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path: root/target/squashfs/squashfs-4.0-build-system-fix.patch
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Fix the build system so that CFLAGS can be overriden on the command
line to pass additionnal -I options.

Patch borrowed from OpenEmbedded.

Index: squashfs-4.0/squashfs-tools/Makefile
===================================================================
--- squashfs-4.0.orig/squashfs-tools.orig/Makefile	2009-04-19 01:47:43.000000000 +0200
+++ squashfs-4.0/squashfs-tools/Makefile	2009-04-19 01:52:36.000000000 +0200
@@ -1,36 +1,48 @@
 INSTALL_DIR = /usr/local/bin
 
 INCLUDEDIR = .
+CFLAGS_R = -I$(INCLUDEDIR) -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE
+LIBS = -lz -lpthread
 
 CFLAGS := -I$(INCLUDEDIR) -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -O2
 
 all: mksquashfs unsquashfs
 
 mksquashfs: mksquashfs.o read_fs.o sort.o swap.o pseudo.o
-	$(CC) mksquashfs.o read_fs.o sort.o swap.o pseudo.o -lz -lpthread -lm -o $@
+	$(CC) $(LDFLAGS) mksquashfs.o read_fs.o sort.o swap.o pseudo.o -lz -lpthread -lm -o $@
 
 mksquashfs.o: mksquashfs.c squashfs_fs.h mksquashfs.h global.h sort.h squashfs_swap.h Makefile
+	$(CC) $(CFLAGS_R) $(CFLAGS) -c -o $@ $<
 
 read_fs.o: read_fs.c squashfs_fs.h read_fs.h global.h squashfs_swap.h Makefile
+	$(CC) $(CFLAGS_R) $(CFLAGS) -c -o $@ $<
 
 sort.o: sort.c squashfs_fs.h global.h sort.h Makefile
+	$(CC) $(CFLAGS_R) $(CFLAGS) -c -o $@ $<
 
 swap.o: swap.c Makefile
+	$(CC) $(CFLAGS_R) $(CFLAGS) -c -o $@ $<
 
 pseudo.o: pseudo.c pseudo.h Makefile
+	$(CC) $(CFLAGS_R) $(CFLAGS) -c -o $@ $<
 
 unsquashfs: unsquashfs.o unsquash-1.o unsquash-2.o unsquash-3.o unsquash-4.o swap.o
-	$(CC) unsquashfs.o unsquash-1.o unsquash-2.o unsquash-3.o unsquash-4.o swap.o -lz -lpthread -lm -o $@
+	$(CC) $(LDFLAGS) unsquashfs.o unsquash-1.o unsquash-2.o unsquash-3.o unsquash-4.o swap.o -lz -lpthread -lm -o $@
 
-unsquashfs.o: unsquashfs.h unsquashfs.c squashfs_fs.h squashfs_swap.h squashfs_compat.h global.h Makefile
+unsquashfs.o: unsquashfs.c unsquashfs.h squashfs_fs.h squashfs_swap.h squashfs_compat.h global.h Makefile
+	$(CC) $(CFLAGS_R) $(CFLAGS) -c -o $@ $<
 
-unsquash-1.o: unsquashfs.h unsquash-1.c squashfs_fs.h squashfs_compat.h global.h Makefile
+unsquash-1.o: unsquash-1.c unsquashfs.h squashfs_fs.h squashfs_compat.h global.h Makefile
+	$(CC) $(CFLAGS_R) $(CFLAGS) -c -o $@ $<
 
-unsquash-2.o: unsquashfs.h unsquash-2.c unsquashfs.h squashfs_fs.h squashfs_compat.h global.h Makefile
+unsquash-2.o: unsquash-2.c unsquashfs.h unsquashfs.h squashfs_fs.h squashfs_compat.h global.h Makefile
+	$(CC) $(CFLAGS_R) $(CFLAGS) -c -o $@ $<
 
-unsquash-3.o: unsquashfs.h unsquash-3.c squashfs_fs.h squashfs_compat.h global.h Makefile
+unsquash-3.o: unsquash-3.c unsquashfs.h squashfs_fs.h squashfs_compat.h global.h Makefile
+	$(CC) $(CFLAGS_R) $(CFLAGS) -c -o $@ $<
 
-unsquash-4.o: unsquashfs.h unsquash-4.c squashfs_fs.h squashfs_swap.h global.h Makefile
+unsquash-4.o: unsquash-4.c unsquashfs.h squashfs_fs.h squashfs_swap.h global.h Makefile
+	$(CC) $(CFLAGS_R) $(CFLAGS) -c -o $@ $<
 
 clean:
 	-rm -f *.o mksquashfs unsquashfs