c++ - add #define when a specific flag is used -

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i want add #define foo code in header file autotools when used specific flag.

the project have creates static library using header use inline functions example. if use -d option, used @ creation time i'll have add @ each compilation using library want avoid.

how can perform this?

i think best bet generate required header file pre-existing file. following shell command trick:

(echo "#define foo" ; cat myheader_pregen.hpp) > myheader.hpp

you can incorporate above script autotools this


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