Remove some unnecessary header checks

1 files changed, 5 insertions, 19 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 258a05af..5d274626 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -414,13 +414,9 @@ CHECK_C_SOURCE_COMPILES("int foo(const char *str, ...) __attribute__((format(pri
 
 CHECK_INCLUDE_FILE(malloc.h HAVE_MALLOC_H)
 CHECK_INCLUDE_FILE(dirent.h HAVE_DIRENT_H)
-CHECK_INCLUDE_FILE(strings.h HAVE_STRINGS_H)
 CHECK_INCLUDE_FILE(cpuid.h HAVE_CPUID_H)
 CHECK_INCLUDE_FILE(intrin.h HAVE_INTRIN_H)
 CHECK_INCLUDE_FILE(sys/sysconf.h HAVE_SYS_SYSCONF_H)
-CHECK_INCLUDE_FILE(fenv.h HAVE_FENV_H)
-CHECK_INCLUDE_FILE(float.h HAVE_FLOAT_H)
-CHECK_INCLUDE_FILE(ieeefp.h HAVE_IEEEFP_H)
 CHECK_INCLUDE_FILE(guiddef.h HAVE_GUIDDEF_H)
 IF(NOT HAVE_GUIDDEF_H)
     CHECK_INCLUDE_FILE(initguid.h HAVE_INITGUID_H)
@@ -505,14 +501,7 @@ IF(NOT HAVE_STRNCASECMP)
 ENDIF()
 
 
-# Check if we have Windows headers
-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)
+IF(NOT WIN32)
     CHECK_SYMBOL_EXISTS(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
     IF(NOT HAVE_GETTIMEOFDAY)
         MESSAGE(FATAL_ERROR "No timing function found!")
@@ -606,12 +595,9 @@ ENDIF()
 CHECK_SYMBOL_EXISTS(getopt unistd.h HAVE_GETOPT)
 
 # Check for a 64-bit type
-CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
-IF(NOT HAVE_STDINT_H)
-    IF(NOT SIZEOF_LONG MATCHES "8")
-        IF(NOT SIZEOF_LONG_LONG MATCHES "8")
-            MESSAGE(FATAL_ERROR "No 64-bit types found, please report!")
-        ENDIF()
+IF(NOT SIZEOF_LONG MATCHES "8")
+    IF(NOT SIZEOF_LONG_LONG MATCHES "8")
+        MESSAGE(FATAL_ERROR "No 64-bit type found, please report!")
     ENDIF()
 ENDIF()
 
@@ -929,7 +915,7 @@ ENDIF()
 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)
+IF(WIN32)
     SET(WINSDK_LIB_DIRS )
     SET(WINSDK_INCLUDE_DIRS )
     FIND_PACKAGE(WindowsSDK)