meson: move keyutils dependency check

Since there is not minimum version specified, and it's a test-only
dependency, it's fair to depend on a version that ships with a .pc I
suppose.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-8-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

2 files changed, 3 insertions, 29 deletions

diff --git a/configure b/configure
index 8c9bbfa..1471b35 100755
--- a/configure
+++ b/configure
@@ -6313,28 +6313,6 @@ but not implemented on your system"
 fi
 
 ##########################################
-# check for usable keyutils.h
-
-if test "$linux" = "yes" ; then
-
-    have_keyutils=no
-    cat > $TMPC << EOF
-#include <errno.h>
-#include <asm/unistd.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <keyutils.h>
-int main(void) {
-    return request_key("user", NULL, NULL, 0);
-}
-EOF
-    if compile_prog "" "-lkeyutils"; then
-        have_keyutils=yes
-    fi
-fi
-
-
-##########################################
 # End of CC checks
 # After here, no more $cc or $ld runs
 
@@ -7522,9 +7500,6 @@ fi
 
 if test "$secret_keyring" = "yes" ; then
   echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
-  if test "$have_keyutils" = "yes" ; then
-    echo "CONFIG_KEYUTILS=y" >> $config_host_mak
-  fi
 fi
 
 if test "$tcg_interpreter" = "yes"; then
diff --git a/meson.build b/meson.build
index d3cf531..f7cd2b6 100644
--- a/meson.build
+++ b/meson.build
@@ -415,10 +415,8 @@ if 'CONFIG_TASN1' in config_host
   tasn1 = declare_dependency(compile_args: config_host['TASN1_CFLAGS'].split(),
                              link_args: config_host['TASN1_LIBS'].split())
 endif
-keyutils = not_found
-if 'CONFIG_KEYUTILS' in config_host
-  keyutils = declare_dependency(link_args: '-lkeyutils')
-endif
+keyutils = dependency('libkeyutils', required: false,
+                      method: 'pkg-config', static: enable_static)
 
 # Create config-host.h
 
@@ -429,6 +427,7 @@ config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
 config_host_data.set('CONFIG_VNC_PNG', png.found())
 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
+config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])