diff options
| -rw-r--r-- | CMakeLists.txt | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index df1dfe63..07454f15 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -577,7 +577,12 @@ ENDIF() # Check if we have Windows headers -CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H -D_WIN32_WINNT=0x0502) +SET(OLD_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}) +SET(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} -D_WIN32_WINNT=0x0502) +CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H) +SET(CMAKE_REQUIRED_DEFINITIONS ${OLD_REQUIRED_DEFINITIONS}) +UNSET(OLD_REQUIRED_DEFINITIONS) + IF(NOT HAVE_WINDOWS_H) CHECK_SYMBOL_EXISTS(gettimeofday sys/time.h HAVE_GETTIMEOFDAY) IF(NOT HAVE_GETTIMEOFDAY) @@ -975,8 +980,11 @@ OPTION(ALSOFT_REQUIRE_WINMM "Require Windows Multimedia backend" OFF) OPTION(ALSOFT_REQUIRE_DSOUND "Require DirectSound backend" OFF) OPTION(ALSOFT_REQUIRE_WASAPI "Require WASAPI backend" OFF) IF(HAVE_WINDOWS_H) + SET(OLD_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}) + SET(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} -D_WIN32_WINNT=0x0502) + # Check MMSystem backend - CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H -D_WIN32_WINNT=0x0502) + CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H) IF(HAVE_MMSYSTEM_H) CHECK_SHARED_FUNCTION_EXISTS(waveOutOpen "windows.h;mmsystem.h" winmm "" HAVE_LIBWINMM) IF(HAVE_LIBWINMM) @@ -1013,6 +1021,9 @@ IF(HAVE_WINDOWS_H) SET(ALC_OBJS ${ALC_OBJS} Alc/backends/wasapi.c) ENDIF() ENDIF() + + SET(CMAKE_REQUIRED_DEFINITIONS ${OLD_REQUIRED_DEFINITIONS}) + UNSET(OLD_REQUIRED_DEFINITIONS) ENDIF() IF(ALSOFT_REQUIRE_WINMM AND NOT HAVE_WINMM) MESSAGE(FATAL_ERROR "Failed to enabled required WinMM backend") |