[gtksourceview] build: use static libraries for testsuite

[Christian Hergert <chergert src gnome org>]

commit 1155e90c9de0512879c479287792d651378eb3b5
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jan 29 10:46:01 2020 -0800

    build: use static libraries for testsuite
    
    This will allow us to use more aggressive optimizations on the primary
    libgtksourceview-4.so such as -Wl,Bsymbolic and -fno-plt.

 testsuite/meson.build | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)
---
diff --git a/testsuite/meson.build b/testsuite/meson.build
index f0c51fe7..fdc536ab 100644
--- a/testsuite/meson.build
+++ b/testsuite/meson.build
@@ -45,11 +45,20 @@ foreach test: testsuite_sources
     '@0@.c'.format(test_name),
   ]
 
-  # MSVC builds: We need to link to the main GtkSourceView .lib except
-  # for test-stylescheme.c, where we must link only to the static core lib
+  # To allow our installed libraries to have some optimizations like
+  # -Wl,Bsymbolic we cannot link against them here. It would cause
+  # duplicate type registration which is an error for GObject.
+  #
+  # Furthermore, for MSVC we need to link to the main GtkSourceView .lib
+  # except for test-stylescheme.c, where we must link only to the static core
+  # lib.
+  #
+  # So instead we just always link the static libraries. Since these don't
+  # get installed in the vast majority of cases, that is worth the extra
+  # link and size bloat to make the common case better.
   test_exe = executable(test_name, test_sources,
           c_args: testsuite_c_args,
-    dependencies: cc.get_id() == 'msvc' and test_name == 'test-stylescheme' ? [core_dep] : [gtksource_dep],
+    dependencies: [core_dep, completionwords_dep],
          install: get_option('install_tests'),
      install_dir: testexecdir
   )