- let (_gcc,gcc_args) = pgm_c dflags
- windres = pgm_windres dflags
+ let (gcc, gcc_args) = pgm_c dflags
+ windres = pgm_windres dflags
+ quote x = "\"" ++ x ++ "\""
+ args' = -- If windres.exe and gcc.exe are in a directory containing
+ -- spaces then windres fails to run gcc. We therefore need
+ -- to tell it what command to use...
+ Option ("--preprocessor=" ++
+ unwords (map quote (gcc :
+ map showOpt gcc_args ++
+ ["-E", "-xc", "-DRC_INVOKED"])))
+ -- ...but if we do that then if windres calls popen then
+ -- it can't understand the quoting, so we have to use
+ -- --use-temp-file so that it interprets it correctly.
+ -- See #1828.
+ : Option "--use-temp-file"
+ : args