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cmake: fix update of git hashes

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Since the git hashes were being generate by cmake it would only be
generated if the header file was not present. Simple test:

    $ make aerofc-v1_default
    $ touch a
    $ git add a
    $ git commit -m tmp
    $ make aerofc-v1_default

The file build_aerofc-v1_default/build_git_version.h should have the new
hashes and the correspondent .c/c.pp files should be rebuilt, but they
aren't.  The end result is that checking the version with "ver git" in
the nsh console will point to the wrong commit.

This moves the generation of the header to a separate tool and enforces
the command to be executed every time.
This commit is contained in:
Lucas De Marchi
2016-12-20 12:12:12 -08:00
committed by Lorenz Meier
parent 8aede5d32b
commit 9ee478e1f7
3 changed files with 46 additions and 20 deletions
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2
CMakeLists.txt
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@@ -448,7 +448,7 @@ endif()
#=============================================================================
# generate git version
#
px4_create_git_hash_header(HEADER ${PX4_BINARY_DIR}/build_git_version.h)
px4_create_git_hash_header(OUT ${PX4_BINARY_DIR}/build_git_version.h)
#=============================================================================
# packaging