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Subject: Re: [nfs-utils RESENT PATCH 1/1] locktes/rpcgen: tweak how we
 override compiler settings
To:     Petr Vorel <petr.vorel@gmail.com>
Cc:     linux-nfs@vger.kernel.org, Mike Frysinger <vapier@gentoo.org>,
        Giulio Benetti <giulio.benetti@benettiengineering.com>
References: <20200105120502.765426-1-petr.vorel@gmail.com>
 <fb4dd073-856a-7807-eb71-f594e58732cb@RedHat.com>
 <bda9e61c-1a06-5ab3-339f-c38e9a68fb73@RedHat.com>
 <20200114183603.GA24556@dell5510>
From:   Steve Dickson <SteveD@RedHat.com>
Message-ID: <db2c8006-5520-e34e-b759-42783f965d1c@RedHat.com>
Date:   Thu, 16 Jan 2020 16:22:03 -0500
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On 1/14/20 1:36 PM, Petr Vorel wrote:
> Hi Steve,
> 
>> Actually try this one... the one that works! ;-) 
> 
>> diff --git a/tools/locktest/Makefile.am b/tools/locktest/Makefile.am
>> index 3156815..d5cf8da 100644
>> --- a/tools/locktest/Makefile.am
>> +++ b/tools/locktest/Makefile.am
>> @@ -1,12 +1,11 @@
>>  ## Process this file with automake to produce Makefile.in
> 
>>  CC=$(CC_FOR_BUILD)
>> -LIBTOOL = @LIBTOOL@ --tag=CC
>> +AM_CFLAGS=$(CFLAGS_FOR_BUILD)
>> +AM_CPPFLAGS=$(CPPFLAGS_FOR_BUILD)
>> +AM_LDFLAGS=$(LDFLAGS_FOR_BUILD)
> 
>>  noinst_PROGRAMS = testlk
>>  testlk_SOURCES = testlk.c
>> -testlk_CFLAGS=$(CFLAGS_FOR_BUILD)
>> -testlk_CPPFLAGS=$(CPPFLAGS_FOR_BUILD)
>> -testlk_LDFLAGS=$(LDFLAGS_FOR_BUILD)
> 
>>  MAINTAINERCLEANFILES = Makefile.in
>> diff --git a/tools/rpcgen/Makefile.am b/tools/rpcgen/Makefile.am
>> index 8a9ec89..84cafb2 100644
>> --- a/tools/rpcgen/Makefile.am
>> +++ b/tools/rpcgen/Makefile.am
>> @@ -1,7 +1,9 @@
>>  ## Process this file with automake to produce Makefile.in
> 
>>  CC=$(CC_FOR_BUILD)
>> -LIBTOOL = @LIBTOOL@ --tag=CC
>> +AM_CFLAGS=$(CFLAGS_FOR_BUILD) ${TIRPC_CFLAGS}
>> +AM_CPPFLAGS=$(CPPFLAGS_FOR_BUILD)
>> +AM_LDFLAGS=$(LDFLAGS_FOR_BUILD)
> 
>>  noinst_PROGRAMS = rpcgen
>>  rpcgen_SOURCES = rpc_clntout.c rpc_cout.c rpc_hout.c rpc_main.c \
>> @@ -9,11 +11,6 @@ rpcgen_SOURCES = rpc_clntout.c rpc_cout.c rpc_hout.c rpc_main.c \
>>                  rpc_util.c rpc_sample.c rpc_output.h rpc_parse.h \
>>                  rpc_scan.h rpc_util.h
> 
>> -rpcgen_CFLAGS=$(CFLAGS_FOR_BUILD)
>> -rpcgen_CPPLAGS=$(CPPFLAGS_FOR_BUILD)
>> -rpcgen_LDFLAGS=$(LDFLAGS_FOR_BUILD)
>> -rpcgen_LDADD=$(LIBTIRPC)
>> -
>>  MAINTAINERCLEANFILES = Makefile.in
> 
>>  EXTRA_DIST = rpcgen.new.1
> 
> IMHO this one don't work for cross-compilation, tested on buildroot:
> 
> PATH="/br-test-pkg/br-arm-full-static/host/bin:/br-test-pkg/br-arm-full-static/host/sbin:/.common/bin/suse:/.local/bin:/.gem/ruby/2.2.0/bin:/bin/:~/.local/bin/:/.common/bin/:~/.vim/bin/:/usr/sbin/:/sbin/:/home/pevik/.common/bin/suse:/home/pevik/bin/:~/.local/bin/:/home/pevik/.common/bin/:~/.vim/bin/:/usr/sbin/:/sbin/:/bin:/usr/local/bin:/usr/bin:/bin:/usr/lib/mit/bin:/usr/lib/mit/sbin:/usr/X11R6/bin"  /usr/bin/make -j9  -C /br-test-pkg/br-arm-full-static/build/nfs-utils-1.3.4/
> make[1]: Entering directory '/br-test-pkg/br-arm-full-static/build/nfs-utils-1.3.4'
> Making all in tools
> make[2]: Entering directory '/br-test-pkg/br-arm-full-static/build/nfs-utils-1.3.4/tools'
> Making all in locktest
> make[3]: Entering directory '/br-test-pkg/br-arm-full-static/build/nfs-utils-1.3.4/tools/locktest'
> /usr/bin/gcc -DHAVE_CONFIG_H -I. -I../../support/include  -I/br-test-pkg/br-arm-full-static/host/include -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -O2 -I/br-test-pkg/br-arm-full-static/host/include -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -static -c -o testlk.o testlk.c
> /bin/sh ../../libtool --tag=CC  --tag=CC   --mode=link /usr/bin/gcc -O2 -I/br-test-pkg/br-arm-full-static/host/include -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -static -L/br-test-pkg/br-arm-full-static/host/lib -Wl,-rpath,/br-test-pkg/br-arm-full-static/host/lib -static -o testlk testlk.o  
> libtool: link: /usr/bin/gcc -O2 -I/br-test-pkg/br-arm-full-static/host/include -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -static -Wl,-rpath -Wl,/br-test-pkg/br-arm-full-static/host/lib -static -o testlk testlk.o  -L/br-test-pkg/br-arm-full-static/host/lib
> /usr/lib64/gcc/x86_64-suse-linux/9/../../../../x86_64-suse-linux/bin/ld: cannot find -lc
Who/how is -lc getting specified? Maybe the problem is how $(LDFLAGS_FOR_BUILD) is being set? 

Note... Giulio's patch is doing something similar
https://lore.kernel.org/linux-nfs/20200115160806.99991-1-giulio.benetti@benettiengineering.com/T/#u

Does something like that as well as setting the AM_XXX help the your cross-compile?

steved.


> collect2: error: ld returned 1 exit status
> make[3]: *** [Makefile:417: testlk] Error 1
> make[3]: Leaving directory '/br-test-pkg/br-arm-full-static/build/nfs-utils-1.3.4/tools/locktest'
> make[2]: *** [Makefile:429: all-recursive] Error 1
> make[2]: Leaving directory '/br-test-pkg/br-arm-full-static/build/nfs-utils-1.3.4/tools'
> make[1]: *** [Makefile:469: all-recursive] Error 1
> make[1]: Leaving directory '/br-test-pkg/br-arm-full-static/build/nfs-utils-1.3.4'
> make: *** [package/pkg-generic.mk:260: /br-test-pkg/br-arm-full-static/build/nfs-utils-1.3.4/.stamp_built] Error 2
> 
> I can send you more debug info, but IMHO Mike's patch is really needed.
> 
> Kind regards,
> Petr
>