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vcpkg/ports/dlib/fix-flags.patch

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diff --git a/dlib/CMakeLists.txt b/dlib/CMakeLists.txt
index 2c69a29..46aeedf 100644
--- a/dlib/CMakeLists.txt
+++ b/dlib/CMakeLists.txt
@@ -816,13 +816,12 @@ if (NOT TARGET dlib)
endif()
target_compile_features(dlib PUBLIC cxx_std_14)
- if((MSVC AND CMAKE_VERSION VERSION_LESS 3.11))
- target_compile_options(dlib PUBLIC ${active_compile_opts})
- target_compile_options(dlib PRIVATE ${active_compile_opts_private})
- else()
- target_compile_options(dlib PUBLIC $<$<COMPILE_LANGUAGE:CXX>:${active_compile_opts}>)
- target_compile_options(dlib PRIVATE $<$<COMPILE_LANGUAGE:CXX>:${active_compile_opts_private}>)
- endif()
+ # Build-tree clients share dlib's compiler, so forward the options detected
+ # above to them. Do not put those options in the installed target, where
+ # dlibConfig.cmake recreates them for the consuming compiler's frontend.
+ target_compile_options(dlib INTERFACE "$<BUILD_INTERFACE:$<$<COMPILE_LANGUAGE:CXX>:${active_compile_opts}>>")
+ target_compile_options(dlib PRIVATE $<$<COMPILE_LANGUAGE:CXX>:${active_compile_opts}>)
+ target_compile_options(dlib PRIVATE $<$<COMPILE_LANGUAGE:CXX>:${active_compile_opts_private}>)
# Install the library
if (NOT DLIB_IN_PROJECT_BUILD)
diff --git a/dlib/cmake_utils/dlibConfig.cmake.in b/dlib/cmake_utils/dlibConfig.cmake.in
index 24755ce..bcf5fe4 100644
--- a/dlib/cmake_utils/dlibConfig.cmake.in
+++ b/dlib/cmake_utils/dlibConfig.cmake.in
@@ -27,7 +27,7 @@ endif()
# Our library dependencies (contains definitions for IMPORTED targets)
-if(NOT TARGET dlib-shared AND NOT dlib_BINARY_DIR)
+if(NOT TARGET dlib::dlib AND NOT TARGET dlib-shared AND NOT dlib_BINARY_DIR)
# Compute paths
get_filename_component(dlib_CMAKE_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
include("${dlib_CMAKE_DIR}/dlib.cmake")
@@ -41,6 +41,73 @@ if(NOT TARGET dlib-shared AND NOT dlib_BINARY_DIR)
endif()
unset(dlib_deps_threads_idx)
unset(dlib_deps_threads_check)
+
+ # Compiler options on an imported target are evaluated in the consuming
+ # project, not in the project that built dlib. Select them here so an
+ # installed package never passes (for example) cl-style options to the
+ # clang++ driver. MSVC is intentionally used instead of the compiler ID:
+ # CMake also sets it for compilers such as clang-cl that accept cl syntax.
+ set(_dlib_compile_options)
+ set(_dlib_compile_definitions)
+ set(_dlib_simd_level "@DLIB_SIMD_LEVEL@")
+
+ if(MSVC)
+ list(APPEND _dlib_compile_options /bigobj)
+
+ if(_dlib_simd_level STREQUAL "AVX")
+ list(APPEND _dlib_compile_options /arch:AVX)
+ elseif(_dlib_simd_level STREQUAL "SSE4")
+ if(CMAKE_SIZEOF_VOID_P EQUAL 4)
+ list(APPEND _dlib_compile_options /arch:SSE2)
+ endif()
+ list(APPEND _dlib_compile_definitions DLIB_HAVE_SSE2 DLIB_HAVE_SSE3 DLIB_HAVE_SSE41)
+ elseif(_dlib_simd_level STREQUAL "SSE2")
+ if(CMAKE_SIZEOF_VOID_P EQUAL 4)
+ list(APPEND _dlib_compile_options /arch:SSE2)
+ endif()
+ list(APPEND _dlib_compile_definitions DLIB_HAVE_SSE2)
+ endif()
+
+ if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+ if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 3.3)
+ list(APPEND _dlib_compile_options -Xclang -fcxx-exceptions)
+ endif()
+ if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0.0)
+ list(APPEND _dlib_compile_options -ftemplate-depth=500)
+ endif()
+ endif()
+ elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR
+ CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR
+ CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" OR
+ CMAKE_CXX_COMPILER_ID STREQUAL "Intel" OR
+ CMAKE_CXX_COMPILER_ID STREQUAL "IntelLLVM")
+ if(_dlib_simd_level STREQUAL "AVX")
+ list(APPEND _dlib_compile_options -mavx)
+ elseif(_dlib_simd_level STREQUAL "SSE4")
+ list(APPEND _dlib_compile_options -msse4)
+ elseif(_dlib_simd_level STREQUAL "SSE2")
+ list(APPEND _dlib_compile_options -msse2)
+ elseif(_dlib_simd_level STREQUAL "NEON")
+ list(APPEND _dlib_compile_options -mfpu=neon)
+ endif()
+
+ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+ list(APPEND _dlib_compile_options -Wreturn-type)
+ elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0.0)
+ list(APPEND _dlib_compile_options -ftemplate-depth=500)
+ endif()
+ endif()
+
+ if(_dlib_compile_options)
+ target_compile_options(dlib::dlib INTERFACE "$<$<COMPILE_LANGUAGE:CXX>:${_dlib_compile_options}>")
+ endif()
+ if(_dlib_compile_definitions)
+ target_compile_definitions(dlib::dlib INTERFACE "$<$<COMPILE_LANGUAGE:CXX>:${_dlib_compile_definitions}>")
+ endif()
+
+ unset(_dlib_compile_definitions)
+ unset(_dlib_compile_options)
+ unset(_dlib_simd_level)
endif()
set(dlib_LIBRARIES dlib::dlib)
@@ -60,6 +127,3 @@ endfunction()
variable_watch(dlib_LIBRARIES __deprecated_var)
variable_watch(dlib_LIBS __deprecated_var)
variable_watch(dlib_INCLUDE_DIRS __deprecated_var)
-
-
-
diff --git a/dlib/cmake_utils/set_compiler_specific_options.cmake b/dlib/cmake_utils/set_compiler_specific_options.cmake
index 6e2682d..be05c88 100644
--- a/dlib/cmake_utils/set_compiler_specific_options.cmake
+++ b/dlib/cmake_utils/set_compiler_specific_options.cmake
@@ -24,25 +24,29 @@ endif()
set(gcc_like_compilers GNU Clang Intel)
set(intel_archs x86_64 i386 i686 AMD64 amd64 x86)
+set(DLIB_SIMD_LEVEL NONE)
-# Setup some options to allow a user to enable SSE and AVX instruction use.
+# Setup some options to allow a user to enable SSE and AVX instruction use.
if ((";${gcc_like_compilers};" MATCHES ";${CMAKE_CXX_COMPILER_ID};") AND
(";${intel_archs};" MATCHES ";${CMAKE_SYSTEM_PROCESSOR};") AND NOT USE_AUTO_VECTOR)
option(USE_SSE2_INSTRUCTIONS "Compile your program with SSE2 instructions" OFF)
option(USE_SSE4_INSTRUCTIONS "Compile your program with SSE4 instructions" OFF)
option(USE_AVX_INSTRUCTIONS "Compile your program with AVX instructions" OFF)
if(USE_AVX_INSTRUCTIONS)
+ set(DLIB_SIMD_LEVEL AVX)
list(APPEND active_compile_opts -mavx)
message(STATUS "Enabling AVX instructions")
elseif (USE_SSE4_INSTRUCTIONS)
+ set(DLIB_SIMD_LEVEL SSE4)
list(APPEND active_compile_opts -msse4)
message(STATUS "Enabling SSE4 instructions")
elseif(USE_SSE2_INSTRUCTIONS)
+ set(DLIB_SIMD_LEVEL SSE2)
list(APPEND active_compile_opts -msse2)
message(STATUS "Enabling SSE2 instructions")
endif()
-elseif (MSVC OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC") # else if using Visual Studio
+elseif (MSVC OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC") # else if using Visual Studio
# Use SSE2 by default when using Visual Studio.
option(USE_SSE2_INSTRUCTIONS "Compile your program with SSE2 instructions" ON)
option(USE_SSE4_INSTRUCTIONS "Compile your program with SSE4 instructions" OFF)
@@ -51,9 +55,11 @@ elseif (MSVC OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC") # else if using Visu
include(CheckTypeSize)
check_type_size( "void*" SIZE_OF_VOID_PTR)
if(USE_AVX_INSTRUCTIONS)
+ set(DLIB_SIMD_LEVEL AVX)
list(APPEND active_compile_opts /arch:AVX)
message(STATUS "Enabling AVX instructions")
elseif (USE_SSE4_INSTRUCTIONS)
+ set(DLIB_SIMD_LEVEL SSE4)
# Visual studio doesn't have an /arch:SSE2 flag when building in 64 bit modes.
# So only give it when we are doing a 32 bit build.
if (SIZE_OF_VOID_PTR EQUAL 4)
@@ -64,6 +70,7 @@ elseif (MSVC OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC") # else if using Visu
list(APPEND active_preprocessor_switches "-DDLIB_HAVE_SSE3")
list(APPEND active_preprocessor_switches "-DDLIB_HAVE_SSE41")
elseif(USE_SSE2_INSTRUCTIONS)
+ set(DLIB_SIMD_LEVEL SSE2)
# Visual studio doesn't have an /arch:SSE2 flag when building in 64 bit modes.
# So only give it when we are doing a 32 bit build.
if (SIZE_OF_VOID_PTR EQUAL 4)
@@ -77,6 +84,7 @@ elseif((";${gcc_like_compilers};" MATCHES ";${CMAKE_CXX_COMPILER_ID};") AND
("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "^arm"))
option(USE_NEON_INSTRUCTIONS "Compile your program with ARM-NEON instructions" OFF)
if(USE_NEON_INSTRUCTIONS)
+ set(DLIB_SIMD_LEVEL NEON)
list(APPEND active_compile_opts -mfpu=neon)
message(STATUS "Enabling ARM-NEON instructions")
endif()
@@ -110,11 +118,10 @@ if (MSVC)
# RAM.
list(APPEND active_compile_opts_private "/MP")
- if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 3.3)
+ if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 3.3)
# Clang can compile all Dlib's code at Windows platform. Tested with Clang 5
list(APPEND active_compile_opts -Xclang)
list(APPEND active_compile_opts -fcxx-exceptions)
endif()
endif()
-
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