Re: Selecting a C++ compiler

[Jason Bacon <bacon4000%gmail.com@localhost>]

On 10/11/17 11:06, Jason Bacon wrote:
> On 10/11/17 10:26, Petar Bogdanovic wrote:
> > On Tue, Oct 10, 2017 at 08:01:28PM -0500, Jason Bacon wrote:
> > > GCC_REQD+=5
> > That worked?  I remember setting this to GCC_REQD+=5.0 since otherwise,
> > pkgsrc would build gcc7.
>
> No, that's why I said "something like".  ;-)  It does require a minor 
> version as well, as I discovered this morning when setting up a test 
> tree.  I'm doing a quick test build now and plan to run a complete 
> bulk build with gcc5 later.  That will take about a week and I'll 
> report the results relative to gcc48 when it's done.

Well, it didn't take long to hit a problem on CentOS 6.  Apparently GCC 
4.4.7 cannot compile the current gcc5.

Attempting to build biology/plink with GCC_REQD=5.3.0 in mk.conf:

/bin/sh ./libtool --tag=CXX   --mode=compile 
/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/./gcc/xg++ 
-B/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/./gcc/ 
-nostdinc++ -nostdinc++ 
-I/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/include/x86_64-redhat-linux 
-I/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/include 
-I/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/gcc-5.4.0/libstdc++-v3/libsupc++ 
-I/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/gcc-5.4.0/libstdc++-v3/include/backward 
-I/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/gcc-5.4.0/libstdc++-v3/testsuite/util 
-L/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/src 
-L/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/src/.libs 
-L/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/libsupc++/.libs 
-B/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/src/.libs 
-B/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/libsupc++/.libs 
-B/home/bacon/Pkgsrc/pkg-2017-10-11/gcc5/x86_64-redhat-linux/bin/ 
-B/home/bacon/Pkgsrc/pkg-2017-10-11/gcc5/x86_64-redhat-linux/lib/ 
-isystem 
/home/bacon/Pkgsrc/pkg-2017-10-11/gcc5/x86_64-redhat-linux/include 
-isystem 
/home/bacon/Pkgsrc/pkg-2017-10-11/gcc5/x86_64-redhat-linux/sys-include 
-DHAVE_CONFIG_H -I. -I../../../gcc-5.4.0/libitm 
-I../../../gcc-5.4.0/libitm/config/linux/x86 
-I../../../gcc-5.4.0/libitm/config/linux 
-I../../../gcc-5.4.0/libitm/config/x86 
-I../../../gcc-5.4.0/libitm/config/posix 
-I../../../gcc-5.4.0/libitm/config/generic -I../../../gcc-5.4.0/libitm  
-mrtm -Wall -Werror  -Wc,-pthread -std=gnu++0x -funwind-tables 
-fno-exceptions -fno-rtti -fabi-version=4 -g -O2 -D_FORTIFY_SOURCE=2 
-I/usr/include -D_GNU_SOURCE -MT util.lo -MD -MP -MF .deps/util.Tpo -c 
-o util.lo ../../../gcc-5.4.0/libitm/util.cc
libtool: compile: 
/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/./gcc/xg++ 
-B/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/./gcc/ 
-nostdinc++ -nostdinc++ 
-I/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/include/x86_64-redhat-linux 
-I/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/include 
-I/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/gcc-5.4.0/libstdc++-v3/libsupc++ 
-I/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/gcc-5.4.0/libstdc++-v3/include/backward 
-I/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/gcc-5.4.0/libstdc++-v3/testsuite/util 
-L/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/src 
-L/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/src/.libs 
-L/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/libsupc++/.libs 
-B/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/src/.libs 
-B/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libstdc++-v3/libsupc++/.libs 
-B/home/bacon/Pkgsrc/pkg-2017-10-11/gcc5/x86_64-redhat-linux/bin/ 
-B/home/bacon/Pkgsrc/pkg-2017-10-11/gcc5/x86_64-redhat-linux/lib/ 
-isystem 
/home/bacon/Pkgsrc/pkg-2017-10-11/gcc5/x86_64-redhat-linux/include 
-isystem 
/home/bacon/Pkgsrc/pkg-2017-10-11/gcc5/x86_64-redhat-linux/sys-include 
-DHAVE_CONFIG_H -I. -I../../../gcc-5.4.0/libitm 
-I../../../gcc-5.4.0/libitm/config/linux/x86 
-I../../../gcc-5.4.0/libitm/config/linux 
-I../../../gcc-5.4.0/libitm/config/x86 
-I../../../gcc-5.4.0/libitm/config/posix 
-I../../../gcc-5.4.0/libitm/config/generic -I../../../gcc-5.4.0/libitm 
-mrtm -Wall -pthread -Werror -std=gnu++0x -funwind-tables 
-fno-exceptions -fno-rtti -fabi-version=4 -g -O2 -D_FORTIFY_SOURCE=2 
-I/usr/include -D_GNU_SOURCE -MT util.lo -MD -MP -MF .deps/util.Tpo -c 
../../../gcc-5.4.0/libitm/util.cc  -fPIC -DPIC -o .libs/util.o
In file included from /usr/include/stdio.h:932:0,
                 from ../../../gcc-5.4.0/libitm/util.cc:27:
/usr/include/bits/stdio2.h: In function 'void GTM::gtm_verror(const 
char*, __va_list_tag*)':
/usr/include/bits/stdio2.h:125:1: error: inlining failed in call to 
always_inline 'int vfprintf(FILE*, const char*, __va_list_tag*)': 
function body can be overwritten at link time
 vfprintf (FILE *__restrict __stream,
 ^
../../../gcc-5.4.0/libitm/util.cc:35:31: error: called from here
   vfprintf (stderr, fmt, list);
                               ^
make[4]: *** [util.lo] Error 1
make[4]: Leaving directory 
`/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libitm'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory 
`/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libitm'
make[2]: *** [all] Error 2
make[2]: Leaving directory 
`/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build/x86_64-redhat-linux/libitm'
make[1]: *** [all-target-libitm] Error 2
make[1]: Leaving directory 
`/home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5/work/build'
make: *** [all] Error 2
*** Error code 2

Stop.
bmake.bin[3]: stopped in /home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5
*** Error code 1

Stop.
bmake.bin[2]: stopped in /home/bacon/Pkgsrc/pkgsrc-2017-10-11/lang/gcc5
*** Error code 1

Stop.
bmake.bin[1]: stopped in 
/home/bacon/Pkgsrc/pkgsrc-2017-10-11/archivers/unzip
*** Error code 1

Stop.
bmake.bin: stopped in /home/bacon/Pkgsrc/pkgsrc-2017-10-11/biology/plink

The same build in an identical tree, but with GCC_REQD=4.8:

===> Installing for plink-1.07
=> Generating pre-install file lists
=> Creating installation directories
/usr/bin/install -c -s -o bacon -g bacon -m 755 
/home/bacon/Pkgsrc/pkgsrc/biology/plink/work/plink-1.07-src/plink 
/home/bacon/Pkgsrc/pkgsrc/biology/plink/work/.destdir/home/bacon/Pkgsrc/pkg/bin
=> Automatic manual page handling
=> Generating post-install file lists
=> Checking file-check results for plink-1.07
=> Checking for non-existent script interpreters in plink-1.07
=> Checking file permissions in plink-1.07
=> Checking for missing run-time search paths in plink-1.07
WARNING: Skipping check for SSP in DESTDIR mode.
=> Checking for work-directory references in plink-1.07
=> Creating binary package 
/home/bacon/Pkgsrc/pkgsrc/biology/plink/work/.packages/plink-1.07.tgz
===> Building binary package for plink-1.07
=> Creating binary package 
/home/bacon/Pkgsrc/pkgsrc/packages/All/plink-1.07.tgz
===> Installing binary package of plink-1.07

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