-    bignum,
-    parse,
-  ],
-  install: true,
-)

src/parse/meson.build

@@ -1,48 +0,0 @@
-flex_binary = find_program('flex', required: true)
-lexer_sources = custom_target(
-  'lexer_sources',
-  input: 'scanner.ll',
-  output: 'scanner.cc',
-  command: [
-    flex_binary,
-    '-o',
-    '@OUTPUT@',
-    '@INPUT@',
-  ],
-)
-
-bison_binary = find_program('bison', required: true)
-parser_sources = custom_target(
-  'parser_sources',
-  input: 'parser.yy',
-  output: [
-    'parser.cc',
-    'parser.hh',
-  ],
-  command: [
-    bison_binary,
-    '@INPUT@',
-    '--output=@OUTPUT0@',
-    '--defines=@OUTPUT1@',
-    '--graph',
-    # FIXME: html output in bison 3.7.90
-  ],
-)
-
-parse_inc = include_directories('.')
-
-parse_lib = static_library(
-  'parser',
-  'parser-driver.cc',
-  'parser-driver.hh',
-  lexer_sources,
-  parser_sources,
-  dependencies: [
-    bignum,
-  ],
-)
-
-parse = declare_dependency(
-  link_with: parse_lib,
-  include_directories: parse_inc,
-)

tests/meson.build

@@ -1 +0,0 @@
-subdir('unit')

tests/unit/meson.build

@@ -1,26 +0,0 @@
-gtest = dependency(
-  'gtest',
-  main: true,
-  required: false,
-)
-
-if gtest.found()
-  unit_test_sources = files(
-    'bignum.cc',
-  )
-
-  unit_tests = executable(
-    'unit_tests',
-    sources: unit_test_sources,
-    dependencies: [
-      bignum,
-      gtest,
-    ],
-  )
-
-  test(
-    'unit tests',
-    unit_tests,
-    protocol: 'gtest',
-  )
-endif