Use lazka's version of the include meson.build

Author: SolarLiner

include/meson.build

@@ -1,9 +1,7 @@
 sass_inc = include_directories('.')
 version_h = configure_file(input: 'sass/version.h.in', output: 'version.h',
-  configuration: {'PACKAGE_VERSION': meson.version()},
-  install: true,
-  install_dir: get_option('includedir') / 'sass'
+  configuration: {'PACKAGE_VERSION': meson.version()}
 )
 
-install_subdir('sass', install_dir: get_option('includedir'), exclude_files: ['meson.build', 'sass/version.h', 'sass/version.h.in'])
-install_headers('sass.h', 'sass2scss.h')
+install_subdir('sass', install_dir: get_option('includedir'), exclude_files: ['version.h', 'version.h.in'])
+install_headers('sass.h', 'sass2scss.h', version_h, subdir: 'sass')

meson.build

@@ -1,4 +1,4 @@
-project('libsass', 'c', 'cpp', version: '3.6.4', meson_version: '>=0.48', default_options: ['c_std=c11','cpp_std=c++11'])
+project('libsass', 'c', 'cpp', version: '3.6.4', meson_version: '>=0.49', default_options: ['c_std=c11','cpp_std=c++11'])
 cpp = meson.get_compiler('cpp')
 if target_machine.system() == 'windows'
   add_project_arguments('-D_WIN32', cpp.get_supported_arguments('-Wno-non-virtual-dtor'), language: 'cpp')