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OSNAME = $(shell uname | awk '{ print $1}')
#under AIX, AIX52 is defined to use POSIX API in AIX 5.2.0.0 or greater
ifeq ($(OSNAME),AIX)
LIB_DEFINES += $(shell /usr/bin/oslevel | awk -F. \
'{ if ($$1 > 5 || ($$1 == 5 && $$2 > 1))\
print "-DAIX52" }')
#lsdev -C -l aio0
#aio0 Defined Asynchronous I/O (Legacy)
ifdef USE_OLDAIO
USE_OLDAIO=Y
else
USE_OLDAIO= $(shell /usr/sbin/lsdev -C -l aio0 2>&1|grep Lega|awk ' /Legacy/ {print "Y"}')
endif
ifeq ($(USE_OLDAIO),Y)
LIB_DEFINES += -D_AIO_AIX_SOURCE
endif
endif
#under AIX, there can be problems with AIO and large files
ifdef LARGE_FILES
ifeq ($(OSNAME),AIX)
LIB_DEFINES += $(shell /usr/bin/oslevel | awk -F. \
'{ if ($$1 > 4 || ($$1 == 4 && $$2 > 1))\
print "-D_LARGE_FILES -D_LARGE_FILE_API" }')
# asynchronous I/O with large files supported starting with 4.2.1
# However, there is a bug in IBM libs on PNNL system that prevents us
# from using AIO under 4.2.1 :-)
#
AIO_LARGE_FILES = $(shell /usr/bin/oslevel | awk -F. \
'{ if ($$1 == 4 && $$2 == 2 && $$3 <= 0 ) \
print "NO"}')
endif
#
# LINUX: kernel 2.4 is needed
#
ifeq ($(TARGET), LINUX)
LIB_DEFINES += -D_LARGEFILE64_SOURCE
LIB_DEFINES += $(shell getconf LFS_CFLAGS)
endif
LIB_DEFINES += -DLARGE_FILES
endif
ifdef LIB_TARGETS
# HPIODIR is used as a filename prefix in test programs
ifdef HPIODIR
LIB_DEFINES += -DHPIODIR=\'$(HPIODIR)/\'
endif
endif
ifdef USE_LINUXAIO
LIB_DEFINES += -DLINUXAIO
COMM_LIBS += -lrt
endif
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