mirror of
https://github.com/taglib/taglib.git
synced 2025-05-25 20:20:25 -04:00
110 lines
2.5 KiB
CMake
110 lines
2.5 KiB
CMake
include(CheckLibraryExists)
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include(CheckTypeSize)
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include(CheckCXXSourceCompiles)
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# Check if the size of numeric types are suitable.
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check_type_size("short" SIZEOF_SHORT)
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if(NOT ${SIZEOF_SHORT} EQUAL 2)
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message(FATAL_ERROR "TagLib requires that short is 16-bit wide.")
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endif()
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check_type_size("int" SIZEOF_INT)
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if(NOT ${SIZEOF_INT} EQUAL 4)
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message(FATAL_ERROR "TagLib requires that int is 32-bit wide.")
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endif()
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check_type_size("long long" SIZEOF_LONGLONG)
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if(NOT ${SIZEOF_LONGLONG} EQUAL 8)
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message(FATAL_ERROR "TagLib requires that long long is 64-bit wide.")
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endif()
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check_type_size("wchar_t" SIZEOF_WCHAR_T)
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if(${SIZEOF_WCHAR_T} LESS 2)
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message(FATAL_ERROR "TagLib requires that wchar_t is sufficient to store a UTF-16 char.")
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endif()
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check_type_size("float" SIZEOF_FLOAT)
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if(NOT ${SIZEOF_FLOAT} EQUAL 4)
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message(FATAL_ERROR "TagLib requires that float is 32-bit wide.")
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endif()
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check_type_size("double" SIZEOF_DOUBLE)
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if(NOT ${SIZEOF_DOUBLE} EQUAL 8)
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message(FATAL_ERROR "TagLib requires that double is 64-bit wide.")
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endif()
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# Determine which kind of byte swap functions your compiler supports.
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check_cxx_source_compiles("
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int main() {
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__builtin_bswap16(0);
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__builtin_bswap32(0);
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__builtin_bswap64(0);
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return 0;
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}
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" HAVE_GCC_BYTESWAP)
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if(NOT HAVE_GCC_BYTESWAP)
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check_cxx_source_compiles("
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#include <byteswap.h>
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int main() {
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__bswap_16(0);
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__bswap_32(0);
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__bswap_64(0);
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return 0;
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}
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" HAVE_GLIBC_BYTESWAP)
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if(NOT HAVE_GLIBC_BYTESWAP)
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check_cxx_source_compiles("
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#include <cstdlib>
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int main() {
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_byteswap_ushort(0);
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_byteswap_ulong(0);
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_byteswap_uint64(0);
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return 0;
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}
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" HAVE_MSC_BYTESWAP)
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if(NOT HAVE_MSC_BYTESWAP)
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check_cxx_source_compiles("
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#include <libkern/OSByteOrder.h>
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int main() {
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OSSwapInt16(0);
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OSSwapInt32(0);
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OSSwapInt64(0);
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return 0;
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}
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" HAVE_MAC_BYTESWAP)
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if(NOT HAVE_MAC_BYTESWAP)
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check_cxx_source_compiles("
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#include <sys/endian.h>
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int main() {
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swap16(0);
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swap32(0);
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swap64(0);
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return 0;
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}
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" HAVE_OPENBSD_BYTESWAP)
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endif()
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endif()
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endif()
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endif()
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# Determine whether your compiler supports ISO _strdup.
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check_cxx_source_compiles("
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#include <cstring>
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int main() {
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_strdup(0);
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return 0;
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}
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" HAVE_ISO_STRDUP)
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# Detect WinRT mode
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if(CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
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set(PLATFORM_WINRT 1)
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endif()
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