media-gfx/nomacs: Add USE=jpeg, fix build with !opencv

Gentoo-bug: 592118, 592134

Package-Manager: portage-2.3.0

media-gfx/nomacs/files/nomacs-3.4-no-opencv.patch

@@ -0,0 +1,11 @@
+--- a/src/DkLoader/DkBasicLoader.h
++++ b/src/DkLoader/DkBasicLoader.h
+@@ -258,7 +258,7 @@ class DllLoaderExport DkBasicLoader : public QObject {
+ bool readHeader(const unsigned char** dataPtr, int& fileCount, int& vecSize) const;
+ void getPatchSizeFromFileName(const QString& fileName, int& width, int& height) const;
+ #else
+- bool loadOpenCVVecFile(const QString&, QSharedPointer<QByteArray> = QSharedPointer<QByteArray>(), QSize = QSize()) { return false; };
++ bool loadOpenCVVecFile(const QString&, QImage&, QSharedPointer<QByteArray> = QSharedPointer<QByteArray>(), QSize = QSize()) { return false; };
+ int mergeVecFiles(const QStringList&, QString&) const { return 0; };
+ bool readHeader(const unsigned char**, int&, int&) const { return false; };
+ void getPatchSizeFromFileName(const QString&, int&, int&) const {};

media-gfx/nomacs/nomacs-3.4.ebuild

@@ -13,7 +13,7 @@ SRC_URI="https://github.com/${PN}/${PN}/archive/3.4.tar.gz -> ${P}.tar.gz"
 LICENSE="GPL-3+"
 SLOT="0"
 KEYWORDS="~amd64 ~amd64-linux"
-IUSE="opencv raw tiff zip"
+IUSE="+jpeg opencv raw tiff zip"
 
 REQUIRED_USE="
  raw? ( opencv )
@@ -23,7 +23,7 @@ REQUIRED_USE="
 RDEPEND="
  dev-qt/qtconcurrent:5
  dev-qt/qtcore:5
- dev-qt/qtgui:5
+ dev-qt/qtgui:5[jpeg?]
  dev-qt/qtnetwork:5
  dev-qt/qtprintsupport:5
  dev-qt/qtsvg:5
@@ -41,6 +41,8 @@ DEPEND="${RDEPEND}
 
 S="${WORKDIR}/${P}/ImageLounge"
 
+PATCHES=( "${FILESDIR}/${P}-no-opencv.patch" ) # bug 592134
+
 src_configure() {
  local mycmakeargs=(
  -DENABLE_OPENCV=$(usex opencv)