AC_MSG_ERROR("unsupported target $targ")
else
targetobjs="$targetobjs ${targ_obj}.\$(OBJEXT)"
- if test "$targ_size" = "32"; then
- if test "$targ_big_endian" = "false"; then
- targ_32_little=yes
- elif test "$targ_big_endian" = "true"; then
- targ_32_big=yes
- else
- AC_MSG_ERROR("bad configure.tgt endian $targ_big_endian")
- fi
- elif test "$targ_size" = "64"; then
- if test "$targ_big_endian" = "false"; then
- targ_64_little=yes
- elif test "$targ_big_endian" = "true"; then
- targ_64_big=yes
- else
- AC_MSG_ERROR("bad configure.tgt endian $targ_big_endian")
- fi
- else
- AC_MSG_ERROR("bad configure.tgt size $targ_size")
+ if test "$targ_extra_obj" != ""; then
+ targetobjs="$targetobjs ${targ_extra_obj}.\$(OBJEXT)"
+ fi
+ if test "$targ_size" = "32" -o "$targ_extra_size" = "32"; then
+ if test "$targ_big_endian" = "true" \
+ -o "$targ_extra_big_endian" = "true"; then
+ targ_32_big=yes
+ fi
+ if test "$targ_big_endian" = "false" \
+ -o "$targ_extra_big_endian" = "false"; then
+ targ_32_little=yes
+ fi
+ fi
+ if test "$targ_size" = "64" -o "$targ_extra_size" = "64"; then
+ if test "$targ_big_endian" = "true" \
+ -o "$targ_extra_big_endian" = "true"; then
+ targ_64_big=yes
+ fi
+ if test "$targ_big_endian" = "false" \
+ -o "$targ_extra_big_endian" = "false"; then
+ targ_64_little=yes
+ fi
fi
if test "$target" = "$targ"; then
case $target_cpu in
i?86) true;;
x86_64) false;;
+ sparc64) false;;
*) true;;
esac])
AM_CONDITIONAL(STATIC_TLS, test "$gold_cv_lib_glibc24" = "yes")
+dnl Test for #pragma omp threadprivate
+AC_CACHE_CHECK([for omp support], [gold_cv_c_threadprivate],
+[save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -fopenmp"
+AC_COMPILE_IFELSE([
+#include <omp.h>
+int i;
+#pragma omp threadprivate (i)
+], [gold_cv_c_threadprivate=yes], [gold_cv_c_threadprivate=no])
+CFLAGS="$save_CFLAGS"])
+if test "$gold_cv_c_threadprivate" = "yes"; then
+ AC_DEFINE(HAVE_OMP_SUPPORT, 1,
+ [Define if compiler supports #pragma omp threadprivate])
+fi
+AM_CONDITIONAL(OMP_SUPPORT, test "$gold_cv_c_threadprivate" = "yes")
+
+dnl Test for the -ftls-dialect=gnu2 option.
+save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -mtls-dialect=gnu2"
+AC_COMPILE_IFELSE([int i;], [have_tls_gnu2=yes], [have_tls_gnu2=no])
+CFLAGS="$save_CFLAGS"
+AM_CONDITIONAL(TLS_GNU2_DIALECT, test "$have_tls_gnu2" = "yes")
+
+dnl On GNU/Linux TLS descriptors are supported by the dynamic loader
+dnl only with glibc 2.5 or later.
+AC_CACHE_CHECK([for glibc >= 2.5], [gold_cv_lib_glibc25],
+[AC_COMPILE_IFELSE([
+#include <features.h>
+#if !defined __GLIBC__
+error
+#elif __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 5)
+error
+#endif
+], [gold_cv_lib_glibc25=yes], [gold_cv_lib_glibc25=no])])
+
+AM_CONDITIONAL(TLS_DESCRIPTORS, test "$gold_cv_lib_glibc25" = "yes")
+
dnl Check whether the compiler supports constructor priorities in
dnl attributes, which were added in gcc 4.3.
AC_CACHE_CHECK([for constructor priorities], [gold_cv_c_conprio],
# Link in zlib if we can. This allows us to write compressed sections.
AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])
+AM_CONDITIONAL(HAVE_ZLIB, test "$ac_cv_search_zlibVersion" != "no")
AC_LANG_PUSH(C++)