| 1 | ## |
| 2 | # Darwin (Mac OS) hints |
| 3 | # Wilfredo Sanchez <wsanchez@wsanchez.net> |
| 4 | ## |
| 5 | |
| 6 | ## |
| 7 | # Paths |
| 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 | # Pretend that Darwin doesn't know about those system calls [perl #24122] |
| 17 | d_setregid='undef' |
| 18 | d_setreuid='undef' |
| 19 | d_setrgid='undef' |
| 20 | d_setruid='undef' |
| 21 | |
| 22 | # This was previously used in all but causes three cases |
| 23 | # (no -Ddprefix=, -Dprefix=/usr, -Dprefix=/some/thing/else) |
| 24 | # but that caused too much grief. |
| 25 | # vendorlib="/System/Library/Perl/${version}"; # Apple-supplied modules |
| 26 | |
| 27 | # BSD paths |
| 28 | case "$prefix" in |
| 29 | '') # Default install; use non-system directories |
| 30 | prefix='/usr/local'; |
| 31 | siteprefix='/usr/local'; |
| 32 | ;; |
| 33 | '/usr') # We are building/replacing the built-in perl |
| 34 | prefix='/'; |
| 35 | installprefix='/'; |
| 36 | bin='/usr/bin'; |
| 37 | siteprefix='/usr/local'; |
| 38 | # We don't want /usr/bin/HEAD issues. |
| 39 | sitebin='/usr/local/bin'; |
| 40 | sitescript='/usr/local/bin'; |
| 41 | installusrbinperl='define'; # You knew what you were doing. |
| 42 | privlib="/System/Library/Perl/${version}"; |
| 43 | sitelib="/Library/Perl/${version}"; |
| 44 | vendorprefix='/'; |
| 45 | usevendorprefix='define'; |
| 46 | vendorbin='/usr/bin'; |
| 47 | vendorscript='/usr/bin'; |
| 48 | vendorlib="/Network/Library/Perl/${version}"; |
| 49 | # 4BSD uses ${prefix}/share/man, not ${prefix}/man. |
| 50 | man1dir='/usr/share/man/man1'; |
| 51 | man3dir='/usr/share/man/man3'; |
| 52 | # But users' installs shouldn't touch the system man pages. |
| 53 | # Transient obsoleted style. |
| 54 | siteman1='/usr/local/share/man/man1'; |
| 55 | siteman3='/usr/local/share/man/man3'; |
| 56 | # New style. |
| 57 | siteman1dir='/usr/local/share/man/man1'; |
| 58 | siteman3dir='/usr/local/share/man/man3'; |
| 59 | ;; |
| 60 | *) # Anything else; use non-system directories, use Configure defaults |
| 61 | ;; |
| 62 | esac |
| 63 | |
| 64 | ## |
| 65 | # Tool chain settings |
| 66 | ## |
| 67 | |
| 68 | # Since we can build fat, the archname doesn't need the processor type |
| 69 | archname='darwin'; |
| 70 | |
| 71 | # nm works. |
| 72 | usenm='true'; |
| 73 | |
| 74 | case "$optimize" in |
| 75 | '') |
| 76 | # Optimizing for size also mean less resident memory usage on the part |
| 77 | # of Perl. Apple asserts that this is a more important optimization than |
| 78 | # saving on CPU cycles. Given that memory speed has not increased at |
| 79 | # pace with CPU speed over time (on any platform), this is probably a |
| 80 | # reasonable assertion. |
| 81 | if [ -z "${optimize}" ]; then |
| 82 | case "`${cc:-gcc} -v 2>&1`" in |
| 83 | *"gcc version 3."*) optimize='-Os' ;; |
| 84 | *) optimize='-O3' ;; |
| 85 | esac |
| 86 | else |
| 87 | optimize='-O3' |
| 88 | fi |
| 89 | ;; |
| 90 | esac |
| 91 | |
| 92 | # -fno-common because common symbols are not allowed in MH_DYLIB |
| 93 | # -DPERL_DARWIN: apparently the __APPLE__ is not sanctioned by Apple |
| 94 | # as the way to differentiate Mac OS X. (The official line is that |
| 95 | # *no* cpp symbol does differentiate Mac OS X.) |
| 96 | ccflags="${ccflags} -fno-common -DPERL_DARWIN" |
| 97 | |
| 98 | # At least on Darwin 1.3.x: |
| 99 | # |
| 100 | # # define INT32_MIN -2147483648 |
| 101 | # int main () { |
| 102 | # double a = INT32_MIN; |
| 103 | # printf ("INT32_MIN=%g\n", a); |
| 104 | # return 0; |
| 105 | # } |
| 106 | # will output: |
| 107 | # INT32_MIN=2.14748e+09 |
| 108 | # Note that the INT32_MIN has become positive. |
| 109 | # INT32_MIN is set in /usr/include/stdint.h by: |
| 110 | # #define INT32_MIN -2147483648 |
| 111 | # which seems to break the gcc. Defining INT32_MIN as (-2147483647-1) |
| 112 | # seems to work. INT64_MIN seems to be similarly broken. |
| 113 | # -- Nicholas Clark, Ken Williams, and Edward Moy |
| 114 | # |
| 115 | # This seems to have been fixed since at least Mac OS X 10.1.3, |
| 116 | # stdint.h defining INT32_MIN as (-INT32_MAX-1) |
| 117 | # -- Edward Moy |
| 118 | # |
| 119 | case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in |
| 120 | *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;; |
| 121 | esac |
| 122 | |
| 123 | # Avoid Apple's cpp precompiler, better for extensions |
| 124 | cppflags="${cppflags} -no-cpp-precomp" |
| 125 | |
| 126 | # This is necessary because perl's build system doesn't |
| 127 | # apply cppflags to cc compile lines as it should. |
| 128 | ccflags="${ccflags} ${cppflags}" |
| 129 | |
| 130 | # Known optimizer problems. |
| 131 | case "`cc -v 2>&1`" in |
| 132 | *"3.1 20020105"*) toke_cflags='optimize=""' ;; |
| 133 | esac |
| 134 | |
| 135 | # Shared library extension is .dylib. |
| 136 | # Bundle extension is .bundle. |
| 137 | ld='cc'; |
| 138 | so='dylib'; |
| 139 | dlext='bundle'; |
| 140 | usedl='define'; |
| 141 | |
| 142 | # 10.4 can use dlopen. |
| 143 | # 10.4 broke poll(). |
| 144 | case "$osvers" in |
| 145 | [1-7].*) |
| 146 | dlsrc='dl_dyld.xs'; |
| 147 | ;; |
| 148 | *) |
| 149 | dlsrc='dl_dlopen.xs'; |
| 150 | d_poll='undef'; |
| 151 | i_poll='undef'; |
| 152 | ;; |
| 153 | esac |
| 154 | |
| 155 | case "$ccdlflags" in # If passed in from command line, presume user knows best |
| 156 | '') |
| 157 | cccdlflags=' '; # space, not empty, because otherwise we get -fpic |
| 158 | ;; |
| 159 | esac |
| 160 | |
| 161 | # Perl bundles do not expect two-level namespace, added in Darwin 1.4. |
| 162 | # But starting from perl 5.8.1/Darwin 7 the default is the two-level. |
| 163 | case "$osvers" in |
| 164 | 1.[0-3].*) |
| 165 | lddlflags="${ldflags} -bundle -undefined suppress" |
| 166 | ;; |
| 167 | 1.*) |
| 168 | ldflags="${ldflags} -flat_namespace" |
| 169 | lddlflags="${ldflags} -bundle -undefined suppress" |
| 170 | ;; |
| 171 | [2-6].*) |
| 172 | ldflags="${ldflags} -flat_namespace" |
| 173 | lddlflags="${ldflags} -bundle -undefined suppress" |
| 174 | ;; |
| 175 | *) |
| 176 | lddlflags="${ldflags} -bundle -undefined dynamic_lookup" |
| 177 | case "$ld" in |
| 178 | *MACOSX_DEVELOPMENT_TARGET*) ;; |
| 179 | *) ld="env MACOSX_DEPLOYMENT_TARGET=10.3 ${ld}" ;; |
| 180 | esac |
| 181 | ;; |
| 182 | esac |
| 183 | ldlibpthname='DYLD_LIBRARY_PATH'; |
| 184 | |
| 185 | # useshrplib=true results in much slower startup times. |
| 186 | # 'false' is the default value. Use Configure -Duseshrplib to override. |
| 187 | |
| 188 | cat > UU/archname.cbu <<'EOCBU' |
| 189 | # This script UU/archname.cbu will get 'called-back' by Configure |
| 190 | # after it has otherwise determined the architecture name. |
| 191 | case "$ldflags" in |
| 192 | *"-flat_namespace"*) ;; # Backward compat, be flat. |
| 193 | # If we are using two-level namespace, we will munge the archname to show it. |
| 194 | *) archname="${archname}-2level" ;; |
| 195 | esac |
| 196 | EOCBU |
| 197 | |
| 198 | # 64-bit addressing support. Currently strictly experimental. DFD 2005-06-06 |
| 199 | case "$use64bitall" in |
| 200 | $define|true|[yY]*) |
| 201 | case "$osvers" in |
| 202 | [1-7].*) |
| 203 | cat <<EOM >&4 |
| 204 | |
| 205 | |
| 206 | |
| 207 | *** 64-bit addressing is not supported for Mac OS X versions |
| 208 | *** below 10.4 ("Tiger") or Darwin versions below 8. Please try |
| 209 | *** again without -Duse64bitall. (-Duse64bitint will work, however.) |
| 210 | |
| 211 | EOM |
| 212 | exit 1 |
| 213 | ;; |
| 214 | *) |
| 215 | case "$osvers" in |
| 216 | 8.*) |
| 217 | cat <<EOM >&4 |
| 218 | |
| 219 | |
| 220 | |
| 221 | *** Perl 64-bit addressing support is experimental for Mac OS X |
| 222 | *** 10.4 ("Tiger") and Darwin version 8. System V IPC is disabled |
| 223 | *** due to problems with the 64-bit versions of msgctl, semctl, |
| 224 | *** and shmctl. You should also expect the following test failures: |
| 225 | *** |
| 226 | *** ext/threads-shared/t/wait (threaded builds only) |
| 227 | |
| 228 | EOM |
| 229 | |
| 230 | [ "$d_msgctl" ] || d_msgctl='undef' |
| 231 | [ "$d_semctl" ] || d_semctl='undef' |
| 232 | [ "$d_shmctl" ] || d_shmctl='undef' |
| 233 | ;; |
| 234 | esac |
| 235 | |
| 236 | case `uname -p` in |
| 237 | powerpc) arch=ppc64 ;; |
| 238 | i386) arch=x86_64 ;; |
| 239 | *) cat <<EOM >&4 |
| 240 | |
| 241 | *** Don't recognize processor, can't specify 64 bit compilation. |
| 242 | |
| 243 | EOM |
| 244 | ;; |
| 245 | esac |
| 246 | for var in ccflags cppflags ld ldflags |
| 247 | do |
| 248 | eval $var="\$${var}\ -arch\ $arch" |
| 249 | done |
| 250 | |
| 251 | ;; |
| 252 | esac |
| 253 | ;; |
| 254 | esac |
| 255 | |
| 256 | ## |
| 257 | # System libraries |
| 258 | ## |
| 259 | |
| 260 | # vfork works |
| 261 | usevfork='true'; |
| 262 | |
| 263 | # malloc wrap works |
| 264 | case "$usemallocwrap" in |
| 265 | '') usemallocwrap='define' ;; |
| 266 | esac |
| 267 | |
| 268 | # our malloc works (but allow users to override) |
| 269 | case "$usemymalloc" in |
| 270 | '') usemymalloc='n' ;; |
| 271 | esac |
| 272 | # However sbrk() returns -1 (failure) somewhere in lib/unicore/mktables at |
| 273 | # around 14M, so we need to use system malloc() as our sbrk() |
| 274 | malloc_cflags='ccflags="-DUSE_PERL_SBRK -DPERL_SBRK_VIA_MALLOC $ccflags"' |
| 275 | |
| 276 | # Locales aren't feeling well. |
| 277 | LC_ALL=C; export LC_ALL; |
| 278 | LANG=C; export LANG; |
| 279 | |
| 280 | # |
| 281 | # The libraries are not threadsafe as of OS X 10.1. |
| 282 | # |
| 283 | # Fix when Apple fixes libc. |
| 284 | # |
| 285 | case "$usethreads$useithreads" in |
| 286 | *define*) |
| 287 | case "$osvers" in |
| 288 | [12345].*) cat <<EOM >&4 |
| 289 | |
| 290 | |
| 291 | |
| 292 | *** Warning, there might be problems with your libraries with |
| 293 | *** regards to threading. The test ext/threads/t/libc.t is likely |
| 294 | *** to fail. |
| 295 | |
| 296 | EOM |
| 297 | ;; |
| 298 | *) usereentrant='define';; |
| 299 | esac |
| 300 | |
| 301 | esac |
| 302 | |
| 303 | # Fink can install a GDBM library that claims to have the ODBM interfaces |
| 304 | # but Perl dynaloader cannot for some reason use that library. We don't |
| 305 | # really need ODBM_FIle, though, so let's just hint ODBM away. |
| 306 | i_dbm=undef; |
| 307 | |
| 308 | # Configure doesn't detect ranlib on Tiger properly. |
| 309 | # NeilW says this should be acceptable on all darwin versions. |
| 310 | ranlib='ranlib' |
| 311 | |
| 312 | ## |
| 313 | # Build process |
| 314 | ## |
| 315 | |
| 316 | # Case-insensitive filesystems don't get along with Makefile and |
| 317 | # makefile in the same place. Since Darwin uses GNU make, this dodges |
| 318 | # the problem. |
| 319 | firstmakefile=GNUmakefile; |