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cmake: use CMakePushCheckState to handle check states

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This commit is contained in:
Anonymous Maarten
2022-12-18 21:48:24 +01:00
committed by Sam Lantinga
parent fab33545fa
commit 8f9227e4be
2 changed files with 60 additions and 62 deletions
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28
cmake/sdlchecks.cmake
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@@ -42,11 +42,12 @@ macro(FindLibraryAndSONAME _LIB)
endmacro()
macro(CheckDLOPEN)
cmake_push_check_state()
check_symbol_exists(dlopen "dlfcn.h" HAVE_DLOPEN_IN_LIBC)
if(NOT HAVE_DLOPEN_IN_LIBC)
set(CMAKE_REQUIRED_LIBRARIES dl)
cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_LIBRARIES dl)
check_symbol_exists(dlopen "dlfcn.h" HAVE_DLOPEN_IN_LIBDL)
cmake_pop_check_state()
if(HAVE_DLOPEN_IN_LIBDL)
list(APPEND EXTRA_LIBS dl)
endif()
@@ -54,7 +55,6 @@ macro(CheckDLOPEN)
if(HAVE_DLOPEN_IN_LIBC OR HAVE_DLOPEN_IN_LIBDL)
set(HAVE_DLOPEN TRUE)
endif()
cmake_pop_check_state()
endmacro()
macro(CheckO_CLOEXEC)
@@ -385,7 +385,7 @@ macro(CheckX11)
list(APPEND EXTRA_LIBS ${X11_LIB} ${XEXT_LIB})
endif()
set(CMAKE_REQUIRED_LIBRARIES ${X11_LIB} ${X11_LIB})
list(APPEND CMAKE_REQUIRED_LIBRARIES ${X11_LIB})
check_c_source_compiles("
#include <X11/Xlib.h>
@@ -487,8 +487,6 @@ macro(CheckX11)
set(SDL_VIDEO_DRIVER_X11_XSHAPE 1)
set(HAVE_X11_XSHAPE TRUE)
endif()
set(CMAKE_REQUIRED_LIBRARIES)
endif()
endif()
if(NOT HAVE_X11)
@@ -749,6 +747,7 @@ endmacro()
# PTHREAD_CFLAGS
# PTHREAD_LIBS
macro(CheckPTHREAD)
cmake_push_check_state()
if(SDL_THREADS AND SDL_PTHREADS)
if(ANDROID)
# the android libc provides built-in support for pthreads, so no
@@ -797,7 +796,6 @@ macro(CheckPTHREAD)
endif()
# Run some tests
set(ORIG_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${PTHREAD_CFLAGS} ${PTHREAD_LDFLAGS}")
check_c_source_compiles("
#include <pthread.h>
@@ -881,8 +879,8 @@ macro(CheckPTHREAD)
endif()
set(HAVE_SDL_THREADS TRUE)
endif()
set(CMAKE_REQUIRED_FLAGS "${ORIG_CMAKE_REQUIRED_FLAGS}")
endif()
cmake_pop_check_state()
endmacro()
# Requires
@@ -892,6 +890,7 @@ endmacro()
# USB_LIBS
# USB_CFLAGS
macro(CheckUSBHID)
cmake_push_check_state()
check_library_exists(usbhid hid_init "" LIBUSBHID)
if(LIBUSBHID)
check_include_file(usbhid.h HAVE_USBHID_H)
@@ -919,9 +918,8 @@ macro(CheckUSBHID)
endif()
endif()
set(ORIG_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${USB_CFLAGS}")
set(CMAKE_REQUIRED_LIBRARIES "${USB_LIBS}")
list(APPEND CMAKE_REQUIRED_LIBRARIES ${USB_LIBS})
check_c_source_compiles("
#include <sys/types.h>
#if defined(HAVE_USB_H)
@@ -1020,9 +1018,8 @@ macro(CheckUSBHID)
list(APPEND EXTRA_LIBS ${USB_LIBS})
set(HAVE_SDL_JOYSTICK TRUE)
set(CMAKE_REQUIRED_LIBRARIES)
set(CMAKE_REQUIRED_FLAGS "${ORIG_CMAKE_REQUIRED_FLAGS}")
endif()
cmake_pop_check_state()
endmacro()
# Check for HIDAPI support
@@ -1093,9 +1090,9 @@ macro(CheckRPI)
listtostr(VIDEO_RPI_INCLUDE_DIRS VIDEO_RPI_INCLUDE_FLAGS "-I")
listtostr(VIDEO_RPI_LIBRARY_DIRS VIDEO_RPI_LIBRARY_FLAGS "-L")
set(ORIG_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
cmake_push_check_state()
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${VIDEO_RPI_INCLUDE_FLAGS} ${VIDEO_RPI_LIBRARY_FLAGS}")
set(CMAKE_REQUIRED_LIBRARIES "${VIDEO_RPI_LIBRARIES}")
list(APPEND CMAKE_REQUIRED_LIBRARIES ${VIDEO_RPI_LIBRARIES})
check_c_source_compiles("
#include <bcm_host.h>
#include <EGL/eglplatform.h>
@@ -1103,8 +1100,7 @@ macro(CheckRPI)
EGL_DISPMANX_WINDOW_T window;
bcm_host_init();
}" HAVE_RPI)
set(CMAKE_REQUIRED_FLAGS "${ORIG_CMAKE_REQUIRED_FLAGS}")
set(CMAKE_REQUIRED_LIBRARIES)
cmake_pop_check_state()
if(SDL_VIDEO AND HAVE_RPI)
set(HAVE_SDL_VIDEO TRUE)