[Qemu-devel] [Bug 1786343] Re: QEMU v3.0.0-rc4 configure fails with --enable-mpath on CentOS 7.5

[Thomas Huth]

** Changed in: qemu
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1786343

Title:
  QEMU v3.0.0-rc4 configure fails with --enable-mpath on CentOS 7.5

Status in QEMU:
  Fix Released

Bug description:
  QEMU v3.0.0-rc4 configure fails with --enable-mpath on CentOS 7.5.

  After commit b3f1c8c413bc83e4a2cc7a63e4eddf9fe6449052 "qemu-pr-helper: use new
  libmultipath API", QEMU started using new libmultipath API, which is not
  available on CentOS 7.5.  Reverting this commit, configure passes.

  Steps to reproduce (fails on x86_64 and ppc64le architectures):

    $ git clone git://git.qemu.org/qemu.git
    $ mkdir -p qemu/build && cd qemu/build
    $ ../configure --enable-mpath
    ERROR: Multipath requires libmpathpersist devel

    $ rpm -qa | grep device-mapper | sort
    device-mapper-1.02.146-4.el7.ppc64le
    device-mapper-devel-1.02.146-4.el7.ppc64le
    device-mapper-libs-1.02.146-4.el7.ppc64le
    device-mapper-multipath-0.4.9-119.el7.ppc64le
    device-mapper-multipath-devel-0.4.9-119.el7.ppc64le
    device-mapper-multipath-libs-0.4.9-119.el7.ppc64le

  Snippet from config.log:

    funcs: do_compiler do_cc compile_prog main
    lines: 92 125 3580 0
    cc -pthread -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -m64 
-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes 
-Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes 
-fno-strict-aliasing -fno-common -fwrapv -Wendif-labels 
-Wno-missing-include-dirs -Wempty-body -Wnested-externs -Wformat-security 
-Wformat-y2k -Winit-self -Wignored-qualifiers -Wold-style-declaration 
-Wold-style-definition -Wtype-limits -fstack-protector-strong 
-Wno-missing-braces -I/usr/include/p11-kit-1 -I/usr/include/libpng15 -o 
config-temp/qemu-conf.exe config-temp/qemu-conf.c -m64 -g -ludev -lmultipath 
-lmpathpersist
    config-temp/qemu-conf.c: In function ‘main’:
    config-temp/qemu-conf.c:15:5: error: too few arguments to function 
‘mpath_lib_init’
         multipath_conf = mpath_lib_init();
         ^
    In file included from config-temp/qemu-conf.c:2:0:
    /usr/include/mpath_persist.h:179:12: note: declared here
     extern int mpath_lib_init (struct udev *udev);
                ^

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