diff options
Diffstat (limited to 'gcc/configure')
| -rwxr-xr-x | gcc/configure | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/configure b/gcc/configure index 240a8765b79..ebbead293e3 100755 --- a/gcc/configure +++ b/gcc/configure @@ -21327,6 +21327,48 @@ fi $as_echo "$gcc_cv_as_hidden" >&6; } +# gnu_indirect_function type is an extension proposed at +# http://groups.google/com/group/generic-abi/files. It allows dynamic runtime +# selection of function implementation +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for gnu_indirect_function" >&5 +$as_echo_n "checking assembler for gnu_indirect_function... " >&6; } +if test "${gcc_cv_as_indirect_function+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + gcc_cv_as_indirect_function=no + if test $in_tree_gas = yes; then + if test $in_tree_gas_is_elf = yes \ + && test $gcc_cv_gas_vers -ge `expr \( \( 2 \* 1000 \) + 20 \) \* 1000 + 1` + then gcc_cv_as_indirect_function=yes +fi + elif test x$gcc_cv_as != x; then + echo ' .type Foo, @gnu_indirect_function +Foo:' > conftest.s + if { ac_try='$gcc_cv_as $gcc_cv_as_flags -o conftest.o conftest.s >&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } + then + gcc_cv_as_indirect_function=yes + else + echo "configure: failed program was" >&5 + cat conftest.s >&5 + fi + rm -f conftest.o conftest.s + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_indirect_function" >&5 +$as_echo "$gcc_cv_as_indirect_function" >&6; } + + +if test $gcc_cv_as_indirect_function = yes ; then + +$as_echo "#define HAVE_GAS_INDIRECT_FUNCTION 1" >>confdefs.h + +fi + if test $in_tree_ld != yes ; then ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q` if test x"$ld_is_gold" = xyes; then |