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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 |
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8 | ## |
9 | |
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 | |
16 | # This was previously used in all but causes three cases |
17 | # (no -Ddprefix=, -Dprefix=/usr, -Dprefix=/some/thing/else) |
18 | # but that caused too much grief. |
19 | # vendorlib="/System/Library/Perl/${version}"; # Apple-supplied modules |
20 | |
21 | # BSD paths |
22 | case "$prefix" in |
23 | '') # Default install; use non-system directories |
24 | prefix='/usr/local'; |
25 | siteprefix='/usr/local'; |
26 | ;; |
27 | '/usr') # We are building/replacing the built-in perl |
28 | prefix='/'; |
29 | installprefix='/'; |
30 | bin='/usr/bin'; |
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31 | siteprefix='/usr/local'; |
32 | # We don't want /usr/bin/HEAD issues. |
33 | sitebin='/usr/local/bin'; |
34 | sitescript='/usr/local/bin'; |
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35 | installusrbinperl='define'; # You knew what you were doing. |
36 | privlib="/System/Library/Perl/${version}"; |
37 | sitelib="/Library/Perl/${version}"; |
38 | vendorprefix='/'; |
39 | usevendorprefix='define'; |
40 | vendorbin='/usr/bin'; |
41 | vendorscript='/usr/bin'; |
42 | vendorlib="/Network/Library/Perl/${version}"; |
43 | # 4BSD uses ${prefix}/share/man, not ${prefix}/man. |
44 | man1dir='/usr/share/man/man1'; |
45 | man3dir='/usr/share/man/man3'; |
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46 | # But users' installs shouldn't touch the system man pages. |
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47 | # Transient obsoleted style. |
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48 | siteman1='/usr/local/share/man/man1'; |
49 | siteman3='/usr/local/share/man/man3'; |
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50 | # New style. |
51 | siteman1dir='/usr/local/share/man/man1'; |
52 | siteman3dir='/usr/local/share/man/man3'; |
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53 | ;; |
54 | *) # Anything else; use non-system directories, use Configure defaults |
55 | ;; |
56 | esac |
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57 | |
58 | ## |
59 | # Tool chain settings |
60 | ## |
61 | |
62 | # Since we can build fat, the archname doesn't need the processor type |
63 | archname='darwin'; |
64 | |
65 | # nm works. |
66 | usenm='true'; |
67 | |
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68 | case "$optimize" in |
69 | '') |
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70 | # Optimizing for size also mean less resident memory usage on the part |
71 | # of Perl. Apple asserts that this is a more important optimization than |
72 | # saving on CPU cycles. Given that memory speed has not increased at |
73 | # pace with CPU speed over time (on any platform), this is probably a |
74 | # reasonable assertion. |
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75 | if [ -z "${optimize}" ]; then |
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76 | case "`${cc:-gcc} -v 2>&1`" in |
77 | *"gcc version 3."*) optimize='-Os' ;; |
78 | *) optimize='-O3' ;; |
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79 | esac |
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80 | else |
81 | optimize='-O3' |
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82 | fi |
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83 | ;; |
84 | esac |
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85 | |
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86 | # -pipe: makes compilation go faster. |
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87 | # -fno-common because common symbols are not allowed in MH_DYLIB |
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88 | # -DPERL_DARWIN: apparently the __APPLE__ is not sanctioned by Apple |
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89 | # as the way to differentiate Mac OS X. (The official line is that |
90 | # *no* cpp symbol does differentiate Mac OS X.) |
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91 | ccflags="${ccflags} -pipe -fno-common -DPERL_DARWIN" |
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92 | |
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93 | # At least on Darwin 1.3.x: |
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94 | # |
95 | # # define INT32_MIN -2147483648 |
96 | # int main () { |
97 | # double a = INT32_MIN; |
98 | # printf ("INT32_MIN=%g\n", a); |
99 | # return 0; |
100 | # } |
101 | # will output: |
102 | # INT32_MIN=2.14748e+09 |
103 | # Note that the INT32_MIN has become positive. |
104 | # INT32_MIN is set in /usr/include/stdint.h by: |
105 | # #define INT32_MIN -2147483648 |
106 | # which seems to break the gcc. Defining INT32_MIN as (-2147483647-1) |
107 | # seems to work. INT64_MIN seems to be similarly broken. |
108 | # -- Nicholas Clark, Ken Williams, and Edward Moy |
109 | # |
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110 | # This seems to have been fixed since at least Mac OS X 10.1.3, |
111 | # stdint.h defining INT32_MIN as (-INT32_MAX-1) |
112 | # -- Edward Moy |
113 | # |
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114 | case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in |
115 | *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;; |
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116 | esac |
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117 | |
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118 | # Avoid Apple's cpp precompiler, better for extensions |
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119 | cppflags="${cppflags} -no-cpp-precomp" |
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120 | |
121 | # This is necessary because perl's build system doesn't |
122 | # apply cppflags to cc compile lines as it should. |
123 | ccflags="${ccflags} ${cppflags}" |
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124 | |
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125 | # Known optimizer problems. |
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126 | case "`cc -v 2>&1`" in |
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127 | *"3.1 20020105"*) toke_cflags='optimize=""' ;; |
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128 | esac |
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129 | |
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130 | # Shared library extension is .dylib. |
131 | # Bundle extension is .bundle. |
132 | ld='cc'; |
133 | so='dylib'; |
134 | dlext='bundle'; |
135 | dlsrc='dl_dyld.xs'; usedl='define'; |
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136 | cccdlflags=' '; # space, not empty, because otherwise we get -fpic |
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137 | # Perl bundles do not expect two-level namespace, added in Darwin 1.4. |
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138 | # But starting from perl 5.8.1/Darwin 7 the default is the two-level. |
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139 | case "$osvers" in |
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140 | 1.[0-3].*) |
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141 | lddlflags="${ldflags} -bundle -undefined suppress" |
142 | ;; |
143 | 1.*) |
144 | ldflags="${ldflags} -flat_namespace" |
145 | lddlflags="${ldflags} -bundle -undefined suppress" |
146 | ;; |
147 | [2-6].*) |
148 | ldflags="${ldflags} -flat_namespace" |
149 | lddlflags="${ldflags} -bundle -undefined suppress" |
150 | ;; |
151 | *) lddlflags="${ldflags} -bundle -undefined dynamic_lookup" |
152 | case "$ld" in |
153 | *MACOSX_DEVELOPMENT_TARGET*) ;; |
154 | *) ld="MACOSX_DEPLOYMENT_TARGET=10.3 ${ld}" ;; |
155 | esac |
156 | ;; |
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157 | esac |
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158 | ldlibpthname='DYLD_LIBRARY_PATH'; |
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159 | |
160 | # useshrplib=true results in much slower startup times. |
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161 | # 'false' is the default value. Use Configure -Duseshrplib to override. |
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162 | |
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163 | cat > UU/archname.cbu <<'EOCBU' |
164 | # This script UU/archname.cbu will get 'called-back' by Configure |
165 | # after it has otherwise determined the architecture name. |
166 | case "$ldflags" in |
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167 | *"-flat_namespace"*) ;; # Backward compat, be flat. |
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168 | # If we are using two-level namespace, we will munge the archname to show it. |
169 | *) archname="${archname}-2level" ;; |
170 | esac |
171 | EOCBU |
172 | |
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173 | ## |
174 | # System libraries |
175 | ## |
176 | |
177 | # vfork works |
178 | usevfork='true'; |
179 | |
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180 | # our malloc works (but allow users to override) |
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181 | case "$usemymalloc" in |
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182 | '') usemymalloc='n' ;; |
183 | esac |
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184 | |
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185 | # Locales aren't feeling well. |
186 | LC_ALL=C; export LC_ALL; |
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187 | LANG=C; export LANG; |
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188 | |
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189 | # |
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190 | # The libraries are not threadsafe as of OS X 10.1. |
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191 | # |
192 | # Fix when Apple fixes libc. |
193 | # |
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194 | case "$usethreads$useithreads" in |
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195 | *define*) |
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196 | case "$osvers" in |
197 | [12345].*) cat <<EOM >&4 |
198 | |
199 | |
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200 | |
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201 | *** Warning, there might be problems with your libraries with |
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202 | *** regards to threading. The test ext/threads/t/libc.t is likely |
203 | *** to fail. |
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204 | |
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205 | EOM |
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206 | ;; |
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207 | *) usereentrant='define';; |
208 | esac |
209 | |
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210 | esac |
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211 | |
212 | ## |
213 | # Build process |
214 | ## |
215 | |
216 | # Case-insensitive filesystems don't get along with Makefile and |
217 | # makefile in the same place. Since Darwin uses GNU make, this dodges |
218 | # the problem. |
219 | firstmakefile=GNUmakefile; |