diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 123f0d26ee..33bcd62180 100644 --- a/configure.ac +++ b/configure.ac @@ -1412,6 +1412,26 @@ elif test "$libc_cv_ssp" = "yes"; then fi AC_SUBST(stack_protector) +AC_CACHE_CHECK([for -mtls-dialect=gnu2], libc_cv_mtls_dialect_gnu2, +[dnl +cat > conftest.c <<EOF +__thread int i; +void foo (void) +{ + i = 10; +} +EOF +if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -S -fPIC -mtls-dialect=gnu2 + conftest.c 1>&AS_MESSAGE_LOG_FD]) +then + libc_cv_mtls_dialect_gnu2=yes +else + libc_cv_mtls_dialect_gnu2=no +fi +rm -f conftest*]) +AC_SUBST(libc_cv_mtls_dialect_gnu2) +LIBC_CONFIG_VAR([have-mtls-dialect-gnu2], [$libc_cv_mtls_dialect_gnu2]) + AC_CACHE_CHECK(whether cc puts quotes around section names, libc_cv_have_section_quotes, [cat > conftest.c <<EOF |