[gtk/new-sysprof] Alterative sysprof build support

[Matthias Clasen <matthiasc src gnome org>]

commit 81e88c1d9ee328fce4afa50919684ae8c813c8bb
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Aug 21 18:28:29 2020 -0400

    Alterative sysprof build support
    
    Don't link libgtk against libsysprof. We only
    need that for the test-performance binary.

 gdk/meson.build                   |  4 +--
 meson.build                       | 57 +++++++++++++++++++--------------------
 tests/meson.build                 |  4 +--
 testsuite/performance/meson.build | 10 ++++---
 4 files changed, 38 insertions(+), 37 deletions(-)
---
diff --git a/gdk/meson.build b/gdk/meson.build
index 76d60dd2e6..9bb679160a 100644
--- a/gdk/meson.build
+++ b/gdk/meson.build
@@ -194,8 +194,8 @@ gdk_deps = [
 ]
 
 if profiler_enabled
-  if profiler_dep.found()
-    gdk_deps += [profiler_dep]
+  if libsysprof_capture_dep.found()
+    gdk_deps += [libsysprof_capture_dep]
   endif
 endif
 
diff --git a/meson.build b/meson.build
index 5884b259e9..bf8d515bbb 100644
--- a/meson.build
+++ b/meson.build
@@ -439,7 +439,7 @@ endif
 
 cairo_libs = []
 if cc.get_id() == 'msvc'
-  # Fallback depedency discovery for those on Visual Studio that do not generate
+  # Fallback dependency discovery for those on Visual Studio that do not generate
   # pkg-config files in their build systems for MSVC
   # Fallback for Cairo
   if not cairo_dep.found()
@@ -703,39 +703,38 @@ endif
 
 profiler_enabled = get_option('profiler')
 if profiler_enabled
-  # Depend on libsysprof-capture if we only need the capture format.
-  # For -Dbuild-tests=true, we need SysprofProfiler to profile processes
-  # which requires sysprof-4 instead of sysprof-capture-4.
-
-  profiler_options = [
-    'enable_examples=false',
-    'enable_gtk=false',
-    'enable_tests=false',
-    'enable_tools=false',
-    'with_sysprofd=none',
-    'help=false',
-  ]
-
-  if get_option('build-tests')
-    profiler_dep_name = 'sysprof-4'
-    profiler_fallback = 'libsysprof_dep'
-  else
-    profiler_dep_name = 'sysprof-capture-4'
-    profiler_fallback = 'libsysprof_capture_dep'
-    profiler_options += ['libsysprof=false']
-  endif
-
-  profiler_dep = dependency(profiler_dep_name,
+  # libsysprof-capture support
+  libsysprof_capture_dep = dependency('sysprof-capture-4',
     required: true,
-    default_options: profiler_options,
-    fallback: ['sysprof', profiler_fallback],
+    default_options: [
+      'enable_examples=false',
+      'enable_gtk=false',
+      'enable_tests=false',
+      'enable_tools=false',
+      'libsysprof=true',
+      'with_sysprofd=none',
+      'help=false',
+    ],
+    fallback: ['sysprof', 'libsysprof_capture_dep'],
   )
-
-  if profiler_dep.found()
-    cdata.set('HAVE_SYSPROF', profiler_dep.found())
+  if libsysprof_capture_dep.found()
+    cdata.set('HAVE_SYSPROF', 1)
   else
     error('Profiler support not found, but was explicitly requested.')
   endif
+  libsysprof_dep = dependency('sysprof-4',
+    required: false,
+    default_options: [
+      'enable_examples=false',
+      'enable_gtk=false',
+      'enable_tests=false',
+      'enable_tools=false',
+      'libsysprof=true',
+      'with_sysprofd=none',
+      'help=false',
+    ],
+    fallback: ['sysprof', 'libsysprof_dep'],
+  )
 endif
 
 graphene_dep_type = graphene_dep.type_name()
diff --git a/tests/meson.build b/tests/meson.build
index fd5fd6905d..e80044569a 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -136,9 +136,9 @@ foreach t: gtk_tests
              dependencies: [libgtk_dep, libm])
 endforeach
 
-if get_option('profiler')
+if profiler_enabled
   executable('testperf', 'testperf.c',
-              dependencies: [profiler_dep, platform_gio_dep, libm])
+              dependencies: [libsysprof_dep, platform_gio_dep, libm])
 endif
 
 librsvg = dependency('librsvg-2.0', version: '>= 2.46.0', required: false)
diff --git a/testsuite/performance/meson.build b/testsuite/performance/meson.build
index e28207686c..33313923e8 100644
--- a/testsuite/performance/meson.build
+++ b/testsuite/performance/meson.build
@@ -1,5 +1,7 @@
-if get_option ('profiler')
-  test_performance = executable('test-performance', 'test-performance.c',
-                                c_args: common_cflags,
-                                dependencies: [profiler_dep, platform_gio_dep, libm])
+if profiler_enabled
+  if libsysprof_dep.found()
+    test_performance = executable('test-performance', 'test-performance.c',
+                                  c_args: common_cflags,
+                                  dependencies: [libsysprof_dep, platform_gio_dep, libm])
+  endif
 endif