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I need some help on this one. I don't know how to determine whether ornot the config.h file should be included in the test program or not.
Ben Stanley.
On Fri, 2008-05-23 at 22:20 +1000, Ben Stanley wrote:> Further to my previous email,> > The config.log file shows the following output for the test for> init_utsname in the case of the RHEL 5.1 kernel 2.6.18-53.1.19:> > configure:10792: checking for init_utsname> configure:10822: gcc -c -Wall -fno-strict-aliasing -g -O2> -I/lib/modules/2.6.18-53.1.19.el5/build/include> -I/lib/modules/2.6.18-53.1.19.el5/source/include -Iinclude -nostdinc> -iwithprefix include -DKBUILD_STR(s)=#s> -DKBUILD_BASENAME=KBUILD_STR(dummy) -DKBUILD_MODNAME=KBUILD_BASENAME> -Werror conftest.c >&5> In file included from conftest.c:52:> /lib/modules/2.6.18-53.1.19.el5/build/include/linux/config.h:6:2: error:> #warning Including config.h is deprecated.> configure:10828: $? = 1> configure: failed program was:> > I think it is failing because of the config.h warning.> > Ben Stanley.> > On Fri, 2008-05-23 at 21:39 +1000, Ben Stanley wrote:> > I have now refined the description of the original problem, after the> > other problems were resolved. The init_utsname problem only occurs with> > the RHE5.1 kernel, and not with the corresponding vanilla kernel.org> > kernel.> > > > My build procedure is (this is before Jaroslav fixed the alsa-kmirror> > issue):> > > > $ git clone git://git.alsa-project.org/alsa-kmirror.git alsa-kmirror> > $ git clone git://git.alsa-project.org/alsa-driver.git alsa-driver > > $ cd alsa-driver> > $ ALSAKERNELDIR=../alsa-kmirror ./gitcompile> > > > The Linux headers in /usr/include/linux are owned by the package> > linux-headers-2.6.8-53.1.19 from RHEL5.1 .> > > > Note the result> > checking for init_utsname... no> > However, this kernel includes a definition for init_utsname in> > include/linux/utsname.h:37:52. The configure test has detected the wrong> > result.> > > > Further down, the build fails> > > > CC [M] /home/stanb/Desktop/Drivers/alsa-driver/acore/info_oss.o> > In file included> > from /home/stanb/Desktop/Drivers/alsa-driver/acore/../alsa-kernel/core/info_oss.c:29,> > > > from /home/stanb/Desktop/Drivers/alsa-driver/acore/info_oss.c:7:> > include/linux/utsname.h:37:52: error: macro "init_utsname" passed 1> > arguments, but takes just 0> > In file included> > from /home/stanb/Desktop/Drivers/alsa-driver/acore/../alsa-kernel/core/info_oss.c:29,> > > > from /home/stanb/Desktop/Drivers/alsa-driver/acore/info_oss.c:7:> > include/linux/utsname.h:38: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or> > ‘__attribute__’ before ‘{’ token> > > > If I build against a kernel.org vanilla 2.6.18, as follows:> > > > $ cd linux-2.6.18> > $ make modules_prepare> > $ cd ..> > $ git clone git://git.alsa-project.org/alsa-kmirror.git alsa-kmirror> > $ git clone git://git.alsa-project.org/alsa-driver.git alsa-driver > > $ cd alsa-driver> > $ ALSAKERNELDIR=../alsa-kmirror ./gitcompile> > --with-kernel=../linux-2.6.18 --with-build=../linux-2.6.18> > > > Then the build fails further down (for a different reason):> > > > CC [M] /home/stanb/Desktop/Drivers/alsa-driver/pci/ice1712/ice1724.o> > In file included> > from /home/stanb/Desktop/Drivers/alsa-driver/pci/ice1712/ice1724.c:2:> > /home/stanb/Desktop/Drivers/alsa-driver/pci/ice1712/../../alsa-kernel/pci/ice1712/ice1724.c: In function ‘get_rawmidi_substream’:> > /home/stanb/Desktop/Drivers/alsa-driver/pci/ice1712/../../alsa-kernel/pci/ice1712/ice1724.c:240: warning: implicit declaration of function ‘list_first_entry’> > /home/stanb/Desktop/Drivers/alsa-driver/pci/ice1712/../../alsa-kernel/pci/ice1712/ice1724.c:241: error: expected expression before ‘struct’> > /home/stanb/Desktop/Drivers/alsa-driver/pci/ice1712/../../alsa-kernel/pci/ice1712/ice1724.c:241: warning: return makes pointer from integer without a cast> > make[4]: ***> > [/home/stanb/Desktop/Drivers/alsa-driver/pci/ice1712/ice1724.o] Error 1> > > > > > Ben Stanley.> > > > On Fri, 2008-05-23 at 11:41 +1000, Ben Stanley wrote:> > > Hi,> > > > > > alsa-drivers-HEAD does not compile against recent RHE5 kernels, such as > > > ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/kernel-2.6.18-53.1.21.el5.src.rpm> > > > > > The problem is mixed up with the test for init_utsname in configure.in:> > > > > > dnl Check for init_utsname...> > > if test "$kversion.$kpatchlevel" = "2.6" -a $ksublevel -ge 19; then> > > CONFIG_HAVE_INIT_UTSNAME=1> > > else> > > AC_MSG_CHECKING(for init_utsname)> > > init_utsname="0"> > > ac_save_CFLAGS="$CFLAGS"> > > ac_save_CC="$CC"> > > CFLAGS="$KERNEL_CHECK_CFLAGS -Werror"> > > CC=$KCC> > > AC_TRY_COMPILE([> > > #define __KERNEL__> > > #include <linux/config.h>> > > #include <linux/utsname.h>> > > ],[> > > int *x = (int *)init_utsname();> > > *x = 0;> > > ],> > > AC_MSG_RESULT(yes);init_utsname="1",> > > AC_MSG_RESULT(no);init_utsname="0",> > > AC_MSG_RESULT(unknown);init_utsname="0"> > > )> > > CFLAGS=$ac_save_CFLAGS> > > CC=$ac_save_CC> > > CONFIG_HAVE_INIT_UTSNAME=$init_utsname> > > fi> > > dnl AC_SUBST(CONFIG_HAVE_INIT_UTSNAME)> > > if test "$CONFIG_HAVE_INIT_UTSNAME" = "1"; then> > > AC_DEFINE(CONFIG_HAVE_INIT_UTSNAME)> > > fi> > > > > > The problem is that <linux/config.h> does not exist in recent kernel.org> > > and RH 2.6.18 kernels. The AC_TRY_COMPILE produces a negative result> > > (because of a warning, treated as an error, about the missing> > > linux/config.h file), which then causes CONFIG_HAVE_INIT_UTSNAME to NOT> > > be defined.> > > > > > This results in a compile failure in acore/info_oss.c .> > > > > > I'm not sure how this should be fixed. I'm also not sure why someone> > > else hasn't noticed it already, since it affects me with a standard> > > kernel.org kernel. Therefore, here is my test procedure.> > > > > > wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.25.tar.bz2> > > tar -xjf linux-2.6.25.tar.bz2> > > cd linux-2.6.25> > > make defconfig> > > make modules_prepare> > > cd ..> > > > > > (This next step takes *forever*)> > > git clone git://git.alsa-project.org/alsa-kernel.git alsa-kernel> > > > > > git clone git://git.alsa-project.org/alsa-driver.git alsa-driver> > > cd alsa-driver> > > ./gitcompile --with-kernel=../linux-2.6.25 --with-build=../linux-2.6.25> > > > > > This currently produces an error:> > > No alsa-kernel is found.> > > Please specify the correct location via ALSAKERNELDIR environment> > > variable.> > > > > > So instead I run> > > ALSAKERNELDIR=../alsa-kernel ./gitcompile --with-kernel=../linux-2.6.25> > > --with-build=../linux-2.6.25> > > and I get the same error.> > > > > > when I repeat the above with an alsa-kernel from hg, I do not get this> > > problem (in fact, alsa-driver compiles completely on the Ubuntu 7.10> > > machine I'm using for this test).> > > > > > So, I've got perhaps two different problems here. I need a hand.> > > > > > Ben Stanley.> > > > > > > > > _______________________________________________> > > Alsa-devel mailing list> > > Alsa-devel@xxxxxxxxxxxxxxxx> > > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel> > > > _______________________________________________> > Alsa-devel mailing list> > Alsa-devel@xxxxxxxxxxxxxxxx> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel> > _______________________________________________> Alsa-devel mailing list> Alsa-devel@xxxxxxxxxxxxxxxx> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
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