| 1 | # hints/gnu.sh |
| 2 | # Originally contributed by: Mark Kettenis <kettenis@phys.uva.nl> Dec 10 1998 |
| 3 | |
| 4 | # libnsl is unusable on the Hurd. |
| 5 | # XXX remove this once SUNRPC is implemented. |
| 6 | set `echo X "$libswanted "| sed -e 's/ bsd / /' -e 's/ nsl / /' -e 's/ c / pthread /'` |
| 7 | shift |
| 8 | libswanted="$*" |
| 9 | |
| 10 | # Debian 4.0 puts ndbm in the -lgdbm_compat library. |
| 11 | libswanted="$libswanted gdbm_compat" |
| 12 | |
| 13 | # malloc wrap works |
| 14 | case "$usemallocwrap" in |
| 15 | '') usemallocwrap='define' ;; |
| 16 | esac |
| 17 | |
| 18 | # The system malloc() is about as fast and as frugal as perl's. |
| 19 | # Since the system malloc() has been the default since at least |
| 20 | # 5.001, we might as well leave it that way. --AD 10 Jan 2002 |
| 21 | case "$usemymalloc" in |
| 22 | '') usemymalloc='n' ;; |
| 23 | esac |
| 24 | |
| 25 | case "$optimize" in |
| 26 | '') optimize='-O2' ;; |
| 27 | esac |
| 28 | |
| 29 | case "$plibpth" in |
| 30 | '') plibpth=`gcc -print-search-dirs | grep libraries | |
| 31 | cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'` |
| 32 | set X $plibpth # Collapse all entries on one line |
| 33 | shift |
| 34 | plibpth="$*" |
| 35 | ;; |
| 36 | esac |
| 37 | |
| 38 | case "$libc" in |
| 39 | '') |
| 40 | # If you have glibc, then report the version for ./myconfig bug reporting. |
| 41 | # (Configure doesn't need to know the specific version since it just uses |
| 42 | # gcc to load the library for all tests.) |
| 43 | # We don't use __GLIBC__ and __GLIBC_MINOR__ because they |
| 44 | # are insufficiently precise to distinguish things like |
| 45 | # libc-2.0.6 and libc-2.0.7. |
| 46 | for p in $plibpth |
| 47 | do |
| 48 | for trylib in libc.so.0.3 libc.so |
| 49 | do |
| 50 | if $test -e $p/$trylib; then |
| 51 | libc=`ls -l $p/$trylib | awk '{print $NF}'` |
| 52 | if $test "X$libc" != X; then |
| 53 | break |
| 54 | fi |
| 55 | fi |
| 56 | done |
| 57 | if $test "X$libc" != X; then |
| 58 | break |
| 59 | fi |
| 60 | done |
| 61 | ;; |
| 62 | esac |
| 63 | |
| 64 | # Flags needed to produce shared libraries. |
| 65 | lddlflags='-shared' |
| 66 | |
| 67 | # Flags needed by programs that use dynamic linking. |
| 68 | ccdlflags='-Wl,-E' |
| 69 | |
| 70 | # This script UU/usethreads.cbu will get 'called-back' by Configure |
| 71 | # after it has prompted the user for whether to use threads. |
| 72 | cat > UU/usethreads.cbu <<'EOCBU' |
| 73 | case "$usethreads" in |
| 74 | $define|true|[yY]*) |
| 75 | ccflags="-D_REENTRANT -D_GNU_SOURCE $ccflags" |
| 76 | if echo $libswanted | grep -v pthread >/dev/null |
| 77 | then |
| 78 | set `echo X "$libswanted "| sed -e 's/ c / pthread c /'` |
| 79 | shift |
| 80 | libswanted="$*" |
| 81 | fi |
| 82 | |
| 83 | # Somehow at least in Debian 2.2 these manage to escape |
| 84 | # the #define forest of <features.h> and <time.h> so that |
| 85 | # the hasproto macro of Configure doesn't see these protos, |
| 86 | # even with the -D_GNU_SOURCE. |
| 87 | |
| 88 | d_asctime_r_proto="$define" |
| 89 | d_crypt_r_proto="$define" |
| 90 | d_ctime_r_proto="$define" |
| 91 | d_gmtime_r_proto="$define" |
| 92 | d_localtime_r_proto="$define" |
| 93 | d_random_r_proto="$define" |
| 94 | |
| 95 | ;; |
| 96 | esac |
| 97 | EOCBU |
| 98 | |
| 99 | cat > UU/uselargefiles.cbu <<'EOCBU' |
| 100 | # This script UU/uselargefiles.cbu will get 'called-back' by Configure |
| 101 | # after it has prompted the user for whether to use large files. |
| 102 | case "$uselargefiles" in |
| 103 | ''|$define|true|[yY]*) |
| 104 | # Keep this in the left margin. |
| 105 | ccflags_uselargefiles="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" |
| 106 | |
| 107 | ccflags="$ccflags $ccflags_uselargefiles" |
| 108 | ;; |
| 109 | esac |
| 110 | EOCBU |
| 111 | |
| 112 | # The following routines are only available as stubs in GNU libc. |
| 113 | # XXX remove this once metaconf detects the GNU libc stubs. |
| 114 | d_msgctl='undef' |
| 115 | d_msgget='undef' |
| 116 | d_msgrcv='undef' |
| 117 | d_msgsnd='undef' |
| 118 | d_semctl='undef' |
| 119 | d_semget='undef' |
| 120 | d_semop='undef' |
| 121 | d_shmat='undef' |
| 122 | d_shmctl='undef' |
| 123 | d_shmdt='undef' |
| 124 | d_shmget='undef' |