graphics/gmic: Restore gmic executable

... that got removed from the port after the upstream refactored
the build and switched to GNU Make. Special target 'cli' should
be added for gmic executable to be built.

Reported by:	Andrea Venturoli <ml@netfence.it>

graphics/gmic/Makefile

@@ -1,5 +1,6 @@
 PORTNAME=	gmic
 DISTVERSION=	3.1.5
+PORTREVISION=	1
 CATEGORIES=	graphics
 MASTER_SITES=	https://gmic.eu/files/source/
 DISTNAME=	${PORTNAME}_${DISTVERSION}
@@ -9,7 +10,7 @@ COMMENT=	Framework for image processing
 
 LICENSE=	CeCILL
 LICENSE_NAME=	CeCILL
-LICENSE_FILE=	${WRKSRC}/COPYING
+LICENSE_FILE=	${WRKSRC}/../COPYING
 LICENSE_PERMS=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
 BROKEN_i386=	error: "c++ crashes, clang-5 and 6 fail: undefined reference to `__atomic_load'"
@@ -30,9 +31,11 @@ USE_XORG=	x11 xau xcb xdmcp
 
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION}
 
-MAKE_JOBS_UNSAFE=	yes
+WRKSRC_SUBDIR=	src # because of makefile issues, see https://github.com/dtschump/gmic/issues/405
 
-ALL_TARGET=	lib
+MAKE_JOBS_UNSAFE=	yes # see https://github.com/dtschump/gmic/issues/406
+
+ALL_TARGET=	lib cli # cli is bundled here until https://github.com/dtschump/gmic/issues/407 is fixed, afvter which is would be moved to gmic-cli
 
 PORTSCOUT=	limit:[0-9]\..* # not v.220 and similar
 

graphics/gmic/files/patch-Makefile

@@ -1,8 +0,0 @@
---- Makefile.orig	2022-05-16 23:01:27 UTC
-+++ Makefile
-@@ -76,4 +76,4 @@
- all: all
- 
- %:
--	cd src && make $*
-+	cd src && $(MAKE) $*

graphics/gmic/files/patch-src_gmic.cpp

@@ -1,5 +1,5 @@
---- src/gmic.cpp.orig	2022-06-30 12:35:34 UTC
-+++ src/gmic.cpp
+--- gmic.cpp.orig	2022-06-30 12:35:34 UTC
++++ gmic.cpp
 @@ -2314,7 +2314,7 @@ inline CImgList<void*>& gmic_runs() {
  }
  

graphics/gmic/pkg-plist

@@ -1,3 +1,4 @@
+bin/gmic
 include/gmic.h
 include/gmic_libc.h
 lib/libgmic.so