Add meson build system

1 files changed, 147 insertions, 0 deletions

diff --git a/contrib/meson/meson.build b/contrib/meson/meson.build
new file mode 100644
index 0000000..f1ca503
--- /dev/null
+++ b/contrib/meson/meson.build
@@ -0,0 +1,147 @@
+# #############################################################################
+# Copyright (c) 2018-present    lzutao <taolzu(at)gmail.com>
+# All rights reserved.
+#
+# This source code is licensed under both the BSD-style license (found in the
+# LICENSE file in the root directory of this source tree) and the GPLv2 (found
+# in the COPYING file in the root directory of this source tree).
+# #############################################################################
+
+project('lz4', ['c'],
+  license: ['BSD', 'GPLv2'],
+  default_options : ['c_std=c99',
+    'buildtype=release'],
+  version: '1.8.3',
+  meson_version: '>=0.47.0')
+
+cc = meson.get_compiler('c')
+pkgconfig = import('pkgconfig')
+python3 = import('python').find_installation()
+
+host_machine_os = host_machine.system()
+os_windows = 'windows'
+os_linux = 'linux'
+os_darwin = 'darwin'
+os_freebsd = 'freebsd'
+os_sun = 'sunos'
+
+cc_id = cc.get_id()
+compiler_gcc = 'gcc'
+compiler_clang = 'clang'
+compiler_msvc = 'msvc'
+
+lz4_version = meson.project_version()
+lz4_libversion = ''
+
+c_std = get_option('c_std')
+
+# =============================================================================
+# Installation directories
+# =============================================================================
+
+if host_machine_os == os_windows
+  lz4_prefix = '.'
+  lz4_bindir = 'bin'
+  lz4_datadir = 'share'
+  lz4_mandir = join_paths(lz4_datadir, 'man')
+else
+  lz4_prefix = get_option('prefix')
+  lz4_bindir = join_paths(lz4_prefix, get_option('bindir'))
+  lz4_datadir = join_paths(lz4_prefix, get_option('datadir'))
+  lz4_mandir = join_paths(lz4_prefix, get_option('mandir'))
+endif
+
+lz4_docdir = join_paths(lz4_datadir, 'doc', meson.project_name())
+
+# =============================================================================
+# Project options
+# =============================================================================
+
+buildtype = get_option('buildtype')
+
+# Built-in options
+use_debug = get_option('debug')
+
+# Custom options
+debug_level = get_option('debug_level')
+use_backtrace = get_option('backtrace')
+
+build_programs = get_option('build_programs')
+build_contrib = get_option('build_contrib')
+build_tests = get_option('build_tests')
+build_examples = get_option('build_examples')
+#feature_multi_thread = get_option('multi_thread')
+
+# =============================================================================
+# Helper scripts for Meson
+# =============================================================================
+
+GetLz4LibraryVersion_py = files('GetLz4LibraryVersion.py')
+
+# =============================================================================
+# Getting project version from lz4.h
+# =============================================================================
+
+lz4_h_file = join_paths(meson.current_source_dir(), 'lib/lz4.h')
+r = run_command(python3, GetLz4LibraryVersion_py, lz4_h_file)
+if r.returncode() == 0
+  output = r.stdout().strip()
+  if output.version_compare('>@0@'.format(lz4_version))
+    lz4_version = output
+    message('Project version is now: @0@'.format(lz4_version))
+  endif
+endif
+
+if host_machine_os != os_windows
+  lz4_libversion = lz4_version
+endif
+
+# =============================================================================
+# Dependencies
+# =============================================================================
+
+#libm_dep = cc.find_library('m', required: build_tests)
+#thread_dep = dependency('threads', required: feature_multi_thread)
+#use_multi_thread = thread_dep.found()
+
+# =============================================================================
+# Compiler flags
+# =============================================================================
+
+add_project_arguments(['-DXXH_NAMESPACE=LZ4_'], language: 'c')
+
+if [compiler_gcc, compiler_clang].contains(cc_id)
+  common_warning_flags = []
+  if buildtype == 'release'
+    common_warning_flags = ['-Werror']
+  endif
+  if c_std == 'c89' or c_std == 'gnu89'
+    common_warning_flags += ['-pedantic', '-Wno-long-long', '-Wno-variadic-macros']
+  elif c_std == 'c99' or c_std == 'gnu99'
+    common_warning_flags += ['-pedantic']
+  endif
+  cc_compile_flags = cc.get_supported_arguments(common_warning_flags)
+  add_project_arguments(cc_compile_flags, language: 'c')
+endif
+
+# =============================================================================
+# Subdirs
+# =============================================================================
+
+subdir('lib')
+
+if build_programs
+  subdir('programs')
+endif
+
+if build_tests
+  subdir('tests')
+endif
+
+if build_contrib
+  subdir('contrib')
+endif
+
+if build_examples
+  subdir('examples')
+endif