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-rw-r--r--ext/extmk.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/ext/extmk.rb b/ext/extmk.rb
index 06d46f106..50b2890a2 100644
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -44,6 +44,7 @@ require 'shellwords'
$topdir = File.expand_path(".")
$top_srcdir = srcdir
+# avoid warning for $VERBOSE mode
Object.class_eval do remove_method :create_makefile end
def create_makefile(target)
@@ -64,6 +65,9 @@ def create_makefile(target)
end
$DLDFLAGS = CONFIG["DLDFLAGS"].dup
+ if /linux/ =~ RUBY_PLATFORM and $configure_args['--enable-shared'] and CONFIG["GNU_LD"] == "yes"
+ $DLDFLAGS << " -Wl,-no-undefined"
+ end
if $configure_args['--enable-shared'] or CONFIG["LIBRUBY"] != CONFIG["LIBRUBY_A"]
$libs = CONFIG["LIBRUBYARG"] + " " + $libs