diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 1dca028c..f859a7d0 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -207,6 +207,24 @@ if (NOT WIN32 AND NOT CYGWIN) endif () endif () +# Detect endianness -- this only handles little and big endian. +# PDP users, sorry, but you're out of luck.' +if (DEFINED CMAKE_LANG_C_BYTE_ORDER) + if (CMAKE_LANG_BYTE_ORDER EQUAL BIG_ENDIAN) + add_definitions(-DNNG_BIG_ENDIAN=1) + else() + add_definitions(-DNNG_LITTLE_ENDIAN=1) + endif() +else() + include(TestBigEndian) + test_big_endian(NNG_BIG_ENDIAN) + if (NNG_BIG_ENDIAN) + add_definitions(-DNNG_BIG_EDNDIAN=1) + else() + add_definitions(-DNNG_LITTLE_ENDIAN=1) + endif() +endif() + if (CMAKE_SYSTEM_NAME MATCHES "Linux") add_definitions(-DNNG_PLATFORM_POSIX) add_definitions(-DNNG_PLATFORM_LINUX) |