buildroot/package/ninja/0003-CMake-fix-object-library-usage.patch

From 17539ae9d09ded695167911f9e3ec0cf4bc9fed9 Mon Sep 17 00:00:00 2001
From: Yegor Yefremov <yegorslists@googlemail.com>
Date: Wed, 5 Feb 2020 12:28:44 +0100
Subject: [PATCH] CMake: fix object library usage

Object libraries cannot be use in target_link_libraries() command
as they are no normal binary files like *.a or *.so but a collection
of object files.

See add_library() definition for details.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
[Rebased for for ninja-1.10.2]
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
---
 CMakeLists.txt | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4b61479..3701f3a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -132,8 +132,7 @@ if(CMAKE_SYSTEM_NAME STREQUAL "OS400" OR CMAKE_SYSTEM_NAME STREQUAL "AIX")
 endif()
 
 # Main executable is library plus main() function.
-add_executable(ninja src/ninja.cc)
-target_link_libraries(ninja PRIVATE libninja libninja-re2c)
+add_executable(ninja src/ninja.cc $<TARGET_OBJECTS:libninja> $<TARGET_OBJECTS:libninja-re2c>)
 
 # Adds browse mode into the ninja binary if it's supported by the host platform.
 if(platform_supports_ninja_browse)
@@ -183,11 +182,12 @@ if(BUILD_TESTING)
     src/subprocess_test.cc
     src/test.cc
     src/util_test.cc
+    $<TARGET_OBJECTS:libninja>
+    $<TARGET_OBJECTS:libninja-re2c>
   )
   if(WIN32)
     target_sources(ninja_test PRIVATE src/includes_normalize_test.cc src/msvc_helper_test.cc)
   endif()
-  target_link_libraries(ninja_test PRIVATE libninja libninja-re2c)
 
   foreach(perftest
     build_log_perftest
@@ -197,8 +197,7 @@ if(BUILD_TESTING)
     hash_collision_bench
     manifest_parser_perftest
   )
-    add_executable(${perftest} src/${perftest}.cc)
-    target_link_libraries(${perftest} PRIVATE libninja libninja-re2c)
+    add_executable(${perftest} src/${perftest}.cc $<TARGET_OBJECTS:libninja> $<TARGET_OBJECTS:libninja-re2c>)
   endforeach()
 
   if(CMAKE_SYSTEM_NAME STREQUAL "AIX" AND CMAKE_SIZEOF_VOID_P EQUAL 4)
-- 
2.29.2