darktable: version from 2.6.3 to 3.0.0

This version will fail install if a certain order isn't followed. GCC
needs isl support, so isl must first be installed before installing this
version. Once isl is installed, recompile gcc, and then compile this
update.

5 files changed, 78 insertions, 54 deletions

diff --git a/darktable/.footprint b/darktable/.footprint
index cbcc4a6..7c5bdc7 100644
--- a/darktable/.footprint
+++ b/darktable/.footprint
@@ -14,7 +14,6 @@ drwxr-xr-x	root/root	usr/lib64/darktable/plugins/
 drwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/
 drwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/format/
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/format/libcopy.so
--rwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/format/libexr.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/format/libjpeg.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/format/libpdf.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/format/libpfm.so
@@ -27,12 +26,13 @@ drwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/storage/
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/storage/libemail.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/storage/libfacebook.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/storage/libgallery.so
+-rwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/storage/libgooglephoto.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/storage/liblatex.so
--rwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/storage/libpicasa.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/storage/libpiwigo.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libashift.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libatrous.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libbasecurve.so
+-rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libbasicadj.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libbilat.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libbilateral.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libbloom.so
@@ -60,6 +60,7 @@ drwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/storage/
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libequalizer.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libexposure.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libfilmic.so
+-rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libfilmicrgb.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libfinalscale.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libflip.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libgamma.so
@@ -76,6 +77,8 @@ drwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/storage/
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libliquify.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/liblowlight.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/liblowpass.so
+-rwxr-xr-x	root/root	usr/lib64/darktable/plugins/liblut3d.so
+-rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libmask_manager.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libmonochrome.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libnlmeans.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/liboverexposed.so
@@ -85,6 +88,8 @@ drwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/storage/
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/librawprepare.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/librelight.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libretouch.so
+-rwxr-xr-x	root/root	usr/lib64/darktable/plugins/librgbcurve.so
+-rwxr-xr-x	root/root	usr/lib64/darktable/plugins/librgblevels.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/librotatepixels.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libscalepixels.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libshadhi.so
@@ -94,6 +99,7 @@ drwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/storage/
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libspots.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libtemperature.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libtonecurve.so
+-rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libtoneequal.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libtonemap.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libvelvia.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libvibrance.so
@@ -102,6 +108,7 @@ drwxr-xr-x	root/root	usr/lib64/darktable/plugins/imageio/storage/
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/libzonesystem.so
 drwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libbackgroundjobs.so
+-rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libcamera.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libcollect.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libcolorlabels.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libcolorpicker.so
@@ -117,8 +124,10 @@ drwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libhistogram.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libhistory.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libimage.so
+-rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libimage_infos.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libimport.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/liblighttable_mode.so
+-rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/liblive_view.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libmasks.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libmetadata.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libmetadata_view.so
@@ -134,6 +143,7 @@ drwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libsnapshots.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libstyles.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libtagging.so
+-rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libtimeline.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libview_toolbox.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/plugins/lighttable/libviewswitcher.so
 drwxr-xr-x	root/root	usr/lib64/darktable/views/
@@ -142,24 +152,37 @@ drwxr-xr-x	root/root	usr/lib64/darktable/views/
 -rwxr-xr-x	root/root	usr/lib64/darktable/views/liblighttable.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/views/libprint.so
 -rwxr-xr-x	root/root	usr/lib64/darktable/views/libslideshow.so
+-rwxr-xr-x	root/root	usr/lib64/darktable/views/libtethering.so
+drwxr-xr-x	root/root	usr/libexec/
+drwxr-xr-x	root/root	usr/libexec/darktable/
+drwxr-xr-x	root/root	usr/libexec/darktable/tools/
+-rwxr-xr-x	root/root	usr/libexec/darktable/tools/darktable-curve-tool
+-rwxr-xr-x	root/root	usr/libexec/darktable/tools/darktable-curve-tool-helper
+-rwxr-xr-x	root/root	usr/libexec/darktable/tools/darktable-gen-noiseprofile
+-rwxr-xr-x	root/root	usr/libexec/darktable/tools/darktable-noiseprofile
+-rw-r--r--	root/root	usr/libexec/darktable/tools/profiling-shot.xmp
+-rw-r--r--	root/root	usr/libexec/darktable/tools/subr.sh
 drwxr-xr-x	root/root	usr/share/
 drwxr-xr-x	root/root	usr/share/appdata/
 -rw-r--r--	root/root	usr/share/appdata/darktable.appdata.xml
 drwxr-xr-x	root/root	usr/share/applications/
 -rw-r--r--	root/root	usr/share/applications/darktable.desktop
 drwxr-xr-x	root/root	usr/share/darktable/
--rw-r--r--	root/root	usr/share/darktable/darktable.css
+-rw-r--r--	root/root	usr/share/darktable/darktable.bash
 -rw-r--r--	root/root	usr/share/darktable/darktablerc
 -rw-r--r--	root/root	usr/share/darktable/gdb_commands
 drwxr-xr-x	root/root	usr/share/darktable/kernels/
 -rw-r--r--	root/root	usr/share/darktable/kernels/atrous.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/basecurve.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/basic.cl
+-rw-r--r--	root/root	usr/share/darktable/kernels/basicadj.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/bilateral.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/blendop.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/bloom.cl
+-rw-r--r--	root/root	usr/share/darktable/kernels/color_conversion.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/colorreconstruction.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/colorspace.cl
+-rw-r--r--	root/root	usr/share/darktable/kernels/colorspaces.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/common.h
 -rw-r--r--	root/root	usr/share/darktable/kernels/demosaic_markesteijn.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/demosaic_other.cl
@@ -170,12 +193,18 @@ drwxr-xr-x	root/root	usr/share/darktable/kernels/
 -rw-r--r--	root/root	usr/share/darktable/kernels/extended.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/filmic.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/gaussian.cl
+-rw-r--r--	root/root	usr/share/darktable/kernels/guided_filter.cl
+-rw-r--r--	root/root	usr/share/darktable/kernels/hazeremoval.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/highpass.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/liquify.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/locallaplacian.cl
+-rw-r--r--	root/root	usr/share/darktable/kernels/lut3d.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/nlmeans.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/programs.conf
 -rw-r--r--	root/root	usr/share/darktable/kernels/retouch.cl
+-rw-r--r--	root/root	usr/share/darktable/kernels/rgb_norms.h
+-rw-r--r--	root/root	usr/share/darktable/kernels/rgbcurve.cl
+-rw-r--r--	root/root	usr/share/darktable/kernels/rgblevels.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/sharpen.cl
 -rw-r--r--	root/root	usr/share/darktable/kernels/soften.cl
 drwxr-xr-x	root/root	usr/share/darktable/latex/
@@ -233,6 +262,7 @@ drwxr-xr-x	root/root	usr/share/darktable/pixmaps/plugins/darkroom/
 -rw-r--r--	root/root	usr/share/darktable/pixmaps/plugins/darkroom/colortransfer.svg
 -rw-r--r--	root/root	usr/share/darktable/pixmaps/plugins/darkroom/colorzones.png
 -rw-r--r--	root/root	usr/share/darktable/pixmaps/plugins/darkroom/colorzones.svg
+-rw-r--r--	root/root	usr/share/darktable/pixmaps/plugins/darkroom/default.svg
 -rw-r--r--	root/root	usr/share/darktable/pixmaps/plugins/darkroom/demosaic.png
 -rw-r--r--	root/root	usr/share/darktable/pixmaps/plugins/darkroom/demosaic.svg
 -rw-r--r--	root/root	usr/share/darktable/pixmaps/plugins/darkroom/dither.png
@@ -336,6 +366,23 @@ drwxr-xr-x	root/root	usr/share/darktable/style/
 -rw-r--r--	root/root	usr/share/darktable/style/prevlabel.gif
 -rw-r--r--	root/root	usr/share/darktable/style/style.css
 -rw-r--r--	root/root	usr/share/darktable/style/thumb-1.jpg
+drwxr-xr-x	root/root	usr/share/darktable/themes/
+-rw-r--r--	root/root	usr/share/darktable/themes/darktable-elegant-dark.css
+-rw-r--r--	root/root	usr/share/darktable/themes/darktable-elegant-darker.css
+-rw-r--r--	root/root	usr/share/darktable/themes/darktable-elegant-grey.css
+-rw-r--r--	root/root	usr/share/darktable/themes/darktable-icons-dark.css
+-rw-r--r--	root/root	usr/share/darktable/themes/darktable-icons-darker.css
+-rw-r--r--	root/root	usr/share/darktable/themes/darktable-icons-grey.css
+-rw-r--r--	root/root	usr/share/darktable/themes/darktable-icons.css
+-rw-r--r--	root/root	usr/share/darktable/themes/darktable.css
+drwxr-xr-x	root/root	usr/share/darktable/tools/
+drwxr-xr-x	root/root	usr/share/darktable/tools/basecurve/
+-rw-r--r--	root/root	usr/share/darktable/tools/basecurve/plot.basecurve
+-rw-r--r--	root/root	usr/share/darktable/tools/basecurve/plot.tonecurve
+-rwxr-xr-x	root/root	usr/share/darktable/tools/common.sh
+-rwxr-xr-x	root/root	usr/share/darktable/tools/purge_from_cache.sh
+-rwxr-xr-x	root/root	usr/share/darktable/tools/purge_non_existing_images.sh
+-rwxr-xr-x	root/root	usr/share/darktable/tools/purge_unused_tags.sh
 drwxr-xr-x	root/root	usr/share/darktable/watermarks/
 -rw-r--r--	root/root	usr/share/darktable/watermarks/darktable.svg
 -rw-r--r--	root/root	usr/share/darktable/watermarks/hasselblad.svg
@@ -370,49 +417,6 @@ drwxr-xr-x	root/root	usr/share/icons/hicolor/scalable/apps/
 -rw-r--r--	root/root	usr/share/icons/hicolor/scalable/apps/darktable-2.svg
 -rw-r--r--	root/root	usr/share/icons/hicolor/scalable/apps/darktable-3.svg
 -rw-r--r--	root/root	usr/share/icons/hicolor/scalable/apps/darktable.svg
-drwxr-xr-x	root/root	usr/share/locale/
-drwxr-xr-x	root/root	usr/share/locale/ca/
-drwxr-xr-x	root/root	usr/share/locale/ca/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/ca/LC_MESSAGES/darktable.mo
-drwxr-xr-x	root/root	usr/share/locale/cs/
-drwxr-xr-x	root/root	usr/share/locale/cs/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/cs/LC_MESSAGES/darktable.mo
-drwxr-xr-x	root/root	usr/share/locale/de/
-drwxr-xr-x	root/root	usr/share/locale/de/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/de/LC_MESSAGES/darktable.mo
-drwxr-xr-x	root/root	usr/share/locale/es/
-drwxr-xr-x	root/root	usr/share/locale/es/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/es/LC_MESSAGES/darktable.mo
-drwxr-xr-x	root/root	usr/share/locale/fi/
-drwxr-xr-x	root/root	usr/share/locale/fi/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/fi/LC_MESSAGES/darktable.mo
-drwxr-xr-x	root/root	usr/share/locale/fr/
-drwxr-xr-x	root/root	usr/share/locale/fr/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/fr/LC_MESSAGES/darktable.mo
-drwxr-xr-x	root/root	usr/share/locale/hu/
-drwxr-xr-x	root/root	usr/share/locale/hu/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/hu/LC_MESSAGES/darktable.mo
-drwxr-xr-x	root/root	usr/share/locale/ja/
-drwxr-xr-x	root/root	usr/share/locale/ja/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/ja/LC_MESSAGES/darktable.mo
-drwxr-xr-x	root/root	usr/share/locale/nb/
-drwxr-xr-x	root/root	usr/share/locale/nb/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/nb/LC_MESSAGES/darktable.mo
-drwxr-xr-x	root/root	usr/share/locale/nl/
-drwxr-xr-x	root/root	usr/share/locale/nl/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/nl/LC_MESSAGES/darktable.mo
-drwxr-xr-x	root/root	usr/share/locale/pl/
-drwxr-xr-x	root/root	usr/share/locale/pl/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/pl/LC_MESSAGES/darktable.mo
-drwxr-xr-x	root/root	usr/share/locale/pt_BR/
-drwxr-xr-x	root/root	usr/share/locale/pt_BR/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/pt_BR/LC_MESSAGES/darktable.mo
-drwxr-xr-x	root/root	usr/share/locale/ru/
-drwxr-xr-x	root/root	usr/share/locale/ru/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/ru/LC_MESSAGES/darktable.mo
-drwxr-xr-x	root/root	usr/share/locale/sl/
-drwxr-xr-x	root/root	usr/share/locale/sl/LC_MESSAGES/
--rw-r--r--	root/root	usr/share/locale/sl/LC_MESSAGES/darktable.mo
 drwxr-xr-x	root/root	usr/share/man/
 drwxr-xr-x	root/root	usr/share/man/man1/
 -rw-r--r--	root/root	usr/share/man/man1/darktable-cli.1.gz
diff --git a/darktable/.md5sum b/darktable/.md5sum
index 4f20cf5..3f465f6 100644
--- a/darktable/.md5sum
+++ b/darktable/.md5sum
@@ -1 +1 @@
-b15bf275cad55155d115ef97661e6a9e  darktable-2.6.3.tar.xz
+ca69b409d76e0ec7afcbdb2aea131d09  darktable-3.0.0.tar.xz
diff --git a/darktable/.signature b/darktable/.signature
index 3b6219c..e573dec 100644
--- a/darktable/.signature
+++ b/darktable/.signature
@@ -1,5 +1,5 @@
 untrusted comment: verify with /etc/ports/nullspoon.pub
-RWThnm0RuVZhZkEUdMJzeEJuijxEKMNCm9COBzaCyTu+V5EadZ8m5fhIKVuAYQzTJhCFwGgKr+KOFZac+6JlFgDkEF4KJV3bMAo=
-SHA256 (Pkgfile) = 3fb955436de591a6752e59235194a261b664abead50f56596130daa235fb06bc
-SHA256 (.footprint) = 81e167bc8d53c3e978a59a153caabe530cebb6111f885b11b55928a71fea4fb0
-SHA256 (darktable-2.6.3.tar.xz) = a518999c8458472edfc04577026ce5047d74553052af0f52d10ba8ce601b78f0
+RWThnm0RuVZhZjA1FYSO8h7I1DnPNBUUNCqKvFxu2Y7soVImA98rIeYjPyGvenDzFrctQBCZUK1ZDTDT28Edbyzy0tOqflLIzw0=
+SHA256 (Pkgfile) = e7fce6c7e563bf1fb7522252646f0b5afdf32163b904cf922012dd1955969a21
+SHA256 (.footprint) = 653a4b76d483f77c0a2f0e36a55661cf41e9b9dce1dde9633e3c728ca8757122
+SHA256 (darktable-3.0.0.tar.xz) = 7195a5ff7ee95ab7c5a57e4e84f8c90cc4728b2c917359203c21293ab754c0db
diff --git a/darktable/Pkgfile b/darktable/Pkgfile
index f3d0f34..f68a7cf 100644
--- a/darktable/Pkgfile
+++ b/darktable/Pkgfile
@@ -1,16 +1,30 @@
 # Description: Open source photography workflow application
 # URL:         https://www.darktable.org/
 # Maintainer:  Aaron Ball, nullspoon at oper dot io
-# Depends on:  cmake libsecret openexr pugixml libxml2 libxslt json-c libjpeg-turbo libpng libtiff librsvg rawspeed lensfun
+# Depends on:  libgphoto2 cmake isl openexr libxslt json-c libpng libtiff librsvg rawspeed lensfun
 name=darktable
-version=2.6.3
+version=3.0.0
 release=1
 source=(https://github.com/darktable-org/${name}/releases/download/release-${version}/${name}-${version}.tar.xz)
 
 build() {
   cd ${name}-${version}
   mkdir build && cd build
-  cmake -DCMAKE_INSTALL_PREFIX=/usr ..
+  cmake \
+    -DCMAKE_INSTALL_PREFIX=/usr \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DUSE_COLORD=false \
+    -DUSE_LIBSECRET=false \
+    -DUSE_KWALLET=false \
+    -DUSE_FLICKR=false \
+    -DUSE_OPENEXR=false \
+    -DUSE_NLS=false \
+    -DBUILD_USERMANUAL=false \
+    -DUSE_LENSFUN=true \
+    -DBUILD_CURVE_TOOLS=ON \
+    -DBUILD_NOISE_TOOLS=ON \
+    -DRAWSPEED_ENABLE_LTO=ON \
+    ..
   make
   make DESTDIR=${PKG} install
 
diff --git a/darktable/README.md b/darktable/README.md
new file mode 100644
index 0000000..8955f87
--- /dev/null
+++ b/darktable/README.md
@@ -0,0 +1,6 @@
+NOTE: Compiling darktable version 3.0.0 requires isl support in gcc. Since this
+repo is unofficial and isl isn't available in core, to get this support:
+
+* install the isl package from this repo
+* rebuild gcc to add isl support
+* build darktable