media-gfx/gmic: fix qt-cmake patch for 2.7.1

Closes: https://bugs.gentoo.org/693486

Signed-off-by: Tim Harder <[email protected]>

media-gfx/gmic/files/gmic-2.7.1-qt-cmake.patch

@@ -0,0 +1,35 @@
+Fix linking with fftw when thread support is enabled.
+
+--- gmic-qt/CMakeLists.txt
++++ gmic-qt/CMakeLists.txt
+@@ -13,6 +13,7 @@
+ set(CMAKE_AUTOUIC OFF)
+ set(CMAKE_AUTORCC ON)
+ set(CMAKE_INCLUDE_CURRENT_DIR ON)
++set(EXTRA_LIBRARIES)
+
+ set (GMIC_QT_HOST "gimp" CACHE STRING "Define for which host qmic-qt will be built: gimp, krita, none, paintdotnet, or digikam.")
+ if (${GMIC_QT_HOST} STREQUAL "none")
+@@ -145,8 +146,13 @@
+ #
+ find_package(FFTW3 REQUIRED)
+ add_definitions(-Dcimg_use_fftw3 )
+-add_definitions(-Dcimg_use_fftw3_singlethread )
+ include_directories(${FFTW3_INCLUDE_DIR})
++find_library(FFTW3_THREADS_LIB fftw3_threads PATHS ${FFTW3_LIBRARY_DIRS})
++if(FFTW3_THREADS_LIB STREQUAL "FFTW3_THREADS_LIB-NOTFOUND")
++ add_definitions(-Dcimg_use_fftw3_singlethread)
++else()
++ list(APPEND EXTRA_LIBRARIES "-lfftw3_threads")
++endif()
+
+ #
+ # CURL
+@@ -187,6 +193,7 @@
+ ${PNG_LIBRARIES}
+ ${FFTW3_LIBRARIES}
+ ${ZLIB_LIBRARIES}
++ ${EXTRA_LIBRARIES}
+ )
+
+ if (CURL_FOUND)

media-gfx/gmic/gmic-2.7.1.ebuild

@@ -87,7 +87,7 @@ src_prepare() {
  if use gimp || use krita || use qt5; then
  sed -i '/CMAKE_CXX_FLAGS_RELEASE/d' gmic-qt/CMakeLists.txt || die
  local S="${S}/gmic-qt"
- PATCHES=( "${FILESDIR}"/${PN}-2.6.7-qt-cmake.patch )
+ PATCHES=( "${FILESDIR}"/${PN}-2.7.1-qt-cmake.patch )
  cmake-utils_src_prepare
  fi
 }