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cmake: Make test code use proper C main functions.

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Fixes #5021.
This commit is contained in:
Ryan C. Gordon
2022-03-13 12:10:52 -04:00
parent 072db7b005
commit 3ab739afff
2 changed files with 43 additions and 39 deletions
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29
cmake/sdlchecks.cmake
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@@ -48,6 +48,7 @@ macro(CheckDLOPEN)
int main(int argc, char **argv) {
void *handle = dlopen(\"\", RTLD_NOW);
const char *loaderror = (char *) dlerror();
return 0;
}" HAVE_DLOPEN)
set(CMAKE_REQUIRED_LIBRARIES)
endif()
@@ -57,8 +58,7 @@ macro(CheckO_CLOEXEC)
check_c_source_compiles("
#include <fcntl.h>
int flag = O_CLOEXEC;
int main(void) {
}" HAVE_O_CLOEXEC)
int main(int argc, char **argv) { return 0; }" HAVE_O_CLOEXEC)
endmacro()
# Requires:
@@ -68,12 +68,12 @@ macro(CheckOSS)
set(OSS_HEADER_FILE "sys/soundcard.h")
check_c_source_compiles("
#include <sys/soundcard.h>
int main() { int arg = SNDCTL_DSP_SETFRAGMENT; }" OSS_FOUND)
int main(int argc, char **argv) { int arg = SNDCTL_DSP_SETFRAGMENT; return 0; }" OSS_FOUND)
if(NOT OSS_FOUND)
set(OSS_HEADER_FILE "soundcard.h")
check_c_source_compiles("
#include <soundcard.h>
int main() { int arg = SNDCTL_DSP_SETFRAGMENT; }" OSS_FOUND)
int main(int argc, char **argv) { int arg = SNDCTL_DSP_SETFRAGMENT; return 0; }" OSS_FOUND)
endif()
if(OSS_FOUND)
@@ -481,7 +481,8 @@ macro(CheckX11)
XGenericEventCookie *cookie = &event.xcookie;
XNextEvent(display, &event);
XGetEventData(display, cookie);
XFreeEventData(display, cookie); }" HAVE_XGENERICEVENT)
XFreeEventData(display, cookie);
return 0; }" HAVE_XGENERICEVENT)
if(HAVE_XGENERICEVENT)
set(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS 1)
endif()
@@ -533,7 +534,7 @@ macro(CheckX11)
{
return (Status)0;
}
int main(int argc, char **argv) {}" HAVE_XINPUT2_MULTITOUCH)
int main(int argc, char **argv) { return 0; }" HAVE_XINPUT2_MULTITOUCH)
if(HAVE_XINPUT2_MULTITOUCH)
set(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH 1)
endif()
@@ -547,7 +548,7 @@ macro(CheckX11)
#include <X11/extensions/XInput2.h>
#include <X11/extensions/Xfixes.h>
BarrierEventID b;
int main(void) { }" HAVE_XFIXES_H)
int main(int argc, char **argv) { return 0; }" HAVE_XFIXES_H)
endif()
if(SDL_X11_XFIXES AND HAVE_XFIXES_H AND HAVE_XINPUT2_H)
if(HAVE_X11_SHARED AND XFIXES_LIB)
@@ -777,12 +778,12 @@ macro(CheckVivante)
if(SDL_VIVANTE)
check_c_source_compiles("
#include <gc_vdk.h>
int main(int argc, char** argv) {}" HAVE_VIVANTE_VDK)
int main(int argc, char** argv) { return 0; }" HAVE_VIVANTE_VDK)
check_c_source_compiles("
#define LINUX
#define EGL_API_FB
#include <EGL/eglvivante.h>
int main(int argc, char** argv) {}" HAVE_VIVANTE_EGL_FB)
int main(int argc, char** argv) { return 0; }" HAVE_VIVANTE_EGL_FB)
if(HAVE_VIVANTE_VDK OR HAVE_VIVANTE_EGL_FB)
set(HAVE_VIVANTE TRUE)
set(HAVE_SDL_VIDEO TRUE)
@@ -807,7 +808,7 @@ macro(CheckGLX)
if(SDL_OPENGL)
check_c_source_compiles("
#include <GL/glx.h>
int main(int argc, char** argv) {}" HAVE_OPENGL_GLX)
int main(int argc, char** argv) { return 0; }" HAVE_OPENGL_GLX)
if(HAVE_OPENGL_GLX)
set(SDL_VIDEO_OPENGL_GLX 1)
endif()
@@ -826,7 +827,7 @@ macro(CheckEGL)
#define EGL_NO_X11
#include <EGL/egl.h>
#include <EGL/eglext.h>
int main (int argc, char** argv) {}" HAVE_OPENGL_EGL)
int main (int argc, char** argv) { return 0; }" HAVE_OPENGL_EGL)
if(HAVE_OPENGL_EGL)
set(SDL_VIDEO_OPENGL_EGL 1)
endif()
@@ -840,7 +841,7 @@ macro(CheckOpenGL)
check_c_source_compiles("
#include <GL/gl.h>
#include <GL/glext.h>
int main(int argc, char** argv) {}" HAVE_OPENGL)
int main(int argc, char** argv) { return 0; }" HAVE_OPENGL)
if(HAVE_OPENGL)
set(SDL_VIDEO_OPENGL 1)
set(SDL_VIDEO_RENDER_OGL 1)
@@ -855,7 +856,7 @@ macro(CheckOpenGLES)
check_c_source_compiles("
#include <GLES/gl.h>
#include <GLES/glext.h>
int main (int argc, char** argv) {}" HAVE_OPENGLES_V1)
int main (int argc, char** argv) { return 0; }" HAVE_OPENGLES_V1)
if(HAVE_OPENGLES_V1)
set(HAVE_OPENGLES TRUE)
set(SDL_VIDEO_OPENGL_ES 1)
@@ -864,7 +865,7 @@ macro(CheckOpenGLES)
check_c_source_compiles("
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
int main (int argc, char** argv) {}" HAVE_OPENGLES_V2)
int main (int argc, char** argv) { return 0; }" HAVE_OPENGLES_V2)
if(HAVE_OPENGLES_V2)
set(HAVE_OPENGLES TRUE)
set(SDL_VIDEO_OPENGL_ES2 1)