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| author | fanquake <fanquake@gmail.com> | 2020-04-19 20:20:06 +0800 |
|---|---|---|
| committer | fanquake <fanquake@gmail.com> | 2020-04-20 16:58:54 +0800 |
| commit | 20a30922fbf6ba14e250ca649239af115dbbe7b0 (patch) | |
| tree | 1aa995a75d748ea4b480a8e4c8ff481040eabde5 | |
| parent | d65631171cf87a1b25d50317a9e27338a4dc0d8b (diff) | |
doc: note why we can't use thread_local with glibc back compat
| -rw-r--r-- | configure.ac | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 4c9902efc6..77cd23c0b0 100644 --- a/configure.ac +++ b/configure.ac @@ -861,6 +861,9 @@ AC_LINK_IFELSE([AC_LANG_SOURCE([ ] ) +dnl thread_local is currently disabled when building with glibc back compat. +dnl Our minimum supported glibc is 2.17, however support for thread_local +dnl did not arrive in glibc until 2.18. if test "x$use_thread_local" = xyes || { test "x$use_thread_local" = xauto && test "x$use_glibc_compat" = xno; }; then TEMP_LDFLAGS="$LDFLAGS" LDFLAGS="$TEMP_LDFLAGS $PTHREAD_CFLAGS" |