Platform tests for `sys/uio.h' header and `writev' function.

This is the cmake equivalent for r124769.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124775 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index 4cb68dfb1afecc75d751641eae31736751a274dc..31fd632bea813ec5816ce775f1ba656fc2abbefb 100755 (executable)
--- a/cmake/config-ix.cmake
+++ b/cmake/config-ix.cmake
@@ -66,6 +66,7 @@ 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(sys/types.h HAVE_SYS_TYPES_H)
+check_include_file(sys/uio.h HAVE_SYS_UIO_H)
 check_include_file(sys/wait.h HAVE_SYS_WAIT_H)
 check_include_file(termios.h HAVE_TERMIOS_H)
 check_include_file(unistd.h HAVE_UNISTD_H)
@@ -104,6 +105,9 @@ if( HAVE_SETJMP_H )
   check_symbol_exists(siglongjmp setjmp.h HAVE_SIGLONGJMP)
   check_symbol_exists(sigsetjmp setjmp.h HAVE_SIGSETJMP)
 endif()
+if( HAVE_SYS_UIO_H )
+  check_symbol_exists(writev sys/uio.h HAVE_WRITEV)
+endif()
 check_symbol_exists(nearbyintf math.h HAVE_NEARBYINTF)
 check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
 check_symbol_exists(malloc_zone_statistics malloc/malloc.h

diff --git a/include/llvm/Config/config.h.cmake b/include/llvm/Config/config.h.cmake
index c94abb681fad1322bcc235798766bb3f96e4d7eb..a088c7cbae5bf99125867bfac47897e6b7354a76 100644 (file)
--- a/include/llvm/Config/config.h.cmake
+++ b/include/llvm/Config/config.h.cmake
@@ -442,6 +442,9 @@
 /* Define to 1 if you have the <sys/types.h> header file. */
 #cmakedefine HAVE_SYS_TYPES_H ${HAVE_SYS_TYPES_H}
 
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#cmakedefine HAVE_SYS_UIO_H ${HAVE_SYS_UIO_H}
+
 /* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
 #cmakedefine HAVE_SYS_WAIT_H ${HAVE_SYS_WAIT_H}
 
@@ -463,6 +466,9 @@
 /* Define to 1 if you have the <windows.h> header file. */
 #cmakedefine HAVE_WINDOWS_H ${HAVE_WINDOWS_H}
 
+/* Define to 1 if you have the `writev' function. */
+#cmakedefine HAVE_WRITEV ${HAVE_WRITEV}
+
 /* Define if the xdot.py program is available */
 #undef HAVE_XDOT_PY