Commit 768b7855 authored by Emilio G. Cota's avatar Emilio G. Cota Committed by Paolo Bonzini
Browse files

configure: require __thread support 



The codebase doesn't build without __thread support.
Formalise this requirement by adding a check for it in the
configure script.

Signed-off-by: default avatarEmilio G. Cota <cota@braap.org>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 41063e1e

configure

+11 −0
Original line number Diff line number Diff line
@@ -1556,6 +1556,17 @@ if test "$static" = "yes" ; then 
  fi

fi



# Unconditional check for compiler __thread support

  cat > $TMPC << EOF

static __thread int tls_var;

int main(void) { return tls_var; }

EOF



if ! compile_prog "-Werror" "" ; then

    error_exit "Your compiler does not support the __thread specifier for " \

	"Thread-Local Storage (TLS). Please upgrade to a version that does."

fi



if test "$pie" = ""; then

  case "$cpu-$targetos" in

    i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)