ngx-build: added support for the NGX_BUILD_EXTRA_CONFIG_OPTS environment to allow the user to specify extra options for nginx ./configure.

Author: agentzh

ngx-build

@@ -15,6 +15,7 @@ my $no_debug = $ENV{NGX_BUILD_NO_DEBUG};
 my $dtrace = $ENV{NGX_BUILD_DTRACE};
 my $cc_opts = $ENV{NGX_BUILD_CC_OPTS};
 my $ld_opts = $ENV{NGX_BUILD_LD_OPTS};
+my $extra_config_opts = $ENV{NGX_BUILD_EXTRA_CONFIG_OPTS};
 
 my %opts;
 getopts("fp:", \%opts) or usage();
@@ -60,6 +61,10 @@ if (($1 == 1 && $2 == 1 && $3 >= 4)
     @opts = @ARGV;
 }
 
+if (defined $extra_config_opts) {
+    push @opts, split /\s+/, $extra_config_opts;
+}
+
 for (@opts) {
     # TODO: we can process paths in other options as well
     s/^(--add-module=)(\S+)/$1 . Cwd::realpath($2)/ge;