[ovs-git] Open vSwitch: configure: Add option --enable-Werror to add -Werror to CFLAGS. (master)

[dev at openvswitch.org]

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commit a64e37a1d3990b9c2524d166119cb5564dc5d96c
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=a64e37a1d3990b9c2524d166119cb5564dc5d96c
Author: Ben Pfaff <blp at nicira.com>
		
configure: Add option --enable-Werror to add -Werror to CFLAGS.
		
-Werror is useful for development, but it screws up configure because it's
impossible to guess what new warnings compilers will add in the future.
This commit adds a new configure option to add CFLAGS after the configure
checks are done.

The use of AC_CONFIG_COMMANDS_PRE is based on Eric Blake's suggestion on
the autoconf mailing list: "AC_CONFIG_COMMANDS_PRE probably fits the bill
as the ideal macro to use for guaranteeing that you inject your shell code
at the last possible moment."

Requested-by: Andrew Evans <aevans at nicira.com>


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Summary of changes:
 acinclude.m4 |   11 +++++++++++
 configure.ac |    1 +
 2 files changed, 12 insertions(+), 0 deletions(-)


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