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FS#659 - uboot-kirkwood (at least) fails to build if swig is installed but python headers are not available #5656

openwrt-bot opened this issue Mar 28, 2017 · 1 comment


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@openwrt-bot openwrt-bot commented Mar 28, 2017


Building LEDE head (reboot-3906-g2a2dfb2be7) on a machine without python development headers but with swig in $PATH yields

HOSTLD tools/dumpimage HOSTCC tools/mkimage.o HOSTLD tools/mkimage swig -python -o tools/libfdt_wrap.c lib/libfdt/libfdt.swig LDFLAGS="" python ./lib/libfdt/ \ "-Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -include ./include/libfdt_env.h -idirafterinclude -idirafter./arch/arm/include -I./lib/libfdt -I./tools -DUSE_HOSTCC -D__KERNEL_STRICT_NAMES -D_GNU_SOURCE " lib/libfdt/fdt.c lib/libfdt/fdt_ro.c lib/libfdt/fdt_rw.c lib/libfdt/fdt_strerror.c lib/libfdt/fdt_wip.c lib/libfdt/fdt_region.c lib/libfdt/fdt_sw.c tools/libfdt_wrap.c tools/libfdt_wrap.c:130:21: fatal error: Python.h: No such file or directory # include ^ compilation terminated. error: command 'x86_64-linux-gnu-gcc' failed with exit status 1 tools/Makefile:123: recipe for target 'tools/' failed make[5]: *** [tools/] Error 1 Makefile:1229: recipe for target 'tools' failed make[4]: *** [tools] Error 2 make[4]: Leaving directory '/tank/openwrt/scratch/builder-nwftest/build_dir/target-arm_xscale_musl_eabi/u-boot-pogo_v4/u-boot-2017.03'

As I don't believe there are any in-tree consumers of the python libfdt bindings, adding the following patch file, which just removes the test for swig and therefore acts as if it is never present, should do the right thing:

$ cat package/boot/uboot-kirkwood/patches/201-no-python-fdt.patch --- u-boot-2017.03/tools/Makefile.orig 2017-03-28 03:11:34.081325904 +0000 +++ u-boot-2017.03/tools/Makefile 2017-03-28 03:13:09.225349051 +0000 @@ -112,10 +112,6 @@ fit_info-objs := $(dumpimage-mkimage-objs) fit_info.o fit_check_sign-objs := $(dumpimage-mkimage-objs) fit_check_sign.o

-# Build a libfdt Python module if swig is available
-# Use 'sudo apt-get install swig libpython-dev' to enable this
-hostprogs-y += \

  • $(if $(shell which swig 2> /dev/null), += $(LIBFDT_OBJS)
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@openwrt-bot openwrt-bot commented Mar 28, 2017


Sorry, the git commit mentioned has some of my (unrelated) patches atop it. Upstream is reboot-3883-g2ebfdabfbd

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