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-rw-r--r--tasks/toolchains/openwrt.rake3
1 files changed, 2 insertions, 1 deletions
diff --git a/tasks/toolchains/openwrt.rake b/tasks/toolchains/openwrt.rake
index d5763d8de..a903ddd49 100644
--- a/tasks/toolchains/openwrt.rake
+++ b/tasks/toolchains/openwrt.rake
@@ -11,7 +11,8 @@ MRuby::Toolchain.new(:openwrt) do |conf|
end
cc.option_include_path = %q[-I"%s"]
cc.option_define = '-D%s'
- cc.compile_options = %q[%{flags} -MMD -MF "%{outfile}.d" -o "%{outfile}" -c "%{infile}"]
+ cc.compile_options = '%{flags} -MMD -MF "%{outfile}.d" -o "%{outfile}" -c "%{infile}"'
+ cc.preprocess_options = '%{flags} -o "%{outfile}" -E -P "%{infile}"'
end
conf.linker do |linker|