On Wed, 24 Feb 2010, Roland McGrath wrote:
Thanks for the reply.
> -pthread is indeed sufficient when it's really given to the linking $CC run.
>
>> Does someone know why this is going wrong?
>
> In unbound.spec I see:
>
> %{__make} CFLAGS="$RPM_OPT_FLAGS -D_GNU_SOURCE" QUIET=no %{?_smp_mflags}
>
> This overrides the CFLAGS setting written into Makefile by configure.
Though CFLAGS is not the issue, LIBS= is.
> So what would work is:
>
> %configure ... \
> CFLAGS="$RPM_OPT_FLAGS -D_GNU_SOURCE"
That fails with:
+ cd /builddir/build/BUILD
+ cd unbound-1.4.1
+ LANG=C
+ export LANG
+ unset DISPLAY
+ CFLAGS='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables'
+ export CFLAGS
+ CXXFLAGS='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables'
+ export CXXFLAGS
+ FFLAGS='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables -I/usr/lib/gfortran/modules'
+ export FFLAGS
+ ./configure --build=i386-redhat-linux-gnu --host=i386-redhat-linux-gnu --program-prefix= --disable-dependency-tracking --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/var/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-ldns= --with-libevent --with-pthreads --with-ssl --disable-rpath --enable-debug --disable-static --with-conf-file=/etc/unbound/unbound.conf --with-pidfile=/var/run/unbound/unbound.pid --enable-sha2 'CFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables -D_GNU_SOURCE QUIET=no'
checking for i386-redhat-linux-gnu-gcc... no
checking for gcc... gcc
checking for C compiler default output file name...
configure: error: in `/builddir/build/BUILD/unbound-1.4.1':
configure: error: C compiler cannot create executables
See `config.log' for more details.
Paul
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