Toolchain/binutils-gdb
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Only run static TLS tests on glibc 2.4 or later.

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This commit is contained in:
Ian Lance Taylor
2007-10-14 03:57:22 +00:00
parent 8261e3bfa5
commit 097ec620e1
5 changed files with 153 additions and 28 deletions
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32
gold/configure.ac
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@@ -152,8 +152,25 @@ AM_CONDITIONAL(FN_PTRS_IN_SO_WITHOUT_PIC, [
esac])
dnl Test for __thread support.
AC_COMPILE_IFELSE([__thread int i = 1;], [tls=yes], [tls=no])
AM_CONDITIONAL(TLS, test "$tls" = "yes")
AC_CACHE_CHECK([for thread support], [gold_cv_c_thread],
[AC_COMPILE_IFELSE([__thread int i = 1;],
[gold_cv_c_thread=yes], [gold_cv_c_thread=no])])
AM_CONDITIONAL(TLS, test "$gold_cv_c_thread" = "yes")
dnl On GNU/Linux TLS in static programs only works when using glibc
dnl 2.4 or later.
AC_CACHE_CHECK([for glibc >= 2.4], [gold_cv_lib_glibc24],
[AC_COMPILE_IFELSE([
#include <features.h>
#if !defined __GLIBC__
error
#elif __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4)
error
#endif
], [gold_cv_lib_glibc24=yes], [gold_cv_lib_glibc24=no])])
AM_CONDITIONAL(STATIC_TLS, test "$gold_cv_lib_glibc24" = "yes")
AM_BINUTILS_WARNINGS
@@ -174,12 +191,17 @@ AC_CHECK_HEADERS(ext/hash_map ext/hash_set)
AC_CHECK_FUNCS(mallinfo)
dnl Test whether the compiler can specify a member templates to call.
AC_COMPILE_IFELSE([
AC_CACHE_CHECK([template member calls], [gold_cv_c_membertemplates],
[AC_COMPILE_IFELSE([
class c { public: template<int i> void fn(); };
template<int i> void foo(c cv) { cv.fn<i>(); }
template void foo<1>(c cv);],
[AC_DEFINE(HAVE_MEMBER_TEMPLATE_SPECIFICATIONS, [],
[Whether the C++ compiler can call a template member with no arguments])])
[gold_cv_c_membertemplates=yes], [gold_cv_c_membertemplates=no])])
if test "$gold_cv_c_membertemplates" = "yes"; then
AC_DEFINE(HAVE_MEMBER_TEMPLATE_SPECIFICATIONS, [],
[Whether the C++ compiler can call a template member with no arguments])
fi
AC_LANG_POP(C++)