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gradle: Add ncurses dependencies on Linux

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If ncurses is available Gradle can use it to prettify its output and
show progress during task execution. The fixup step patches the
bundled native libraries with libstdc++ but not with ncurses, which
means that Gradle will always use the (non-pretty) fallback native
platform libraries.

Patching the native platform libraries with ncurses5 and ncurses6
dependencies fixes the issue.

For some reason both ncurses5 and ncurses6 are required. Gradle will
refuse to start if, for example, the ncurses5 native platform jar is
missing.
This commit is contained in:
Olli Helenius 2021-08-30 21:47:20 +03:00
parent 2680bbd4b3
commit d298031095
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GPG Key ID: 67235CC88F41DE3C
1 changed files with 15 additions and 8 deletions
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23
pkgs/development/tools/build-managers/gradle/default.nix
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@ -6,7 +6,7 @@ rec {
{ version, nativeVersion, sha256, defaultJava ? jdk8 }:
{ lib, stdenv, fetchurl, makeWrapper, unzip, java ? defaultJava
, javaToolchains ? [ ] }:
, javaToolchains ? [ ], ncurses5, ncurses6 }:
stdenv.mkDerivation rec {
pname = "gradle";
@ -52,18 +52,25 @@ rec {
fixupPhase = let arch = if stdenv.is64bit then "amd64" else "i386";
in ''
mkdir patching
pushd patching
jar xf $out/lib/gradle/lib/native-platform-linux-${arch}-${nativeVersion}.jar
patchelf --set-rpath "${stdenv.cc.cc.lib}/lib:${stdenv.cc.cc.lib}/lib64" net/rubygrapefruit/platform/linux-${arch}/libnative-platform.so
jar cf native-platform-linux-${arch}-${nativeVersion}.jar .
mv native-platform-linux-${arch}-${nativeVersion}.jar $out/lib/gradle/lib/
popd
for variant in "" "-ncurses5" "-ncurses6"; do
mkdir "patching$variant"
pushd "patching$variant"
jar xf $out/lib/gradle/lib/native-platform-linux-${arch}$variant-${nativeVersion}.jar
patchelf \
--set-rpath "${stdenv.cc.cc.lib}/lib64:${lib.makeLibraryPath [ stdenv.cc.cc ncurses5 ncurses6 ]}" \
net/rubygrapefruit/platform/linux-${arch}$variant/libnative-platform*.so
jar cf native-platform-linux-${arch}$variant-${nativeVersion}.jar .
mv native-platform-linux-${arch}$variant-${nativeVersion}.jar $out/lib/gradle/lib/
popd
done
# The scanner doesn't pick up the runtime dependency in the jar.
# Manually add a reference where it will be found.
mkdir $out/nix-support
echo ${stdenv.cc.cc} > $out/nix-support/manual-runtime-dependencies
# Gradle will refuse to start without _both_ 5 and 6 versions of ncurses.
echo ${ncurses5} >> $out/nix-support/manual-runtime-dependencies
echo ${ncurses6} >> $out/nix-support/manual-runtime-dependencies
'';
meta = with lib; {