X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/c4f23d77f4b3486a36335c4460cbfd4e81e37892..0e79a3d1bc1c5a952ab84e05a3a18162f3651f61:/hints/netbsd.sh diff --git a/hints/netbsd.sh b/hints/netbsd.sh index 8bc6c12..17a4ff6 100644 --- a/hints/netbsd.sh +++ b/hints/netbsd.sh @@ -1,12 +1,7 @@ # hints/netbsd.sh # -# talk to mrg@eterna.com.au if you want to change this file. -# -# netbsd keeps dynamic loading dl*() functions in /usr/lib/crt0.o, -# so Configure doesn't find them (unless you abandon the nm scan). -# this should be *just* 0.9 below as netbsd 0.9a was the first to -# introduce shared libraries. however, they don't work/build on -# pmax, powerpc and alpha ports correctly, yet. +# Please check with packages@netbsd.org before making modifications +# to this file. case "$archname" in '') @@ -14,31 +9,70 @@ case "$archname" in ;; esac +# NetBSD keeps dynamic loading dl*() functions in /usr/lib/crt0.o, +# so Configure doesn't find them (unless you abandon the nm scan). +# Also, NetBSD 0.9a was the first release to introduce shared +# libraries. +# case "$osvers" in 0.9|0.8*) usedl="$undef" ;; *) case `uname -m` in - alpha|powerpc|pmax) - d_dlopen=$undef + pmax) + # NetBSD 1.3 and 1.3.1 on pmax shipped an `old' ld.so, + # which will not work. + case "$osvers" in + 1.3|1.3.1) + d_dlopen=$undef + ;; + esac ;; -# this doesn't work (yet). -# alpha) -# d_dlopen=$define -# d_dlerror=$define -# cccdlflags="-DPIC -fPIC $cccdlflags" -# lddlflags="-shared $lddlflags" -# ;; - *) + esac + if test -f /usr/libexec/ld.elf_so; then + # ELF d_dlopen=$define d_dlerror=$define -# we use -fPIC here because -fpic is *NOT* enough for some of the -# extensions like Tk on some netbsd platforms (the sparc is one) cccdlflags="-DPIC -fPIC $cccdlflags" - lddlflags="-Bforcearchive -Bshareable $lddlflags" - ;; - esac + lddlflags="-shared $lddlflags" + cat >UU/cc.cbu <<'EOCBU' +# gcc 4.6 doesn't support --whole-archive, but it's required for the +# system gcc to build correctly, so check for it +echo 'int f(void) { return 0; }' >try.c +if ${cc:-cc} $cccdlflags -c try.c -otry.o 2>&1 && + ${cc:-cc} --whole-archive $lddlflags try.o -otry.so 2>&1 ; then + lddlflags="--whole-archive $lddlflags" +fi +rm try.c try.o try.so 2>/dev/null +EOCBU + rpathflag="-Wl,-rpath," + case "$osvers" in + 1.[0-5]*) + # + # Include the whole libgcc.a into the perl executable + # so that certain symbols needed by loadable modules + # built as C++ objects (__eh_alloc, __pure_virtual, + # etc.) will always be defined. + # + ccdlflags="-Wl,-whole-archive -lgcc \ + -Wl,-no-whole-archive -Wl,-E $ccdlflags" + ;; + *) + ccdlflags="-Wl,-E $ccdlflags" + ;; + esac + elif test -f /usr/libexec/ld.so; then + # a.out + d_dlopen=$define + d_dlerror=$define + cccdlflags="-DPIC -fPIC $cccdlflags" + lddlflags="-Bshareable $lddlflags" + rpathflag="-R" + else + d_dlopen=$undef + rpathflag= + fi ;; esac @@ -47,25 +81,162 @@ esac # way to make perl call setuid() or setgid(). if they aren't, then # ($<, $>) = ($u, $u); will work (same for $(/$)). this is because # you can not change the real userid of a process under 4.4BSD. -# netbsd fixed this in 1.2A. +# netbsd fixed this in 1.3.2. case "$osvers" in -0.9*|1.0*|1.1*|1.2_*|1.2|1.2.*) +0.9*|1.[012]*|1.3|1.3.1) d_setregid="$undef" d_setreuid="$undef" - d_setrgid="$undef" - d_setruid="$undef" ;; esac -# netbsd 1.3 linker warns about setr[gu]id being deprecated. -# (setregid, setreuid, preferred?) case "$osvers" in -1.3|1.3*) - d_setrgid="$undef" - d_setruid="$undef" +0.9*|1.*|2.*|3.*|4.*|5.*|6.*) + d_getprotoent_r="$undef" + d_getprotobyname_r="$undef" + d_getprotobynumber_r="$undef" + d_setprotoent_r="$undef" + d_endprotoent_r="$undef" + d_getservent_r="$undef" + d_getservbyname_r="$undef" + d_getservbyport_r="$undef" + d_setservent_r="$undef" + d_endservent_r="$undef" + d_getprotoent_r_proto="0" + d_getprotobyname_r_proto="0" + d_getprotobynumber_r_proto="0" + d_setprotoent_r_proto="0" + d_endprotoent_r_proto="0" + d_getservent_r_proto="0" + d_getservbyname_r_proto="0" + d_getservbyport_r_proto="0" + d_setservent_r_proto="0" + d_endservent_r_proto="0" + ;; +esac + +# These are obsolete in any netbsd. +d_setrgid="$undef" +d_setruid="$undef" + +# there's no problem with vfork. +usevfork=true + +# This is there but in machine/ieeefp_h. +ieeefp_h="define" + +# This script UU/usethreads.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to use threads. +cat > UU/usethreads.cbu <<'EOCBU' +case "$usethreads" in +$define|true|[yY]*) + lpthread= + for xxx in pthread; do + for yyy in $loclibpth $plibpth $glibpth dummy; do + zzz=$yyy/lib$xxx.a + if test -f "$zzz"; then + lpthread=$xxx + break; + fi + zzz=$yyy/lib$xxx.so + if test -f "$zzz"; then + lpthread=$xxx + break; + fi + zzz=`ls $yyy/lib$xxx.so.* 2>/dev/null` + if test "X$zzz" != X; then + lpthread=$xxx + break; + fi + done + if test "X$lpthread" != X; then + break; + fi + done + if test "X$lpthread" != X; then + # Add -lpthread. + libswanted="$libswanted $lpthread" + # There is no libc_r as of NetBSD 1.5.2, so no c -> c_r. + # This will be revisited when NetBSD gains a native pthreads + # implementation. + else + echo "$0: No POSIX threads library (-lpthread) found. " \ + "You may want to install GNU pth. Aborting." >&4 + exit 1 + fi + unset lpthread + + # several reentrant functions are embedded in libc, but haven't + # been added to the header files yet. Let's hold off on using + # them until they are a valid part of the API + case "$osvers" in + [012].*|3.[0-1]) + d_getprotobyname_r=$undef + d_getprotobynumber_r=$undef + d_getprotoent_r=$undef + d_getservbyname_r=$undef + d_getservbyport_r=$undef + d_getservent_r=$undef + d_setprotoent_r=$undef + d_setservent_r=$undef + d_endprotoent_r=$undef + d_endservent_r=$undef ;; + esac + ;; + +esac +EOCBU + +# Set sensible defaults for NetBSD: look for local software in +# /usr/pkg (NetBSD Packages Collection) and in /usr/local. +# +loclibpth="/usr/pkg/lib /usr/local/lib" +locincpth="/usr/pkg/include /usr/local/include" +case "$rpathflag" in +'') + ldflags= + ;; +*) + ldflags= + for yyy in $loclibpth; do + ldflags="$ldflags $rpathflag$yyy" + done ;; esac -# vfork is ok on NetBSD. -case "$usevfork" in -'') usevfork=true ;; +case `uname -m` in +alpha) + echo 'int main() {}' > try.c + gcc=`${cc:-cc} -v -c try.c 2>&1|grep 'gcc version egcs-2'` + case "$gcc" in + '' | "gcc version egcs-2.95."[3-9]*) ;; # 2.95.3 or better okay + *) cat >&4 <