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faust2: fix build

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Fixes https://github.com/NixOS/nixpkgs/issues/12749

The build failure was caused by brittle detection of the
llvm version. See the code for (excessive) details. This fix
is a quick hack, a proper fix would be to parse the version
of the input llvm derivation and use that to derive a proper
value. Here we just pin the version.

Also move build-time deps to `nativeBuildInputs`.
This commit is contained in:
Joachim Fasting 2016-03-09 00:15:48 +01:00
parent 88ca168312
commit 2f73decba8
2 changed files with 19 additions and 2 deletions
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17
pkgs/applications/audio/faust/faust2.nix
View File

@ -37,7 +37,8 @@ let
inherit src;
buildInputs = [ makeWrapper llvm emscripten openssl libsndfile pkgconfig libmicrohttpd vim ];
nativeBuildInputs = [ makeWrapper pkgconfig vim ];
buildInputs = [ llvm emscripten openssl libsndfile libmicrohttpd ];
passthru = {
@ -53,6 +54,20 @@ let
# correct system.
unset system
sed -e "232s/LLVM_STATIC_LIBS/LLVMLIBS/" -i compiler/Makefile.unix
# The makefile sets LLVM_<version> depending on the current llvm
# version, but the detection code is quite brittle.
#
# Failing to properly detect the llvm version means that the macro
# LLVM_VERSION ends up being the raw output of `llvm-config --version`, while
# the code assumes that it's set to a symbol like `LLVM_35`. Two problems result:
# * <command-line>:0:1: error: macro names must be identifiers.; and
# * a bunch of undefined reference errors due to conditional definitions relying on
# LLVM_XY being defined.
#
# For now, fix this by 1) pinning the llvm version; 2) manually setting LLVM_VERSION
# to something the makefile will recognize.
sed '52iLLVM_VERSION=3.7.0' -i compiler/Makefile.unix
'';
# Remove most faust2appl scripts since they won't run properly

4
pkgs/top-level/all-packages.nix
View File

@ -15895,7 +15895,9 @@ let
faust1 = callPackage ../applications/audio/faust/faust1.nix { };
faust2 = callPackage ../applications/audio/faust/faust2.nix { };
faust2 = callPackage ../applications/audio/faust/faust2.nix {
llvm = llvm_37;
};
faust2alqt = callPackage ../applications/audio/faust/faust2alqt.nix { };