build with ninja is always rebuilding all sources

[Paweł Górka]

Hi,

I have an confusing problem with ninja build.

I have two projects build with ninja - cortex m3 target project and project with some gtest. In gtest project everything works fine. Unfortunatelly in cortex target ninja is rebuilding whole project all the time, even when nothing has changed.

I have no clue what can cause this problem. Im generating ninja files with cmake (-G Ninja). In project there are few c and cpp src files, startup wrote in assembler. I'am also building and linking two static libraries.

 When I'm using make probles does not exist. Could someone give me some hint?

[Nico Weber]

What does `ninja -d explain` say?

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[Paweł Górka]

Hi,

Thanks for response. I switched to the newest version od ninja (1.5.3) and problem has dissapeared.

Ninja -d says that a lot of header files (external efm32 library mostly) are dirty.

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Pozdrawiam
Paweł Górka

[Nico Weber]

Are you using Windows? If so, then you probably ran into the slash/backslash canonicalization problem that was fixed in 1.5.3.