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build-sys: use _FORTIFY_SOURCE only if optimizing
authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Fri, 11 Jan 2013 15:03:04 +0000 (10:03 -0500)
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Fri, 11 Jan 2013 15:03:16 +0000 (10:03 -0500)
commit6a17986542912ed80d9fdc1b6eaa6d48fdd5d02d
treef7a0d07cdecaec2dac9dbe46a6a2a0d5ba9464a0tree | snapshot
parentb37844d3d72af3afbcb801476cf07c085519f392commit | diff
build-sys: use _FORTIFY_SOURCE only if optimizing

Rather then force the user to undefine _FORTIFY_SOURCE,
don't define it in the first place if it cannot be used.

I'm assuming that -O* can only be sensibly specified in $CFLAGS.
autogen.sh diff | blob | history
configure.ac diff | blob | history
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