Date: Thu, 22 Feb 2007 22:45:48 +0100 From: Gabor Kovesdan <gabor@FreeBSD.org> To: Giorgos Keramidas <keramida@ceid.upatras.gr> Cc: freebsd-questions@freebsd.org Subject: Re: How to build program with debug symbols Message-ID: <45DE0F0C.6050005@FreeBSD.org> In-Reply-To: <20070222213541.GB1781@kobe.laptop> References: <20070222160325.8AE0.GERARD@seibercom.net> <20070222213541.GB1781@kobe.laptop>
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Giorgos Keramidas schrieb: > On 2007-02-22 16:03, Gerard <gerard@seibercom.net> wrote: > >> FreeBSD-6.2 >> I need to know how to build a program with debugging symbols. The >> problem I am having is that claws-mail-2.7.2 continually crashes but >> does not display any debug symbols. I talked with the claws-mail >> people, and they advised me to build a version with debug symbols >> since the output I supplied them was useless without it. Their >> suggestion was that I build from a tarball and use the proper Ąconfig˘ >> flags to get debug symbols included in the program. The problem is >> that I would rather not mess with that scenario, but rather use the >> port version instead. The port version does have an option to build a >> debug version, but apparently, the symbols are stripped out when the >> program is installed. >> >> The port maintainer suggested that I use this is the Makefile: >> >> "STRIP= #empty" >> >> However, he is not even sure if it will work. I just want to find out >> what the best way to go about this is so that I can get this problem >> resolved. >> > > I think it's much better to avoid tweaking ${STRIP} and set DEBUG_FLAGS > instead. You have to make sure that at least the claws-mail-2.7.2 port > is *rebuilt* from source. The following should work fine: > > # cd /usr/ports/mail/claws-mail > # make deinstall > # env DEBUG_FLAGS='-ggdb' make install > > The STRIP variable is explicitly set to an empty value when DEBUG_FLAGS > is defined, so you get both a debugging *and* non-stripped binary by > setting DEBUG_FLAGS. > > Or you can just define the newly introduced WITH_DEBUG macro, which will does the trick for you: make -DWITH_DEBUG install Still, you can customize the DEBUG_FLAGS to set which flags you want to add. Besides, the flags that can do harm (-O[123s] and such) will be stripped out from CFLAGS. Regards, Gabor
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