diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 0abf1df7..e6242dc3 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -551,6 +551,10 @@ else() message(STATUS "Unknown architecture") endif() +# +# POSIX conformance +# + # clock_gettime came in POSIX.1b (1993) # CLOCK_MONOTONIC came in POSIX.1-2001 / SUSv3 as optional # posix_memalign came in POSIX.1-2001 / SUSv3 @@ -560,39 +564,39 @@ add_compile_definitions(_XOPEN_SOURCE=600) # Somehow in OpenBSD whenever POSIX conformance is specified # some string functions rely on locale_t availability, # which was introduced in POSIX.1-2008, forcing us to go higher -IF (CMAKE_SYSTEM_NAME MATCHES "OpenBSD") +if (CMAKE_SYSTEM_NAME MATCHES "OpenBSD") remove_definitions(-D_XOPEN_SOURCE=600) add_compile_definitions(_XOPEN_SOURCE=700) -ENDIF() +endif() # Data types, macros and functions related to controlling CPU affinity and # some memory allocation are available on Linux through GNU extensions in libc -IF (CMAKE_SYSTEM_NAME MATCHES "Linux") +if (CMAKE_SYSTEM_NAME MATCHES "Linux") add_compile_definitions(_GNU_SOURCE) -ENDIF() +endif() # RLIMIT_MEMLOCK came in BSD, is not specified in POSIX.1, # and on macOS its availability depends on enabling Darwin extensions # similarly on DragonFly, enabling BSD extensions is necessary -IF (CMAKE_SYSTEM_NAME MATCHES "Darwin") +if (CMAKE_SYSTEM_NAME MATCHES "Darwin") add_compile_definitions(_DARWIN_C_SOURCE) -ENDIF() -IF (CMAKE_SYSTEM_NAME MATCHES "DragonFly") +endif() +if (CMAKE_SYSTEM_NAME MATCHES "DragonFly") add_compile_definitions(_DARWIN_C_SOURCE) -ENDIF() +endif() # alloca is a non-standard interface that is not visible on BSDs when # POSIX conformance is specified, but not all of them provide a clean way # to enable it in such cases -IF (CMAKE_SYSTEM_NAME MATCHES "FreeBSD") +if (CMAKE_SYSTEM_NAME MATCHES "FreeBSD") add_compile_definitions(__BSD_VISIBLE) -ENDIF() -IF (CMAKE_SYSTEM_NAME MATCHES "NetBSD") +endif() +if (CMAKE_SYSTEM_NAME MATCHES "NetBSD") add_compile_definitions(_NETBSD_SOURCE) -ENDIF() -IF (CMAKE_SYSTEM_NAME MATCHES "OpenBSD") +endif() +if (CMAKE_SYSTEM_NAME MATCHES "OpenBSD") add_compile_definitions(_BSD_SOURCE) -ENDIF() +endif() # # libraries |