libfpx: fix Darwin build

This commit is contained in:
Spencer Whitt 2015-03-31 20:40:38 -04:00
parent d68a0554b6
commit 0253cf06c0

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@ -8,6 +8,14 @@ stdenv.mkDerivation rec {
sha256 = "0pbvxbp30zqjpc0q71qbl15cb47py74c4d6a8qv1mqa6j81pb233";
};
# Darwin gets misdetected as Windows without this
NIX_CFLAGS_COMPILE = if stdenv.isDarwin then "-D__unix" else null;
# This dead code causes a duplicate symbol error in Clang so just remove it
postPatch = if (stdenv.cc.cc.isClang or false) then ''
substituteInPlace jpeg/ejpeg.h --replace "int No_JPEG_Header_Flag" ""
'' else null;
meta = with stdenv.lib; {
homepage = http://www.imagemagick.org;
description = "A library for manipulating FlashPIX images";