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LARGE_VAX = 1
.ENDIF                              # LARGE
.IFDEF VAXC_OR_FORCE_VAXC           # VAXC_OR_FORCE_VAXC
.IFDEF GNUC                             # GNUC
VAX_MULTI_CMPL = 1
.ENDIF                                  # GNUC
.ENDIF                              # VAXC_OR_FORCE_VAXC
.ELSE                           # __VAX__
.IFDEF VAXC_OR_FORCE_VAXC           # VAXC_OR_FORCE_VAXC
NON_VAX_CMPL = 1
.ELSE                               # VAXC_OR_FORCE_VAXC
.IFDEF GNUC                             # GNUC
NON_VAX_CMPL = 1
.ENDIF                                  # GNUC
.ENDIF                              # VAXC_OR_FORCE_VAXC
.ENDIF                          # __VAX__

# Shortcut to include BZIP2 support from the optional bzip2 source subdir
# in the UnZip source location.

BZ2DIR_BIN = SYS$DISK:[.BZIP2.$(DESTM)]
BZ2_OLB = LIBBZ2_NS.OLB
LIB_BZ2_LOCAL = $(BZ2DIR_BIN)$(BZ2_OLB)

.IFDEF USEBZ2                   # USEBZ2
.IFDEF IZ_BZIP2                     # IZ_BZIP2
.ELSE                               # IZ_BZIP2
IZ_BZIP2 = SYS$DISK:[.BZIP2]
LIB_BZ2_DEP = $(LIB_BZ2_LOCAL)
BUILD_BZIP2 = 1
.ENDIF                              # IZ_BZIP2
.ENDIF                          # USEBZ2

# Complain about any problems (and die) if warranted.  Otherwise, show
# optional package directories being used, and the destination
# directory.  Make the destination directory, if necessary.

.FIRST
.IFDEF __MMK__                  # __MMK__
	@ write sys$output ""
.ENDIF                          # __MMK__
.IFDEF UNK_DEST                 # UNK_DEST
	@ write sys$output -
 "   Unknown system architecture."
.IFDEF __MMK__                      # __MMK__
	@ write sys$output -
 "   MMK on IA64?  Try adding ""/MACRO = __IA64__""."
.ELSE                               # __MMK__
	@ write sys$output -
 "   MMS too old?  Try adding ""/MACRO = MMS$ARCH_NAME=ALPHA"","
	@ write sys$output -
 "   or ""/MACRO = MMS$ARCH_NAME=IA64"", or ""/MACRO = MMS$ARCH_NAME=VAX"","
	@ write sys$output -
 "   as appropriate.  (Or try a newer version of MMS.)"
.ENDIF                              # __MMK__
	@ write sys$output ""
	I_WILL_DIE_NOW.  /$$$$INVALID$$$$
.ELSE                           # UNK_DEST
.IFDEF VAX_MULTI_CMPL               # VAX_MULTI_CMPL
	@ write sys$output -
 "   Macro ""GNUC"" is incompatible with ""VAXC"" or ""FORCE_VAXC""."
	@ write sys$output ""
	I_WILL_DIE_NOW.  /$$$$INVALID$$$$
.ELSE                               # VAX_MULTI_CMPL
.IFDEF NON_VAX_CMPL                     # NON_VAX_CMPL
	@ write sys$output -
 "   Macros ""GNUC"", ""VAXC"", and ""FORCE_VAXC"" are valid only on VAX."
	@ write sys$output ""
	I_WILL_DIE_NOW.  /$$$$INVALID$$$$
.ELSE                                   # NON_VAX_CMPL
.IFDEF LARGE_VAX                            # LARGE_VAX
	@ write sys$output -
 "   Macro ""LARGE"" is invalid on VAX."
	@ write sys$output ""
	I_WILL_DIE_NOW.  /$$$$INVALID$$$$
.ELSE                                       # LARGE_VAX
.IFDEF IZ_BZIP2                                 # IZ_BZIP2
.IFDEF BUILD_BZIP2                                  # BUILD_BZIP2
	@ if (f$search( "$(IZ_BZIP2)bzlib.h") .eqs. "") then -
	   write sys$output "   Can not find header file $(IZ_BZIP2)bzlib.h"
	@ if (f$search( "$(IZ_BZIP2)bzlib.h") .eqs. "") then -
	   write sys$output ""
	@ if (f$search( "$(IZ_BZIP2)bzlib.h") .eqs. "") then -
	   I_WILL_DIE_NOW.  /$$$$INVALID$$$$
	@ write sys$output "   BZIP2 dir: $(BZ2DIR_BIN)"
	@ define lib_bzip2 $(BZ2DIR_BIN)
	@ if (f$search( "$(IZ_BZIP2)$(DESTM).dir") .eqs. "") then -
	   create /directory $(BZ2DIR_BIN)
.ELSE                                               # BUILD_BZIP2
	@ @[.VMS]FIND_BZIP2_LIB.COM $(IZ_BZIP2) $(SEEK_BZ) $(BZ2_OLB) lib_bzip2
	@ if (f$trnlnm( "lib_bzip2") .eqs. "") then -
	   write sys$output "   Can not find BZIP2 object library."
	@ if (f$trnlnm( "lib_bzip2") .eqs. "") then -
	   write sys$output ""
	@ if (f$trnlnm( "lib_bzip2") .eqs. "") then -
	   I_WILL_DIE_NOW.  /$$$$INVALID$$$$
	@ write sys$output "   BZIP2 dir: ''f$trnlnm( "lib_bzip2")'"
.ENDIF                                              # BUILD_BZIP2
	@ write sys$output ""
	@ define incl_bzip2 $(IZ_BZIP2)
.ENDIF                                          # IZ_BZIP2
.IFDEF IZ_ZLIB                                  # IZ_ZLIB
	@ @[.VMS]FIND_BZIP2_LIB.COM $(IZ_ZLIB) $(SEEK_BZ) LIBZ.OLB lib_zlib
	@ if (f$trnlnm( "lib_zlib") .eqs. "") then -
	   write sys$output "   Can not find ZLIB object library."
	@ if (f$trnlnm( "lib_zlib") .eqs. "") then -
	   write sys$output ""
	@ if (f$trnlnm( "lib_zlib") .eqs. "") then -
	   I_WILL_DIE_NOW.  /$$$$INVALID$$$$
	@ write sys$output "   ZLIB dir:  ''f$trnlnm( "lib_zlib")'"
	@ write sys$output ""
	@ define incl_zlib $(IZ_ZLIB)
	@ @[.VMS]FIND_BZIP2_LIB.COM $(IZ_ZLIB) -
	   contrib.infback9 infback9.h incl_zlib_contrib_infback9
.ENDIF                                          # IZ_ZLIB
	@ write sys$output "   Destination: [.$(DEST)]"
	@ write sys$output ""
	if (f$search( "$(DEST).DIR;1") .eqs. "") then -
	 create /directory [.$(DEST)]
.ENDIF                                      # LARGE_VAX
.ENDIF                                  # NON_VAX_CMPL
.ENDIF                              # VAX_MULTI_CMPL
.ENDIF                          # UNK_DEST

# BZIP2 options.

.IFDEF IZ_BZIP2                 # IZ_BZIP2
CDEFS_BZ = , USE_BZIP2
CFLAGS_INCL = /include = ([], [.VMS])
LIB_BZIP2_OPTS = lib_bzip2:$(BZ2_OLB) /library,
.ENDIF                          # IZ_BZIP2

# ZLIB options.