[meson] Require 0.55.0

We implicitly require it for building ragel subproject. This new version
requirement should satisfied in both Fedora 33 and Debian bullseye, and
not be too cutting edge for us.

.circleci/config.yml

@@ -68,7 +68,7 @@ jobs:
     steps:
       - checkout
       - run: apk update && apk add ragel gcc g++ glib-dev freetype-dev cairo-dev git py3-pip ninja
-      - run: pip3 install meson==0.52.0
+      - run: pip3 install meson==0.56.0
       - run: meson build --buildtype=minsize
       - run: ninja -Cbuild -j9
       - run: meson test -Cbuild --print-errorlogs
@@ -94,7 +94,8 @@ jobs:
     steps:
       - checkout
       - run: apt update || true
-      - run: DEBIAN_FRONTEND=noninteractive apt install -y clang lld git binutils meson pkg-config ragel libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
+      - run: DEBIAN_FRONTEND=noninteractive apt install -y python3 python3-pip ninja-build clang lld git binutils pkg-config ragel libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev
+      - run: pip3 install meson==0.56.0
       # asan+ubsan
       - run: rm -rf build && meson build --default-library=static -Db_sanitize=address,undefined --buildtype=debugoptimized --wrap-mode=nodownload -Dexperimental_api=true
       - run: ninja -Cbuild -j8 && meson test -Cbuild --print-errorlogs | asan_symbolize | c++filt

docs/meson.build

@@ -49,8 +49,8 @@ ignore_headers = [
 
 gnome.gtkdoc('harfbuzz',
   main_sgml: 'harfbuzz-docs.xml',
-  src_dir: [join_paths(meson.current_source_dir(), '../src'),
-            join_paths(meson.current_build_dir(), '../src'),
+  src_dir: [meson.current_source_dir() / '..' / 'src',
+            meson.current_build_dir() / '..' / 'src',
            ],
   scan_args: ['--deprecated-guards=HB_DISABLE_DEPRECATED',
               '--ignore-decorators=HB_EXTERN|HB_DEPRECATED',

meson.build

@@ -1,5 +1,5 @@
 project('harfbuzz', 'c', 'cpp',
-  meson_version: '>= 0.52.0',
+  meson_version: '>= 0.55.0',
   version: '3.1.1',
   default_options: [
     'cpp_rtti=false',       # Just to support msvc, we are passing -fno-exceptions also anyway
@@ -141,18 +141,12 @@ if not get_option('cairo').disabled()
   endif
 
   if not cairo_dep.found()
-    # Requires Meson 0.54.0 to use cairo subproject
-    if meson.version().version_compare('>=0.54.0')
-      # Note that we don't have harfbuzz -> cairo -> freetype2 -> harfbuzz fallback
-      # dependency cycle here because we have configured freetype2 above with
-      # harfbuzz support disabled, so when cairo will lookup freetype2 dependency
-      # it will be forced to use that one.
-      cairo_dep = dependency('cairo', fallback: 'cairo', required: get_option('cairo'))
-      cairo_ft_dep = dependency('cairo-ft', fallback: 'cairo', required: get_option('cairo'))
-    elif get_option('cairo').enabled()
-      error('cairo feature is enabled but it cannot be found on the system and ' +
-            'meson>=0.54.0 is required to build it as subproject')
-    endif
+    # Note that we don't have harfbuzz -> cairo -> freetype2 -> harfbuzz fallback
+    # dependency cycle here because we have configured freetype2 above with
+    # harfbuzz support disabled, so when cairo will lookup freetype2 dependency
+    # it will be forced to use that one.
+    cairo_dep = dependency('cairo', fallback: 'cairo', required: get_option('cairo'))
+    cairo_ft_dep = dependency('cairo-ft', fallback: 'cairo', required: get_option('cairo'))
   endif
 endif
 
@@ -387,19 +381,6 @@ build_summary = {
      'Benchmark': get_option('benchmark').enabled(),
     },
 }
-if meson.version().version_compare('>=0.53')
-  foreach section_title, section : build_summary
-    summary(section, bool_yn: true, section: section_title)
-  endforeach
-else
-  summary = ['']
-  foreach section_title, section : build_summary
-    summary += '  @0@:'.format(section_title)
-    foreach feature, value : section
-      summary += '    @0@:'.format(feature)
-      summary += '          @0@'.format(value)
-    endforeach
-    summary += ''
-  endforeach
-  message('\n'.join(summary))
-endif
+foreach section_title, section : build_summary
+  summary(section, bool_yn: true, section: section_title)
+endforeach

perf/meson.build

@@ -6,12 +6,6 @@ if get_option('experimental_api') and add_languages('rust', required: false, nat
   ttf_parser_dep = subproject('ttf-parser').get_variable('ttf_parser_dep')
 endif
 
-if ttf_parser_dep.found()
-  benchmark_cpp_args = ['-DHAVE_TTFPARSER']
-else
-  benchmark_cpp_args = []
-endif
-
 benchmark('perf', executable('perf', 'perf.cc',
   dependencies: [
     google_benchmark_dep, freetype_dep,
@@ -20,8 +14,8 @@ benchmark('perf', executable('perf', 'perf.cc',
     # https://github.com/RazrFalcon/ttf-parser/issues/29
     ttf_parser_dep, thread_dep, cpp.find_library('dl'),
   ],
-  cpp_args: benchmark_cpp_args,
+  cpp_args: ttf_parser_dep.found() ? ['-DHAVE_TTFPARSER'] : [],
   include_directories: [incconfig, incsrc],
   link_with: [libharfbuzz],
   install: false,
-), workdir: join_paths(meson.current_source_dir(), '..'), timeout: 100)
+), workdir: meson.current_source_dir() / '..', timeout: 100)

src/meson.build

@@ -3,7 +3,7 @@ hb_version_h = configure_file(
                input: 'hb-version.h.in',
                output: 'hb-version.h',
                install: true,
-               install_dir: join_paths(get_option('includedir'), meson.project_name()))
+               install_dir: get_option('includedir') / meson.project_name())
 
 # Base and default-included sources and headers
 hb_base_sources = files(
@@ -569,7 +569,7 @@ cmake_config.set('have_gobject', '@0@'.format(have_gobject))
 configure_file(input: 'harfbuzz-config.cmake.in',
   output: 'harfbuzz-config.cmake',
   configuration: cmake_config,
-  install_dir: join_paths(get_option('libdir'), 'cmake', 'harfbuzz'),
+  install_dir: get_option('libdir') / 'cmake' / 'harfbuzz',
 )
 
 libharfbuzz_gobject_dep = null_dep
@@ -579,14 +579,12 @@ if have_gobject
   h_templ = configure_file(
     input: 'hb-gobject-enums.h.tmpl',
     output: 'hb-gobject-enums-tmp.h.tmpl',
-    configuration: configuration_data(),
-    format: 'cmake')
+    copy: true)
 
   cc_templ = configure_file(
     input: 'hb-gobject-enums.cc.tmpl',
     output: 'hb-gobject-enums-tmp.cc.tmpl',
-    configuration: configuration_data(),
-    format: 'cmake')
+    copy: true)
 
   enums = gnome.mkenums('hb-gobject',
     sources: hb_headers,
@@ -607,7 +605,7 @@ if have_gobject
     output: 'hb-gobject-enums.h',
     command: [find_program('fix_get_types.py'), '@INPUT@', '@OUTPUT@'],
     install: true,
-    install_dir: join_paths(get_option('prefix'), get_option('includedir'), meson.project_name()),
+    install_dir: get_option('prefix') / get_option('includedir') / meson.project_name(),
   )
 
   hb_gobject_sources += [enum_c]
@@ -658,16 +656,10 @@ if have_gobject
                     '--cflags-end'])
   endif
 
-  if build_gir
-    libharfbuzz_gobject_sources = hb_gen_files_gir
-  else
-    libharfbuzz_gobject_sources = hb_gobject_sources
-  endif
-
   libharfbuzz_gobject_dep = declare_dependency(
     link_with: libharfbuzz_gobject,
     include_directories: incsrc,
-    sources: libharfbuzz_gobject_sources,
+    sources: build_gir ? hb_gen_files_gir : hb_gobject_sources,
     dependencies: [glib_dep, gobject_dep])
 
   pkgmod.generate(libharfbuzz_gobject,
@@ -708,21 +700,13 @@ if get_option('tests').enabled()
   env.set('HBHEADERS', ' '.join(HBHEADERS))
 
   if cpp.get_id() != 'msvc' and not meson.is_cross_build() # ensure the local tools are usable
-    if meson.version().version_compare('>=0.55')
-      dist_check_script += 'check-libstdc++'
-    endif
-    dist_check_script += ['check-static-inits', 'check-symbols']
+    dist_check_script += ['check-libstdc++', 'check-static-inits', 'check-symbols']
   endif
 
   foreach name : dist_check_script
-    if name == 'check-symbols'
-      test_depends = defs_list
-    else
-      test_depends = []
-    endif
     test(name, find_program(name + '.py'),
       env: env,
-      depends: test_depends,
+      depends: name == 'check-symbols' ? defs_list : [],
       suite: ['src'],
     )
   endforeach

test/fuzzing/meson.build

@@ -38,7 +38,7 @@ test('shape_fuzzer', find_program('run-shape-fuzzer-tests.py'),
   ],
   timeout: 300,
   depends: [hb_shape_fuzzer_exe, libharfbuzz, libharfbuzz_subset],
-  workdir: join_paths(meson.current_build_dir(), '..', '..'),
+  workdir: meson.current_build_dir() / '..' / '..',
   env: env,
   suite: ['fuzzing', 'slow'],
 )
@@ -50,7 +50,7 @@ test('subset_fuzzer', find_program('run-subset-fuzzer-tests.py'),
   # as the tests are ran concurrently let's raise acceptable time here
   # ideally better to break and let meson handles them in parallel
   timeout: 300,
-  workdir: join_paths(meson.current_build_dir(), '..', '..'),
+  workdir: meson.current_build_dir() / '..' / '..',
   env: env,
   suite: ['fuzzing', 'slow'],
 )
@@ -59,7 +59,7 @@ test('draw_fuzzer', find_program('run-draw-fuzzer-tests.py'),
   args: [
     hb_draw_fuzzer_exe,
   ],
-  workdir: join_paths(meson.current_build_dir(), '..', '..'),
+  workdir: meson.current_build_dir() / '..' / '..',
   env: env,
   suite: ['fuzzing'],
 )

test/shape/meson.build

@@ -14,10 +14,10 @@ foreach file_name : in_house_tests
   test(test_name, shaping_run_tests_py,
     args: [
       hb_shape,
-      join_paths(meson.current_source_dir(), 'data', 'in-house', 'tests', file_name),
+      meson.current_source_dir() / 'data' / 'in-house' / 'tests' / file_name,
     ],
     env: env,
-    workdir: join_paths(meson.current_build_dir(), '..', '..'),
+    workdir: meson.current_build_dir() / '..' / '..',
     suite: ['shaping', 'in-house'],
   )
 endforeach
@@ -28,10 +28,10 @@ foreach file_name : aots_tests
   test(test_name, shaping_run_tests_py,
     args: [
       hb_shape,
-      join_paths(meson.current_source_dir(), 'data', 'aots', 'tests', file_name),
+      meson.current_source_dir() / 'data' / 'aots' / 'tests' / file_name,
     ],
     env: env,
-    workdir: join_paths(meson.current_build_dir(), '..', '..'),
+    workdir: meson.current_build_dir() / '..' / '..',
     suite: ['shaping', 'aots'],
   )
 endforeach
@@ -42,10 +42,10 @@ foreach file_name : text_rendering_tests
   test(test_name, shaping_run_tests_py,
     args: [
       hb_shape,
-      join_paths(meson.current_source_dir(), 'data', 'text-rendering-tests', 'tests', file_name),
+      meson.current_source_dir() / 'data' / 'text-rendering-tests' / 'tests' / file_name,
     ],
     env: env,
-    workdir: join_paths(meson.current_build_dir(), '..', '..'),
+    workdir: meson.current_build_dir() / '..' / '..',
     suite: ['shaping', 'text-rendering-tests'],
   )
 endforeach

test/subset/meson.build

@@ -66,12 +66,12 @@ foreach t : tests
   test(t, run_test,
     args: [
       hb_subset,
-      join_paths(meson.current_source_dir(), 'data', 'tests', fname),
+      meson.current_source_dir() / 'data' / 'tests' / fname,
     ],
     # as the tests are ran concurrently let's raise acceptable time here
     # ideally better to break and let meson handles them in parallel
     timeout: 500,
-    workdir: join_paths(meson.current_build_dir(), '..', '..'),
+    workdir: meson.current_build_dir() / '..' / '..',
     suite: 'subset',
   )
 endforeach
@@ -84,9 +84,9 @@ foreach t : repack_tests
   test(t, run_repack_test,
     args: [
       hb_subset,
-      join_paths(meson.current_source_dir(), 'data', 'repack_tests', fname),
+      meson.current_source_dir() / 'data' / 'repack_tests' / fname,
     ],
-    workdir: join_paths(meson.current_build_dir(), '..', '..'),
+    workdir: meson.current_build_dir() / '..' / '..',
     suite: ['subset', 'repack'],
   )
 endforeach