Date: Sat, 3 Aug 2002 12:39:51 +0200 From: Tilman Linneweh <tilman@arved.de> To: ports@freebsd.org Cc: ade@freebsd.org Subject: Bug in c.m4 of autoconf installation overwrites CFLAGS? Message-ID: <20020803123951.6fd40e50.tilman@arved.de>
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Hello ade, Hello ports.
I think I found a problem in c.m4 installed by port devel/autoconf.
Please comment on this.
The Code from AC_PROG_CXX_G goes like this:
m4_define([_AC_PROG_CXX_G],
[ac_test_CXXFLAGS=${CXXFLAGS+set}
ac_save_CXXFLAGS=$CXXFLAGS
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
else
if test "$GXX" = yes; then
CXXFLAGS="-O2"
else
CXXFLAGS=
fi
fi[]dnl
])# _AC_PROG_CXX_G
This overwrites CXXFLAGS with O2 in every port that calls AC_PROG_CXX
or AC_PROG_CC.
IMHO the lines adding -O2 to CXXFLAGS and CFLAGS should be removed from c.m4
This would make work for porters a lot easier.
regards
arved
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