| 1 | # hints/aix.sh
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| 2 |
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| 3 | # AIX 3 and AIX 4 are split off to aix_3.sh and aix_4.sh
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| 4 | # early Feb 2004 by H.Merijn Brand
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| 5 | # please read comments in there for historic questions.
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| 6 | # many now stripped here
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| 7 |
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| 8 | # Contact [email protected] for any of the following:
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| 9 | #
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| 10 | # - AIX 43x and above support
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| 11 | # - gcc + threads support
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| 12 | # - socks support
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| 13 | #
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| 14 | # Notes:
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| 15 | #
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| 16 | # - shared libperl support is tricky. if ever libperl.a ends up
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| 17 | # in /usr/local/lib/* it can override any subsequent builds of
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| 18 | # that same perl release. to make sure you know where the shared
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| 19 | # libperl.a is coming from do a 'dump -Hv perl' and check all the
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| 20 | # library search paths in the loader header.
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| 21 | #
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| 22 | # it would be nice to warn the user if a libperl.a exists that is
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| 23 | # going to override the current build, but that would be complex.
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| 24 | #
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| 25 | # better yet, a solid fix for this situation should be developed.
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| 26 | #
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| 27 |
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| 28 | # Configure finds setrgid and setruid, but they're useless. The man
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| 29 | # pages state:
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| 30 | # setrgid: The EPERM error code is always returned.
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| 31 | # setruid: The EPERM error code is always returned. Processes cannot
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| 32 | # reset only their real user IDs.
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| 33 | d_setrgid='undef'
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| 34 | d_setruid='undef'
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| 35 |
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| 36 | alignbytes=8
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| 37 |
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| 38 | case "$usemymalloc" in
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| 39 | '') usemymalloc='n' ;;
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| 40 | esac
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| 41 |
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| 42 | # malloc wrap works, but not in vac-5, see later
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| 43 | case "$usemallocwrap" in
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| 44 | '') usemallocwrap='define' ;;
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| 45 | esac
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| 46 |
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| 47 | # Intuiting the existence of system calls under AIX is difficult,
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| 48 | # at best; the safest technique is to find them empirically.
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| 49 |
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| 50 | case "$usenativedlopen" in
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| 51 | '') usenativedlopen='true' ;;
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| 52 | esac
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| 53 |
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| 54 | so="a"
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| 55 | # AIX itself uses .o (libc.o) but we prefer compatibility
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| 56 | # with the rest of the world and with rest of the scripting
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| 57 | # languages (Tcl, Python) and related systems (SWIG).
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| 58 | # Stephanie Beals <[email protected]>
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| 59 | dlext="so"
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| 60 |
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| 61 | # Take possible hint from the environment. If 32-bit is set in the
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| 62 | # environment, we can override it later. If set for 64, the
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| 63 | # 'sizeof' test sees a native 64-bit architecture and never looks back.
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| 64 | case "$OBJECT_MODE" in
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| 65 | 32) cat >&4 <<EOF
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| 66 |
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| 67 | You have OBJECT_MODE=32 set in the environment.
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| 68 | I take this as a hint you do not want to
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| 69 | build for a 64-bit address space. You will be
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| 70 | given the opportunity to change this later.
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| 71 | EOF
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| 72 | ;;
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| 73 | 64) cat >&4 <<EOF
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| 74 |
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| 75 | You have OBJECT_MODE=64 set in the environment.
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| 76 | This forces a full 64-bit build. If that is
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| 77 | not what you intended, please terminate this
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| 78 | program, unset it and restart.
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| 79 | EOF
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| 80 | ;;
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| 81 | esac
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| 82 |
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| 83 | # uname -m output is too specific and not appropriate here
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| 84 | case "$archname" in
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| 85 | '') archname="$osname" ;;
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| 86 | esac
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| 87 |
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| 88 | cc=${cc:-cc}
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| 89 |
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| 90 | ccflags="$ccflags -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE"
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| 91 | case "$cc" in
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| 92 | *gcc*) ;;
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| 93 | *) ccflags="$ccflags -qmaxmem=-1 -qnoansialias" ;;
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| 94 | esac
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| 95 | nm_opt='-B'
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| 96 |
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| 97 | # These functions don't work like Perl expects them to.
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| 98 | d_setregid='undef'
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| 99 | d_setreuid='undef'
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| 100 |
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| 101 | # Changes for dynamic linking by Wayne Scott <[email protected]>
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| 102 | #
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| 103 | # Tell perl which symbols to export for dynamic linking.
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| 104 | cccdlflags='none' # All AIX code is position independent
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| 105 | cc_type=xlc # do not export to config.sh
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| 106 | case "$cc" in
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| 107 | *gcc*)
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| 108 | cc_type=gcc
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| 109 | ccdlflags='-Xlinker'
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| 110 | if [ "X$gccversion" = "X" ]; then
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| 111 | # Done too late in Configure if hinted
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| 112 | gccversion=`$cc --version | sed 's/.*(GCC) *//'`
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| 113 | fi
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| 114 | ;;
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| 115 |
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| 116 | *) ccversion=`lslpp -ql -Ou vac.C | grep -v '^Path' | head -1 | awk '{print $1,$2}'`
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| 117 | case "$ccversion" in
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| 118 | '') ccversion=`lslpp -L | grep 'IBM C and C++ Compilers LUM$'` ;;
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| 119 |
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| 120 | *.*.*.*.*.*.*) # Ahhrgg, more than one C compiler installed
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| 121 | first_cc_path=`which ${cc:-cc}`
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| 122 | case "$first_cc_path" in
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| 123 | *vac*)
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| 124 | cc_type=vac ;;
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| 125 |
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| 126 | /usr/bin/cc) # Check the symlink
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| 127 | if [ -h $first_cc_path ] ; then
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| 128 | ls -l $first_cc_path > reflect
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| 129 | if grep -i vac reflect >/dev/null 2>&1 ; then
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| 130 | cc_type=vac
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| 131 | fi
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| 132 | rm -f reflect
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| 133 | fi
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| 134 | ;;
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| 135 | esac
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| 136 | ccversion=`lslpp -L | grep 'C for AIX Compiler$' | grep -i $cc_type | head -1`
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| 137 | ;;
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| 138 |
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| 139 | vac*.*.*.*)
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| 140 | cc_type=vac
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| 141 | ;;
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| 142 | esac
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| 143 |
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| 144 | ccversion=`echo "$ccversion" | awk '{print $2}'`
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| 145 | # Redbooks state AIX-5 only supports vac-5.0.2.0 and up
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| 146 | case "$ccversion" in
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| 147 | 5*) usemallocwrap='n' ;; # panic in miniperl
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| 148 | esac
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| 149 | ;;
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| 150 | esac
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| 151 |
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| 152 | # the required -bE:$installarchlib/CORE/perl.exp is added by
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| 153 | # libperl.U (Configure) later.
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| 154 |
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| 155 | # The first 3 options would not be needed if dynamic libs. could be linked
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| 156 | # with the compiler instead of ld.
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| 157 | # -bI:$(PERL_INC)/perl.exp Read the exported symbols from the perl binary
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| 158 | # -bE:$(BASEEXT).exp Export these symbols. This file contains only one
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| 159 | # symbol: boot_$(EXP) can it be auto-generated?
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| 160 | if test $usenativedlopen = 'true' ; then
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| 161 | lddlflags="$lddlflags -bhalt:4 -bexpall -G -bnoentry -lc"
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| 162 | else
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| 163 | lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -bnoentry -lc"
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| 164 | fi
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| 165 |
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| 166 | case "$use64bitall" in
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| 167 | $define|true|[yY]*) use64bitint="$define" ;;
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| 168 | esac
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| 169 |
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| 170 | case "$usemorebits" in
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| 171 | $define|true|[yY]*) use64bitint="$define"; uselongdouble="$define" ;;
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| 172 | esac
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| 173 |
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| 174 | case $cc_type in
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| 175 | vac|xlc)
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| 176 | case "$uselongdouble" in
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| 177 | $define|true|[yY]*)
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| 178 | ccflags="$ccflags -qlongdouble"
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| 179 | libswanted="c128 $libswanted"
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| 180 | lddlflags=`echo "$lddlflags " | sed -e 's/ -lc / -lc128 -lc /'`
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| 181 | ;;
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| 182 | esac
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| 183 | ;;
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| 184 | esac
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| 185 |
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| 186 | case "$cc" in
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| 187 | *gcc*) ;;
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| 188 |
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| 189 | cc*|xlc*) # cc should've been set by line 116 or so if empty.
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| 190 | if test ! -x /usr/bin/$cc -a -x /usr/vac/bin/$cc; then
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| 191 | case ":$PATH:" in
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| 192 | *:/usr/vac/bin:*) ;;
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| 193 | *) if test ! -x /QOpenSys/usr/bin/$cc; then
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| 194 | # The /QOpenSys/usr/bin/$cc saves us if we are
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| 195 | # building natively in OS/400 PASE.
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| 196 | cat >&4 <<EOF
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| 197 |
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| 198 | ***
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| 199 | *** You either implicitly or explicitly specified an IBM C compiler,
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| 200 | *** but you do not seem to have one in /usr/bin, but you seem to have
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| 201 | *** the VAC installed in /usr/vac, but you do not have the /usr/vac/bin
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| 202 | *** in your PATH. I suggest adding that and retrying Configure.
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| 203 | ***
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| 204 | EOF
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| 205 | exit 1
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| 206 | fi
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| 207 | ;;
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| 208 | esac
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| 209 | fi
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| 210 | ;;
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| 211 | esac
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| 212 |
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| 213 | case "$ldlibpthname" in
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| 214 | '') ldlibpthname=LIBPATH ;;
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| 215 | esac
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| 216 |
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| 217 | # This script UU/usethreads.cbu will get 'called-back' by Configure
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| 218 | # after it has prompted the user for whether to use threads.
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| 219 | cat > UU/usethreads.cbu <<'EOCBU'
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| 220 | case "$usethreads" in
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| 221 | $define|true|[yY]*)
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| 222 | d_drand48_r='undef'
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| 223 | d_endgrent_r='undef'
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| 224 | d_endpwent_r='undef'
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| 225 | d_getgrent_r='undef'
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| 226 | d_getpwent_r='undef'
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| 227 | d_random_r='undef'
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| 228 | d_setgrent_r='undef'
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| 229 | d_setpwent_r='undef'
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| 230 | d_srand48_r='undef'
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| 231 | d_strerror_r='undef'
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| 232 |
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| 233 | ccflags="$ccflags -DNEED_PTHREAD_INIT"
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| 234 | case "$cc" in
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| 235 | *gcc*) ccflags="-D_THREAD_SAFE $ccflags" ;;
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| 236 |
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| 237 | cc_r) ;;
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| 238 | '') cc=cc_r ;;
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| 239 |
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| 240 | *)
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| 241 |
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| 242 |
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| 243 | # No | alternation in aix sed. :-(
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| 244 | newcc=`echo $cc | sed -e 's/cc$/cc_r/' -e 's/xl[cC]$/cc_r/' -e 's/xl[cC]_r$/cc_r/'`
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| 245 | case "$newcc" in
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| 246 | $cc) # No change
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| 247 | ;;
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| 248 |
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| 249 | *cc_r)
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| 250 | echo >&4 "Switching cc to cc_r because of POSIX threads."
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| 251 | # xlc_r has been known to produce buggy code in AIX 4.3.2.
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| 252 | # (e.g. pragma/overload core dumps) Let's suspect xlC_r, too.
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| 253 | # [email protected]
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| 254 | cc="$newcc"
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| 255 | ;;
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| 256 |
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| 257 | *)
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| 258 | cat >&4 <<EOM
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| 259 | *** For pthreads you should use the AIX C compiler cc_r.
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| 260 | *** (now your compiler was set to '$cc')
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| 261 | *** Cannot continue, aborting.
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| 262 | EOM
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| 263 | exit 1
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| 264 | ;;
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| 265 | esac
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| 266 | esac
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| 267 |
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| 268 | # Insert pthreads to libswanted, before any libc or libC.
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| 269 | set `echo X "$libswanted "| sed -e 's/ \([cC]\) / pthreads \1 /'`
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| 270 | shift
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| 271 | libswanted="$*"
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| 272 | # Insert pthreads to lddlflags, before any libc or libC.
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| 273 | set `echo X "$lddlflags " | sed -e 's/ \(-l[cC]\) / -lpthreads \1 /'`
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| 274 | shift
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| 275 | lddlflags="$*"
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| 276 | ;;
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| 277 | esac
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| 278 | EOCBU
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| 279 |
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| 280 | # This script UU/uselargefiles.cbu will get 'called-back' by Configure
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| 281 | # after it has prompted the user for whether to use large files.
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| 282 | cat > UU/uselargefiles.cbu <<'EOCBU'
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| 283 | case "$uselargefiles" in
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| 284 | ''|$define|true|[yY]*)
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| 285 | # Configure should take care of use64bitint and use64bitall being
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| 286 | # defined before uselargefiles.cbu is consulted.
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| 287 | if test X"$use64bitint:$quadtype" = X"$define:long" -o X"$use64bitall" = Xdefine; then
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| 288 | # Keep these at the left margin.
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| 289 | ccflags_uselargefiles="`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`"
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| 290 | ldflags_uselargefiles="`getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`"
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| 291 | else
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| 292 | # Keep these at the left margin.
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| 293 | ccflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_CFLAGS 2>/dev/null`"
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| 294 | ldflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LDFLAGS 2>/dev/null`"
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| 295 | fi
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| 296 | if test X"$use64bitint:$quadtype" = X"$define:long" -o X"$use64bitall" = Xdefine; then
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| 297 | # Keep this at the left margin.
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| 298 | libswanted_uselargefiles="`getconf XBS5_LP64_OFF64_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`"
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| 299 | else
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| 300 | # Keep this at the left margin.
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| 301 | libswanted_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`"
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| 302 | fi
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| 303 |
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| 304 | case "$ccflags_uselargefiles$ldflags_uselargefiles$libs_uselargefiles" in
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| 305 | '') ;;
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| 306 | *) ccflags="$ccflags $ccflags_uselargefiles"
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| 307 | ldflags="$ldflags $ldflags_uselargefiles"
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| 308 | libswanted="$libswanted $libswanted_uselargefiles"
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| 309 | ;;
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| 310 | esac
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| 311 |
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| 312 | case "$gccversion" in
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| 313 | '') ;;
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| 314 | *) # Remove xlc-specific -qflags.
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| 315 | ccflags="`echo $ccflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`"
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| 316 | ldflags="`echo $ldflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`"
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| 317 | # Move xlc-specific -bflags.
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| 318 | ccflags="`echo $ccflags | sed -e 's@ -b@ -Wl,-b@g'`"
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| 319 | ldflags="`echo ' '$ldflags | sed -e 's@ -b@ -Wl,-b@g'`"
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| 320 | lddlflags="`echo ' '$lddlflags | sed -e 's@ -b@ -Wl,-b@g'`"
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| 321 | lddlflags="`echo ' '$lddlflags | sed -e 's@ -G @ -Wl,-G @g'`"
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| 322 | case "$use64bitall" in
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| 323 | $define|true|[yY]*) ld="$cc -maix64" ;;
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| 324 | *) ld="$cc" ;;
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| 325 | esac
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| 326 | echo >&4 "(using ccflags $ccflags)"
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| 327 | echo >&4 "(using ldflags $ldflags)"
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| 328 | echo >&4 "(using lddlflags $lddlflags)"
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| 329 | ;;
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| 330 | esac
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| 331 | ;;
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| 332 | esac
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| 333 | EOCBU
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| 334 |
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| 335 | cat > UU/use64bitall.cbu <<'EOCBU'
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| 336 | # This script UU/use64bitall.cbu will get 'called-back' by Configure
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| 337 | # after it has prompted the user for whether to be maximally 64-bitty.
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| 338 | case "$use64bitall" in
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| 339 | $define|true|[yY]*)
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| 340 | echo " "
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| 341 | echo "Checking the CPU width of your hardware..." >&4
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| 342 | $cat >size.c <<EOCP
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| 343 | #include <stdio.h>
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| 344 | #include <sys/systemcfg.h>
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| 345 | int main (void)
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| 346 | {
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| 347 | printf ("%d\n", _system_configuration.width);
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| 348 | return (0);
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| 349 | }
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| 350 | EOCP
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| 351 | set size
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| 352 | if eval $compile_ok; then
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| 353 | qacpuwidth=`./size`
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| 354 | echo "You are running on $qacpuwidth bit hardware."
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| 355 | else
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| 356 | dflt="32"
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| 357 | echo " "
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| 358 | echo "(I can't seem to compile the test program. Guessing...)"
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| 359 | rp="What is the width of your CPU (in bits)?"
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| 360 | . ./myread
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| 361 | qacpuwidth="$ans"
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| 362 | fi
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| 363 | $rm -f size.c size
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| 364 |
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| 365 | case "$qacpuwidth" in
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| 366 | 32*)
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| 367 | cat >&4 <<EOM
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| 368 | Bzzzt! At present, you can only perform a
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| 369 | full 64-bit build on a 64-bit machine.
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| 370 | EOM
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| 371 | exit 1
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| 372 | ;;
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| 373 | esac
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| 374 | qacflags="`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`"
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| 375 | qaldflags="`getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`"
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| 376 | # See jhi's comments above regarding this re-eval. I've
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| 377 | # seen similar weirdness in the form of:
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| 378 | #
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| 379 | # 1506-173 (W) Option lm is not valid. Enter xlc for list of valid options.
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| 380 | #
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| 381 | # error messages from 'cc -E' invocation. Again, the offending
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| 382 | # string is simply not detectable by any means. Since it doesn't
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| 383 | # do any harm, I didn't pursue it. -- sh
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| 384 | qaldflags="`echo $qaldflags`"
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| 385 | qalibs="`getconf XBS5_LP64_OFF64_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`"
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| 386 | # -q32 and -b32 may have been set by uselargefiles or user.
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| 387 | # Remove them.
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| 388 | ccflags="`echo $ccflags | sed -e 's@-q32@@'`"
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| 389 | ldflags="`echo $ldflags | sed -e 's@-b32@@'`"
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| 390 | case "$cc" in
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| 391 | *gcc*)
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| 392 | ccflags="`echo $ccflags | sed -e 's@-q64@-maix64@'`"
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| 393 | ccflags_uselargefiles="`echo $ccflags_uselargefiles | sed -e 's@-q64@-maix64@'`"
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| 394 | qacflags="`echo $qacflags | sed -e 's@-q64@-maix64@'`"
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| 395 | ;;
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| 396 | esac
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| 397 | # Tell archiver to use large format. Unless we remove 'ar'
|
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| 398 | # from 'trylist', the Configure script will just reset it to 'ar'
|
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| 399 | # immediately prior to writing config.sh. This took me hours
|
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| 400 | # to figure out.
|
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| 401 | trylist="`echo $trylist | sed -e 's@^ar @@' -e 's@ ar @ @g' -e 's@ ar$@@'`"
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| 402 | ar="ar -X64"
|
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| 403 | nm_opt="-X64 $nm_opt"
|
|---|
| 404 | # Note: Placing the 'qacflags' variable into the 'ldflags' string
|
|---|
| 405 | # is NOT a typo. ldflags is passed to the C compiler for final
|
|---|
| 406 | # linking, and it wants -q64 (-b64 is for ld only!).
|
|---|
| 407 | case "$qacflags$qaldflags$qalibs" in
|
|---|
| 408 | '') ;;
|
|---|
| 409 | *) ccflags="$ccflags $qacflags"
|
|---|
| 410 | ldflags="$ldflags $qacflags"
|
|---|
| 411 | lddlflags="$qaldflags $lddlflags"
|
|---|
| 412 | libswanted="$libswanted $qalibs"
|
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| 413 | ;;
|
|---|
| 414 | esac
|
|---|
| 415 | case "$ccflags" in
|
|---|
| 416 | *-DUSE_64_BIT_ALL*) ;;
|
|---|
| 417 | *) ccflags="$ccflags -DUSE_64_BIT_ALL";;
|
|---|
| 418 | esac
|
|---|
| 419 | case "$archname64" in
|
|---|
| 420 | ''|64*) archname64=64all ;;
|
|---|
| 421 | esac
|
|---|
| 422 | longsize="8"
|
|---|
| 423 | qacflags=''
|
|---|
| 424 | qaldflags=''
|
|---|
| 425 | qalibs=''
|
|---|
| 426 | qacpuwidth=''
|
|---|
| 427 | ;;
|
|---|
| 428 | esac
|
|---|
| 429 | EOCBU
|
|---|
| 430 |
|
|---|
| 431 | if test $usenativedlopen = 'true' ; then
|
|---|
| 432 | ccflags="$ccflags -DUSE_NATIVE_DLOPEN"
|
|---|
| 433 | # -brtl Enables a binary to use run time linking
|
|---|
| 434 | # -bdynamic When used with -brtl, tells linker to search for
|
|---|
| 435 | # ".so"-suffix libraries as well as ".a" suffix
|
|---|
| 436 | # libraries. AIX allows both .so and .a libraries to
|
|---|
| 437 | # contain dynamic shared objects.
|
|---|
| 438 | # -bmaxdata:0x80000000 This increases the size of heap memory available
|
|---|
| 439 | # to perl. Default is 256 MB, which sounds large but
|
|---|
| 440 | # caused a software vendor problems. So this sets
|
|---|
| 441 | # heap to 2 GB maximum. Anything higher and you'd
|
|---|
| 442 | # want to consider 64 bit perl.
|
|---|
| 443 | case "$cc" in
|
|---|
| 444 | *gcc*) ldflags="$ldflags -Wl,-brtl -Wl,-bdynamic -Wl,-bmaxdata:0x80000000" ;;
|
|---|
| 445 | *) ldflags="$ldflags -brtl -bdynamic -bmaxdata:0x80000000" ;;
|
|---|
| 446 | esac
|
|---|
| 447 | elif test -f /lib/libC.a -a X"`$cc -v 2>&1 | grep gcc`" = X; then
|
|---|
| 448 | # If the C++ libraries, libC and libC_r, are available we will
|
|---|
| 449 | # prefer them over the vanilla libc, because the libC contain
|
|---|
| 450 | # loadAndInit() and terminateAndUnload() which work correctly
|
|---|
| 451 | # with C++ statics while libc load() and unload() do not. See
|
|---|
| 452 | # ext/DynaLoader/dl_aix.xs. The C-to-C_r switch is done by
|
|---|
| 453 | # usethreads.cbu, if needed.
|
|---|
| 454 |
|
|---|
| 455 | # Cify libswanted.
|
|---|
| 456 | set `echo X "$libswanted "| sed -e 's/ c / C c /'`
|
|---|
| 457 | shift
|
|---|
| 458 | libswanted="$*"
|
|---|
| 459 | # Cify lddlflags.
|
|---|
| 460 | set `echo X "$lddlflags "| sed -e 's/ -lc / -lC -lc /'`
|
|---|
| 461 | shift
|
|---|
| 462 | lddlflags="$*"
|
|---|
| 463 | fi
|
|---|
| 464 |
|
|---|
| 465 | case "$PASE" in
|
|---|
| 466 | define)
|
|---|
| 467 | case "$prefix" in
|
|---|
| 468 | '') prefix=/QOpenSys/perl ;;
|
|---|
| 469 | esac
|
|---|
| 470 | cat >&4 <<EOF
|
|---|
| 471 |
|
|---|
| 472 | ***
|
|---|
| 473 | *** You seem to be compiling in AIX for the OS/400 PASE environment.
|
|---|
| 474 | *** I'm not going to use the AIX bind, nsl, and possible util libraries, then.
|
|---|
| 475 | *** I'm also not going to install perl as /usr/bin/perl.
|
|---|
| 476 | *** Perl will be installed under $prefix.
|
|---|
| 477 | *** For instructions how to install this build from AIX to PASE,
|
|---|
| 478 | *** see the file README.os400. Accept the "aix" for the question
|
|---|
| 479 | *** about "Operating system name".
|
|---|
| 480 | ***
|
|---|
| 481 | EOF
|
|---|
| 482 | set `echo " $libswanted " | sed -e 's@ bind @ @' -e 's@ nsl @ @' -e 's@ util @ @'`
|
|---|
| 483 | shift
|
|---|
| 484 | libswanted="$*"
|
|---|
| 485 | installusrbinperl="$undef"
|
|---|
| 486 |
|
|---|
| 487 | # V5R1 doesn't have this (V5R2 does), without knowing
|
|---|
| 488 | # which one we have it's safer to be pessimistic.
|
|---|
| 489 | # Cwd will work fine even without fchdir(), but if
|
|---|
| 490 | # V5R1 tries to use code compiled assuming fchdir(),
|
|---|
| 491 | # lots of grief will issue forth from Cwd.
|
|---|
| 492 | case "$d_fchdir" in
|
|---|
| 493 | '') d_fchdir="$undef" ;;
|
|---|
| 494 | esac
|
|---|
| 495 | ;;
|
|---|
| 496 | esac
|
|---|
| 497 |
|
|---|
| 498 | # EOF
|
|---|
