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1 | ## |
2 | # Darwin (Mac OS) hints |
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3 | # Wilfredo Sanchez <wsanchez@wsanchez.net> |
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4 | ## |
5 | |
6 | ## |
7 | # Paths |
8 | ## |
9 | |
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10 | # Configure hasn't figured out the version number yet. Bummer. |
11 | perl_revision=`awk '/define[ ]+PERL_REVISION/ {print $3}' $src/patchlevel.h` |
12 | perl_version=`awk '/define[ ]+PERL_VERSION/ {print $3}' $src/patchlevel.h` |
13 | perl_subversion=`awk '/define[ ]+PERL_SUBVERSION/ {print $3}' $src/patchlevel.h` |
14 | version="${perl_revision}.${perl_version}.${perl_subversion}" |
15 | |
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16 | # BSD paths |
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17 | case "$prefix" in |
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18 | '') |
19 | # Default install; use non-system directories |
20 | prefix='/usr/local'; # Built-in perl uses /usr |
21 | siteprefix='/usr/local'; |
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22 | vendorprefix='/usr'; usevendorprefix='define'; |
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23 | |
24 | # Where to put modules. |
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25 | sitelib="/Library/Perl/${version}"; # FIXME: Want "/Network/Perl/${version}" also |
26 | vendorlib="/System/Library/Perl/${version}"; # Apple-supplied modules |
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27 | ;; |
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28 | |
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29 | '/usr') |
30 | # We are building/replacing the built-in perl |
31 | siteprefix='/usr/local'; |
32 | vendorprefix='/usr/local'; usevendorprefix='define'; |
33 | |
34 | # Where to put modules. |
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35 | sitelib="/Library/Perl/${version}"; # FIXME: Want "/Network/Perl/${version}" also |
36 | vendorlib="/System/Library/Perl/${version}"; # Apple-supplied modules |
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37 | ;; |
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38 | esac |
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39 | |
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40 | # 4BSD uses ${prefix}/share/man, not ${prefix}/man. |
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41 | man1dir="${prefix}/share/man/man1"; |
42 | man3dir="${prefix}/share/man/man3"; |
43 | |
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44 | ## |
45 | # Tool chain settings |
46 | ## |
47 | |
48 | # Since we can build fat, the archname doesn't need the processor type |
49 | archname='darwin'; |
50 | |
51 | # nm works. |
52 | usenm='true'; |
53 | |
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54 | # Optimizing for size also mean less resident memory usage on the part |
55 | # of Perl. Apple asserts that this is a more important optimization than |
56 | # saving on CPU cycles. Given that memory speed has not increased at |
57 | # pace with CPU speed over time (on any platform), this is probably a |
58 | # reasonable assertion. |
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59 | if [ -z "${optimize}" ]; then |
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60 | case "`${cc:-gcc} -v 2>&1`" in |
61 | *"gcc version 3."*) optimize='-Os' ;; |
62 | *) optimize='-O3' ;; |
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63 | esac |
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64 | else |
65 | optimize='-O3' |
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66 | fi |
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67 | |
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68 | # -pipe: makes compilation go faster. |
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69 | # -fno-common because common symbols are not allowed in MH_DYLIB |
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70 | ccflags="${ccflags} -pipe -fno-common" |
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71 | |
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72 | # At least on Darwin 1.3.x: |
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73 | # |
74 | # # define INT32_MIN -2147483648 |
75 | # int main () { |
76 | # double a = INT32_MIN; |
77 | # printf ("INT32_MIN=%g\n", a); |
78 | # return 0; |
79 | # } |
80 | # will output: |
81 | # INT32_MIN=2.14748e+09 |
82 | # Note that the INT32_MIN has become positive. |
83 | # INT32_MIN is set in /usr/include/stdint.h by: |
84 | # #define INT32_MIN -2147483648 |
85 | # which seems to break the gcc. Defining INT32_MIN as (-2147483647-1) |
86 | # seems to work. INT64_MIN seems to be similarly broken. |
87 | # -- Nicholas Clark, Ken Williams, and Edward Moy |
88 | # |
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89 | # This seems to have been fixed since at least Mac OS X 10.1.3, |
90 | # stdint.h defining INT32_MIN as (-INT32_MAX-1) |
91 | # -- Edward Moy |
92 | # |
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93 | case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in |
94 | *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;; |
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95 | esac |
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96 | |
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97 | # Avoid Apple's cpp precompiler, better for extensions |
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98 | cppflags="${cppflags} -no-cpp-precomp" |
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99 | |
100 | # This is necessary because perl's build system doesn't |
101 | # apply cppflags to cc compile lines as it should. |
102 | ccflags="${ccflags} ${cppflags}" |
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103 | |
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104 | # Known optimizer problems. |
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105 | case "`cc -v 2>&1`" in |
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106 | *"3.1 20020105"*) toke_cflags='optimize=""' ;; |
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107 | esac |
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108 | |
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109 | # Shared library extension is .dylib. |
110 | # Bundle extension is .bundle. |
111 | ld='cc'; |
112 | so='dylib'; |
113 | dlext='bundle'; |
114 | dlsrc='dl_dyld.xs'; usedl='define'; |
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115 | cccdlflags=' '; # space, not empty, because otherwise we get -fpic |
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116 | # Perl bundles do not expect two-level namespace, added in Darwin 1.4. |
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117 | case "$osvers" in |
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118 | 1.[0-3].*) ;; |
119 | *) ldflags="${ldflags} -flat_namespace" ;; |
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120 | esac |
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121 | lddlflags="${ldflags} -bundle -undefined suppress"; |
122 | ldlibpthname='DYLD_LIBRARY_PATH'; |
123 | useshrplib='true'; |
124 | |
125 | ## |
126 | # System libraries |
127 | ## |
128 | |
129 | # vfork works |
130 | usevfork='true'; |
131 | |
132 | # malloc works |
133 | usemymalloc='n'; |
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134 | |
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135 | # Locales aren't feeling well. |
136 | LC_ALL=C; export LC_ALL; |
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137 | LANG=C; export LANG; |
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138 | |
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139 | # |
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140 | # The libraries are not threadsafe as of OS X 10.1. |
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141 | # |
142 | # Fix when Apple fixes libc. |
143 | # |
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144 | case "$usethreads$useithreads" in |
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145 | *define*) |
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146 | case "$osvers" in |
147 | [12345].*) cat <<EOM >&4 |
148 | |
149 | |
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150 | |
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151 | *** Warning, there might be problems with your libraries with |
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152 | *** regards to threading. The test ext/threads/t/libc.t is likely |
153 | *** to fail. |
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154 | |
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155 | EOM |
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156 | ;; |
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157 | *) usereentrant='define';; |
158 | esac |
159 | |
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160 | esac |
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161 | |
162 | ## |
163 | # Build process |
164 | ## |
165 | |
166 | # Case-insensitive filesystems don't get along with Makefile and |
167 | # makefile in the same place. Since Darwin uses GNU make, this dodges |
168 | # the problem. |
169 | firstmakefile=GNUmakefile; |