[PULL 4/7] meson: remove useless libdl test

["Alex Bennée" <alex.bennee@linaro.org>]

From: Paolo Bonzini <pbonzini@redhat.com>

dlopen is never used after it is sought via cc.find_library, because
plugins use gmodule instead; remove the test.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20211110092454.30916-1-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211115142915.3797652-5-alex.bennee@linaro.org>

diff --git a/meson.build b/meson.build
index 2ece4fe088..baeaee4522 100644
--- a/meson.build
+++ b/meson.build
@@ -566,13 +566,7 @@ endif
 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
 
 rt = cc.find_library('rt', required: false)
-libdl = not_found
-if 'CONFIG_PLUGIN' in config_host
-  libdl = cc.find_library('dl', required: false)
-  if not cc.has_function('dlopen', dependencies: libdl)
-    error('dlopen not found')
-  endif
-endif
+
 libiscsi = not_found
 if not get_option('libiscsi').auto() or have_block
   libiscsi = dependency('libiscsi', version: '>=1.9.0',
diff --git a/accel/tcg/meson.build b/accel/tcg/meson.build
index 137a1a44cc..7a0a79d731 100644
--- a/accel/tcg/meson.build
+++ b/accel/tcg/meson.build
@@ -10,7 +10,7 @@ tcg_ss.add(files(
 ))
 tcg_ss.add(when: 'CONFIG_USER_ONLY', if_true: files('user-exec.c'))
 tcg_ss.add(when: 'CONFIG_SOFTMMU', if_false: files('user-exec-stub.c'))
-tcg_ss.add(when: 'CONFIG_PLUGIN', if_true: [files('plugin-gen.c'), libdl])
+tcg_ss.add(when: 'CONFIG_PLUGIN', if_true: [files('plugin-gen.c')])
 specific_ss.add_all(when: 'CONFIG_TCG', if_true: tcg_ss)
 
 specific_ss.add(when: ['CONFIG_SOFTMMU', 'CONFIG_TCG'], if_true: files(
-- 
2.30.2