On Wed, Nov 12, 2014 at 7:57 PM, Dongsheng Song
<[email protected]> wrote:
> On Wed, Nov 12, 2014 at 6:04 PM, Tobias Burnus
> <[email protected]> wrote:
>> How do you configure? Do you still have some traces of --*cloog* there?
>> Where is ISL and CLooG? In-tree? Under /usr or in some other directory?
>> As it is a cross build: Do you have some config.cache file or similar
>> floating around, which is used for building GCC?
>>
>
> I use Debian 7.7 x64 to build 32 bit and 64 bit Windows compiler:
>
> export SYS_ROOT=${HOME}/cross/i686-windows-gcc-5.0
> export TARGET_TRIPLET=i686-w64-mingw32
>
> # export SYS_ROOT=${HOME}/cross/x86_64-windows-gcc-5.0
> # export TARGET_TRIPLET=x86_64-w64-mingw32
>
> export GCC_SRC_ROOT=${HOME}/vcs/svn/gcc/trunk
> export OBJ_ROOT=${HOME}/obj/${TARGET_TRIPLET}-gcc-5.0
> export NR_JOBS=`cat /proc/cpuinfo | grep '^processor\s*:' | wc -l`
>
> rm -fr ${OBJ_ROOT}/gcc
> mkdir -p ${OBJ_ROOT}/gcc
> cd ${OBJ_ROOT}/gcc
>
> ${GCC_SRC_ROOT}/configure \
> --prefix=${SYS_ROOT} \
> --with-sysroot=${SYS_ROOT} \
> --build=`/usr/share/misc/config.guess`
> --host=`/usr/share/misc/config.guess` --target=${TARGET_TRIPLET} \
> --disable-multilib --disable-nls \
> --enable-checking=release --enable-languages=c,c++,fortran \
> --enable-fully-dynamic-string --with-arch=core2 --with-tune=generic
>
> make -j${NR_JOBS} all-gcc
>
> It will failed with "undefined reference to `isl_...'", I found it
> didn't build ISL before build gcc. If I run
>
> make -j${NR_JOBS} all-isl
>
> Then run 'make -j${NR_JOBS} all-gcc' again, it will successed.
>
> So this issue is clear, 'all-gcc' target not depend on 'all-isl'.
> Before you remove cloog, 'all-gcc' target depend on 'all-cloog', then
> no such issue.
PS: I use in-tree-build of gmp, mpfr, mpc and ISL too:
~/vcs/svn/gcc/trunk$ ls
ABOUT-NLS configure.ac gmp-6.0.0 libbacktrace libjava
lto-plugin move-if-change
boehm-gc contrib gnattools libcc1 libobjc
ltoptions.m4 mpc
ChangeLog COPYING include libcilkrts
libquadmath ltsugar.m4 mpc-1.0.2
ChangeLog.jit COPYING3 INSTALL libcpp
libsanitizer ltversion.m4 mpfr
ChangeLog.tree-ssa COPYING3.LIB install-sh libdecnumber libssp
MAINTAINERS mpfr-3.1.2
compile COPYING.LIB intl libffi
libstdc++-v3 maintainer-scripts README
config COPYING.RUNTIME isl libgcc
libtool-ldflags Makefile.def symlink-tree
config.guess depcomp isl-0.12.2 libgfortran
libtool.m4 Makefile.in ylwrap
config-ml.in fixincludes isl-0.13 libgo libvtv
Makefile.tpl zlib
config.rpath gcc isl-0.14 libgomp
ltgcc.m4 missing
config.sub gmp libada libiberty
ltmain.sh mkdep
configure gmp-5.1.3 libatomic libitm
lt~obsolete.m4 mkinstalldirs
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