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| author | Nicholas Clark <nick@ccl4.org> | 2021-06-20 19:35:13 +0000 |
|---|---|---|
| committer | Tony Cook <tony@develop-help.com> | 2021-09-07 15:46:16 +1000 |
| commit | 65f7068160bfc9a3f4b195a579c881188cc4fff3 (patch) | |
| tree | 2d628c83f8daab915975f364a33e81e6b00eafad /uconfig.h | |
| parent | 756f0910f92bc6bc2d2c7eb17f26efccdf977cdc (diff) | |
| download | perl-65f7068160bfc9a3f4b195a579c881188cc4fff3.tar.gz | |
A Configure test for C11 thread local storage specificer, _Thread_local
We also provbe for gcc's earlier syntax, __thread.
Diffstat (limited to 'uconfig.h')
| -rw-r--r-- | uconfig.h | 16 |
1 files changed, 14 insertions, 2 deletions
@@ -1038,6 +1038,18 @@ /*#define HAS_STATIC_INLINE / **/ #define PERL_STATIC_INLINE static /**/ +/* PERL_THREAD_LOCAL: + * This symbol, if defined, gives a linkage specification for thread-local + * storage. For example, for a C11 compiler this will be _Thread_local. + * Beware, some compilers are sensitive to the C language standard they are + * told to parse. For example, suncc defaults to C11, so our probe will + * report that _Thread_local can be used. However, if the -std=c99 is later + * added to the compiler flags, then _Thread_local will become a syntax + * error. Hence it is important for these flags to be consistent between + * probing and use. + */ +/*#define PERL_THREAD_LOCAL / **/ + /* USE_STDIO_PTR: * This symbol is defined if the _ptr and _cnt fields (or similar) * of the stdio FILE structure can be used to access the stdio buffer @@ -5327,6 +5339,6 @@ #endif /* Generated from: - * 4769474cd122c46e0efc0224475eb6401d7837cf93c9484af644422d1c5a68e3 config_h.SH - * 9aacfe7bf1c55c60b2116e885bafc3f0852a9f52f1ba926d598dd6aa271aa8a2 uconfig.sh + * a551aebc3302cae7ae872b150e8a40760112ce0046e2a26fa4e86e2cfc9f0719 config_h.SH + * 192cfd7d6b90e7961582dadbf7e6ae6de3e4fa6ffde19a0f7148a8572ec635f9 uconfig.sh * ex: set ro: */ |