Move lsi into new subdir to be reused as static lib

Signed-off-by: Ikey Doherty <ikey@solus-project.com>

meson.build

@@ -58,6 +58,8 @@ if with_libintercept == true
     cdata.set('HAVE_LIBINTERCEPT', '1')
 endif
 
+with_frontend = get_option('with-frontend')
+
 config_h = configure_file(
      configuration: cdata,
      output: 'config.h',

src/frontend/meson.build

@@ -1,4 +1,4 @@
-if get_option('with-frontend') == true
+if with_frontend == true
     dep_gtk3 = dependency('gtk+-3.0', version: '>= 3.4.0')
 
     frontend_sources = [

src/lsi/meson.build

@@ -0,0 +1,18 @@
+# Only build liblsi if told to!
+
+if shim_behaviour != 'none' or with_frontend == true
+
+    lsi_sources = [
+        'lsi.c',
+    ]
+
+    lib_lsi = static_library(
+        'lsi-lsi',
+        sources: lsi_sources + nica_sources,
+        include_directories: nica_includes,
+    )
+    link_lsi = declare_dependency(
+        link_with: lib_lsi,
+        include_directories: include_directories('.'),
+    )
+endif

src/meson.build

@@ -16,6 +16,7 @@ nica_includes = [
     config_h_dir,
 ]
 
+subdir('lsi')
 subdir('frontend')
 subdir('intercept')
 subdir('shim')

src/shim/meson.build

@@ -6,7 +6,6 @@ endif
 
 if shim_behaviour != 'none'
     shim_sources = [
-        'lsi.c',
         'shim.c',
     ]
 
@@ -14,6 +13,9 @@ if shim_behaviour != 'none'
         shim_target_name,
         sources: shim_sources + nica_sources,
         include_directories: nica_includes,
+        dependencies: [
+            link_lsi,
+        ],
         install: true,
     )
 endif