android - Cannot use ndk-build on Cygwin -

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i have use ndk clien't project. using windows 7.

i followed installation instructions. have installed cygwin 1.7.1.

in cygwin bash, go android ndk root directory.

when see contents of directory, usin $dir command, can see contents including ndk-build, when try use ndk-build, result get:

$ndk-build bash: ndk-build: command not found.

not sure doing wrong.

cygwin emulates gnu/linux environment on windows computer. means you're working "shell" not same windows command-line.

if type asdf.exe in windows command-line, tries find asdf.exe in current directory. if can find it, file executed. if can't find it, it'll go through every directory of %path% , try again.

however, if type asdf in bash (there multiple kind of shells, bourne again shell 1 of them), not after in current directory. instead it'll try find in 1 of path directories. can't give sources here, afaik it's security reasons. if want run file not in path, must prepend absolute of relative path. can use ./, points current directory.

that's why need type ./ndk-build, because it's in current directory , not path. /path/to/ndk/ndk-build work, have type bit more :).

(in fact it's more complicated, if want execute file, need execute permissions it. google if have problems that.)


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