pcsx2/cmake/ApiValidation.cmake

144 lines
3.1 KiB
CMake

set(wx_sdl_c_code "
#include <wx/setup.h>
#if (wxUSE_LIBSDL == 0)
#error cmake_WX_SDL
#endif
int main()
{
return 0;
}
")
set(gcc7_mmx_code "
#include <stdio.h>
#include <stdint.h>
#include <xmmintrin.h>
#include <emmintrin.h>
class alignas(16) GSVector4i
{
public:
__m128i m;
explicit GSVector4i(__m128i m)
{
this->m = m;
}
static void storel(void* p, const GSVector4i& v)
{
_mm_storel_epi64((__m128i*)p, v.m);
}
static GSVector4i loadl(const void* p)
{
return GSVector4i(_mm_loadl_epi64((__m128i*)p));
}
bool eq(const GSVector4i& v) const
{
return _mm_movemask_epi8(_mm_cmpeq_epi32(m, v.m)) == 0xffff;
}
};
union GIFRegTRXPOS
{
unsigned long long u64;
void operator = (const GSVector4i& v) {GSVector4i::storel(this, v);}
bool operator != (const union GIFRegTRXPOS& r) const {return !((GSVector4i)r).eq(*this);}
operator GSVector4i() const {return GSVector4i::loadl(this);}
};
extern GIFRegTRXPOS TRXPOS;
GIFRegTRXPOS TRXPOS = {};
void GIFRegHandlerTRXPOS(const GIFRegTRXPOS& p)
{
if(p != TRXPOS)
{
printf(\"foo\");
}
TRXPOS = (GSVector4i)p;
}
int main()
{
GIFRegTRXPOS r = {};
GIFRegHandlerTRXPOS(r);
uint16_t fpu[16] = {0};
__asm__ __volatile__(\"fstenv %0\" : \"=m\"(fpu));
bool ok = fpu[4] == 0xFFFF;
if (!ok) {
printf(\"Wrong MMX state !\");
exit(1);
}
return 0;
}
")
function(WX_vs_SDL)
file(WRITE "${CMAKE_BINARY_DIR}/wx_sdl.c" "${wx_sdl_c_code}")
enable_language(C)
try_compile(
wx_linked_to_sdl
"${CMAKE_BINARY_DIR}"
"${CMAKE_BINARY_DIR}/wx_sdl.c"
CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:STRING=${wxWidgets_INCLUDE_DIRS}"
LINK_LIBRARIES "${wxWidgets_LIBRARIES}"
COPY_FILE "${CMAKE_BINARY_DIR}/wx_sdl"
)
if (NOT wx_linked_to_sdl)
return()
endif()
execute_process(
COMMAND ldd "${CMAKE_BINARY_DIR}/wx_sdl"
COMMAND grep -c SDL2
OUTPUT_VARIABLE sdl2_count
)
if (SDL2_API AND sdl2_count STREQUAL "0")
message(FATAL_ERROR "wxWidgets is linked to SDL1.2. Please use -DSDL2_API=FALSE.")
elseif (NOT SDL2_API AND NOT sdl2_count STREQUAL "0")
message(FATAL_ERROR "wxWidgets is linked to SDL2. Please use -DSDL2_API=TRUE")
endif()
endfunction()
function(GCC7_BUG)
# try_run doesn't work when cross-compiling is enabled. It is completely silly in our case
# as i386 binaries are 100% fine on x64.
set(OLD_CMAKE_CROSSCOMPILING ${CMAKE_CROSSCOMPILING})
set(CMAKE_CROSSCOMPILING 0)
set(IN "${CMAKE_BINARY_DIR}/gcc7_mmx.cpp")
file(WRITE "${IN}" "${gcc7_mmx_code}")
enable_language(CXX)
try_run(
run_result
compile_result_unused
"${CMAKE_BINARY_DIR}"
"${IN}"
CMAKE_FLAGS "-DCOMPILE_DEFINITIONS:STRING=-msse -msse2 -O2 -m32 -march=i686"
)
if (${run_result})
message(FATAL_ERROR "GCC 7.0/7.1 generates invalid code => https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80799\n"
"You can either backport the fix or swith to another version of GCC.")
endif()
set(CMAKE_CROSSCOMPILING ${OLD_CMAKE_CROSSCOMPILING})
endfunction()