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author | Jonathan Nieder <jrnieder@gmail.com> | 2011-11-18 03:58:21 -0600 |
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committer | Junio C Hamano <gitster@pobox.com> | 2011-11-18 11:35:08 -0800 |
commit | 024c843d472658a3dabb344c843c9242c2f7e4de (patch) | |
tree | 35cfe336eb20bbe6ede89574fbe21ab2b2222d20 /t/t5707-clone-detached.sh | |
parent | Sync with 1.7.7.4 (diff) | |
download | tgif-024c843d472658a3dabb344c843c9242c2f7e4de.tar.xz |
Makefile: add option to disable automatic dependency generation
Now that the COMPUTE_HEADER_DEPENDENCIES feature is turned on
automatically for compilers that support it (see v1.7.8-rc0~142^2~1,
2011-08-18), there is no easy way to force it off. For example,
setting COMPUTE_HEADER_DEPENDENCIES to the empty string in config.mak
just tells the makefile to treat it as undefined and run a test
command to see if the -MMD option is supported.
So allow setting COMPUTE_HEADER_DEPENDENCIES=no to explicitly force
the feature off. The new semantics:
- "yes" means to explicitly enable the feature
- "no" means to disable it
- "auto" means to autodetect
The default is still "auto". Any value other than these three will
cause the build to error out with a descriptive message so typos and
stale settings in config.mak don't result in mysterious behavior.
Makefile:1278: *** please set COMPUTE_HEADER_DEPENDENCIES to
yes, no, or auto (not "1"). Stop.
So now when someone using a compiler without -MMD support reports
trouble building git, you can reproduce it by running "make
COMPUTE_HEADER_DEPENDENCIES=no".
Suggested-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Improved-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Tested-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/t5707-clone-detached.sh')
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