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| author | Jeremy Huddleston <jeremyhu@apple.com> | 2011-03-22 19:01:48 -0700 |
|---|---|---|
| committer | Jeremy Huddleston <jeremyhu@apple.com> | 2011-03-27 22:36:28 -0700 |
| commit | 4edf97ad4f99a78d2131bef54a8692c3a35b1c97 (patch) | |
| tree | 6b65c8defc3cb709fa597852332aa47bb62d43d6 /configure.ac | |
| parent | b8e8579df592c050dfab2dc45f5004b67dbb965e (diff) | |
GLX: Support TLS with better portability
AX_TLS detects when toolchains support __thread or __declspec(thread),
but existing code assumed __thread.
This also adds a check to configure.ac to error out if TLS is requested
but unsupported.
Found-by: Tinderbox
http://tinderbox.x.org/builds/2011-03-22-0007
Regression-from: 82b1eaa6cad20f39dbf15573bdb3d62acbcd91f9
Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
Reviewed-by: Tom Fogal <tfogal@alumni.unh.edu>
Reviewed-by: Dan Nicholson <dbn.lists@gmail.com>
(cherry picked from commit c55baebf4ebf1887262cc16899eb297b9f284f6e)
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 0a063918e..61224b641 100644 --- a/configure.ac +++ b/configure.ac @@ -599,7 +599,10 @@ AC_ARG_ENABLE(aiglx, AS_HELP_STRING([--enable-aiglx], [Build accelerate [AIGLX=yes]) AX_TLS AC_ARG_ENABLE(glx-tls, AS_HELP_STRING([--enable-glx-tls], [Build GLX with TLS support (default: auto)]), - [GLX_USE_TLS=$enableval], + [GLX_USE_TLS=$enableval + if test "x$GLX_USE_TLS" = "xyes" && test "${ac_cv_tls}" = "none" ; then + AC_MSG_ERROR([GLX with TLS support requested, but the compiler does not support it.]) + fi], [GLX_USE_TLS=no if test "${ac_cv_tls}" != "none" ; then GLX_USE_TLS=yes |