diffutils 3.2

oslevel -s  7100-03-05-1524

xlc is 12.1.0.3

CFLAGS cut back to not attempt optimization

compiler run as xlc_r

"Invokes the compiler for C source files. This command supports all of the
ISO C99 standard features, and most IBM language extensions. This
invocation is recommended for all applications."

reference:
http://www-01.ibm.com/support/knowledgecenter/SSGH2K_12.1.0/com.ibm.xlc121.aix.doc/compiler_ref/tucmpinv.html?lang=en


PATH
 /usr/local/bin:/usr/bin:/etc:/usr/sbin:/usr/ucb:/home/buildsw/bin:/usr/bin/X11:/sbin:.:/usr/vac/bin:/usr/vacpp/bin

OBJECT_MODE   64

CC       xlc_r
CFLAGS -qmaxmem=-1 -qarch=pwr7 -qtune=pwr7 -qcache=auto -DSYSV -D_AIX
-D_AIX71 -D_ALL_SOURCE -DFUNCPROTO=15 -O5 -I/usr/local/include
LDFLAGS  -L/usr/local/lib64 -L/usr/local/lib -bmaxdata:0x80000000 -brtl
LIBS
CPPFLAGS
CXX      xlc++_r
CXXFLAGS -I/usr/local/include

make
[chomp]
  CC       sdiff.o
  CCLD     sdiff
ld: 0711-317 ERROR: Undefined symbol: @4@null_action
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more
information.
1586-347 (U) An error occurred during linking of the object produced by the
IPA Link step.  The link return code was 8.
Makefile:1132: recipe for target 'sdiff' failed

$ which ld
/usr/bin/ld
$ /usr/bin/ld -V
/usr/bin/ld: LD 7.1.3(4/1/14)