[CMake] Remove some unneeded HAVE_*_H

llvm/cmake/config-ix.cmake

@@ -22,13 +22,9 @@ if (ANDROID OR CYGWIN OR CMAKE_SYSTEM_NAME MATCHES "AIX|DragonFly|FreeBSD|Haiku|
   set(HAVE_MACH_MACH_H 0)
   set(HAVE_MALLOC_MALLOC_H 0)
   set(HAVE_PTHREAD_H 1)
-  set(HAVE_SIGNAL_H 1)
   set(HAVE_SYS_IOCTL_H 1)
   set(HAVE_SYS_MMAN_H 1)
-  set(HAVE_SYS_PARAM_H 1)
   set(HAVE_SYS_RESOURCE_H 1)
-  set(HAVE_SYS_STAT_H 1)
-  set(HAVE_SYS_TIME_H 1)
   set(HAVE_SYSEXITS_H 1)
   set(HAVE_TERMIOS_H 1)
   set(HAVE_UNISTD_H 1)
@@ -37,13 +33,9 @@ elseif (APPLE)
   set(HAVE_MACH_MACH_H 1)
   set(HAVE_MALLOC_MALLOC_H 1)
   set(HAVE_PTHREAD_H 1)
-  set(HAVE_SIGNAL_H 1)
   set(HAVE_SYS_IOCTL_H 1)
   set(HAVE_SYS_MMAN_H 1)
-  set(HAVE_SYS_PARAM_H 1)
   set(HAVE_SYS_RESOURCE_H 1)
-  set(HAVE_SYS_STAT_H 1)
-  set(HAVE_SYS_TIME_H 1)
   set(HAVE_SYSEXITS_H 1)
   set(HAVE_TERMIOS_H 1)
   set(HAVE_UNISTD_H 1)
@@ -52,13 +44,9 @@ elseif (PURE_WINDOWS)
   set(HAVE_MACH_MACH_H 0)
   set(HAVE_MALLOC_MALLOC_H 0)
   set(HAVE_PTHREAD_H 0)
-  set(HAVE_SIGNAL_H 1)
   set(HAVE_SYS_IOCTL_H 0)
   set(HAVE_SYS_MMAN_H 0)
-  set(HAVE_SYS_PARAM_H 0)
   set(HAVE_SYS_RESOURCE_H 0)
-  set(HAVE_SYS_STAT_H 1)
-  set(HAVE_SYS_TIME_H 0)
   set(HAVE_SYSEXITS_H 0)
   set(HAVE_TERMIOS_H 0)
   set(HAVE_UNISTD_H 0)
@@ -69,13 +57,9 @@ elseif (ZOS)
   set(HAVE_MACH_MACH_H 0)
   set(HAVE_MALLOC_MALLOC_H 0)
   set(HAVE_PTHREAD_H 1)
-  set(HAVE_SIGNAL_H 1)
   set(HAVE_SYS_IOCTL_H 1)
   set(HAVE_SYS_MMAN_H 1)
-  set(HAVE_SYS_PARAM_H 0)
   set(HAVE_SYS_RESOURCE_H 1)
-  set(HAVE_SYS_STAT_H 1)
-  set(HAVE_SYS_TIME_H 1)
   set(HAVE_SYSEXITS_H 0)
   set(HAVE_TERMIOS_H 1)
   set(HAVE_UNISTD_H 1)
@@ -85,13 +69,9 @@ else()
   check_include_file(mach/mach.h HAVE_MACH_MACH_H)
   check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H)
   check_include_file(pthread.h HAVE_PTHREAD_H)
-  check_include_file(signal.h HAVE_SIGNAL_H)
   check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H)
   check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
-  check_include_file(sys/param.h HAVE_SYS_PARAM_H)
   check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H)
-  check_include_file(sys/stat.h HAVE_SYS_STAT_H)
-  check_include_file(sys/time.h HAVE_SYS_TIME_H)
   check_include_file(sysexits.h HAVE_SYSEXITS_H)
   check_include_file(termios.h HAVE_TERMIOS_H)
   check_include_file(unistd.h HAVE_UNISTD_H)
@@ -364,7 +344,7 @@ check_symbol_exists(futimes sys/time.h HAVE_FUTIMES)
 # Avoid sigaltstack on Apple platforms, where backtrace() cannot handle it
 # (rdar://7089625) and _Unwind_Backtrace is unusable because it cannot unwind
 # past the signal handler after an assertion failure (rdar://29866587).
-if( HAVE_SIGNAL_H AND NOT LLVM_USE_SANITIZER MATCHES ".*Address.*" AND NOT APPLE )
+if( NOT LLVM_USE_SANITIZER MATCHES ".*Address.*" AND NOT APPLE )
   check_symbol_exists(sigaltstack signal.h HAVE_SIGALTSTACK)
 endif()
 check_symbol_exists(mallctl malloc_np.h HAVE_MALLCTL)

llvm/include/llvm/Config/config.h.cmake

@@ -171,9 +171,6 @@
 /* Define to 1 if you have the `sigaltstack' function. */
 #cmakedefine HAVE_SIGALTSTACK ${HAVE_SIGALTSTACK}
 
-/* Define to 1 if you have the <signal.h> header file. */
-#cmakedefine HAVE_SIGNAL_H ${HAVE_SIGNAL_H}
-
 /* Define to 1 if you have the `strerror_r' function. */
 #cmakedefine HAVE_STRERROR_R ${HAVE_STRERROR_R}
 
@@ -189,9 +186,6 @@
 /* Define to 1 if you have the <sys/resource.h> header file. */
 #cmakedefine HAVE_SYS_RESOURCE_H ${HAVE_SYS_RESOURCE_H}
 
-/* Define to 1 if you have the <sys/time.h> header file. */
-#cmakedefine HAVE_SYS_TIME_H ${HAVE_SYS_TIME_H}
-
 /* Define to 1 if stat struct has st_mtimespec member .*/
 #cmakedefine HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC ${HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC}
 

llvm/lib/Support/Unix/Process.inc

@@ -18,16 +18,12 @@
 #include <mutex>
 #include <optional>
 #include <fcntl.h>
-#ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
-#endif
 #ifdef HAVE_SYS_RESOURCE_H
 #include <sys/resource.h>
 #endif
 #include <sys/stat.h>
-#if HAVE_SIGNAL_H
 #include <signal.h>
-#endif
 #if defined(HAVE_MALLINFO) || defined(HAVE_MALLINFO2)
 #include <malloc.h>
 #endif

llvm/lib/Support/Unix/Program.inc

@@ -32,9 +32,7 @@
 #if HAVE_SYS_RESOURCE_H
 #include <sys/resource.h>
 #endif
-#if HAVE_SIGNAL_H
 #include <signal.h>
-#endif
 #include <fcntl.h>
 #if HAVE_UNISTD_H
 #include <unistd.h>

llvm/lib/Support/Unix/Signals.inc

@@ -50,9 +50,7 @@
 #ifdef HAVE_BACKTRACE
 #include BACKTRACE_HEADER // For backtrace().
 #endif
-#if HAVE_SIGNAL_H
 #include <signal.h>
-#endif
 #include <sys/stat.h>
 #if HAVE_DLFCN_H
 #include <dlfcn.h>

llvm/lib/Support/Unix/Unix.h

@@ -36,9 +36,7 @@
 #include <unistd.h>
 #endif
 
-#ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
-#endif
+#include <sys/time.h>
 #include <time.h>
 
 #ifdef HAVE_DLFCN_H

llvm/unittests/Support/CrashRecoveryTest.cpp

@@ -26,10 +26,8 @@
 #endif
 
 #ifdef LLVM_ON_UNIX
-#ifdef HAVE_SIGNAL_H
 #include <signal.h>
 #endif
-#endif
 
 using namespace llvm;
 using namespace llvm::sys;

llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn

@@ -97,7 +97,6 @@ write_cmake_config("config") {
     "HAVE_MALLCTL=",
     "HAVE_PTHREAD_GET_NAME_NP=",
     "HAVE_PTHREAD_SET_NAME_NP=",
-    "HAVE_SIGNAL_H=1",
     "HAVE_VALGRIND_VALGRIND_H=",
     "HAVE__ALLOCA=",
     "HAVE___ALLOCA=",
@@ -225,7 +224,6 @@ write_cmake_config("config") {
       "HAVE_SYS_IOCTL_H=",
       "HAVE_SYS_MMAN_H=",
       "HAVE_SYS_RESOURCE_H=",
-      "HAVE_SYS_TIME_H=",
       "HAVE_TERMIOS_H=",
       "HAVE_UNISTD_H=",
       "HAVE__CHSIZE_S=1",
@@ -260,7 +258,6 @@ write_cmake_config("config") {
       "HAVE_SYS_IOCTL_H=1",
       "HAVE_SYS_MMAN_H=1",
       "HAVE_SYS_RESOURCE_H=1",
-      "HAVE_SYS_TIME_H=1",
       "HAVE_TERMIOS_H=1",
       "HAVE_UNISTD_H=1",
       "HAVE__CHSIZE_S=",

utils/bazel/llvm-project-overlay/llvm/include/llvm/Config/config.h

@@ -174,9 +174,6 @@
 /* Define to 1 if you have the `sigaltstack' function. */
 #define HAVE_SIGALTSTACK 1
 
-/* Define to 1 if you have the <signal.h> header file. */
-#define HAVE_SIGNAL_H 1
-
 /* Define to 1 if you have the `strerror_r' function. */
 /* HAVE_STRERROR_R defined in Bazel */
 
@@ -192,9 +189,6 @@
 /* Define to 1 if you have the <sys/resource.h> header file. */
 #define HAVE_SYS_RESOURCE_H 1
 
-/* Define to 1 if you have the <sys/time.h> header file. */
-#define HAVE_SYS_TIME_H 1
-
 /* Define to 1 if stat struct has st_mtimespec member .*/
 /* #undef HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC */
 

utils/bazel/llvm_configs/config.h.cmake

@@ -171,9 +171,6 @@
 /* Define to 1 if you have the `sigaltstack' function. */
 #cmakedefine HAVE_SIGALTSTACK ${HAVE_SIGALTSTACK}
 
-/* Define to 1 if you have the <signal.h> header file. */
-#cmakedefine HAVE_SIGNAL_H ${HAVE_SIGNAL_H}
-
 /* Define to 1 if you have the `strerror_r' function. */
 #cmakedefine HAVE_STRERROR_R ${HAVE_STRERROR_R}
 
@@ -189,9 +186,6 @@
 /* Define to 1 if you have the <sys/resource.h> header file. */
 #cmakedefine HAVE_SYS_RESOURCE_H ${HAVE_SYS_RESOURCE_H}
 
-/* Define to 1 if you have the <sys/time.h> header file. */
-#cmakedefine HAVE_SYS_TIME_H ${HAVE_SYS_TIME_H}
-
 /* Define to 1 if stat struct has st_mtimespec member .*/
 #cmakedefine HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC ${HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC}