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config: Allow setting USERNAME/HOSTNAME from the environment

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Allowing this to be controlled externally improves reproducibility, as
well as provides a more useful address to report for "Compiled by".  For
example, I intend to set it to the packaging list when building the
Debian package.

Signed-off-by: James McCoy <jamessan@jamessan.com>
This commit is contained in:
James McCoy
2016-10-08 14:22:36 -04:00
parent 1984072822
commit 9b0b281b75
1 changed files with 6 additions and 2 deletions
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8
config/CMakeLists.txt
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@@ -142,12 +142,16 @@ configure_file (
find_program(WHOAMI_PROG whoami) find_program(WHOAMI_PROG whoami)
find_program(HOSTNAME_PROG hostname) find_program(HOSTNAME_PROG hostname)
if (NOT DEFINED USERNAME AND EXISTS ${WHOAMI_PROG}) if (DEFINED ENV{USERNAME})
set(USERNAME $ENV{USERNAME})
elseif (NOT DEFINED USERNAME AND EXISTS ${WHOAMI_PROG})
execute_process(COMMAND ${WHOAMI_PROG} execute_process(COMMAND ${WHOAMI_PROG}
OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE USERNAME) OUTPUT_VARIABLE USERNAME)
endif() endif()
if (EXISTS ${HOSTNAME_PROG}) if (DEFINED ENV{HOSTNAME})
set(HOSTNAME $ENV{HOSTNAME})
elseif (EXISTS ${HOSTNAME_PROG})
execute_process(COMMAND ${HOSTNAME_PROG} execute_process(COMMAND ${HOSTNAME_PROG}
OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE HOSTNAME) OUTPUT_VARIABLE HOSTNAME)