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1 | # sco.sh |
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2 | # Courtesy of Joel Rosi-Schwartz <j.schwartz@agonet.it> |
3 | |
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4 | # Additional SCO version info from |
5 | # Peter Wolfe <wolfe@teloseng.com> |
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6 | # Last revised |
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7 | # Fri Jul 19 14:54:25 EDT 1996 |
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8 | # and again Tue Sep 29 16:37:25 EDT 1998 |
9 | # by Andy Dougherty <doughera@lafayette.edu> |
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10 | |
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11 | # To use gcc, use sh Configure -Dcc=gcc |
12 | # To use icc, use sh Configure -Dcc=icc |
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13 | |
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14 | # figure out what SCO version we are. The output of uname -X is |
15 | # something like: |
16 | # System = SCO_SV |
17 | # Node = xxxxx |
18 | # Release = 3.2v5.0.0 |
19 | # KernelID = 95/08/08 |
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20 | # Machine = Pentium |
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21 | # BusType = ISA |
22 | # Serial = xxxxx |
23 | # Users = 5-user |
24 | # OEM# = 0 |
25 | # Origin# = 1 |
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26 | # NumCPU = 1 |
27 | |
28 | # Use /bin/uname (because GNU uname may be first in $PATH and |
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29 | # it does not support -X) to figure out what SCO version we are: |
30 | case `/bin/uname -X | egrep '^Release'` in |
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31 | *3.2v4.*) scorls=3 ;; # I don't know why this is 3 instead of 4. |
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32 | *3.2v5.*) scorls=5 ;; |
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33 | *) scorls=5 ;; # Hope the future will be compatible. |
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34 | esac |
35 | |
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36 | # Try to use libintl.a since it has strcoll and strxfrm |
37 | libswanted="intl $libswanted" |
38 | # Try to use libdbm.nfs.a since it has dbmclose. |
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39 | # |
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40 | if test -f /usr/lib/libdbm.nfs.a ; then |
41 | libswanted=`echo "dbm.nfs $libswanted " | sed -e 's/ dbm / /'` |
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42 | set X $libswanted |
43 | shift |
44 | libswanted="$*" |
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45 | fi |
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46 | |
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47 | # We don't want Xenix cross-development libraries |
48 | glibpth=`echo $glibpth | sed -e 's! /usr/lib/386 ! !' -e 's! /lib/386 ! !'` |
49 | xlibpth='' |
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50 | |
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51 | # Common fix for all compilers. |
52 | ccflags="$ccflags -U M_XENIX" |
53 | |
54 | # Set flags for optimization and warning levels. |
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55 | case "$cc" in |
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56 | *gcc*) case "$optimize" in |
57 | '') optimize='-O2' ;; |
58 | esac |
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59 | ;; |
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60 | scocc) ;; # Anybody know anything about this? |
61 | *) # icc or cc -- only relevant difference is safe level of |
62 | # optimization. Apparently. |
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63 | case $scorls in |
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64 | 3) ccflags="$ccflags -W0 -quiet" ;; |
65 | *) ccflags="$ccflags -w0" ;; |
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66 | esac |
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67 | case "$optimize" in |
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68 | '') case "$cc" in |
69 | icc) optimize="-O1" ;; |
70 | *) optimize="-O0" ;; |
71 | esac |
72 | ;; |
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73 | esac |
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74 | ;; |
75 | esac |
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76 | |
77 | # DYNAMIC LOADING: Dynamic loading won't work with scorls=3. |
78 | # It ought to work with Release = 3.2v5.0.0 or later. |
79 | if test "$scorls" = "3" -a "X$usedl" = "X"; then |
80 | usedl=$undef |
81 | else |
82 | # I do not know exactly which of these are essential, |
83 | # but this set has been recommended. --AD |
84 | # These ought to be patched back into metaconfig, but the |
85 | # current metaconfig units don't touch ccflags. |
86 | # Unfortunately, the default on SCO is to produce COFF output, but |
87 | # ELF is needed for dynamic loading, and the cc man page recommends |
88 | # "Always specify option -b elf if ELF and COFF files might be mixed." |
89 | # Therefore, we'll compile everything with -b elf. |
90 | case "$cc" in |
91 | *gcc*) ;; |
92 | *) ccflags="$ccflags -b elf" ;; |
93 | esac |
94 | cccdlflags=none |
95 | ccdlflags='-W l,-Bexport' |
96 | lddlflags="$lddlflags -b elf -G" |
97 | ldflags="$ldflags -b elf -W l,-Bexport" |
98 | fi |
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99 | |
100 | # I have received one report that nm extraction doesn't work if you're |
101 | # using the scocc compiler. This system had the following 'myconfig' |
102 | # uname='xxx xxx 3.2 2 i386 ' |
103 | # cc='scocc', optimize='-O' |
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104 | # You can override this with Configure -Dusenm. |
105 | case "$usenm" in |
106 | '') usenm='false' ;; |
107 | esac |
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108 | |
109 | # If you want to use nm, you'll probably have to use nm -p. The |
110 | # following does that for you: |
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111 | nm_opt='-p' |
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112 | |
113 | # I have received one report that you can't include utime.h in |
114 | # pp_sys.c. Uncomment the following line if that happens to you: |
115 | # i_utime=undef |
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116 | |
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117 | # Perl 5.003_05 and later try to include both <time.h> and <sys/select.h> |
118 | # in pp_sys.c, but that fails due to a redefinition of struct timeval. |
119 | # This will generate a WHOA THERE. Accept the default. |
120 | i_sysselct=$undef |