Move library dependency logic to src directory

This finally eliminates the glfw_INCLUDE_DIRS and glfw_LIBRARIES CMake
variables entirely.
This commit is contained in:
Camilla Löwy
2021-08-18 19:36:36 +02:00
parent 0a9488e3f0
commit 8b8d10bc01
2 changed files with 113 additions and 148 deletions

View File

@@ -54,13 +54,6 @@ else()
set(GLFW_BUILD_SHARED_LIBRARY ${BUILD_SHARED_LIBS})
endif()
if (UNIX AND GLFW_BUILD_SHARED_LIBRARY)
# On Unix-like systems, shared libraries can use the soname system.
set(GLFW_LIB_NAME glfw)
else()
set(GLFW_LIB_NAME glfw3)
endif()
list(APPEND CMAKE_MODULE_PATH "${GLFW_SOURCE_DIR}/CMake/modules")
find_package(Threads REQUIRED)
@@ -117,142 +110,6 @@ else()
message(FATAL_ERROR "No supported platform was detected")
endif()
#--------------------------------------------------------------------
# Find and add Unix math and time libraries
#--------------------------------------------------------------------
if (UNIX AND NOT APPLE)
find_library(RT_LIBRARY rt)
mark_as_advanced(RT_LIBRARY)
if (RT_LIBRARY)
list(APPEND glfw_LIBRARIES "${RT_LIBRARY}")
list(APPEND glfw_PKG_LIBS "-lrt")
endif()
find_library(MATH_LIBRARY m)
mark_as_advanced(MATH_LIBRARY)
if (MATH_LIBRARY)
list(APPEND glfw_LIBRARIES "${MATH_LIBRARY}")
list(APPEND glfw_PKG_LIBS "-lm")
endif()
if (CMAKE_DL_LIBS)
list(APPEND glfw_LIBRARIES "${CMAKE_DL_LIBS}")
list(APPEND glfw_PKG_LIBS "-l${CMAKE_DL_LIBS}")
endif()
endif()
#--------------------------------------------------------------------
# Use Win32 for window creation
#--------------------------------------------------------------------
if (_GLFW_WIN32)
list(APPEND glfw_PKG_LIBS "-lgdi32")
endif()
#--------------------------------------------------------------------
# Use X11 for window creation
#--------------------------------------------------------------------
if (_GLFW_X11)
find_package(X11 REQUIRED)
# Set up library and include paths
list(APPEND glfw_INCLUDE_DIRS "${X11_X11_INCLUDE_PATH}")
# Check for XRandR (modern resolution switching and gamma control)
if (NOT X11_Xrandr_INCLUDE_PATH)
message(FATAL_ERROR "RandR headers not found; install libxrandr development package")
endif()
# Check for Xinerama (legacy multi-monitor support)
if (NOT X11_Xinerama_INCLUDE_PATH)
message(FATAL_ERROR "Xinerama headers not found; install libxinerama development package")
endif()
# Check for Xkb (X keyboard extension)
if (NOT X11_Xkb_INCLUDE_PATH)
message(FATAL_ERROR "XKB headers not found; install X11 development package")
endif()
# Check for Xcursor (cursor creation from RGBA images)
if (NOT X11_Xcursor_INCLUDE_PATH)
message(FATAL_ERROR "Xcursor headers not found; install libxcursor development package")
endif()
# Check for XInput (modern HID input)
if (NOT X11_Xi_INCLUDE_PATH)
message(FATAL_ERROR "XInput headers not found; install libxi development package")
endif()
# Check for X Shape (custom window input shape)
if (NOT X11_Xshape_INCLUDE_PATH)
message(FATAL_ERROR "X Shape headers not found; install libxext development package")
endif()
endif()
#--------------------------------------------------------------------
# Use Wayland for window creation
#--------------------------------------------------------------------
if (_GLFW_WAYLAND)
include(FindPkgConfig)
pkg_check_modules(Wayland REQUIRED
wayland-client>=0.2.7
wayland-cursor>=0.2.7
wayland-egl>=0.2.7
xkbcommon)
list(APPEND glfw_INCLUDE_DIRS "${Wayland_INCLUDE_DIRS}")
if (NOT CMAKE_SYSTEM_NAME STREQUAL "Linux")
find_package(EpollShim)
if (EPOLLSHIM_FOUND)
list(APPEND glfw_INCLUDE_DIRS "${EPOLLSHIM_INCLUDE_DIRS}")
list(APPEND glfw_LIBRARIES "${EPOLLSHIM_LIBRARIES}")
endif()
endif()
endif()
#--------------------------------------------------------------------
# Use Cocoa for window creation and NSOpenGL for context creation
#--------------------------------------------------------------------
if (_GLFW_COCOA)
list(APPEND glfw_LIBRARIES
"-framework Cocoa"
"-framework IOKit"
"-framework CoreFoundation")
set(glfw_PKG_DEPS "")
set(glfw_PKG_LIBS "-framework Cocoa -framework IOKit -framework CoreFoundation")
endif()
#--------------------------------------------------------------------
# Add the Vulkan loader as a dependency if necessary
#--------------------------------------------------------------------
if (GLFW_VULKAN_STATIC)
if (BUILD_SHARED_LIBS)
# If you absolutely must do this, remove this line and add the Vulkan
# loader static library via the CMAKE_SHARED_LINKER_FLAGS
message(FATAL_ERROR "You are trying to link the Vulkan loader static library into the GLFW shared library")
endif()
list(APPEND glfw_PKG_DEPS "vulkan")
endif()
#--------------------------------------------------------------------
# Export GLFW library dependencies
#--------------------------------------------------------------------
foreach(arg ${glfw_PKG_DEPS})
string(APPEND deps " ${arg}")
endforeach()
foreach(arg ${glfw_PKG_LIBS})
string(APPEND libs " ${arg}")
endforeach()
set(GLFW_PKG_CONFIG_REQUIRES_PRIVATE "${deps}" CACHE INTERNAL
"GLFW pkg-config Requires.private")
set(GLFW_PKG_CONFIG_LIBS_PRIVATE "${libs}" CACHE INTERNAL
"GLFW pkg-config Libs.private")
#--------------------------------------------------------------------
# Create generated files
#--------------------------------------------------------------------
@@ -269,8 +126,6 @@ write_basic_package_version_file(src/glfw3ConfigVersion.cmake
VERSION ${GLFW_VERSION}
COMPATIBILITY SameMajorVersion)
configure_file(CMake/glfw3.pc.in src/glfw3.pc @ONLY)
#--------------------------------------------------------------------
# Add subdirectories
#--------------------------------------------------------------------