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perl-5.8 and perl-5.10: fixed build on MacOS X

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On MacOS X, we used to use the native perl interpreter from /usr/bin.
Unfortunately, that interpreter fails to build a number of packages
(Subversion, Git, etc. ...), because it assumes knowledge about the underlying
C compiler that is not valid for the compiler used by Nix. For example,
/usr/bin/perl assumes that the compiler can build binaries for both the ppc and
the x86 architecture. /usr/bin/FCC can do that, but the gcc from Nix can't.

The solution is to compile Perl 5.10 via Nix so that it can properly configure
itself. However, note that the resulting binary is impure: it will find headers
in /usr/include and libraries in /usr/lib -- something a pure perl binary
wouldn't do. In this respect our Nix-compiled perl binary is not better than
the native one from /usr/bin -- it's just more accurately configured.

svn path=/nixpkgs/trunk/; revision=17618
This commit is contained in:
Peter Simons 2009-10-02 16:26:05 +00:00
parent 99fe875609
commit 67cea803fa
3 changed files with 21 additions and 12 deletions
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10
pkgs/development/interpreters/perl-5.10/default.nix
View File

@ -34,10 +34,14 @@ stdenv.mkDerivation {
preConfigure =
''
configureFlags="$configureFlags -Dprefix=$out -Dman1dir=$out/share/man/man1 -Dman3dir=$out/share/man/man3"
if test "$NIX_ENFORCE_PURITY" = "1"; then
GLIBC=$(cat $NIX_GCC/nix-support/orig-libc)
configureFlags="$configureFlags -Dlocincpth=$GLIBC/include -Dloclibpth=$GLIBC/lib"
case $system in
*-linux) LIBC=$(cat $NIX_GCC/nix-support/orig-libc) ;;
*-darwin) LIBC=/usr ;;
*) echo unsupported system $system; exit 1 ;;
esac
configureFlags="$configureFlags -Dlocincpth=$LIBC/include -Dloclibpth=$LIBC/lib"
fi
'';

8
pkgs/development/interpreters/perl-5.8/builder.sh
View File

@ -1,8 +1,12 @@
source $stdenv/setup
if test "$NIX_ENFORCE_PURITY" = "1"; then
GLIBC=$(cat $NIX_GCC/nix-support/orig-libc)
extraflags="-Dlocincpth=$GLIBC/include -Dloclibpth=$GLIBC/lib"
case $system in
*-linux) LIBC=$(cat $NIX_GCC/nix-support/orig-libc) ;;
*-darwin) LIBC=/usr ;;
*) echo unsupported system $system; exit 1 ;;
esac
extraflags="-Dlocincpth=$LIBC/include -Dloclibpth=$LIBC/lib"
fi
configureScript=./Configure

15
pkgs/top-level/all-packages.nix
View File

@ -2254,18 +2254,19 @@ let
inherit (bleedingEdgeRepos) sourceByName;
};
perl = if !stdenv.isLinux then sysPerl else perlReal;
supportsPerl = stdenv.isLinux || system == "i686-darwin";
perl58 = if !stdenv.isLinux then sysPerl else
perl = if !supportsPerl then sysPerl else
import ../development/interpreters/perl-5.10 {
fetchurl = fetchurlBoot;
inherit stdenv;
};
perl58 = if !supportsPerl then sysPerl else
import ../development/interpreters/perl-5.8 {
inherit fetchurl stdenv;
};
perlReal = import ../development/interpreters/perl-5.10 {
fetchurl = fetchurlBoot;
inherit stdenv;
};
# FIXME: unixODBC needs patching on Darwin (see darwinports)
phpOld = import ../development/interpreters/php {
inherit stdenv fetchurl flex bison libxml2 apacheHttpd;