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