visual c++ - using custom build event in VS 2010 -

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i in process of creating visual studio solution wrap command-line portions of ocaml. in standard ocaml make file there following target:

version.h : ../version echo "#define ocaml_version \"`sed -e 1q ../version`\"" > version.h

which hoping simulate via custom build event. have modified vcproj file include following lines:

    <custombuildstep>   <command>c:\windows\system32\sed.exe -e "1 s/^/#define ocaml_version "  "$(sourcedir)version"  &gt; "$(sourcedir)version.h"   </command>   <inputs>version</inputs>   <outputs>version.h;%(outputs)</outputs>   <message>building version header file ....</message> </custombuildstep>

i have sed installed on system (from unxutils), , command work correctly command terminal (after macro-expansion naturally). however, when execute inside visual studio following error message:

custombuildstep:   description: building version header file ....  'c:\windows\system32\sed.exe' not recognized internal or external command,   operable program or batch file.

i've seen problem on several forums , proposed solution include absolute path (which did) or set working directory executable lives. there work?


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