define _POSIX_C_SOURCE=1 on windows

Fixes "undefined reference to `localtime_r`" in, e.g., Vala's GLib.Time.local
when building on mingw-w64.
This commit is contained in:
mjk 2022-01-16 13:47:30 +00:00 committed by LAGonauta
parent 733d612b18
commit 43fd04ce41

View file

@ -179,6 +179,7 @@ if (NOT NO_DEBUG)
endif (NOT NO_DEBUG)
if (WIN32)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_POSIX_C_SOURCE=1")
set(CMAKE_VALA_FLAGS "${CMAKE_VALA_FLAGS} --define=_WIN32")
endif(WIN32)