[PATCH] Fix linkage to libutil and libkvm on FreeBSD 11

[Roman Bogorodskiy]

  Daniel P. Berrangé wrote:

> We are currently adding -lutil and -lkvm to the linker using the
> add_project_link_arguments method. On FreeBSD 11.4, this results in
> build errors because the args appear too early in the command line.
> 
> We need to pass the libraries as dependencies so that they get placed
> at the same point in the linker args as other dependencies.
> 
> Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
> ---
>  meson.build           | 16 +++++++---------
>  src/bhyve/meson.build | 15 +++++++++++----
>  src/util/meson.build  | 26 +++++++++++++++++---------
>  3 files changed, 35 insertions(+), 22 deletions(-)
> 
> Using the CI patch I posted earlier to add FreeBSD 11:
> 
>   https://gitlab.com/berrange/libvirt/-/pipelines/185834799
> 
> 
> diff --git a/meson.build b/meson.build
> index 1eadea33bf..c30ff187aa 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -1086,7 +1086,8 @@ endif
>  # Check for BSD kvm (kernel memory interface)
>  if host_machine.system() == 'freebsd'
>    kvm_dep = cc.find_library('kvm')
> -  add_project_link_arguments('-lkvm', language: 'c')
> +else
> +  kvm_dep = disabler()
>  endif
>  
>  libiscsi_version = '1.18.0'
> @@ -1203,11 +1204,9 @@ have_gnu_gettext_tools = false
>  if not get_option('nls').disabled()
>    have_gettext = cc.has_function('gettext')
>    if not have_gettext
> -    intl_lib = cc.find_library('intl', required: false)
> -    have_gettext = intl_lib.found()
> -    if have_gettext
> -      add_project_link_arguments('-lintl', language: 'c')
> -    endif
> +    intl_dep = cc.find_library('intl', required: false)
> +  else
> +    intl_dep = disabler()
>    endif
>    if not have_gettext and get_option('nls').enabled()
>      error('gettext() is required to build libvirt')

Looks like this error is issued even if we found intl_dep.
Should this check be updated to:

 if not (have_gettext or intl_dep.found()) and get_option('nls').enabled()
   error(...)

?

> @@ -1235,6 +1234,8 @@ if not get_option('nls').disabled()
>        have_gnu_gettext_tools = true
>      endif
>    endif
> +else
> +  intl_dep = disabler()
>  endif
>  
>  numactl_dep = cc.find_library('numa', required: get_option('numactl'))
> @@ -1402,9 +1403,6 @@ if udev_dep.found()
>  endif
>  
>  util_dep = cc.find_library('util', required: false)
> -if util_dep.found()
> -  add_project_link_arguments('-lutil', language: 'c')
> -endif
>  
>  if not get_option('virtualport').disabled()
>    if cc.has_header_symbol('linux/if_link.h', 'IFLA_PORT_MAX')

Roman Bogorodskiy
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