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-rw-r--r--rts/rts.cabal.in8
1 files changed, 8 insertions, 0 deletions
diff --git a/rts/rts.cabal.in b/rts/rts.cabal.in
index 7895ae26f5..ebbd9a9e71 100644
--- a/rts/rts.cabal.in
+++ b/rts/rts.cabal.in
@@ -97,6 +97,14 @@ library
dbghelp
-- for process information
psapi
+ -- Minimum supported Windows version.
+ -- These numbers can be found at:
+ -- https://msdn.microsoft.com/en-us/library/windows/desktop/aa383745(v=vs.85).aspx
+ -- If we're compiling on windows, enforce that we only support Windows 7+
+ -- Adding this here means it doesn't have to be done in individual .c files
+ -- and also centralizes the versioning.
+ cpp-options: -D_WIN32_WINNT=0x06010000
+ cc-options: -D_WIN32_WINNT=0x06010000
if flag(need-pthread)
-- for pthread_getthreadid_np, pthread_create, ...
extra-libraries: pthread