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| author | Haelwenn (lanodan) Monnier <contact@hacktivis.me> | 2025-08-23 21:50:26 +0200 |
|---|---|---|
| committer | Eli Schwartz <eschwartz93@gmail.com> | 2025-08-26 01:50:25 -0400 |
| commit | dba1008ffee2392129f205c00d526073ff5b24c3 (patch) | |
| tree | ae6b15f76d8ed13cc170c8462ec7c11b737693b1 | |
| parent | d1090edb914be0efaddabd5a254bb2051d74bb59 (diff) | |
| download | meson-dba1008ffee2392129f205c00d526073ff5b24c3.zip meson-dba1008ffee2392129f205c00d526073ff5b24c3.tar.gz meson-dba1008ffee2392129f205c00d526073ff5b24c3.tar.bz2 | |
test cases/common/32 has header: disable undef with libcxx
Can be tested with adding -stdlib=libc++ to C++ flags.
In file included from /usr/include/c++/v1/stdio.h:93:
In file included from /usr/include/c++/v1/__config:14:
In file included from /usr/include/c++/v1/__configuration/abi.h:15:
/usr/include/c++/v1/__configuration/platform.h:35:7: error: function-like macro '__has_include' is not defined
35 | # if __has_include(<features.h>)
| ^
/usr/include/c++/v1/__configuration/platform.h:48:5: error: function-like macro '__has_include' is not defined
48 | #if __has_include(<picolibc.h>)
| ^
1 warning and 2 errors generated.
'
| -rw-r--r-- | test cases/common/32 has header/meson.build | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/test cases/common/32 has header/meson.build b/test cases/common/32 has header/meson.build index e6f6efb..7358be7 100644 --- a/test cases/common/32 has header/meson.build +++ b/test cases/common/32 has header/meson.build @@ -1,6 +1,7 @@ project('has header', 'c', 'cpp') host_system = host_machine.system() +cpp = meson.get_compiler('cpp') non_existent_header = 'ouagadougou.h' @@ -9,16 +10,20 @@ configure_file(input : non_existent_header, output : non_existent_header, configuration : configuration_data()) +is_libcxx = cpp.has_header_symbol('ciso646', '_LIBCPP_VERSION') + # Test that the fallback to __has_include also works on all compilers -if host_system != 'darwin' +# +# darwin: can't redefine builtin macros so the above doesn't work +# libcxx: Undefining __has_include() breaks LLVM libcxx platform.h +if host_system != 'darwin' and not is_libcxx fallbacks = ['', '\n#undef __has_include'] else - # On Darwin's clang you can't redefine builtin macros so the above doesn't work fallbacks = [''] endif foreach fallback : fallbacks - foreach comp : [meson.get_compiler('c'), meson.get_compiler('cpp')] + foreach comp : [meson.get_compiler('c'), cpp] assert(comp.has_header('stdio.h', prefix : fallback), 'Stdio missing.') # stdio.h doesn't actually need stdlib.h, but just test that setting the |