Richard M. Timoney wrote:

> Adding this to /etc/make.conf seems to work
> 
> .if !empty(.CURDIR:M/usr/ports/graphics/libcdr) && 
> exists(/usr/local/bin/gcc47)
> CC=gcc47
> CXX=g++47
> CPP=cpp47
> .endif

Thanks for the suggestion. Unfortunately, I can't even build GCC itself:

[snip]
if [ x"-fpic" != x ]; then \
  cc -c -DHAVE_CONFIG_H -g -fkeep-inline-functions  -I. 
-I.././../gcc-4.7-20140222/libiberty/../include  -W -Wall -Wwrite-strings 
-Wc++-compat -Wstrict-prototyp
es -pedantic  -fpic .././../gcc-4.7-20140222/libiberty/strverscmp.c -o 
pic/strverscmp.o; \
else true; fi
cc -c -DHAVE_CONFIG_H -g -fkeep-inline-functions  -I. 
-I.././../gcc-4.7-20140222/libiberty/../include  -W -Wall -Wwrite-strings 
-Wc++-compat -Wstrict-prototypes
 -pedantic  .././../gcc-4.7-20140222/libiberty/strverscmp.c -o strverscmp.o
rm -f ./libiberty.a pic/./libiberty.a
/usr/local/bin/ar rc ./libiberty.a \
  ./regex.o ./cplus-dem.o ./cp-demangle.o ./md5.o ./sha1.o ./alloca.o ./argv.o 
./choose-temp.o ./concat.o ./cp-demint.o ./crc32.o ./dyn-string.o ./fdmatch.o 
./f
ibheap.o ./filename_cmp.o ./floatformat.o ./fnmatch.o ./fopen_unlocked.o 
./getopt.o ./getopt1.o ./getpwd.o ./getruntime.o ./hashtab.o ./hex.o 
./lbasename.o ./lr
ealpath.o ./make-relative-prefix.o ./make-temp-file.o ./objalloc.o ./obstack.o 
./partition.o ./pexecute.o ./physmem.o ./pex-common.o ./pex-one.o ./pex-unix.o 
./
safe-ctype.o ./simple-object.o ./simple-object-coff.o ./simple-object-elf.o 
./simple-object-mach-o.o ./sort.o ./spaces.o ./splay-tree.o ./stack-limit.o 
./strerr
or.o ./strsignal.o ./timeval-utils.o ./unlink-if-ordinary.o ./xatexit.o 
./xexit.o ./xmalloc.o ./xmemdup.o ./xstrdup.o ./xstrerror.o ./xstrndup.o  
./mempcpy.o ./
strverscmp.o
Shared object "libfl.so.2" not found, required by "ar"
gmake[3]: *** [libiberty.a] Error 1
gmake[3]: Leaving directory `/usr/ports/lang/gcc47/work/build/libiberty'
gmake[2]: *** [all-stage1-libiberty] Error 2
gmake[2]: Leaving directory `/usr/ports/lang/gcc47/work/build'
gmake[1]: *** [stage1-bubble] Error 2
gmake[1]: Leaving directory `/usr/ports/lang/gcc47/work/build'
gmake: *** [bootstrap-lean] Error 2
*** [do-build] Error code 1

Stop in /usr/ports/lang/gcc47.
*** [build] Error code 1
[snip]

This happens with lang/gcc, lang/gcc47 and lang/gcc49, on a FreeBSD
9.2-RELEASE-p3/amd64 system with up-to-date ports tree. Switching between
(the base system's) GCC and Clang makes no difference either.

AvW

-- 
I'm not completely useless, I can be used as a bad example.

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