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Disable the x86 TLS version of GLdispatch.

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The x86 TLS versions of the entrypoints don't work yet. Until they do, use the
x86 TSD version instead.

Workaround for issue #18.
This commit is contained in:
Kyle Brenneman 2015-03-25 15:32:30 -06:00
parent 5ef4105e3d
commit 6d2798420b
1 changed files with 10 additions and 5 deletions
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15
configure.ac
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@ -143,7 +143,7 @@ AM_CONDITIONAL(HAVE_X86_64_ASM, echo "$DEFINES" | grep 'X86_64_ASM' >/dev/null 2
AM_CONDITIONAL(HAVE_SPARC_ASM, echo "$DEFINES" | grep 'SPARC_ASM' >/dev/null 2>&1)
dnl Checks for libraries.
AX_PTHREAD([true])
AX_PTHREAD()
PKG_CHECK_MODULES([X11], [x11])
PKG_CHECK_MODULES([XEXT], [xext])
@ -171,11 +171,16 @@ AC_FUNC_STRNLEN
AC_CHECK_FUNCS([getpagesize gettimeofday memmove memset strdup strerror])
dnl TLS detection
dnl Note: The x86 TLS build doesn't work yet. Fall back to the TSD version until it does.
AC_MSG_CHECKING([for initial-exec TLS])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
__thread int foo __attribute__((tls_model("initial-exec")));
])],
[GLX_USE_TLS=yes],[GLX_USE_TLS=no])
if test "x$asm_arch" != xx86; then
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
__thread int foo __attribute__((tls_model("initial-exec")));
])],
[GLX_USE_TLS=yes],[GLX_USE_TLS=no])
else
GLX_USE_TLS=no
fi
AC_MSG_RESULT($GLX_USE_TLS)
AS_IF([test "x$GLX_USE_TLS" = "xyes"],