GIMP2 fails to build on 10.7

[Riccardo Mottola]

Hi,

I am updating gimp2 and it fails to build:

/opt/local/bin/clang-mp-5.0 -DHAVE_CONFIG_H -I. -I../..  -DISO_CODES_LOCATION=\"/opt/local/share/xml/iso-codes\" -DISO_CODES_LOCALEDIR=\"/opt/local/share/locale\" -DG_LOG_DOMAIN=\"Gimp-Widgets\" -I../.. -I../.. -I../../app -I../../app -D_REENTRANT -I/opt/local/include/gegl-0.4 -I/opt/local/include/json-glib-1.0 -I/opt/local/include/gio-unix-2.0/ -I/opt/local/include/glib-2.0 -I/opt/local/lib/glib-2.0/include -I/opt/local/include/babl-0.1 -D_REENTRANT -I/opt/local/include/gtk-2.0 -I/opt/local/lib/gtk-2.0/include -I/opt/local/include/pango-1.0 -I/opt/local/include/harfbuzz -I/opt/local/include/pango-1.0 -I/opt/local/include/fribidi -I/opt/local/include/cairo -I/opt/local/include/atk-1.0 -I/opt/local/include/cairo -I/opt/local/include/pixman-1 -I/opt/local/include/ossp -I/opt/local/include/freetype2 -I/opt/local/include/libpng16 -I/opt/local/include/gdk-pixbuf-2.0 -I/opt/local/include/libpng16 -I/opt/local/include/glib-2.0 -I/opt/local/lib/glib-2.0/include -I/opt/local/include -I/opt/local/include -DGIMP_DISABLE_DEPRECATED -DBABL_DISABLE_DEPRECATED -DGSEAL_ENABLE -DGDK_DISABLE_DEPRECATED -DGTK_DISABLE_DEPRECATED -DGDK_MULTIHEAD_SAFE -DGTK_MULTIHEAD_SAFE "-xobjective-c" -pipe -Os -arch x86_64 -Wall -Wdeclaration-after-statement -Wmissing-prototypes -Werror=missing-prototypes -Wstrict-prototypes -Wmissing-declarations -Winit-self -Wpointer-arith -Wold-style-definition -Wmissing-format-attribute -Wformat-security  -Wtype-limits -fno-common -fdiagnostics-show-option -Wreturn-type   -MT gimpwidgets-utils.o -MD -MP -MF .deps/gimpwidgets-utils.Tpo -c -o gimpwidgets-utils.o gimpwidgets-utils.c
gimpwidgets-utils.c:37:10: fatal error: 'CoreGraphics/CoreGraphics.h' file not found
#include <CoreGraphics/CoreGraphics.h>
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
make[3]: *** [gimpwidgets-utils.o] Error 1


isn't this strange? CoreGraphics.h exists since quite some time….
Ideas?

Riccard