--- Makefile.orig	2026-09-30 11:06:25 UTC
+++ Makefile
@@ -1,6 +1,7 @@
 #  fotocx Makefile
 #
 #  Following commands choose compiler and debug options
+ifdef WANT_EXTRA_CXXFLAGS
 #  export CXX=g++          gnu compiler
 #  export CXX=clang++      clang compiler
 #  export DEBUG=x          debug build with address checking
@@ -27,10 +28,11 @@ else
                   -Wno-format-truncation -Wno-stringop-truncation
    endif
 endif
+endif
 
 PKG_CONFIG ?= pkg-config
 
-CFLAGS = $(CXXFLAGS) $(CPPFLAGS) -c `$(PKG_CONFIG) --cflags gtk+-3.0 webkit2gtk-4.1`
+CFLAGS = $(CXXFLAGS) $(CPPFLAGS) -c $(shell $(PKG_CONFIG) --cflags gtk+-3.0)
 
 ifdef DEBUG
    CFLAGS += -DDEBUG
@@ -39,14 +41,19 @@ endif
 JXL_CFLAGS := $(shell pkg-config --cflags libjxl) 
 JXL_LDFLAGS := $(shell pkg-config --libs libjxl libjxl_threads libhwy            \
                                      libbrotlicommon libbrotlidec)
-NETMAP_LDFLAGS := $(shell pkg-config --libs webkit2gtk-4.1)
 
-LIBS = `$(PKG_CONFIG) --libs gtk+-3.0` -lrt -lpthread -ltiff -lpng -ljpeg
+LIBS = $(shell $(PKG_CONFIG) --libs gtk+-3.0) -lpthread -ltiff -lpng -ljpeg -lexecinfo
 
 ALLFILES = fotocx.o f.widgets.o f.file.o f.gallery.o f.albums.o f.select.o       \
            f.meta.o f.edit.o f.repair.o f.refine.o f.effects.o f.warp.o          \
            f.combine.o f.mashup.o f.tools.o f.batch.o f.pixmap.o f.develop.o     \
-           f.netmap.o zfuncs.o
+           zfuncs.o
+
+ifdef NETMAP_SUPPORT
+CFLAGS += $(shell $(PKG_CONFIG) --cflags webkit2gtk-4.1) -DNETMAP_SUPPORT
+NETMAP_LDFLAGS = $(shell $(PKG_CONFIG) --libs webkit2gtk-4.1)
+ALLFILES += f.netmap.o
+endif
 
 fotocx: $(ALLFILES)
 	$(CXX) $(ALLFILES) $(LIBS) -o fotocx $(LDFLAGS) $(JXL_CFLAGS) $(JXL_LDFLAGS) $(NETMAP_LDFLAGS)