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[build] Fix downversioning of _WIN32_WINNT (#2754).
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robUx4 committed Jun 29, 2023
1 parent 9448e26 commit 421f4e1
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Showing 2 changed files with 17 additions and 1 deletion.
8 changes: 7 additions & 1 deletion CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -299,7 +299,13 @@ if(WIN32)
if(ENABLE_INET_PTON)
set(CMAKE_REQUIRED_LIBRARIES ws2_32)
check_function_exists(inet_pton HAVE_INET_PTON)
add_definitions(-D_WIN32_WINNT=0x0600)
try_compile(AT_LEAST_VISTA
${CMAKE_BINARY_DIR}
"${CMAKE_CURRENT_SOURCE_DIR}/scripts/test_vista.c")
if(NOT AT_LEAST_VISTA)
# force targeting Vista
add_definitions(-D_WIN32_WINNT=0x0600)
endif()
else()
add_definitions(-D_WIN32_WINNT=0x0501)
endif()
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10 changes: 10 additions & 0 deletions scripts/test_vista.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
/* Copyright © 2023 Steve Lhomme */
/* SPDX-License-Identifier: ISC */
#include <windows.h>
#if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600 /* _WIN32_WINNT_VISTA */
#error NOPE
#endif
int main(void)
{
return 0;
}

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