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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /meson/test cases/common/138 C and CPP link/meson.build | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'meson/test cases/common/138 C and CPP link/meson.build')
-rw-r--r-- | meson/test cases/common/138 C and CPP link/meson.build | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/meson/test cases/common/138 C and CPP link/meson.build b/meson/test cases/common/138 C and CPP link/meson.build new file mode 100644 index 000000000..32d1843ad --- /dev/null +++ b/meson/test cases/common/138 C and CPP link/meson.build @@ -0,0 +1,133 @@ +# Copyright © 2017 Dylan Baker +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +project('C and C++ static link test', ['c', 'cpp']) + +if meson.backend() == 'xcode' + error('''MESON_SKIP_TEST: overriding link language is not supported in Xcode. + +If you really need this, then patches are welcome. The only known way is +to create a dummy C++ file in the meson-private directory and adding +that to the target's source list when needed. The primitives exist +but may need some tweaking. Grep for language_stdlib_only_link_flags to find +where this is handled in other backends.''') +endif + +# Verify that adding link arguments works. +add_global_link_arguments('', language : 'c') +add_project_link_arguments('', language : 'c') + +libc = static_library('cfoo', ['foo.c', 'foo.h']) + +# Test that linking C libs to external static C++ libs uses the C++ linker +# Since we can't depend on the test system to provide this, we create one +# ourselves at configure time and then 'find' it with cxx.find_library(). +cxx = meson.get_compiler('cpp') + +if cxx.get_argument_syntax() == 'msvc' + if cxx.get_id() == 'msvc' + static_linker = find_program('lib') + elif cxx.get_id() == 'clang-cl' + static_linker = find_program('llvm-lib') + elif cxx.get_id() == 'intel-cl' + static_linker = find_program('xilib') + else + error('unable to determine static linker to use with this compiler') + endif + compile_cmd = ['/c', '@INPUT@', '/Fo@OUTPUT@'] + stlib_cmd = [static_linker, '/OUT:@OUTPUT@', '@INPUT@'] +else + picflag = [] + if not ['darwin', 'windows'].contains(host_machine.system()) + picflag = ['-fPIC'] + endif + compile_cmd = ['-c', picflag, '@INPUT@', '-o', '@OUTPUT@'] + stlib_cmd = ['ar', 'csr', '@OUTPUT@', '@INPUT@'] +endif + +foo_cpp_o = configure_file( + input : 'foo.cpp', + output : 'foo.cpp.o', + command : cxx.cmd_array() + compile_cmd) + +configure_file( + input : foo_cpp_o, + output : 'libstcppext.a', + command : stlib_cmd) + +libstcppext = cxx.find_library('stcppext', dirs : meson.current_build_dir()) +lib_type_name = libstcppext.type_name() +assert(lib_type_name == 'library', 'type name is ' + lib_type_name) + +libfooext = shared_library( + 'fooext', + ['foobar.c', 'foobar.h'], + link_with : libc, + dependencies : libstcppext, +) + +# Test that linking C libs to internal static C++ libs uses the C++ linker +libcpp = static_library('cppfoo', ['foo.cpp', 'foo.hpp']) + +libfoo = shared_library( + 'foo', + ['foobar.c', 'foobar.h'], + link_with : [libc, libcpp], +) + +# Test that link_whole is also honored +# +# VS2010 lacks the /WHOLEARCHIVE option that later versions of MSVC support, so +# don't run this tests on that backend. +if not (cxx.get_id() == 'msvc' and cxx.version().version_compare('<19')) + libfoowhole = shared_library( + 'foowhole', + ['foobar.c', 'foobar.h'], + link_whole : [libc, libcpp], + ) +endif + +# Test sublinking (linking C and C++, then linking that to C) +libfoo_static = static_library( + 'foo_static', + ['foobar.c', 'foobar.h'], + link_with : [libc, libcpp], +) + +libsub = shared_library( + 'sub', + ['sub.c', 'sub.h'], + link_with : libfoo_static, +) + +if not (cxx.get_id() == 'msvc' and cxx.version().version_compare('<19')) + libsubwhole = shared_library( + 'subwhole', + ['sub.c', 'sub.h'], + link_whole : libfoo_static, + ) +endif + +# Test that it really is recursive +libsub_static = static_library( + 'sub_static', + ['sub.c', 'sub.h'], + link_with : libfoo_static, +) + +libsubsub = shared_library( + 'subsub', + ['dummy.c'], + link_with : libsub_static, +) |