From 7f9c75d88fe6d9f710d60885253b0c748cf096d8 Mon Sep 17 00:00:00 2001
From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Date: Mon, 7 Jun 2021 21:55:27 +0200
Subject: src/CMakeLists.txt: Wrap GIR and VAPI related build instructions into
 if-clauses (that check, if INTROSPECTION_FOUND and VAPI_FOUND).

---
 src/CMakeLists.txt | 137 ++++++++++++++++++++++++++++-------------------------
 1 file changed, 73 insertions(+), 64 deletions(-)

(limited to 'src')

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bb93dc3..9894f90 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -108,69 +108,78 @@ install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libayatana-ido3-0.4.so.0.0.0" DESTINA
 
 # ayatana-ido3-0.4.gir
 
-set(HEADERS
-    idocalendarmenuitem.h
-    idoentrymenuitem.h
-    idorange.h
-    idoscalemenuitem.h
-    idoswitchmenuitem.h
-    idotimeline.h
-)
-
 find_package(GObjectIntrospection REQUIRED QUIET)
 
-add_custom_command(
-    OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.gir"
-    DEPENDS "ayatana-ido3-0.4"
-    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-    COMMAND
-    ${INTROSPECTION_SCANNER}
-    ${SOURCES} ${HEADERS}
-    --symbol-prefix=ido
-    --identifier-prefix=Ido
-    --namespace=AyatanaIdo3
-    --nsversion=0.4
-    --quiet
-    --pkg=gtk+-3.0
-    --warn-all
-    --include=Gtk-3.0
-    --library="ayatana-ido3-0.4"
-    --library-path=${CMAKE_CURRENT_BINARY_DIR}
-    --output "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.gir"
-)
-
-install(FILES "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.gir" DESTINATION "${CMAKE_INSTALL_FULL_DATADIR}/gir-1.0")
-
-# ayatana-ido3-0.4.typelib
-
-add_custom_command(
-    OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.typelib"
-    DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.gir"
-    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-    COMMAND
-    ${INTROSPECTION_COMPILER}
-    --includedir=${CMAKE_CURRENT_BINARY_DIR}
-    ${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.gir
-    -o "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.typelib"
-)
-
-install(FILES "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.typelib" DESTINATION "${CMAKE_INSTALL_FULL_LIBDIR}/girepository-1.0")
-
-# ayatana-ido3-0.4.vapi
-
-find_package(Vala REQUIRED QUIET)
-
-add_custom_command(
-    OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.vapi"
-    DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.typelib"
-    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-    COMMAND
-    ${VAPI_GEN}
-    --library=AyatanaIdo3-0.4
-    --pkg gtk+-3.0
-    AyatanaIdo3-0.4.gir
-)
-
-install(FILES "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.vapi" DESTINATION "${CMAKE_INSTALL_FULL_DATADIR}/vala/vapi")
-
-add_custom_target("src" ALL DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.vapi")
+if (INTROSPECTION_FOUND)
+
+    set(HEADERS
+        idocalendarmenuitem.h
+        idoentrymenuitem.h
+        idorange.h
+        idoscalemenuitem.h
+        idoswitchmenuitem.h
+        idotimeline.h
+    )
+
+    add_custom_command(
+        OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.gir"
+        DEPENDS "ayatana-ido3-0.4"
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+        COMMAND
+        ${INTROSPECTION_SCANNER}
+        ${SOURCES} ${HEADERS}
+        --symbol-prefix=ido
+        --identifier-prefix=Ido
+        --namespace=AyatanaIdo3
+        --nsversion=0.4
+        --quiet
+        --pkg=gtk+-3.0
+        --warn-all
+        --include=Gtk-3.0
+        --library="ayatana-ido3-0.4"
+        --library-path=${CMAKE_CURRENT_BINARY_DIR}
+        --output "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.gir"
+    )
+
+    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.gir" DESTINATION "${CMAKE_INSTALL_FULL_DATADIR}/gir-1.0")
+
+    # ayatana-ido3-0.4.typelib
+
+    add_custom_command(
+        OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.typelib"
+        DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.gir"
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+        COMMAND
+        ${INTROSPECTION_COMPILER}
+        --includedir=${CMAKE_CURRENT_BINARY_DIR}
+        ${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.gir
+        -o "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.typelib"
+    )
+
+    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.typelib" DESTINATION "${CMAKE_INSTALL_FULL_LIBDIR}/girepository-1.0")
+
+
+    # ayatana-ido3-0.4.vapi
+
+    find_package(Vala REQUIRED QUIET)
+
+    if (VALA_FOUND)
+
+        add_custom_command(
+            OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.vapi"
+            DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.typelib"
+            WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+            COMMAND
+            ${VAPI_GEN}
+            --library=AyatanaIdo3-0.4
+            --pkg gtk+-3.0
+            AyatanaIdo3-0.4.gir
+        )
+
+        install(FILES "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.vapi" DESTINATION "${CMAKE_INSTALL_FULL_DATADIR}/vala/vapi")
+
+        add_custom_target("src" ALL DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/AyatanaIdo3-0.4.vapi")
+
+    endif ()
+
+endif ()
-- 
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