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tools: mkimage: fix __u64 typedef conflict with new glibc #32

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tools: mkimage: fix __u64 typedef conflict with new glibc #32

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Commits on Oct 21, 2021

  1. tools: mkimage: fix __u64 typedef conflict with new glibc 

    Including "sys/stat.h" from newer glibc will cause __u64 from linux uapi
header to be included, causing compilation failure for u-boot tools
USE_HOSTCC

Remove typedef for __u64 in include/compiler.h to fix the issue.  It should be
safe because as of u-boot-2018.03, no ref to __u64 is found under u-boot tools/
directory

Error message snippet follows

	  HOSTCC  tools/mkenvimage.o
	In file included from /usr/include/asm-generic/types.h:7,
			 from /usr/include/asm/types.h:5,
			 from /usr/include/linux/types.h:5,
			 from /usr/include/linux/stat.h:5,
			 from /usr/include/bits/statx.h:30,
			 from /usr/include/sys/stat.h:446,
			 from tools/mkenvimage.c:21:
	/usr/include/asm-generic/int-ll64.h:31:42: error: conflicting types for '__u64'
	   31 | __extension__ typedef unsigned long long __u64;
	      |                                          ^~~~~
	In file included from <command-line>:
	././include/compiler.h:69:18: note: previous declaration of '__u64' was here
	   69 | typedef uint64_t __u64;
	      |                  ^~~~~
	make[5]: *** [scripts/Makefile.host:116: tools/mkenvimage.o] Error 1

Ref: https://forum.openwrt.org/t/compile-error-19-07/44423
Ref: https://bugzilla.redhat.com/show_bug.cgi?id=1699194
Signed-off-by: Yousong Zhou <[email protected]>
    @yousong @LinusU
    yousong authored and LinusU committed Oct 21, 2021
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