RE: failure to build backports on ubuntu

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> 
> On Tue, Oct 28, 2014 at 1:07 PM, Grumbach, Emmanuel
> <emmanuel.grumbach@xxxxxxxxx> wrote:
> >>
> >> On Tue, Oct 28, 2014 at 10:08 AM, Grumbach, Emmanuel
> >> <emmanuel.grumbach@xxxxxxxxx> wrote:
> >> >
> >> > I can't make menuconfig. Reverting this patch fixes it.
> >>
> >> There's no context provided here, gcc version, Linux distribution,
> >> etc. With some of that it would help.
> >>
> >
> > * Ubuntu 14.04
> > *  gcc -v
> > Using built-in specs.
> > COLLECT_GCC=/usr/bin/gcc
> > COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.8/lto-wrapper
> > Target: x86_64-linux-gnu
> > Configured with: ../src/configure -v --with-pkgversion='Ubuntu
> > 4.8.2-19ubuntu1'
> > --with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs
> > --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr
> > --program-suffix=-4.8 --enable-shared --enable-linker-build-id
> > --libexecdir=/usr/lib --without-included-gettext
> > --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.8
> > --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
> > --enable-libstdcxx-debug --enable-libstdcxx-time=yes
> > --enable-gnu-unique-object --disable-libmudflap --enable-plugin
> > --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk
> > --enable-gtk-cairo
> > --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre
> > --enable-java-home
> > --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64
> > --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64
> > --with-arch-directory=amd64
> > --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc
> > --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64
> > --with-multilib-list=m32,m64,mx32 --with-tune=generic
> > --enable-checking=release --build=x86_64-linux-gnu
> > --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix
> > gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1)
> >
> > I am compiling against 3.16.1
> >
> > Please let me know what else you want to know.
> 
> The kernel solution to this uses an internal kernel variables to prefix flags for
> the linker, the solution I provided is supposed to do that but perhaps for
> some older linker it doesn't do that, I'm afraid that since we don't have the
> internal variable solution and that porting it would be hard (probably
> pointless) we'll have to work around this then as mimicking that won't be
> easy
> 
> Can you try a solution on the backport/kconf/Makefile that see's if
> lsb_release is available and use that for older releases of Ubuntu?
> I'd try it but since you have the system I figure it'd be easier.
> 

This works for me:


diff --git a/backport/kconf/Makefile b/backport/kconf/Makefile
index dfd793a..8398f35 100644
--- a/backport/kconf/Makefile
+++ b/backport/kconf/Makefile
@@ -3,7 +3,15 @@ CFLAGS=-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer
 LXDIALOG := lxdialog/checklist.o lxdialog/inputbox.o lxdialog/menubox.o lxdialog/textbox.o lxdialog/util.o lxdialog/yesno.o
 
 conf: conf.o zconf.tab.o
-mconf: LDFLAGS = -Wl,--no-as-needed $(shell ./lxdialog/check-lxdialog.sh -ldflags $(CC))
+
+RELEASE=$(shell lsb_release -si)
+ifeq ($(RELEASE), Ubuntu)
+       AS_NEEDED=--no-as-needed
+else
+       AS_NEEDED=--add-needed
+endif
+mconf: LDFLAGS = -Wl,$(AS_NEEDED) $(shell ./lxdialog/check-lxdialog.sh -ldflags $(CC))
+
 mconf: CFLAGS += -DCURSES_LOC="<ncurses.h>" -DLOCALE
 mconf: mconf.o zconf.tab.o $(LXDIALOG)




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