From: Uwe Hermann <redacted>
Date: Fri, 28 Dec 2012 16:03:20 +0000 (+0100)
Subject: configure.ac: Fix CFLAGS settings.
X-Git-Tag: libsigrokdecode-0.1.1~16
X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=commitdiff_plain;h=6ff4cd08a0e6d29dd7587173defb8bf17c0d9b62;hp=6ff4cd08a0e6d29dd7587173defb8bf17c0d9b62

configure.ac: Fix CFLAGS settings.

Don't override/overwrite CFLAGS in configure.ac, but rather amend it
with (currently) "-Wall -Wextra".

This properly allows users/packagers to do things like:

 ./configure (this will default to using "-g -O2" additionally)

 CFLAGS="-g -O2" ./configure (same as above)

 CFLAGS="" ./configure (no additional flags)

 CFLAGS="-g -O0" ./configure (disable optimization, e.g. for valgrind use)

 etc. etc.
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