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Diffstat (limited to 'm4/libmysqlclient.m4')
| -rw-r--r-- | m4/libmysqlclient.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/m4/libmysqlclient.m4 b/m4/libmysqlclient.m4 index e08a08e..84b4471 100644 --- a/m4/libmysqlclient.m4 +++ b/m4/libmysqlclient.m4 @@ -82,4 +82,26 @@ else AC_MSG_RESULT([no]) $3 fi + +# Check if the THR_KEY_mysys pthread key symbol is visible. +# +libmysqlclient_thr_key_visible=no + +if test x"$libmysqlclient_found" = xyes -a x"$1" = xposix; then + +CXX_LIBTOOL_LINK_IFELSE( +AC_LANG_SOURCE([[ +#include <pthread.h> +extern pthread_key_t THR_KEY_mysys; +int +main () +{ + return pthread_getspecific (THR_KEY_mysys) != 0; +} +]]), +[ +libmysqlclient_thr_key_visible=yes +]) +fi + ])dnl |