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nixpkgs/pkgs/build-support/gcc-wrapper2
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Lluís Batlle i Rossell f3c23487a2 Adding a new version of the gcc-wrapper, named gcc-wrapper2, in order not to rebuild 
stdenv.

In this gcc-wrapper2 I made the ld-wrapper.sh to handle the linking with shared
objects through direct pass as ld command arguments of the absolute path to shared
objects, instead of using the -L/-l combinations.

cmake 'FindXXX.cmake' modules make a strong usage of the dynamic linking directly
passing the absolute path to the shared object to the linker, and as our wrapper did
not add any -rpath for those, writting the nix expressions for some cmake packages
resulted in a lot of tricks, compared to using this gcc-wrapper2.

This gcc-wrapper2/ld-wrapper.sh should become the gcc-wrapper/ld-wrapper in a
stdenv update.

I also updated some cmake expressions to use this gcc-wrapper2, and reduced its
tricks.

I also updated the cmake setup-hook for it to make cmake not touch any rpath decided
at build time, when running the 'make install' of makefiles created by cmake.

svn path=/nixpkgs/trunk/; revision=18885
2009-12-10 22:19:52 +00:00
..
add-flags Adding a new version of the gcc-wrapper, named gcc-wrapper2, in order not to rebuild 2009-12-10 22:19:52 +00:00
builder.sh Adding a new version of the gcc-wrapper, named gcc-wrapper2, in order not to rebuild 2009-12-10 22:19:52 +00:00
default.nix Adding a new version of the gcc-wrapper, named gcc-wrapper2, in order not to rebuild 2009-12-10 22:19:52 +00:00
gcc-wrapper.sh Adding a new version of the gcc-wrapper, named gcc-wrapper2, in order not to rebuild 2009-12-10 22:19:52 +00:00
ld-wrapper.sh Adding a new version of the gcc-wrapper, named gcc-wrapper2, in order not to rebuild 2009-12-10 22:19:52 +00:00
README Adding a new version of the gcc-wrapper, named gcc-wrapper2, in order not to rebuild 2009-12-10 22:19:52 +00:00
setup-hook.sh Adding a new version of the gcc-wrapper, named gcc-wrapper2, in order not to rebuild 2009-12-10 22:19:52 +00:00
utils.sh Adding a new version of the gcc-wrapper, named gcc-wrapper2, in order not to rebuild 2009-12-10 22:19:52 +00:00

README 

To be removed after we merge stdenv-updates in.
stdenv-updates should have this gcc-wrapper2 as gcc-wrapper.

Changelog against gcc-wrapper:
- Support for linking shared objects with direct mention of the /path/libxxx.so object,
  thus, adding its path to the rpath.