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[Qemu-devel] [PULL 7/9] configure: require __thread support
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 7/9] configure: require __thread support |
Date: |
Fri, 8 May 2015 14:49:02 +0200 |
From: "Emilio G. Cota" <address@hidden>
The codebase doesn't build without __thread support.
Formalise this requirement by adding a check for it in the
configure script.
Signed-off-by: Emilio G. Cota <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
configure | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/configure b/configure
index 75a4def..40bc49a 100755
--- a/configure
+++ b/configure
@@ -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)
--
2.3.5
- [Qemu-devel] [PULL v2 0/9] KVM, QOM, NBD, build fixes for 2015-05-08, Paolo Bonzini, 2015/05/08
- [Qemu-devel] [PULL 1/9] kvm: Silence warning from valgrind, Paolo Bonzini, 2015/05/08
- [Qemu-devel] [PULL 2/9] apic_common: improve readability of apic_reset_common, Paolo Bonzini, 2015/05/08
- [Qemu-devel] [PULL 3/9] mtree: tag & indent a bit better, Paolo Bonzini, 2015/05/08
- [Qemu-devel] [PULL 4/9] mtree: also print disabled regions, Paolo Bonzini, 2015/05/08
- [Qemu-devel] [PULL 5/9] kvm: add support for memory transaction attributes, Paolo Bonzini, 2015/05/08
- [Qemu-devel] [PULL 6/9] exec: move rcu_read_lock/unlock to address_space_translate callers, Paolo Bonzini, 2015/05/08
- [Qemu-devel] [PULL 7/9] configure: require __thread support,
Paolo Bonzini <=
- [Qemu-devel] [PULL 9/9] qemu-nbd: only send a limited number of errno codes on the wire, Paolo Bonzini, 2015/05/08
- Re: [Qemu-devel] [PULL v2 0/9] KVM, QOM, NBD, build fixes for 2015-05-08, Peter Maydell, 2015/05/11