From 099f663adc119ade6509569505358a0955c2b02a Mon Sep 17 00:00:00 2001 From: Randy Eckenrode Date: Wed, 13 Nov 2024 13:53:14 -0500 Subject: [PATCH 06/18] Add Meson build system --- meson.build | 42 +++++++++++++++++++ meson.options | 5 +++ src/abstraction/meson.build | 3 ++ src/ld/meson.build | 68 +++++++++++++++++++++++++++++++ src/ld/parsers/meson.build | 26 ++++++++++++ src/mach_o/meson.build | 13 ++++++ src/meson.build | 16 ++++++++ src/other/meson.build | 80 +++++++++++++++++++++++++++++++++++++ 8 files changed, 253 insertions(+) create mode 100644 meson.build create mode 100644 meson.options create mode 100644 src/abstraction/meson.build create mode 100644 src/ld/meson.build create mode 100644 src/ld/parsers/meson.build create mode 100644 src/mach_o/meson.build create mode 100644 src/meson.build create mode 100644 src/other/meson.build diff --git a/meson.build b/meson.build new file mode 100644 index 0000000..cd4e8da --- /dev/null +++ b/meson.build @@ -0,0 +1,42 @@ +project( + 'ld64', + 'c', 'cpp', + default_options : {'c_std': 'c23', 'cpp_std': 'c++23'}, + license : 'APSL-2.0', + license_files : 'APPLE_LICENSE', + meson_version : '>=1.6.0', + version : '956.6', +) + +add_project_arguments( + # Avoid needing to link libSupport, which helps avoid a dependency on LLVM in packages + # that link libprunetrie.a (such as cctools). + '-DLLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING=1', + language : 'cpp', +) + + +cc = meson.get_compiler('c') +cxx = meson.get_compiler('cpp') + + +libcodedirectory_dep = dependency( + 'libcodedirectory', + version : '=819.6.1', +) +libtapi_dep = dependency( + 'libtapi', + version : [ '>=1500' , '<1600' ], +) +llvm_dep = dependency( + 'llvm', + version : '>=19.1' +).partial_dependency(includes : true) # ld64 only needs LLVM headers for ADTs. +openssl_dep = dependency( + 'openssl', + version : '>=3.0' +) +xar_dep = cc.find_library('xar') + + +subdir('src') diff --git a/meson.options b/meson.options new file mode 100644 index 0000000..dd40e66 --- /dev/null +++ b/meson.options @@ -0,0 +1,5 @@ +option( + 'libllvm_path', + type : 'string', + description: 'Specifies the default path to LLVM for `libLTO.dylib`' +) diff --git a/src/abstraction/meson.build b/src/abstraction/meson.build new file mode 100644 index 0000000..eae50ea --- /dev/null +++ b/src/abstraction/meson.build @@ -0,0 +1,3 @@ +abstraction_dep = declare_dependency( + include_directories : [ '.' ] +) diff --git a/src/ld/meson.build b/src/ld/meson.build new file mode 100644 index 0000000..8bc85b7 --- /dev/null +++ b/src/ld/meson.build @@ -0,0 +1,68 @@ +subdir('parsers') + +executable( + 'ld', + cpp_args : [ + '-Wno-c23-extensions', + '-Wno-vla-cxx-extension', + ], + dependencies : [ + abstraction_dep, + libcodedirectory_dep, + libtapi_dep, + llvm_dep, + mach_o_dep, + openssl_dep, + parsers_dep, + xar_dep, + ], + include_directories : [ + 'code-sign-blobs', + 'parsers', + 'passes', + ], + install : true, + # These linker flags mirror those used in a release build of the Xcode project. + # See: https://github.com/apple-oss-distributions/ld64/blob/47f477cb721755419018f7530038b272e9d0cdea/ld64.xcodeproj/project.pbxproj#L1292-L1299. + link_args : [ + '-Wl,-exported_symbol,__mh_execute_header', + '-Wl,-stack_size,0x02000000', + '-Wl,-client_name,ld', + ], + sources : [ + configure_h, + 'FatFile.cpp', + 'InputFiles.cpp', + 'Mangling.cpp', + 'Options.cpp', + 'OutputFile.cpp', + 'PlatformSupport.cpp', + 'Resolver.cpp', + 'ResponseFiles.cpp', + 'Snapshot.cpp', + 'SymbolTable.cpp', + 'code-sign-blobs/blob.cpp', + 'code-sign-blobs/blob.h', + 'debugline.c', + 'ld.cpp', + 'libcodedirectory.c', + 'passes/bitcode_bundle.cpp', + 'passes/branch_island.cpp', + 'passes/branch_shim.cpp', + 'passes/code_dedup.cpp', + 'passes/compact_unwind.cpp', + 'passes/dtrace_dof.cpp', + 'passes/dylibs.cpp', + 'passes/got.cpp', + 'passes/huge.cpp', + 'passes/inits.cpp', + 'passes/objc.cpp', + 'passes/objc_constants.cpp', + 'passes/objc_stubs.cpp', + 'passes/order.cpp', + 'passes/stubs/stubs.cpp', + 'passes/thread_starts.cpp', + 'passes/tlvp.cpp', + ], +) +install_man(meson.global_source_root() / 'doc/man/man1/ld-classic.1') diff --git a/src/ld/parsers/meson.build b/src/ld/parsers/meson.build new file mode 100644 index 0000000..a88f651 --- /dev/null +++ b/src/ld/parsers/meson.build @@ -0,0 +1,26 @@ +parsers = static_library( + 'parsers', + cpp_args : [ '-Wno-vla-cxx-extension' ], + dependencies : [ + abstraction_dep, + libtapi_dep, + ], + include_directories : [ + '..', # For ld64 headers + ], + sources : [ + configure_h, + 'archive_file.cpp', + 'generic_dylib_file.cpp', + 'lto_file.cpp', + 'macho_dylib_file.cpp', + 'macho_relocatable_file.cpp', + 'opaque_section_file.cpp', + 'textstub_dylib_file.cpp', + ], +) + +parsers_dep = declare_dependency( + include_directories : [ '.' ], + link_with : parsers, +) diff --git a/src/mach_o/meson.build b/src/mach_o/meson.build new file mode 100644 index 0000000..88d4f7a --- /dev/null +++ b/src/mach_o/meson.build @@ -0,0 +1,13 @@ +mach_o = static_library( + 'mach_o', + cpp_args : [ '-Wno-vla-cxx-extension' ], + sources : [ + 'Error.cpp', + 'ExportsTrie.cpp', + ], +) + +mach_o_dep = declare_dependency( + include_directories : [ '.' ], + link_with : mach_o, +) diff --git a/src/meson.build b/src/meson.build new file mode 100644 index 0000000..e1e3b1a --- /dev/null +++ b/src/meson.build @@ -0,0 +1,16 @@ +configure_h = custom_target( + 'configure_h', + command : [ find_program('bash'), '@INPUT@' ], + env : { + 'DERIVED_FILE_DIR' : meson.current_build_dir(), + 'RC_ProjectSourceVersion': meson.project_version(), + }, + input : 'create_configure', + output : 'configure.h', +) + +subdir('abstraction') +subdir('mach_o') + +subdir('ld') +subdir('other') diff --git a/src/other/meson.build b/src/other/meson.build new file mode 100644 index 0000000..067a69c --- /dev/null +++ b/src/other/meson.build @@ -0,0 +1,80 @@ +machocheck = executable( + 'machocheck', + dependencies : [ + abstraction_dep, + llvm_dep, + ], + include_directories : [ '../ld' ], + install : true, + sources : [ + configure_h, + 'machochecker.cpp', + ], +) + +ObjectDump = executable( + 'ObjectDump', + cpp_args : [ '-Wno-vla-cxx-extension' ], + dependencies : [ + abstraction_dep, + libtapi_dep, + parsers_dep, + ], + include_directories : [ '../ld' ], + install : true, + sources : [ + configure_h, + '../ld/PlatformSupport.cpp', + '../ld/debugline.c', + 'ObjectDump.cpp', + ], +) + +objcimageinfo = executable( + 'objcimageinfo', + dependencies : [ + abstraction_dep, + llvm_dep, + ], + include_directories : [ '../ld' ], + install : true, + sources : [ + configure_h, + 'objcimageinfo.cpp', + ], +) + +unwinddump = executable( + 'unwinddump', + dependencies : [ + abstraction_dep, + llvm_dep, + ], + include_directories : [ '../ld' ], + install : true, + sources : [ + configure_h, + 'unwinddump.cpp', + ], +) +install_man(meson.global_source_root() / 'doc/man/man1/unwinddump.1') + +static_library( + 'prunetrie', + cpp_args : [ '-Wno-vla-cxx-extension' ], + dependencies : [ + abstraction_dep, + mach_o_dep + ], + include_directories : [ '../ld' ], + install : true, + override_options : {'b_lto': false}, + sources : [ + configure_h, + 'PruneTrie.cpp', + ], +) +install_headers( + 'prune_trie.h', + subdir : 'mach-o', +) -- 2.47.2