>А вот вам убунта...
>... -g ...

М-да.

ALT Linux:

Build platform
target
i586-alt-linux-gnu

Build tools
Compiler     Version     Compiler flags
gcc     gcc version 4.3.2 20081105 (ALT Linux 4.3.2-alt7) (GCC)     -Wall -W -Wno-unused -Wpointer-arith -Wcast-align -W -Wno-long-long -pedantic -pipe -Wall -O2 -march=i586 -mtune=i686 -fPIC -DPIC -fno-strict-aliasing -pthread -pipe
c++     gcc version 4.3.2 20081105 (ALT Linux 4.3.2-alt7) (GCC)     -fno-rtti -fno-exceptions -Wall -Wconversion -Wpointer-arith -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor -Wcast-align -Wno-long-long -pedantic -pipe -Wall -O2 -march=i586 -mtune=i686 -fPIC -DPIC -fno-strict-aliasing -fshort-wchar -pthread -pipe

Configure arguments
--build=i586-alt-linux --host=i586-alt-linux --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib --libexecdir=/usr/lib --localstatedir=/var/lib --sharedstatedir=/usr/com --mandir=/usr/share/man --infodir=/usr/share/info --disable-dependency-tracking --without-included-gettext --includedir=/usr/include --disable-activex --disable-activex-scripting --disable-tests --disable-installer --disable-updater --disable-crashreporter --disable-mochitest --disable-freetype2 --disable-javaxpcom --disable-elf-dynstr-gc --enable-xft --enable-crypto --enable-application=xulrunner --enable-optimize=-O2 --enable-default-toolkit=cairo-gtk2 --enable-canvas --enable-safe-browsing --enable-url-classifier --enable-jemalloc --enable-oji --enable-strip --enable-install-strip --disable-debug --enable-svg --enable-svg-renderer-cairo --enable-libxul --enable-system-sqlite --enable-system-hunspell --enable-extensions=default,python/xpcom --without-system-png --enable-places --enable-storage --enable-system-lcms --enable-system-cairo --with-system-nspr --with-system-nss --with-system-jpeg --with-system-zlib --with-system-bz2 --with-pthreads