macOS: update linking (#1288)

* macOS: update linking

* fix

* minimize diff

* minimize diff

* rm gtest_main

CMakeLists.txt

@@ -20,7 +20,10 @@ IF(APPLE)
  LINK_DIRECTORIES(${HOMEBREW_PREFIX}/lib)
  set(CPPFLAGS "-I${HOMEBREW_PREFIX}/opt/llvm/include -I${HOMEBREW_PREFIX}/include")
  set(LDFLAGS "-L${HOMEBREW_PREFIX}/opt/llvm/lib -Wl,-rpath,${HOMEBREW_PREFIX}/opt/llvm/lib")
- set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -std=c++20-stdlib=libc++ -undefined dynamic_lookup -framework Cocoa -framework IOKit") # https://github.com/pybind/pybind11/issues/382
+ set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -std=c++20-stdlib=libc++ -framework Cocoa -framework IOKit") # https://github.com/pybind/pybind11/issues/382
+
+ set(BUILD_SHARED_LIBS ON)
+ set(CMAKE_FIND_LIBRARY_SUFFIXES ".dylib")
 ELSE()
  # uncomment to print compile time of each translation unit,
  # such print format is selected to simplify load in Excel with fields (user time, system time, command) subdivision by commas
@@ -78,6 +81,10 @@ IF(APPLE)
   set(CMAKE_INSTALL_RPATH "@loader_path;@loader_path/..;@loader_path/../lib;@loader_path/../lib/lib;@loader_path/meshlib;${THIRDPARTY_LIB_DIR};${CMAKE_BINARY_DIR}/bin")
   set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
   SET(MR_PLATFORM "APPLE_${CMAKE_HOST_SYSTEM_PROCESSOR}")
+
+  set(GTest_DIR ${THIRDPARTY_LIB_DIR}/cmake/GTest)
+  find_package(GTest REQUIRED CONFIG)
+  include_directories(${GTEST_INCLUDE_DIRS})
 ELSE()
  # set platform dependent flags
  file(STRINGS /etc/os-release distro REGEX "^NAME=")

requirements/macos.txt

@@ -5,7 +5,6 @@ cpr
 fmt
 gdcm
 glfw
-googletest
 gtkmm3
 hidapi
 ilmbase

source/MRMesh/CMakeLists.txt

@@ -143,12 +143,12 @@ IF(APPLE OR MR_EMSCRIPTEN)
 	#include_directories(/opt/homebrew/opt/jpeg-turbo/include)
 	#link_directories(/opt/homebrew/opt/jpeg-turbo/lib)
 
-	IF (NOT MR_EMSCRIPTEN)
-		find_library(COCOA_LIBRARY Cocoa ONLY)
+	IF (APPLE)
+        find_library(COCOA_LIBRARY Cocoa ONLY)
 	    target_compile_definitions(${PROJECT_NAME} PRIVATE _GNU_SOURCE)
 		target_link_libraries(${PROJECT_NAME} PRIVATE
 		    spdlog
-		    gtest gtest_main
+		    GTest::gtest
 		    zip
 		    pthread
 		    Boost::boost
@@ -161,7 +161,7 @@ IF(APPLE OR MR_EMSCRIPTEN)
 		)
 	ELSE()
 	    target_link_libraries(${PROJECT_NAME} PRIVATE
-	        gtest gtest_main
+	        gtest
 	        zip
 	        freetype
 	        pthread
@@ -177,7 +177,7 @@ ELSE()
 		fmt
 		spdlog
         tinyxml2
-		gtest gtest_main
+		gtest
 		zip
 		pthread
 		Boost::boost

source/MRTest/CMakeLists.txt

@@ -10,10 +10,12 @@ IF(MR_EMSCRIPTEN)
   set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --emrun")
 ENDIF()
 
-IF(NOT ${MR_FEDORA} AND NOT ${MR_UBUNTU22} AND NOT ${MR_EMSCRIPTEN})
+IF(APPLE)
  target_link_libraries(${PROJECT_NAME} PRIVATE
          MRMesh
          MRViewer
+         fmt
+         GTest::gtest
          spdlog
          mrmeshpy
  )

source/MRViewer/CMakeLists.txt

@@ -40,6 +40,7 @@ IF(APPLE)
     target_compile_definitions(${PROJECT_NAME} PRIVATE _GNU_SOURCE)
 	target_link_libraries(${PROJECT_NAME} PRIVATE
 			MRMesh
+			GTest::gtest
 			fmt
 			tbb
 			OpenVDB

thirdparty/CMakeLists.txt

@@ -39,6 +39,8 @@ ELSE()
   include_directories(${FREETYPE_INCLUDE_DIRS})
   IF(APPLE)
     target_link_libraries(imgui PRIVATE ${FREETYPE_LIBRARIES} glfw)
+    set(INSTALL_GTEST ON)
+    add_subdirectory(./googletest)
   ELSE()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-but-set-variable")
   ENDIF()