On Saturday 02 August 2003 07:46, Richard Bos wrote: > Op vrijdag 1 augustus 2003 21:38, schreef Frank A. Uepping: > > Unfortuantely AC_PROG_CXX includes the `-g' option in CXXFLAGS, > > with what I am not happy with. > > How can I get rid of the `-g' flag in a way that doesn't *clobber* a user > > supplied CXXFLAGS? > > (However, I assume resetting CXXFLAGS entirely is not wise, isn't it?) > > Is there any AC_ switch for it, or do I have to hack some shell code > > around AC_PROG_CXX? > > > > /FAU > > It seems defined in /usr/share/autoconf/autoconf/c.m4 > > where you have: > CXXFLAGS="-g" > AC_CACHE_CHECK(whether $CXX accepts -g, ac_cv_prog_cxx_g, > [_AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], > [ac_cv_prog_cxx_g=yes], > [ac_cv_prog_cxx_g=no])]) > if test "$ac_test_CXXFLAGS" = set; then > CXXFLAGS=$ac_save_CXXFLAGS > elif test $ac_cv_prog_cxx_g = yes; then > if test "$GXX" = yes; then > CXXFLAGS="-g -O2" > else > CXXFLAGS="-g" > fi > fi[]dnl > > I would expect no "-g" by default as well, and to be able to tell configure > use "-g" with e.g. an argument "enable-debug".
That is what I found reasonable too. I think the best way to achieve this is to alter directely the AC_PROG_CXX macro. /FAU
