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Workaround for 64-bit MP4 atoms.

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This commit is contained in:
Tsuda Kageyu
2014-08-04 23:45:59 +09:00
parent b1a8205561
commit f29c5f45f8
3 changed files with 42 additions and 26 deletions
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51
ConfigureChecks.cmake
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@ -20,6 +20,11 @@ if(NOT ${SIZEOF_INT} EQUAL 4)
MESSAGE(FATAL_ERROR "TagLib requires that int is 32-bit wide.")
endif()
check_type_size("long" SIZEOF_LONG)
if(${SIZEOF_LONG} EQUAL 8)
set(LONG_IS_INT64 1)
endif()
check_type_size("long long" SIZEOF_LONGLONG)
if(NOT ${SIZEOF_LONGLONG} EQUAL 8)
MESSAGE(FATAL_ERROR "TagLib requires that long long is 64-bit wide.")
@ -66,65 +71,65 @@ endif()
check_cxx_source_compiles("
#include <atomic>
int main() {
int main() {
std::atomic<unsigned int> x;
x.fetch_add(1);
x.fetch_sub(1);
return 0;
return 0;
}
" HAVE_STD_ATOMIC)
if(NOT HAVE_STD_ATOMIC)
check_cxx_source_compiles("
#include <boost/atomic.hpp>
int main() {
int main() {
boost::atomic<unsigned int> x(1);
x.fetch_add(1);
x.fetch_sub(1);
return 0;
return 0;
}
" HAVE_BOOST_ATOMIC)
if(NOT HAVE_BOOST_ATOMIC)
check_cxx_source_compiles("
int main() {
int main() {
volatile int x;
__sync_add_and_fetch(&x, 1);
int y = __sync_sub_and_fetch(&x, 1);
return 0;
return 0;
}
" HAVE_GCC_ATOMIC)
if(NOT HAVE_GCC_ATOMIC)
check_cxx_source_compiles("
#include <libkern/OSAtomic.h>
int main() {
int main() {
volatile int32_t x;
OSAtomicIncrement32Barrier(&x);
int32_t y = OSAtomicDecrement32Barrier(&x);
return 0;
return 0;
}
" HAVE_MAC_ATOMIC)
if(NOT HAVE_MAC_ATOMIC)
check_cxx_source_compiles("
#include <windows.h>
int main() {
int main() {
volatile LONG x;
InterlockedIncrement(&x);
LONG y = InterlockedDecrement(&x);
return 0;
return 0;
}
" HAVE_WIN_ATOMIC)
if(NOT HAVE_WIN_ATOMIC)
check_cxx_source_compiles("
#include <ia64intrin.h>
int main() {
int main() {
volatile int x;
__sync_add_and_fetch(&x, 1);
int y = __sync_sub_and_fetch(&x, 1);
return 0;
return 0;
}
" HAVE_IA64_ATOMIC)
endif()
@ -135,26 +140,26 @@ endif()
# Determine which kind of byte swap functions your compiler supports.
# GCC's __builtin_bswap* should be checked individually
# GCC's __builtin_bswap* should be checked individually
# because some of them can be missing depends on the GCC version.
check_cxx_source_compiles("
int main() {
__builtin_bswap16(0);
return 0;
return 0;
}
" HAVE_GCC_BYTESWAP_16)
check_cxx_source_compiles("
int main() {
__builtin_bswap32(0);
return 0;
return 0;
}
" HAVE_GCC_BYTESWAP_32)
check_cxx_source_compiles("
int main() {
__builtin_bswap64(0);
return 0;
return 0;
}
" HAVE_GCC_BYTESWAP_64)
@ -165,7 +170,7 @@ if(NOT HAVE_GCC_BYTESWAP_16 OR NOT HAVE_GCC_BYTESWAP_32 OR NOT HAVE_GCC_BYTESWAP
__bswap_16(0);
__bswap_32(0);
__bswap_64(0);
return 0;
return 0;
}
" HAVE_GLIBC_BYTESWAP)
@ -176,7 +181,7 @@ if(NOT HAVE_GCC_BYTESWAP_16 OR NOT HAVE_GCC_BYTESWAP_32 OR NOT HAVE_GCC_BYTESWAP
_byteswap_ushort(0);
_byteswap_ulong(0);
_byteswap_uint64(0);
return 0;
return 0;
}
" HAVE_MSC_BYTESWAP)
@ -187,7 +192,7 @@ if(NOT HAVE_GCC_BYTESWAP_16 OR NOT HAVE_GCC_BYTESWAP_32 OR NOT HAVE_GCC_BYTESWAP
OSSwapInt16(0);
OSSwapInt32(0);
OSSwapInt64(0);
return 0;
return 0;
}
" HAVE_MAC_BYTESWAP)
@ -198,7 +203,7 @@ if(NOT HAVE_GCC_BYTESWAP_16 OR NOT HAVE_GCC_BYTESWAP_32 OR NOT HAVE_GCC_BYTESWAP
swap16(0);
swap32(0);
swap64(0);
return 0;
return 0;
}
" HAVE_OPENBSD_BYTESWAP)
endif()
@ -224,9 +229,9 @@ endif()
check_cxx_source_compiles("
#include <codecvt>
int main() {
std::codecvt_utf8_utf16<wchar_t> x;
return 0;
int main() {
std::codecvt_utf8_utf16<wchar_t> x;
return 0;
}
" HAVE_STD_CODECVT)