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pngpp: darwin support

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1) Building with clang is addressed by navigating a minor #if in some
of the code.

2) I noticed that even when things were building correctly, passing
`${out}` as a variable assignment to `make` was actually not working:
there were compiler warnings about missing include directories whose
bogus paths involved the literal string `out`. I ended up fixing this
by performing the assignment to the make variable `PREFIX` in the
`Makefile` itself.
This commit is contained in:
Anthony Cowley 2018-01-11 15:44:45 -05:00
parent 310ad4345b
commit ed559bf5d3
1 changed files with 9 additions and 5 deletions
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14
pkgs/development/libraries/png++/default.nix
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@ -21,13 +21,17 @@ stdenv.mkDerivation rec {
postCheck = "cat test/test.log";
buildInputs = [ ]
++ stdenv.lib.optional docSupport doxygen;
buildInputs = stdenv.lib.optional docSupport doxygen;
propagatedBuildInputs = [ libpng ];
makeFlags = [ "PREFIX=\${out}" ]
++ stdenv.lib.optional docSupport "docs";
preConfigure = stdenv.lib.optionalString stdenv.isDarwin ''
substituteInPlace error.hpp --replace "#if (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE" "#if (__clang__ || _POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE"
'' + ''
sed "s|\(PNGPP := .\)|PREFIX := ''${out}\n\\1|" -i Makefile
'';
makeFlags = stdenv.lib.optional docSupport "docs";
enableParallelBuilding = true;
@ -35,7 +39,7 @@ stdenv.mkDerivation rec {
homepage = http://www.nongnu.org/pngpp/;
description = "C++ wrapper for libpng library";
license = licenses.bsd3;
platforms = platforms.linux;
platforms = platforms.unix;
maintainers = [ maintainers.ramkromberg ];
};
}