[gimp/wip/Jehan/more-CI-updates] build: more dependencies for the Windows builds.

[Jehan <jehanp src gnome org>]

commit 3f0e7768f1bed8f0d741d82eb64bd937c2e97087
Author: Jehan <jehan girinstud io>
Date:   Fri Apr 17 20:17:26 2020 +0200

    build: more dependencies for the Windows builds.

 build/windows/crossbuild-gitlab-ci/build-deps.sh | 27 ++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)
---
diff --git a/build/windows/crossbuild-gitlab-ci/build-deps.sh 
b/build/windows/crossbuild-gitlab-ci/build-deps.sh
index 88da893897..0394e54b4e 100644
--- a/build/windows/crossbuild-gitlab-ci/build-deps.sh
+++ b/build/windows/crossbuild-gitlab-ci/build-deps.sh
@@ -19,7 +19,26 @@ cd ..
 
 # preparing GIMP
 
-crossroad install gexiv2 appstream-glib json-c \
-                  libmypaint mypaint-brushes   \
-                  poppler-data poppler glib2   \
-                  libwmf drmingw
+LIBMNG=
+if [ "x$CROSSROAD_PLATFORM" = "xw64" ]; then
+  # For some reason, file-mng plug-in fails to link in its i686 build.
+  # Just disable it for now on i686 only.
+  LIBMNG="libmng"
+fi
+
+crossroad install appstream-glib              \
+                  atk                         \
+                  drmingw                     \
+                  gexiv2                      \
+                  glib2                       \
+                  json-c                      \
+                  ghostscript                 \
+                  iso-codes                   \
+                  libheif                     \
+                  $LIBMNG                     \
+                  libmypaint mypaint-brushes  \
+                  libwebp                     \
+                  libwmf                      \
+                  openexr                     \
+                  poppler poppler-data        \
+                  xpm-nox