libarchive: Remove unused STDC_HEADERS try_run

This was the only try_run() in libarchive, and the result was not used
in the source code.  We remove it to allow cross-compiling to work.

Utilities/cmlibarchive/CMakeLists.txt

@@ -62,7 +62,6 @@ INCLUDE(CheckCSourceRuns)
 INCLUDE(CheckFileOffsetBits)
 INCLUDE(CheckFuncs)
 INCLUDE(CheckHeaderDirent)
-INCLUDE(CheckHeaderSTDC)
 INCLUDE(CheckIncludeFile)
 INCLUDE(CheckIncludeFiles)
 INCLUDE(CheckLibraryExists)
@@ -207,7 +206,6 @@ ENDIF(LZMA_FOUND)
 #
 # Check headers
 #
-CHECK_HEADER_STDC()
 CHECK_HEADER_DIRENT()
 
 SET(INCLUDES "")

Utilities/cmlibarchive/build/cmake/CheckHeaderSTDC.c

@@ -1,20 +0,0 @@
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <ctype.h>
-
-#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-
-int
-main()
-{
-  int i;
-
-  for (i = 0; i < 256; i++) {
-    if (XOR(islower(i), ISLOWER(i)) || toupper(i) != TOUPPER(i))
-      return 2;
-  }
-  return 0;
-}

Utilities/cmlibarchive/build/cmake/CheckHeaderSTDC.cmake

@@ -1,65 +0,0 @@
-#
-# - Check if the system has the ANSI C files
-# CHECK_HEADER_STDC
-#
-# The following variables may be set before calling this macro to
-# modify the way the check is run:
-#
-#  CMAKE_REQUIRED_FLAGS = string of compile command line flags
-#  CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
-#  CMAKE_REQUIRED_INCLUDES = list of include directories
-# Copyright (c) 2009, Michihiro NAKAJIMA
-#
-# Redistribution and use is allowed according to the terms of the BSD license.
-# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
-
-
-MACRO (CHECK_HEADER_STDC)
-  IF(NOT DEFINED STDC_HEADERS)
-    IF(CMAKE_REQUIRED_INCLUDES)
-      SET(CHECK_HEADER_STDC_C_INCLUDE_DIRS "-DINCLUDE_DIRECTORIES=${CMAKE_REQUIRED_INCLUDES}")
-    ELSE(CMAKE_REQUIRED_INCLUDES)
-      SET(CHECK_HEADER_STDC_C_INCLUDE_DIRS)
-    ENDIF(CMAKE_REQUIRED_INCLUDES)
-    SET(MACRO_CHECK_HEADER_STDC_FLAGS ${CMAKE_REQUIRED_FLAGS})
-
-    MESSAGE(STATUS "Cheking for ANSI C header files")
-    TRY_RUN(CHECK_HEADER_STDC_result
-      CHECK_HEADER_STDC_compile_result
-      ${CMAKE_BINARY_DIR}
-      ${libarchive_SOURCE_DIR}/build/cmake/CheckHeaderSTDC.c
-      COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
-      CMAKE_FLAGS
-      -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_HEADER_STDC_FLAGS}
-      "${CHECK_HEADER_STDC_C_INCLUDE_DIRS}"
-      OUTPUT_VARIABLE OUTPUT)
-
-    IF(CHECK_HEADER_STDC_compile_result AND CHECK_HEADER_STDC_result EQUAL 0)
-      FIND_PATH(CHECK_HEADER_STDC_path "string.h")
-      IF (CHECK_HEADER_STDC_path)
-        FILE(STRINGS "${CHECK_HEADER_STDC_path}/string.h" CHECK_HEADER_STDC_result REGEX "[^a-zA-Z_]memchr[^a-zA-Z_]")
-    IF (CHECK_HEADER_STDC_result)
-          FILE(STRINGS "${CHECK_HEADER_STDC_path}/stdlib.h" CHECK_HEADER_STDC_result REGEX "[^a-zA-Z_]free[^a-zA-Z_]")
-    ENDIF (CHECK_HEADER_STDC_result)
-      ENDIF (CHECK_HEADER_STDC_path)
-    ENDIF(CHECK_HEADER_STDC_compile_result AND CHECK_HEADER_STDC_result EQUAL 0)
-
-    IF(CHECK_HEADER_STDC_result)
-      MESSAGE(STATUS "Cheking for ANSI C header files - found")
-      SET(STDC_HEADERS 1 CACHE INTERNAL "Have ANSI C headers")
-      FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
-        "Determining if the include file ${INCLUDE} "
-        "exists passed with the following output:\n"
-        "${OUTPUT}\n\n")
-    ELSE(CHECK_HEADER_STDC_result)
-      MESSAGE(STATUS "Cheking for ANSI C header files - not found")
-      SET(STDC_HEADERS "" CACHE INTERNAL "Have ANSI C headers")
-      FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
-        "Determining if the include file ${INCLUDE} "
-        "exists failed with the following output:\n"
-        "${OUTPUT}\n\n")
-    ENDIF(CHECK_HEADER_STDC_result)
-
-  ENDIF(NOT DEFINED STDC_HEADERS)
-ENDMACRO (CHECK_HEADER_STDC)
-

Utilities/cmlibarchive/build/cmake/config.h.in

@@ -620,9 +620,6 @@
 /* The size of `wchar_t', as computed by sizeof. */
 #cmakedefine SIZEOF_WCHAR_T ${SIZEOF_WCHAR_T}
 
-/* Define to 1 if you have the ANSI C header files. */
-#cmakedefine STDC_HEADERS 1
-
 /* Define to 1 if strerror_r returns char *. */
 #cmakedefine STRERROR_R_CHAR_P 1
 

Utilities/cmlibarchive/libarchive/config_freebsd.h

@@ -140,7 +140,6 @@
 #define HAVE_WMEMCMP 1
 #define HAVE_WMEMCPY 1
 #define HAVE_ZLIB_H 1
-#define STDC_HEADERS 1
 #define TIME_WITH_SYS_TIME 1
 
 /* FreeBSD 4 and earlier lack intmax_t/uintmax_t */

Utilities/cmlibarchive/libarchive/config_windows.h

@@ -465,9 +465,6 @@
 /* Define to 1 if your C compiler doesn't accept -c and -o together. */
 /* #undef NO_MINUS_C_MINUS_O */
 
-/* Define to 1 if you have the ANSI C header files. */
-#define STDC_HEADERS 1
-
 /* Define to 1 if strerror_r returns char *. */
 /* #undef STRERROR_R_CHAR_P */
 

Utilities/cmlibarchive/tar/config_freebsd.h

@@ -81,4 +81,3 @@
 #define HAVE_WCTYPE_H 1
 #define HAVE_ZLIB_H 1
 #undef  MAJOR_IN_MKDEV
-#define STDC_HEADERS 1