Configure: add -Wmisleading-indentation to strict warnings flags.
The warning flag in question was added in GCC version 6, hence
addition has to be conditional.
@@ -148,6 +148,7 @@ my $clang_devteam_warn = ""
. " -Wconditional-uninitialized"
. " -Wincompatible-pointer-types-discards-qualifiers"
. " -Wmissing-variable-declarations"
+ . " -Wno-unknown-warning-option"
;
# This adds backtrace information to the memory leak info. Is only used
@@ -1327,8 +1328,11 @@ if (defined($predefined{__clang__}) && !$disabled{asm}) {
if ($strict_warnings)
{
my $wopt;
- die "ERROR --strict-warnings requires gcc or gcc-alike"
- unless defined($predefined{__GNUC__});
+ my $gccver = $predefined{__GNUC__} // -1;
+
+ die "ERROR --strict-warnings requires gcc[>=4] or gcc-alike"
+ unless $gccver >= 4;
+ $gcc_devteam_warn .= " -Wmisleading-indentation" if $gccver >= 6;
foreach $wopt (split /\s+/, $gcc_devteam_warn)
{
$config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
