android/meson.build: move target `org_musicpd_Bridge.h` to include/meson.build

android/include/meson.build

@@ -0,0 +1,18 @@
+javac = find_program('javac')
+
+common_cppflags += '-I' + meson.current_build_dir()
+
+bridge_header = custom_target(
+  'org_musicpd_Bridge.h',
+  output: 'org_musicpd_Bridge.h',
+  input: [
+    '../app/src/main/java/org/musicpd/Bridge.java',
+  ],
+  command: [
+    join_paths(meson.current_source_dir(), 'run-javac.sh'),
+    javac,
+    join_paths(android_sdk_platform_dir, 'android.jar'),
+    '@OUTDIR@',
+    '@INPUT@',
+  ],
+)

android/include/run-javac.sh

@@ -2,11 +2,8 @@
 
 JAVAC=$1
 CLASSPATH=$2
-DIRNAME=$3
+GENINCLUDE=$3
 
-GENINCLUDE="$DIRNAME/include"
-
-mkdir -p "$GENINCLUDE"
 "$JAVAC" -source 1.8 -target 1.8 -Xlint:-options \
 	 -cp "$CLASSPATH" \
 	 -h "$GENINCLUDE"  \

android/meson.build

@@ -14,21 +14,4 @@ android_sdk_platform_dir = join_paths(android_sdk, 'platforms', android_sdk_plat
 
 android_gradlew = join_paths(meson.current_source_dir(), 'gradlew')
 
-javac = find_program('javac')
-
-common_cppflags += '-I' + join_paths(meson.current_build_dir(), 'include')
-
-bridge_header = custom_target(
-  'org_musicpd_Bridge.h',
-  output: 'org_musicpd_Bridge.h',
-  input: [
-    'app/src/main/java/org/musicpd/Bridge.java',
-  ],
-  command: [
-    join_paths(meson.current_source_dir(), 'run-javac.sh'),
-    javac,
-    join_paths(android_sdk_platform_dir, 'android.jar'),
-    '@OUTDIR@',
-    '@INPUT@',
-  ],
-)
+subdir('include')