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-rw-r--r--lib/mkmf.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 5dad67975e..45900fe0f7 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -1043,6 +1043,7 @@ def configuration(srcdir)
CONFIG['PATH_SEPARATOR'] = ';'
end
end
+ CONFIG["hdrdir"] ||= $hdrdir
mk << %{
SHELL = /bin/sh
@@ -1107,7 +1108,7 @@ COPY = #{config_string('CP') || '@$(RUBY) -run -e cp -- -v'}
#### End of system configuration section. ####
-preload = #{$preload ? $preload.join(' ') : ''}
+preload = #{defined?($preload) && $preload ? $preload.join(' ') : ''}
}
if $nmake == ?b
mk.each do |x|