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| From: | Ralf Corsepius |
| Subject: | Re: Override default CXXFLAGS |
| Date: | Sat, 22 Jan 2011 11:16:34 +0100 |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc14 Thunderbird/3.1.7 |
On 01/22/2011 03:50 AM, Sergio Belkin wrote:
I answer myself: RTMF :)
"If using the GNU C compiler, set shell variable GCC to ‘yes’. If
output variable CFLAGS was not already set, set it to -g -O2 for the
GNU C compiler (-O2 on systems where GCC does not accept -g), or -g
for other compilers. If your package does not like this default, then
it is acceptable to insert the line ‘: ${CFLAGS=""}’ after AC_INIT and
before AC_PROG_CC to select an empty default instead. "
That's only half of the story ("-O2 -g is gcc-specific").
CXXFLAGS needs to stay overridable from the configure command-line
(configure CXXFLAGS="..." and from the envirionment
(CXXFLAGS="..." configure). Ralf
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