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build: fix reproducibility re. -fdebug-prefix-map

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If CFLAGS contains something like `-fdebug-prefix-map=/build/path=.`, we
need to remove it from CONFIG_ARGS so it doesn't get baked into `show
version`.  Otherwise, build becomes non-reproducible if the build path
changes.  To avoid other things creeping in, let's just remove *FLAGS in
their entirety.  (Not really reliable information anyway.)

With this commit, FRR build should be 100% reproducible.

Signed-off-by: David Lamparter <equinox@diac24.net>
This commit is contained in:
David Lamparter 2018-10-30 02:02:00 +01:00 committed by David Lamparter
parent e4cdd7ccc5
commit 9b76e054ad
1 changed files with 1 additions and 1 deletions
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2
configure.ac
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@ -13,7 +13,7 @@ AC_SUBST([PACKAGE_URL])
PACKAGE_FULLNAME="FRRouting"
AC_SUBST([PACKAGE_FULLNAME])
CONFIG_ARGS="$ac_configure_args"
CONFIG_ARGS="`echo $ac_configure_args | sed -e \"s% '[[A-Z]]*FLAGS=[[^']]\+'%%g\"`"
AC_SUBST([CONFIG_ARGS])
AC_CONFIG_SRCDIR([lib/zebra.h])