Bah! Didn't work if you ran configure with a relative (rather than absolute)

path.

os/imagezip/GNUmakefile.in

@@ -21,7 +21,7 @@ WITH_FAT	= @WINSUPPORT@
 
 include $(OBJDIR)/Makeconf
 
-SUBDIRCFLAGS	= -Wall -O2 -g -I$(SRCDIR)
+SUBDIRCFLAGS	= -Wall -O2 -g
 ifdef LINUX
 SUBDIRCFLAGS	+= -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -D_THREAD_SAFE -pthread
 else
@@ -36,7 +36,7 @@ endif
 # Necessary sometimes.
 #PTHREADCFLAGS	+= -DCONDVARS_WORK
 
-CFLAGS		= $(SUBDIRCFLAGS) -static
+CFLAGS		= $(SUBDIRCFLAGS) -I$(SRCDIR) -static
 LIBS 		= -lz $(PTHREADLIBS)
 UNZIPCFLAGS	= $(CFLAGS) $(PTHREADCFLAGS) -Wall
 UNZIPLIBS	= $(LIBS) $(PTHREADLIBS)

os/imagezip/extfs/GNUmakefile.in

@@ -12,7 +12,7 @@ MAINDIR		= $(SRCDIR)/..
 
 include $(OBJDIR)/Makeconf
 
-CFLAGS		+= $(SUBDIRCFLAGS) -I$(SRCDIR)
+CFLAGS		+= $(SUBDIRCFLAGS) -I$(MAINDIR) -I$(SRCDIR)
 
 all:	libextfs.a
 

os/imagezip/fat/GNUmakefile.in

@@ -12,7 +12,7 @@ MAINDIR		= $(SRCDIR)/..
 
 include $(OBJDIR)/Makeconf
 
-CFLAGS		+= $(SUBDIRCFLAGS) -I$(SRCDIR)
+CFLAGS		+= $(SUBDIRCFLAGS) -I$(MAINDIR) -I$(SRCDIR)
 
 all:	libfat.a
 

os/imagezip/ffs/GNUmakefile.in

@@ -12,7 +12,7 @@ MAINDIR		= $(SRCDIR)/..
 
 include $(OBJDIR)/Makeconf
 
-CFLAGS		+= $(SUBDIRCFLAGS)
+CFLAGS		+= $(SUBDIRCFLAGS) -I$(MAINDIR) -I$(SRCDIR)
 
 all:	libffs.a
 

os/imagezip/ntfs/GNUmakefile.in

@@ -20,7 +20,7 @@ endif
 ifndef HAVE_GCC3
 CC		= gcc30
 endif
-CFLAGS		+= $(SUBDIRCFLAGS) -Ilibntfs/ntfsprogs/include
+CFLAGS		+= $(SUBDIRCFLAGS) -I$(MAINDIR) -Ilibntfs/ntfsprogs/include
 ifndef LINUX
 CFLAGS		+= -I$(SRCDIR)/extra_bsd_includes \
 		   -I$(SRCDIR)/liblocale/include