diff --git a/graphics/cimg/Makefile b/graphics/cimg/Makefile
index 21693573f6a1..3bfc74934ea4 100644
--- a/graphics/cimg/Makefile
+++ b/graphics/cimg/Makefile
@@ -1,123 +1,124 @@
 PORTNAME=	cimg
 DISTVERSIONPREFIX=	v.
-DISTVERSION=	3.7.5
+DISTVERSION=	3.7.6
 PORTEPOCH=	3
 CATEGORIES=	graphics devel
 
 MAINTAINER=	thierry@FreeBSD.org
 COMMENT=	C++ Template Image Processing Library
 WWW=		https://cimg.eu/
 
 LICENSE=	CeCILL_C CeCILL
 LICENSE_COMB=	dual
 LICENSE_NAME_CeCILL_C=	CeCILL-C
 LICENSE_NAME_CeCILL=	CeCILL
 LICENSE_FILE_CeCILL_C=	${WRKSRC}/Licence_CeCILL-C_V1-en.txt
 LICENSE_FILE_CeCILL=	${WRKSRC}/Licence_CeCILL_V2-en.txt
 LICENSE_PERMS_CeCILL_C=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 LICENSE_PERMS_CeCILL=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	GreycLab
 GH_PROJECT=	CImg
 
 BUILD_WRKSRC=	${WRKSRC}/examples
 
 OPTIONS_DEFINE=	DOCS EXAMPLES
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MDOCS} || ${PORT_OPTIONS:MEXAMPLES}
 USES+=		compiler:c11 gmake pkgconfig:build xorg
 .endif
 
 .if ${PORT_OPTIONS:MDOCS}
 
 REINPLACE_ARGS=	-i ""
 
 . if !defined(WITH_DEBUG)
 LIB_DEPENDS+=	libcurl.so:ftp/curl			\
 		libpng.so:graphics/png			\
 		libtiff.so:graphics/tiff		\
 		libImath.so:math/Imath			\
 		libheif.so:graphics/libheif		\
 		libOpenEXR.so:graphics/openexr		\
 		libfftw3.so:math/fftw3			\
 		libwebp.so:graphics/webp		\
 		libopencv_core.so:graphics/opencv	\
 		libGraphicsMagick.so:graphics/GraphicsMagick
 RUN_DEPENDS+=	dcraw:graphics/dcraw
 USES+=		jpeg magick:7
 ALL_TARGET=	Mlinux
 . else
 ALL_TARGET=	dlinux
 WITHOUT_MEDCON=	yes
 WITHOUT_FFMPEG=	yes
 . endif
 
 . if !defined(WITHOUT_MEDCON)
 RUN_DEPENDS+=	medcon:graphics/xmedcon
 . endif
 . if !defined(WITHOUT_FFMPEG)
 LIB_DEPENDS+=	libavformat.so:multimedia/ffmpeg
 . endif
 
 USE_XORG+=	x11 xrandr
 . if defined(WITH_XSHM)
 USE_XORG+=	xext
 . endif
 
 DOCBASE=	README.txt
 CFLAGS+=	-I${LOCALBASE}/include/Imath -I${LOCALBASE}/include/OpenEXR
 MAKE_ARGS+=	CPPFLAGS="${CFLAGS}" FREEBSD_LDFLAGS="${LDFLAGS}"
 . if !exists(/usr/include/omp.h)
 MAKE_ARGS+=	OPENMP_CFLAGS=
 . endif
 PROGS=		CImg_demo captcha curve_editor2d dtmri_view3d			\
 	edge_explorer2d fade_images gaussian_fit1d generate_loop_macros		\
 	hough_transform2d image2ascii image_registration2d image_surface3d	\
 	jawbreaker mcf_levelsets2d mcf_levelsets3d odykill			\
 	pde_TschumperleDeriche2d pde_heatflow2d plotter1d radon_transform2d	\
 	scene3d spherical_function3d tetris tron tutorial use_RGBclass		\
 	use_chlpca use_draw_gradient use_jpeg_buffer use_nlmeans use_skeleton	\
 	wavelet_atrous
 .else
 NO_BUILD=	yes
 .endif
 
 .include <bsd.port.pre.mk>
 
-pre-configure-DOCS-on:
+pre-configure:
 	${REINPLACE_CMD} -e 's|make|${MAKE_CMD}|' ${BUILD_WRKSRC}/Makefile
 
 pre-configure-DOCS-off:
-	${REINPLACE_CMD} -e 's|^OPTFLAGS|#OPTFLAGS|' ${BUILD_WRKSRC}/Makefile
+	${REINPLACE_CMD} -e 's|^OPTFLAGS|#OPTFLAGS|;s|/usr/X11R6|${LOCALBASE}|	\'
+		${BUILD_WRKSRC}/Makefile
 
 pre-configure:
 . if !defined(WITHOUT_FFMPEG)
 	${REINPLACE_CMD} -e 's|#FFMPEG_CFLAGS|FFMPEG_CFLAGS|'	\
 		-e 's|#FFMPEG_DEFINE|FFMPEG_DEFINE|'		\
 		-e 's|#FFMPEG_LIBS|FFMPEG_LIBS|'		\
 		${BUILD_WRKSRC}/Makefile
 . endif
 . if defined(WITH_XSHM)
 	${REINPLACE_CMD} -e 's|XSHM_CFLAGS = #|XSHM_CFLAGS =|'	\
 		-e 's|XSHM_LDFLAGS = #|XSHM_LDFLAGS =|'		\
 		${BUILD_WRKSRC}/Makefile
 . endif
 
 do-install:
 	${INSTALL_DATA} ${WRKSRC}/CImg.h ${STAGEDIR}${PREFIX}/include
 
 do-install-DOCS-on:
 	${INSTALL_PROGRAM} ${PROGS:C|^|${BUILD_WRKSRC}/|} ${STAGEDIR}${PREFIX}/bin
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${DOCBASE:S|^|${WRKSRC}/|} ${STAGEDIR}${DOCSDIR}
 
 do-install-EXAMPLES-on:
 	${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	${CP} -R ${WRKSRC}/examples/* ${STAGEDIR}${EXAMPLESDIR}
 	@(cd ${STAGEDIR}${EXAMPLESDIR} && ${MAKE_CMD} clean)
 	@${RM} ${STAGEDIR}${EXAMPLESDIR}/*.orig
 
 .include <bsd.port.post.mk>
diff --git a/graphics/cimg/distinfo b/graphics/cimg/distinfo
index 9e88096e8592..c0beccfe4e25 100644
--- a/graphics/cimg/distinfo
+++ b/graphics/cimg/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1777673567
-SHA256 (GreycLab-CImg-v.3.7.5_GH0.tar.gz) = 18ad7f70dfbfd3a1ce968dec0c29eeafcaecc9570e5e59565055c2d40fddeb98
-SIZE (GreycLab-CImg-v.3.7.5_GH0.tar.gz) = 12698702
+TIMESTAMP = 1779113392
+SHA256 (GreycLab-CImg-v.3.7.6_GH0.tar.gz) = b655a0135ef937164896a0f66bbfb7e2b688b36f2529bd49c4deb9ee2c352757
+SIZE (GreycLab-CImg-v.3.7.6_GH0.tar.gz) = 12699286
diff --git a/graphics/cimg/files/patch-examples__Makefile b/graphics/cimg/files/patch-examples__Makefile
index a02bd41c1868..444d7de48cd2 100644
--- a/graphics/cimg/files/patch-examples__Makefile
+++ b/graphics/cimg/files/patch-examples__Makefile
@@ -1,117 +1,50 @@
---- examples/Makefile.orig	2025-11-21 07:26:29 UTC
+--- examples/Makefile.orig	2026-05-13 07:41:53 UTC
 +++ examples/Makefile
-@@ -78,7 +78,7 @@ FILES = CImg_demo \
- 	use_RGBclass \
+@@ -78,8 +78,7 @@ FILES = CImg_demo \
+ 	use_RGBclass
  
  # Files which requires external libraries to run.
--EXTRA_FILES = test_template_types use_tiff_stream use_jpeg_buffer
-+EXTRA_FILES = use_tiff_stream use_jpeg_buffer
+-EXTRA_FILES = test_template_types \
+-              use_tiff_stream \
++EXTRA_FILES = use_tiff_stream \
+               use_jpeg_buffer
  
  #---------------------------------
- # Set correct variables and paths
-@@ -89,7 +89,7 @@ SVERSION = $(VERSION1).$(VERSION2).$(VERSION3)
- VERSION3 = $(shell grep 'cimg_version\ ' ../CImg.h | tail -c2 | head -c1)
- SVERSION = $(VERSION1).$(VERSION2).$(VERSION3)
- 
--X11PATH = /usr/X11R6
-+X11PATH = $(LOCALBASE)
- 
- EXE_PRE =
- EXE_EXT =
-@@ -111,7 +111,7 @@ CXXVER = $(CXX)
+@@ -109,7 +108,7 @@ CXXVER := $(CXX)
  endif
  
- CXXVER = $(CXX)
+ CXXVER := $(CXX)
 -CFLAGS = -I.. -Wall -Wextra -Wfatal-errors -Werror=unknown-pragmas -Werror=unused-label
 +CFLAGS = -I.. -Wall -Wextra $(CPPFLAGS)
  LIBS = -lm
- ifdef IS_GCC
- CXXVER = $(shell $(CXX) -v 2>&1 | tail -n 1)
-@@ -152,7 +152,7 @@ VT100_CFLAGS = -Dcimg_use_vt100
- VT100_CFLAGS = -Dcimg_use_vt100
+ ifdef IS_CLANG
+ CXXVER := $(shell $(CXX) -v 2>&1 | head -n 1)
+@@ -153,7 +152,7 @@ endif
+ endif
  
  # Flags to enable code optimization by the compiler.
--OPT_CFLAGS = -Ofast
-+OPT_CFLAGS = # -Ofast - handled by the port CFLAGS
+-OPT_CFLAGS = -O3
++OPT_CFLAGS = # -O3 - handled by the port CFLAGS
  ifdef IS_GCC
- # Add -mtune=generic for GCC if supported.
- NO_MTUNE_GENERIC = $(shell $(CXX) -mtune=generic -E - < /dev/null > /dev/null 2>&1; echo $$?)
-@@ -177,9 +177,9 @@ OPENCV_DEFINE = -Dcimg_use_opencv
- 
- # Flags to enable OpenCV support.
- OPENCV_DEFINE = -Dcimg_use_opencv
--OPENCV_INCDIR = $(shell pkg-config opencv --cflags || echo -I/usr/include/opencv) -I/usr/include/opencv -I/usr/include/opencv4
-+OPENCV_INCDIR = $(shell pkg-config opencv4 --cflags || echo -I/usr/include/opencv) -I/usr/include/opencv -I/usr/include/opencv4
- OPENCV_CFLAGS = $(OPENCV_DEFINE) $(OPENCV_INCDIR)
--OPENCV_LIBS = $(shell pkg-config opencv --libs || echo -lopencv_core -lopencv_highgui -lopencv_videoio)
-+OPENCV_LIBS = $(shell pkg-config opencv4 --libs || echo -lopencv_core -lopencv_highgui -lopencv_videoio)
- 
- # Flags used to disable display capablities of CImg
- NODISPLAY_CFLAGS = -Dcimg_display=0
-@@ -242,7 +242,7 @@ TIFF_CFLAGS = $(TIFF_DEFINE) $(TIFF_INCDIR)
+ ifeq ($(EXE_EXT),)
+   NO_MTUNE_GENERIC := $(shell echo | $(CXX) -mtune=generic -E - > /dev/null 2>&1; echo $$?)
+@@ -244,7 +243,7 @@ TIFF_CFLAGS = $(TIFF_DEFINE) $(TIFF_INCDIR)
  TIFF_DEFINE = -Dcimg_use_tiff
- TIFF_INCDIR =
+ TIFF_INCDIR := $(shell pkg-config --cflags libtiff-4 2>/dev/null)
  TIFF_CFLAGS = $(TIFF_DEFINE) $(TIFF_INCDIR)
--TIFF_LIBS = -ltiff
-+TIFF_LIBS = -ltiff  -ltiffxx
+-TIFF_LIBS := $(shell pkg-config --libs libtiff-4 2>/dev/null || echo -ltiff)
++TIFF_LIBS := $(shell pkg-config --libs libtiff-4 2>/dev/null || echo -ltiff) -ltiffxx
  
  # Flags to enable native support for loading HEIF image files, using the libheif library.
  # ( https://github.com/strukturag/libheif )
-@@ -261,16 +261,16 @@ OPENEXR_DEFINE = -Dcimg_use_openexr
- # Flags to enable native support for EXR image files, using the OpenEXR library.
- # ( http://www.openexr.com/ )
- OPENEXR_DEFINE = -Dcimg_use_openexr
--OPENEXR_INCDIR = -I/usr/include/OpenEXR
-+OPENEXR_INCDIR = -I$(LOCALBASE)/include/OpenEXR
- OPENEXR_CFLAGS = $(OPENEXR_DEFINE) $(OPENEXR_INCDIR)
--OPENEXR_LIBS = -lIlmImf -lHalf
-+OPENEXR_LIBS = -lOpenEXR -lImath
- 
- # Flags to enable native support for various video files, using the FFMPEG library.
- # ( http://www.ffmpeg.org/ )
--FFMPEG_DEFINE = -Dcimg_use_ffmpeg -D__STDC_CONSTANT_MACROS
--FFMPEG_INCDIR = -I/usr/include/libavcodec -I/usr/include/libavformat -I/usr/include/libswscale -I/usr/include/ffmpeg
--FFMPEG_CFLAGS = $(FFMPEG_DEFINE) $(FFMPEG_INCDIR)
--FFMPEG_LIBS = -lavcodec -lavformat -lswscale
-+#FFMPEG_DEFINE = -Dcimg_use_ffmpeg -D__STDC_CONSTANT_MACROS
-+FFMPEG_INCDIR = -I$(LOCALBASE)/include/libavcodec -I$(LOCALBASE)/include/libavformat -I$(LOCALBASE)/include/libswscale -I$(LOCALBASE)/include/ffmpeg
-+#FFMPEG_CFLAGS = $(FFMPEG_DEFINE) $(FFMPEG_INCDIR)
-+#FFMPEG_LIBS = -lavcodec -lavformat -lswscale
- 
- # Flags to enable native support for compressed .cimgz files, using the Zlib library.
- # ( http://www.zlib.net/ )
-@@ -377,6 +377,7 @@ $(XSHM_LIBS)" \
- $(TIFF_LIBS) \
- $(HEIF_LIBS) \
- $(XSHM_LIBS)" \
-+$(PTHREAD_LIBS)" \
- all $(EXTRA_FILES)
- 
- # Linux/BSD/Mac OSX targets, with X11 display.
-@@ -455,6 +456,7 @@ $(OPT_CFLAGS) \
- 	@$(MAKE) \
- "CONF_CFLAGS = \
- $(OPT_CFLAGS) \
-+$(OPENMP_CFLAGS) \
- $(VT100_CFLAGS) \
- $(X11_CFLAGS) \
- $(XSHM_CFLAGS) \
-@@ -468,8 +470,10 @@ $(MAGICK_CFLAGS) \
- $(CURL_CFLAGS) \
- $(OPENCV_CFLAGS) \
- $(MAGICK_CFLAGS) \
-+$(WEBP_CFLAGS) \
- $(FFTW3_CFLAGS)" \
- "CONF_LIBS = \
-+$(FREEBSD_LDFLAGS) \
- $(X11_LIBS) \
- $(XSHM_LIBS) \
- $(XRANDR_LIBS) \
-@@ -482,6 +486,7 @@ $(MAGICK_LIBS) \
- $(CURL_LIBS) \
- $(OPENCV_LIBS) \
- $(MAGICK_LIBS) \
-+$(WEBP_LIBS) \
- $(FFTW3_LIBS)" \
+@@ -405,8 +404,8 @@ Mlinux:
+ 
+ Mlinux:
+ 	@$(MAKE) --no-print-directory $(MAKEFLAGS) \
+-"CONF_CFLAGS = $(OPT_CFLAGS) $(VT100_CFLAGS) $(X11_CFLAGS) $(XSHM_CFLAGS) $(XRANDR_CFLAGS) $(TIFF_CFLAGS) $(HEIF_CFLAGS) $(OPENEXR_CFLAGS) $(PNG_CFLAGS) $(JPEG_CFLAGS) $(ZLIB_CFLAGS) $(CURL_CFLAGS) $(OPENCV_CFLAGS) $(MAGICK_CFLAGS) $(FFTW3_CFLAGS)" \
+-"CONF_LIBS = $(X11_LIBS) $(XSHM_LIBS) $(XRANDR_LIBS) $(TIFF_LIBS) $(HEIF_LIBS) $(OPENEXR_LIBS) $(PNG_LIBS) $(JPEG_LIBS) $(ZLIB_LIBS) $(CURL_LIBS) $(OPENCV_LIBS) $(MAGICK_LIBS) $(FFTW3_LIBS)" \
++"CONF_CFLAGS = $(OPT_CFLAGS) $(OPENMP_CFLAGS) $(VT100_CFLAGS) $(X11_CFLAGS) $(XSHM_CFLAGS) $(XRANDR_CFLAGS) $(TIFF_CFLAGS) $(HEIF_CFLAGS) $(OPENEXR_CFLAGS) $(PNG_CFLAGS) $(JPEG_CFLAGS) $(ZLIB_CFLAGS) $(CURL_CFLAGS) $(OPENCV_CFLAGS) $(MAGICK_CFLAGS) $(WEBP_CFLAGS) $(FFTW3_CFLAGS)" \
++"CONF_LIBS = $(FREEBSD_LDFLAGS) $(X11_LIBS) $(XSHM_LIBS) $(XRANDR_LIBS) $(TIFF_LIBS) $(HEIF_LIBS) $(OPENEXR_LIBS) $(PNG_LIBS) $(JPEG_LIBS) $(ZLIB_LIBS) $(CURL_LIBS) $(OPENCV_LIBS) $(MAGICK_LIBS) $(WEBP_LIBS) $(FFTW3_LIBS) $(PTHREAD_LIBS)" \
  "STRIP_EXE=true" \
  all $(EXTRA_FILES)
+