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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/${version}"; # Apple-supplied modules |
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37 | ;; |
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38 | |
39 | *) |
40 | # Anything else; use non-system directories |
41 | # prefix=$prefix; # Built-in perl uses /usr |
42 | siteprefix=$prefix; |
43 | vendorprefix='/usr'; usevendorprefix='define'; |
44 | |
45 | # Where to put modules. |
46 | sitelib=$prefix/lib/perl5/site_perl/${version} |
47 | vendorlib="/System/Library/Perl/${version}"; # Apple-supplied modules |
48 | ;; |
49 | |
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50 | esac |
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51 | |
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52 | # 4BSD uses ${prefix}/share/man, not ${prefix}/man. |
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53 | man1dir="${prefix}/share/man/man1"; |
54 | man3dir="${prefix}/share/man/man3"; |
55 | |
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56 | ## |
57 | # Tool chain settings |
58 | ## |
59 | |
60 | # Since we can build fat, the archname doesn't need the processor type |
61 | archname='darwin'; |
62 | |
63 | # nm works. |
64 | usenm='true'; |
65 | |
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66 | case "$optimize" in |
67 | '') |
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68 | # Optimizing for size also mean less resident memory usage on the part |
69 | # of Perl. Apple asserts that this is a more important optimization than |
70 | # saving on CPU cycles. Given that memory speed has not increased at |
71 | # pace with CPU speed over time (on any platform), this is probably a |
72 | # reasonable assertion. |
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73 | if [ -z "${optimize}" ]; then |
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74 | case "`${cc:-gcc} -v 2>&1`" in |
75 | *"gcc version 3."*) optimize='-Os' ;; |
76 | *) optimize='-O3' ;; |
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77 | esac |
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78 | else |
79 | optimize='-O3' |
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80 | fi |
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81 | ;; |
82 | esac |
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83 | |
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84 | # -pipe: makes compilation go faster. |
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85 | # -fno-common because common symbols are not allowed in MH_DYLIB |
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86 | # -DDARWIN: apparently the __APPLE__ is not sanctioned by Apple |
87 | # as the way to differentiate Mac OS X. (The official line is that |
88 | # *no* cpp symbol does differentiate Mac OS X.) |
89 | ccflags="${ccflags} -pipe -fno-common -DDARWIN" |
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90 | |
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91 | # At least on Darwin 1.3.x: |
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92 | # |
93 | # # define INT32_MIN -2147483648 |
94 | # int main () { |
95 | # double a = INT32_MIN; |
96 | # printf ("INT32_MIN=%g\n", a); |
97 | # return 0; |
98 | # } |
99 | # will output: |
100 | # INT32_MIN=2.14748e+09 |
101 | # Note that the INT32_MIN has become positive. |
102 | # INT32_MIN is set in /usr/include/stdint.h by: |
103 | # #define INT32_MIN -2147483648 |
104 | # which seems to break the gcc. Defining INT32_MIN as (-2147483647-1) |
105 | # seems to work. INT64_MIN seems to be similarly broken. |
106 | # -- Nicholas Clark, Ken Williams, and Edward Moy |
107 | # |
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108 | # This seems to have been fixed since at least Mac OS X 10.1.3, |
109 | # stdint.h defining INT32_MIN as (-INT32_MAX-1) |
110 | # -- Edward Moy |
111 | # |
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112 | case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in |
113 | *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;; |
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114 | esac |
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115 | |
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116 | # Avoid Apple's cpp precompiler, better for extensions |
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117 | cppflags="${cppflags} -no-cpp-precomp" |
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118 | |
119 | # This is necessary because perl's build system doesn't |
120 | # apply cppflags to cc compile lines as it should. |
121 | ccflags="${ccflags} ${cppflags}" |
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122 | |
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123 | # Known optimizer problems. |
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124 | case "`cc -v 2>&1`" in |
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125 | *"3.1 20020105"*) toke_cflags='optimize=""' ;; |
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126 | esac |
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127 | |
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128 | # Shared library extension is .dylib. |
129 | # Bundle extension is .bundle. |
130 | ld='cc'; |
131 | so='dylib'; |
132 | dlext='bundle'; |
133 | dlsrc='dl_dyld.xs'; usedl='define'; |
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134 | cccdlflags=' '; # space, not empty, because otherwise we get -fpic |
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135 | # Perl bundles do not expect two-level namespace, added in Darwin 1.4. |
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136 | # But starting from perl 5.8.1/Darwin 7 the default is the two-level. |
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137 | case "$osvers" in |
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138 | 1.[0-3].*) |
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139 | lddlflags="${ldflags} -bundle -undefined suppress" |
140 | ;; |
141 | 1.*) |
142 | ldflags="${ldflags} -flat_namespace" |
143 | lddlflags="${ldflags} -bundle -undefined suppress" |
144 | ;; |
145 | [2-6].*) |
146 | ldflags="${ldflags} -flat_namespace" |
147 | lddlflags="${ldflags} -bundle -undefined suppress" |
148 | ;; |
149 | *) lddlflags="${ldflags} -bundle -undefined dynamic_lookup" |
150 | case "$ld" in |
151 | *MACOSX_DEVELOPMENT_TARGET*) ;; |
152 | *) ld="MACOSX_DEPLOYMENT_TARGET=10.3 ${ld}" ;; |
153 | esac |
154 | ;; |
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155 | esac |
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156 | ldlibpthname='DYLD_LIBRARY_PATH'; |
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157 | |
158 | # useshrplib=true results in much slower startup times. |
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159 | # 'false' is the default value. Use Configure -Duseshrplib to override. |
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160 | |
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161 | cat > UU/archname.cbu <<'EOCBU' |
162 | # This script UU/archname.cbu will get 'called-back' by Configure |
163 | # after it has otherwise determined the architecture name. |
164 | case "$ldflags" in |
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165 | *"-flat_namespace"*) ;; # Backward compat, be flat. |
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166 | # If we are using two-level namespace, we will munge the archname to show it. |
167 | *) archname="${archname}-2level" ;; |
168 | esac |
169 | EOCBU |
170 | |
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171 | ## |
172 | # System libraries |
173 | ## |
174 | |
175 | # vfork works |
176 | usevfork='true'; |
177 | |
178 | # malloc works |
179 | usemymalloc='n'; |
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180 | |
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181 | # Locales aren't feeling well. |
182 | LC_ALL=C; export LC_ALL; |
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183 | LANG=C; export LANG; |
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184 | |
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185 | # |
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186 | # The libraries are not threadsafe as of OS X 10.1. |
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187 | # |
188 | # Fix when Apple fixes libc. |
189 | # |
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190 | case "$usethreads$useithreads" in |
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191 | *define*) |
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192 | case "$osvers" in |
193 | [12345].*) cat <<EOM >&4 |
194 | |
195 | |
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196 | |
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197 | *** Warning, there might be problems with your libraries with |
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198 | *** regards to threading. The test ext/threads/t/libc.t is likely |
199 | *** to fail. |
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200 | |
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201 | EOM |
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202 | ;; |
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203 | *) usereentrant='define';; |
204 | esac |
205 | |
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206 | esac |
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207 | |
208 | ## |
209 | # Build process |
210 | ## |
211 | |
212 | # Case-insensitive filesystems don't get along with Makefile and |
213 | # makefile in the same place. Since Darwin uses GNU make, this dodges |
214 | # the problem. |
215 | firstmakefile=GNUmakefile; |