diff options
Diffstat (limited to 'Configure')
-rwxr-xr-x | Configure | 26 |
1 files changed, 21 insertions, 5 deletions
@@ -1427,6 +1427,27 @@ if (!$disabled{makedepend}) { } } +if (!$disabled{asm}) { + # probe for -Wa,--noexecstack option... + if ($predefined{__clang__}) { + # clang has builtin assembler, which doesn't recognize --help, + # but it apparently recognizes the option in question on all + # supported platforms even when it's meaningless. In other words + # probe would fail, but probed option always accepted... + push @{$config{cflags}}, "-Wa,--noexecstack", "-Qunused-arguments"; + } elsif ($^O ne 'VMS') { + my $cc = $config{CROSS_COMPILE}.$config{CC}; + open(PIPE, "$cc -Wa,--help -c -o null.$$.o -x assembler /dev/null 2>&1 |"); + while(<PIPE>) { + if (m/--noexecstack/) { + push @{$config{cflags}}, "-Wa,--noexecstack"; + last; + } + } + close(PIPE); + unlink("null.$$.o"); + } +} # Deal with bn_ops ################################################### @@ -1468,11 +1489,6 @@ if (defined($config{api})) { push @{$config{defines}}, $apiflag; } -if (defined($predefined{__clang__}) && !$disabled{asm}) { - push @{$config{cflags}}, "-Qunused-arguments"; - push @{$config{cxxflags}}, "-Qunused-arguments" if $config{CXX}; -} - if ($strict_warnings) { my $wopt; |