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Old 04-13-2010, 02:24 PM
Hector Oron
 
Default Bug#577674: gcc-4.4/cross: broken bi-arch architectures

Package: gcc-4.4
Version: 4.4.3-7
Severity: wishlist


Hello,

When building cross compilers (only seen on biarch architectures):

Builds are done with:
GCC_TARGET=powerpc DEB_CROSS=yes fakeroot debian/rules control
DEB_CROSS_NO_BIARCH=yes DH_VERBOSE=1 GCC_TARGET=powerpc DEB_CROSS=yes dpkg-buildpackage -us -uc -rfakeroot

dh_makeshlibs -plib64gomp1-powerpc-cross
rm -f debian/lib64gomp1-powerpc-cross/DEBIAN/shlibs
sed s/-powerpc-cross//g < debian/lib64gomp1-powerpc-cross/DEBIAN/shlibs > debian/lib64gomp1-powerpc-cross/DEBIAN/shlibs.fixed
/bin/bash: debian/lib64gomp1-powerpc-cross/DEBIAN/shlibs: No such file or directory
make[1]: *** [stamps/08-binary-stamp-lib64gomp] Error 1
make[1]: Leaving directory `/home/zumbi/buildcross/trunk/test/gcc-4.4-4.4.3'
make: *** [binary] Error 2
dpkg-buildpackage: error: fakeroot debian/rules binary gave error exit status 2

There are no files under debian/lib64gomp1-powerpc-cross/usr/lib64/, so shlibs file is not created and should not be built on a DEB_NO_BIARCH=yes build.


If you workarround this issue, another issues follow:

* Also tries to build lib64fortran3

* Tries to create an existing file and fails:
mkdir: cannot create directory `debian/libstdc++6-powerpc-cross-deps': File exists

* Tries to write on a directory owned by root (making fakeroot unusable)
ln: creating symbolic link `debian/libstdc++6-powerpc-cross-deps/lib/lib': Permission denied

* And I also believe (not sure) it tries to run the testsuite on cross builds, which should be avoided or done remotely.

Feel free to split this bug if you find this issues should be worked out as separated bugs.

Kind regards,
Hector Oron

==> powerlog-fortran.txt <== find debian/lib64gfortran3-powerpc-cross -perm -5 -type f ( -name '*.cmxs' ) -print0 2>/dev/null | xargs -0r chmod 644
find debian/lib64gfortran3-powerpc-cross/usr/lib/perl5 debian/lib64gfortran3-powerpc-cross/usr/share/perl5 -type f -perm -5 -name '*.pm' -print0 2>/dev/null | xargs -0r chmod a-Xdh_makeshlibs -plib64gfortran3-powerpc-cross
rm -f debian/lib64gfortran3-powerpc-cross/DEBIAN/shlibssed -i s/-powerpc-cross//g debian/lib64gfortran3-powerpc-cross/DEBIAN/shlibs
sed: can't read debian/lib64gfortran3-powerpc-cross/DEBIAN/shlibs: No such file or directory
make[1]: *** [stamps/08-binary-stamp-lib64fortran] Error 2
make[1]: Leaving directory `/home/zumbi/buildcross/trunk/powerpc/gcc-4.4-4.4.3'
make: *** [binary] Error 2
dpkg-buildpackage: error: fakeroot debian/rules binary gave error exit status 2

==> powerlog-libstdc++.txt <==
chmod 644 debian/libstdc++6-powerpc-cross/DEBIAN/shlibs
chown 0:0 debian/libstdc++6-powerpc-cross/DEBIAN/shlibs
sed s/-powerpc-cross//g < debian/libstdc++6-powerpc-cross/DEBIAN/shlibs > debian/libstdc++6-powerpc-cross/DEBIAN/shlibs.fixed
mv debian/libstdc++6-powerpc-cross/DEBIAN/shlibs.fixed debian/libstdc++6-powerpc-cross/DEBIAN/shlibs
mkdir debian/libstdc++6-powerpc-cross-deps
mkdir: cannot create directory `debian/libstdc++6-powerpc-cross-deps': File exists
make[1]: *** [stamps/08-binary-stamp-libstdcxx] Error 1
make[1]: Leaving directory `/home/zumbi/buildcross/trunk/powerpc/gcc-4.4-4.4.3'
make: *** [binary] Error 2
dpkg-buildpackage: error: fakeroot debian/rules binary gave error exit status 2

==> powerlog-libstdc++-2.txt <==
chown 0:0 debian/libstdc++6-powerpc-cross/DEBIAN/shlibs
sed s/-powerpc-cross//g < debian/libstdc++6-powerpc-cross/DEBIAN/shlibs > debian/libstdc++6-powerpc-cross/DEBIAN/shlibs.fixed
mv debian/libstdc++6-powerpc-cross/DEBIAN/shlibs.fixed debian/libstdc++6-powerpc-cross/DEBIAN/shlibs
test -d debian/libstdc++6-powerpc-cross-deps || mkdir debian/libstdc++6-powerpc-cross-deps
ln -s "`readlink -e /usr/powerpc-linux-gnu/lib`" debian/libstdc++6-powerpc-cross-deps/lib
ln: creating symbolic link `debian/libstdc++6-powerpc-cross-deps/lib/lib': Permission denied
make[1]: *** [stamps/08-binary-stamp-libstdcxx] Error 1
make[1]: Leaving directory `/home/zumbi/buildcross/trunk/powerpc/gcc-4.4-4.4.3'
make: *** [binary] Error 2
dpkg-buildpackage: error: fakeroot debian/rules binary gave error exit status 2



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Old 04-13-2010, 03:18 PM
Matthias Klose
 
Default Bug#577674: gcc-4.4/cross: broken bi-arch architectures

tag 577674 + help
thanks

On 13.04.2010 16:24, Hector Oron wrote:

Package: gcc-4.4
Version: 4.4.3-7
Severity: wishlist


Hello,

When building cross compilers (only seen on biarch architectures):


Hector, it's known to be broken. Are you working on a patch/fix?

Matthias




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Old 04-13-2010, 03:39 PM
Hector Oron
 
Default Bug#577674: gcc-4.4/cross: broken bi-arch architectures

Hello Matthias,
> Hector, it's known to be broken. Are you working on a patch/fix?

I am not sure what you are trying to accomplish by those changes, so I
wanted to know that first.
If none is working on a fix I would not mind to work on it, but I am
short on time these days, so do not expect something soon.

I'll work on it if you do not state the contrary. :-)

Kind regards,
--
Héctor Orón

"Our Sun unleashes tremendous flares expelling hot gas into the Solar
System, which one day will disconnect us."



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Old 04-13-2010, 03:49 PM
Matthias Klose
 
Default Bug#577674: gcc-4.4/cross: broken bi-arch architectures

On 13.04.2010 17:39, Hector Oron wrote:

Hello Matthias,

Hector, it's known to be broken. Are you working on a patch/fix?


I am not sure what you are trying to accomplish by those changes, so I
wanted to know that first.


building libgomp.


If none is working on a fix I would not mind to work on it, but I am
short on time these days, so do not expect something soon.

I'll work on it if you do not state the contrary. :-)


the right fix would be to merge the .cross.mk files into the native ones, but
not using one big ifdef, starting with one file




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Old 04-13-2010, 03:52 PM
Hector Oron
 
Default Bug#577674: gcc-4.4/cross: broken bi-arch architectures

Hello,

2010/4/13 Matthias Klose <doko@debian.org>:
> the right fix would be to merge the .cross.mk files into the native ones,
> but not using one big ifdef, starting with one file

OK, I'll start with libgcc

--
Héctor Orón

"Our Sun unleashes tremendous flares expelling hot gas into the Solar
System, which one day will disconnect us."



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Old 04-21-2010, 04:27 PM
Hector Oron
 
Default Bug#577674: gcc-4.4/cross: broken bi-arch architectures

Hello Matthias,

I have started to do some work in this way, it is still WIP, but I
would like you to check if this way is OK with you then prepare
something more mergeable

There are two merge patches below:

>From 024f597bbe0aa95fe967cc60abb0edec6f2694b3 Mon Sep 17 00:00:00 2001
From: Hector Oron <hector.oron@gmail.com>
Date: Wed, 21 Apr 2010 00:34:38 +0200
Subject: [PATCH 1/4] Merge rules.d/binary-cpp-cross.mk into binary-cpp.mk

Signed-off-by: Hector Oron <hector.oron@gmail.com>
---
debian/rules.d/binary-cpp.mk | 22 ++++++++++++++++++++++
1 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/debian/rules.d/binary-cpp.mk b/debian/rules.d/binary-cpp.mk
index 6e1060f..efaad9e 100644
--- a/debian/rules.d/binary-cpp.mk
+++ b/debian/rules.d/binary-cpp.mk
@@ -8,9 +8,18 @@ dirs_cpp =
$(PF)/share/man/man1
$(PF)/bin

+ifeq ($(DEB_CROSS),yes)
+dirs_cpp +=
+ $(gcc_lexec_dir)
+files_cpp =
+ $(PF)/bin/$(DEB_TARGET_GNU_TYPE)-cpp$(pkg_ver)
+ $(PF)/share/man/man1/$(DEB_TARGET_GNU_TYPE)-cpp$(pkg_ver).1
+ $(gcc_lexec_dir)/cc1
+else
files_cpp =
$(PF)/bin/cpp$(pkg_ver)
$(gcc_lexec_dir)/cc1
+endif

ifneq ($(GFDL_INVARIANT_FREE),yes)
files_cpp +=
@@ -27,6 +36,14 @@ $(binary_stamp)-cpp: $(install_stamp)
dh_installdirs -p$(p_cpp) $(dirs_cpp)
DH_COMPAT=2 dh_movefiles -p$(p_cpp) $(files_cpp)

+ifeq ($(DEB_CROSS),yes)
+ifeq ($(with_unversioned),yes)
+ ln -sf $(DEB_TARGET_GNU_TYPE)-cpp$(pkg_ver)
+ $(d_cpp)/$(PF)/bin/$(DEB_TARGET_GNU_TYPE)-cpp
+ ln -sf $(DEB_TARGET_GNU_TYPE)-cpp$(pkg_ver).1
+ $(d_cpp)/$(PF)/share/man/man1/$(DEB_TARGET_GNU_TYPE)-cpp.1
+endif
+else
ln -sf cpp$(pkg_ver)
$(d_cpp)/$(PF)/bin/$(DEB_TARGET_GNU_TYPE)-cpp$(pkg_ver)
ln -sf cpp$(pkg_ver)
@@ -47,6 +64,11 @@ endif
dh_shlibdeps -p$(p_cpp)
dh_gencontrol -p$(p_cpp) -- -v$(DEB_VERSION) $(common_substvars)
dh_installdeb -p$(p_cpp)
+ifeq ($(DEB_CROSS),yes)
+ sed 's/cross-/$(DEB_TARGET_GNU_TYPE)-/g;s/-ver/$(pkg_ver)/g;s/gcc/cpp/g'
< debian/gcc-cross.postinst > debian/$(p_cpp)/DEBIAN/postinst
+ sed 's/cross-/$(DEB_TARGET_GNU_TYPE)-/g;s/-ver/$(pkg_ver)/g;s/gcc/cpp/g'
< debian/gcc-cross.prerm > debian/$(p_cpp)/DEBIAN/prerm
+ chmod 755 debian/$(p_cpp)/DEBIAN/{postinst,prerm}
+endif
dh_md5sums -p$(p_cpp)
dh_builddeb -p$(p_cpp)

--
1.7.0

================================================== ==============

>From 8b4746e67bc69667477bfbd83176eb36005ca7f5 Mon Sep 17 00:00:00 2001
From: Hector Oron <hector.oron@gmail.com>
Date: Wed, 21 Apr 2010 00:52:47 +0200
Subject: [PATCH 2/4] Merge rules.d/binary-cxx-cross.mk into binary-cxx.mk

Signed-off-by: Hector Oron <hector.oron@gmail.com>
---
debian/rules.d/binary-cxx.mk | 46 +++++++++++++++++++++++++++++++++++++----
1 files changed, 41 insertions(+), 5 deletions(-)

diff --git a/debian/rules.d/binary-cxx.mk b/debian/rules.d/binary-cxx.mk
index 08bb327..f26b6bb 100644
--- a/debian/rules.d/binary-cxx.mk
+++ b/debian/rules.d/binary-cxx.mk
@@ -3,6 +3,18 @@ ifneq (,$(filter yes, $(biarch64) $(biarch32) $(biarchn32)))
endif
arch_binaries := $(arch_binaries) cxx

+# XXX This can probably be refactored better
+ifeq($(DEB_CROSS),yes)
+dirs_cxx =
+ $(docdir)
+ $(PF)/bin
+ $(gcc_lib_dir)
+ $(PF)/share/man/man1
+files_cxx =
+ $(PF)/bin/$(DEB_TARGET_GNU_TYPE)-g++$(pkg_ver)
+ $(PF)/share/man/man1/$(DEB_TARGET_GNU_TYPE)-g++$(pkg_ver).1
+ $(gcc_lib_dir)/cc1plus
+else
dirs_cxx =
$(docdir)/$(p_base)/C++
$(PF)/bin
@@ -12,15 +24,15 @@ dirs_cxx =
files_cxx =
$(PF)/bin/g++$(pkg_ver)
$(gcc_lexec_dir)/cc1plus
+p_cxx_m = g++$(pkg_ver)-multilib
+d_cxx_m = debian/$(p_cxx_m)
+endif

ifneq ($(GFDL_INVARIANT_FREE),yes)
files_cxx +=
$(PF)/share/man/man1/g++$(pkg_ver).1
endif

-p_cxx_m = g++$(pkg_ver)-multilib
-d_cxx_m = debian/$(p_cxx_m)
-
# ----------------------------------------------------------------------
$(binary_stamp)-cxx: $(install_stamp)
dh_testdir
@@ -30,14 +42,27 @@ $(binary_stamp)-cxx: $(install_stamp)
rm -rf $(d_cxx)
dh_installdirs -p$(p_cxx) $(dirs_cxx)
DH_COMPAT=2 dh_movefiles -p$(p_cxx) $(files_cxx)
-
+ifneq ($(DEB_CROSS),yes)
ln -sf g++$(pkg_ver)
$(d_cxx)/$(PF)/bin/$(DEB_TARGET_GNU_TYPE)-g++$(pkg_ver)
ln -sf g++$(pkg_ver)
$(d_cxx)/$(PF)/bin/$(TARGET_ALIAS)-g++$(pkg_ver)
+endif

ifneq ($(GFDL_INVARIANT_FREE),yes)
# g++ man page is a .so link
+# XXX HO: Need better integration
+ifneq ($(DEB_CROSS),yes)
+ rm -f $(d_cxx)/$(PF)/share/man/man1/$(DEB_TARGET_GNU_TYPE)-g++$(pkg_ver).1
+ ln -sf $(DEB_TARGET_GNU_TYPE)-gcc$(pkg_ver).1.gz
+ $(d_cxx)/$(PF)/share/man/man1/$(DEB_TARGET_GNU_TYPE)-g++$(pkg_ver).1.gz
+ifeq ($(with_unversioned),yes)
+ ln -sf $(DEB_TARGET_GNU_TYPE)-g++$(pkg_ver)
+ $(d_cxx)/$(PF)/bin/$(DEB_TARGET_GNU_TYPE)-g++
+ ln -sf $(DEB_TARGET_GNU_TYPE)-g++$(pkg_ver).1
+ $(d_cxx)/$(PF)/share/man/man1/$(DEB_TARGET_GNU_TYPE)-g++.1
+
+else
rm -f $(d_cxx)/$(PF)/share/man/man1/g++$(pkg_ver).1
ln -sf gcc$(pkg_ver).1.gz
$(d_cxx)/$(PF)/share/man/man1/g++$(pkg_ver).1.gz
@@ -48,11 +73,15 @@ ifneq ($(GFDL_INVARIANT_FREE),yes)
endif

debian/dh_doclink -p$(p_cxx) $(p_base)
+# For cross targets we do not need it
+ifneq($(DEB_CROSS),yes)
cp -p debian/README.C++ $(d_cxx)/$(docdir)/$(p_base)/C++/
cp -p $(srcdir)/gcc/cp/ChangeLog
$(d_cxx)/$(docdir)/$(p_base)/C++/changelog
+endif
debian/dh_rmemptydirs -p$(p_cxx)
-
+# For cross targets we do not need it
+ifneq($(DEB_CROSS),yes)
mkdir -p $(d_cxx)/$(docdir)/$(p_base)/test-summaries
echo "TEST COMPARE BEGIN"
ifeq ($(with_check),yes)
@@ -79,6 +108,7 @@ else
echo "Nothing to compare (testsuite not run)"
endif
echo "TEST COMPARE END"
+endif # end DEB_CROSS

dh_strip -p$(p_cxx)
dh_compress -p$(p_cxx)
@@ -86,12 +116,18 @@ endif
dh_shlibdeps -p$(p_cxx)
dh_gencontrol -p$(p_cxx) -- -v$(DEB_VERSION) $(common_substvars)
dh_installdeb -p$(p_cxx)
+ifeq($(DEB_CROSS),yes)
+ sed 's/cross-/$(DEB_TARGET_GNU_TYPE)-/g;s/-ver/$(pkg_ver)/g;s/gcc/g++/g'
< debian/gcc-cross.postinst > debian/$(p_cxx)/DEBIAN/postinst
+ sed 's/cross-/$(DEB_TARGET_GNU_TYPE)-/g;s/-ver/$(pkg_ver)/g;s/gcc/g++/g'
< debian/gcc-cross.prerm > debian/$(p_cxx)/DEBIAN/prerm
+ chmod 755 debian/$(p_cxx)/DEBIAN/{postinst,prerm}
+endif
dh_md5sums -p$(p_cxx)
dh_builddeb -p$(p_cxx)

trap ' 1 2 3 15; touch $@; mv $(install_stamp)-tmp $(install_stamp)

# ----------------------------------------------------------------------
+# XXX HO: Only for native builds, do we want to implement cross targets here?
$(binary_stamp)-cxx-multi: $(install_stamp)
dh_testdir
dh_testroot
--
1.7.0

OK to proceed with the rest?

Kind regards,
--
Héctor Orón

"Our Sun unleashes tremendous flares expelling hot gas into the Solar
System, which one day will disconnect us."



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Old 04-24-2010, 03:46 PM
Matthias Klose
 
Default Bug#577674: gcc-4.4/cross: broken bi-arch architectures

On 21.04.2010 18:27, Hector Oron wrote:

Hello Matthias,

I have started to do some work in this way, it is still WIP, but I
would like you to check if this way is OK with you then prepare
something more mergeable

There are two merge patches below:


From 024f597bbe0aa95fe967cc60abb0edec6f2694b3 Mon Sep 17 00:00:00 2001

From: Hector Oron<hector.oron@gmail.com>
Date: Wed, 21 Apr 2010 00:34:38 +0200
Subject: [PATCH 1/4] Merge rules.d/binary-cpp-cross.mk into binary-cpp.mk

Signed-off-by: Hector Oron<hector.oron@gmail.com>
---
debian/rules.d/binary-cpp.mk | 22 ++++++++++++++++++++++
1 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/debian/rules.d/binary-cpp.mk b/debian/rules.d/binary-cpp.mk
index 6e1060f..efaad9e 100644
--- a/debian/rules.d/binary-cpp.mk
+++ b/debian/rules.d/binary-cpp.mk
@@ -8,9 +8,18 @@ dirs_cpp =
$(PF)/share/man/man1
$(PF)/bin

+ifeq ($(DEB_CROSS),yes)
+dirs_cpp +=
+ $(gcc_lexec_dir)


not cross specific


+files_cpp =
+ $(PF)/bin/$(DEB_TARGET_GNU_TYPE)-cpp$(pkg_ver)
+ $(PF)/share/man/man1/$(DEB_TARGET_GNU_TYPE)-cpp$(pkg_ver).1


that shouldn't be ifdef'd, but something like cmd_prefix set to
$(DEB_TARGET_GNU_TYPE)- for the cross case.



+ $(gcc_lexec_dir)/cc1
+else
files_cpp =
$(PF)/bin/cpp$(pkg_ver)
$(gcc_lexec_dir)/cc1
+endif


and then the whole ifdef is not necessary.


@@ -27,6 +36,14 @@ $(binary_stamp)-cpp: $(install_stamp)
dh_installdirs -p$(p_cpp) $(dirs_cpp)
DH_COMPAT=2 dh_movefiles -p$(p_cpp) $(files_cpp)

+ifeq ($(DEB_CROSS),yes)
+ifeq ($(with_unversioned),yes)
+ ln -sf $(DEB_TARGET_GNU_TYPE)-cpp$(pkg_ver)
+ $(d_cpp)/$(PF)/bin/$(DEB_TARGET_GNU_TYPE)-cpp
+ ln -sf $(DEB_TARGET_GNU_TYPE)-cpp$(pkg_ver).1
+ $(d_cpp)/$(PF)/share/man/man1/$(DEB_TARGET_GNU_TYPE)-cpp.1
+endif


there is fixup code in debian/rules2 for the unversioned stuff, maybe better
extend this, and elimintate the ifdef here.



+else
ln -sf cpp$(pkg_ver)
$(d_cpp)/$(PF)/bin/$(DEB_TARGET_GNU_TYPE)-cpp$(pkg_ver)
ln -sf cpp$(pkg_ver)
@@ -47,6 +64,11 @@ endif
dh_shlibdeps -p$(p_cpp)
dh_gencontrol -p$(p_cpp) -- -v$(DEB_VERSION) $(common_substvars)
dh_installdeb -p$(p_cpp)
+ifeq ($(DEB_CROSS),yes)
+ sed 's/cross-/$(DEB_TARGET_GNU_TYPE)-/g;s/-ver/$(pkg_ver)/g;s/gcc/cpp/g'
< debian/gcc-cross.postinst> debian/$(p_cpp)/DEBIAN/postinst
+ sed 's/cross-/$(DEB_TARGET_GNU_TYPE)-/g;s/-ver/$(pkg_ver)/g;s/gcc/cpp/g'
< debian/gcc-cross.prerm> debian/$(p_cpp)/DEBIAN/prerm
+ chmod 755 debian/$(p_cpp)/DEBIAN/{postinst,prerm}
+endif


that should be a macro, which expands to nothing for the native build, and to
the mangling for the cross build, called with no ifdef.


$(call cross_mangle_scripts, $(p_gcc))

The macro should find out itself which scripts should be mangled.

I would place these macros in rules.defs for now.

The more interesting case is the merging of the library packaging. I would
recommend starting with some lib which is not libgcc or libstdc++ for the easy
cases.


Matthias



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