[llvm] r187209 - Remove dead or useless header checks from cmake and autoconf

Eric Christopher echristo at gmail.com
Fri Sep 6 10:37:46 PDT 2013


Here's how I did it. I've got a side install of all of the versions of
those tools in my path and then...


athyra:~/installs/install-llvm-autotools/bin> ls
aclocal      autoconf    autom4te  automake-1.9  autoscan    ifnames  libtoolize
aclocal-1.9  autoheader  automake  autoreconf    autoupdate  libtool
athyra:~/installs/install-llvm-autotools/bin> ./libtool --version
ltmain.sh (GNU libtool) 1.5.22 (1.1220.2.365 2005/12/18 22:14:06)

Copyright (C) 2005  Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
athyra:~/installs/install-llvm-autotools/bin> ./autoconf --version
autoconf (GNU Autoconf) 2.60
Written by David J. MacKenzie and Akim Demaille.

Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
athyra:~/installs/install-llvm-autotools/bin> ./automake --version
Useless use of /d modifier in transliteration operator at
/usr/local/google/home/echristo/installs/install-llvm-autotools/share/automake-1.9/Automake/Wrap.pm
line 60.
automake (GNU automake) 1.9.6
Written by Tom Tromey <tromey at redhat.com>.

Copyright 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

athyra:~/sources/llvm> setenv PATH ~/installs/install-llvm-autotools/bin:$PATH
athyra:~/sources/llvm> cd autoconf/
athyra:~/sources/llvm/autoconf> ./AutoRegen.sh

### NOTE: ############################################################
### If you get *any* warnings from autoconf below you MUST fix the
### scripts in the m4 directory because there are future forward
### compatibility or platform support issues at risk. Please do NOT
### commit any configure script that was generated with warnings
### present. You should get just three 'Regenerating..' lines.
######################################################################

Regenerating aclocal.m4 with aclocal 1.9.6
Regenerating configure with autoconf 2.60
Regenerating config.h.in with autoheader 2.60

On Fri, Sep 6, 2013 at 5:34 AM, Patrik Hägglund H
<patrik.h.hagglund at ericsson.com> wrote:
> Can you tell me more details about how you tested?
>
> I have done a fresh install of autoconf-2.60, automake-1.9.6, libtool-1.5.22. On SLED 11 x86-64, and Debian unstable x86-64. For both, I get the result as shown below.
>
> /Patrik Hägglund
>
> -----Original Message-----
> From: Eric Christopher [mailto:echristo at gmail.com]
> Sent: den 5 september 2013 18:36
> To: Patrik Hägglund H
> Cc: Reid Kleckner; llvm-commits at cs.uiuc.edu
> Subject: Re: [llvm] r187209 - Remove dead or useless header checks from cmake and autoconf
>
> FWIW it's working for me (I just tested).
>
> -eric
>
> On Thu, Sep 5, 2013 at 5:33 AM, Patrik Hägglund H
> <patrik.h.hagglund at ericsson.com> wrote:
>> After this commit I can't run AutoRegen.sh anymore on Linux:
>>
>> env -i PATH=/LMWP3/autoconf-2.60/bin:/LMWP3/automake-1.9.6/bin:/LMWP3/libtool-1.5.22/bin:/usr/bin:/bin ./autoconf/AutoRegen.sh
>>
>> ### NOTE: ############################################################
>> ### If you get *any* warnings from autoconf below you MUST fix the
>> ### scripts in the m4 directory because there are future forward
>> ### compatibility or platform support issues at risk. Please do NOT
>> ### commit any configure script that was generated with warnings
>> ### present. You should get just three 'Regenerating..' lines.
>> ######################################################################
>>
>> Regenerating aclocal.m4 with aclocal 1.9.6
>> configure.ac:1285: warning: AC_LTDL_FUNC_ARGZ is m4_require'd but not m4_defun'd
>> /dev/shm/uabpath/llvm/autoconf/m4/ltdl.m4:62: AC_LIB_LTDL is expanded from...
>> configure.ac:1285: the top level
>> Regenerating configure with autoconf 2.60
>> configure.ac:1285: warning: AC_LTDL_FUNC_ARGZ is m4_require'd but not m4_defun'd
>> aclocal.m4:6853: AC_LIB_LTDL is expanded from...
>> configure.ac:1285: the top level
>> ../configure:10779: error: possibly undefined macro: AC_LTDL_FUNC_ARGZ
>>       If this token and others are legitimate, please use m4_pattern_allow.
>>       See the Autoconf documentation.
>> autoconf failed
>>
>> I don't understand this code. Should AC_LTDL_FUNC_ARGZ be readded to ltdl.m4 or AC_LIB_LTDL be removed from configure.ac? Both seems to fix the error.
>>
>> /Patrik Hägglund
>>
>> -----Original Message-----
>> From: llvm-commits-bounces at cs.uiuc.edu [mailto:llvm-commits-bounces at cs.uiuc.edu] On Behalf Of Reid Kleckner
>> Sent: den 26 juli 2013 18:54
>> To: llvm-commits at cs.uiuc.edu
>> Subject: [llvm] r187209 - Remove dead or useless header checks from cmake and autoconf
>>
>> Author: rnk
>> Date: Fri Jul 26 11:54:23 2013
>> New Revision: 187209
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=187209&view=rev
>> Log:
>> Remove dead or useless header checks from cmake and autoconf
>>
>> On Windows, this improves clean cmake configuration time on my
>> workstation from 1m58s to 1m32s, which is pretty significant.  There's
>> probably more that can be done here, but this is the low hanging fruit.
>>
>> Eric volunteered to regenerate ./configure for me.
>>
>> Modified:
>>     llvm/trunk/autoconf/configure.ac
>>     llvm/trunk/autoconf/m4/ltdl.m4
>>     llvm/trunk/cmake/config-ix.cmake
>>     llvm/trunk/include/llvm/Config/config.h.cmake
>>     llvm/trunk/include/llvm/Config/config.h.in
>>     llvm/trunk/include/llvm/Support/DataTypes.h.cmake
>>     llvm/trunk/include/llvm/Support/DataTypes.h.in
>>     llvm/trunk/lib/Support/Errno.cpp
>>     llvm/trunk/lib/Support/Unix/Path.inc
>>     llvm/trunk/lib/Support/Unix/Unix.h
>>
>> Modified: llvm/trunk/autoconf/configure.ac
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/autoconf/configure.ac?rev=187209&r1=187208&r2=187209&view=diff
>> ==============================================================================
>> --- llvm/trunk/autoconf/configure.ac (original)
>> +++ llvm/trunk/autoconf/configure.ac Fri Jul 26 11:54:23 2013
>> @@ -1531,11 +1531,11 @@ AC_HEADER_TIME
>>  AC_LANG_PUSH([C++])
>>  AC_CHECK_HEADERS([cxxabi.h])
>>  AC_LANG_POP([C++])
>> -AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
>> +AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
>>  AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
>> -AC_CHECK_HEADERS([utime.h windows.h])
>> +AC_CHECK_HEADERS([utime.h])
>>  AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
>> -AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
>> +AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
>>  AC_CHECK_HEADERS([valgrind/valgrind.h])
>>  AC_CHECK_HEADERS([fenv.h])
>>  AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
>> @@ -1610,7 +1610,7 @@ AC_CHECK_FUNCS([powf fmodf strtof round
>>  AC_CHECK_FUNCS([log log2 log10 exp exp2])
>>  AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
>>  AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
>> -AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
>> +AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
>>  AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
>>  AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
>>  AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
>>
>> Modified: llvm/trunk/autoconf/m4/ltdl.m4
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/autoconf/m4/ltdl.m4?rev=187209&r1=187208&r2=187209&view=diff
>> ==============================================================================
>> --- llvm/trunk/autoconf/m4/ltdl.m4 (original)
>> +++ llvm/trunk/autoconf/m4/ltdl.m4 Fri Jul 26 11:54:23 2013
>> @@ -77,15 +77,9 @@ AC_REQUIRE([AC_LTDL_DLSYM_USCORE])
>>  AC_REQUIRE([AC_LTDL_SYS_DLOPEN_DEPLIBS])
>>  AC_REQUIRE([AC_LTDL_FUNC_ARGZ])
>>
>> -AC_CHECK_HEADERS([assert.h ctype.h errno.h malloc.h memory.h stdlib.h \
>> -                 stdio.h unistd.h])
>> -AC_CHECK_HEADERS([dl.h sys/dl.h dld.h mach-o/dyld.h])
>> -AC_CHECK_HEADERS([string.h strings.h], [break])
>> -
>> -AC_CHECK_FUNCS([strchr index], [break])
>> -AC_CHECK_FUNCS([strrchr rindex], [break])
>> -AC_CHECK_FUNCS([memcpy bcopy], [break])
>> -AC_CHECK_FUNCS([memmove strcmp])
>> +AC_CHECK_HEADERS([errno.h malloc.h memory.h unistd.h])
>> +AC_CHECK_HEADERS([mach-o/dyld.h])
>> +
>>  AC_CHECK_FUNCS([closedir opendir readdir])
>>  ])# AC_LIB_LTDL
>>
>> @@ -385,19 +379,3 @@ if test x"$libltdl_cv_need_uscore" = xye
>>      [Define if dlsym() requires a leading underscore in symbol names.])
>>  fi
>>  ])# AC_LTDL_DLSYM_USCORE
>> -
>> -# AC_LTDL_FUNC_ARGZ
>> -# -----------------
>> -AC_DEFUN([AC_LTDL_FUNC_ARGZ],
>> -[AC_CHECK_HEADERS([argz.h])
>> -
>> -AC_CHECK_TYPES([error_t],
>> -  [],
>> -  [AC_DEFINE([error_t], [int],
>> -    [Define to a type to use for `error_t' if it is not otherwise available.])],
>> -  [#if HAVE_ARGZ_H
>> -#  include <argz.h>
>> -#endif])
>> -
>> -AC_CHECK_FUNCS([argz_append argz_create_sep argz_insert argz_next argz_stringify])
>> -])# AC_LTDL_FUNC_ARGZ
>>
>> Modified: llvm/trunk/cmake/config-ix.cmake
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/config-ix.cmake?rev=187209&r1=187208&r2=187209&view=diff
>> ==============================================================================
>> --- llvm/trunk/cmake/config-ix.cmake (original)
>> +++ llvm/trunk/cmake/config-ix.cmake Fri Jul 26 11:54:23 2013
>> @@ -35,37 +35,24 @@ function(check_type_exists type files va
>>  endfunction()
>>
>>  # include checks
>> -check_include_file(argz.h HAVE_ARGZ_H)
>> -check_include_file(assert.h HAVE_ASSERT_H)
>> -check_include_file(ctype.h HAVE_CTYPE_H)
>>  check_include_file_cxx(cxxabi.h HAVE_CXXABI_H)
>>  check_include_file(dirent.h HAVE_DIRENT_H)
>> -check_include_file(dl.h HAVE_DL_H)
>> -check_include_file(dld.h HAVE_DLD_H)
>>  check_include_file(dlfcn.h HAVE_DLFCN_H)
>>  check_include_file(errno.h HAVE_ERRNO_H)
>>  check_include_file(execinfo.h HAVE_EXECINFO_H)
>>  check_include_file(fcntl.h HAVE_FCNTL_H)
>>  check_include_file(inttypes.h HAVE_INTTYPES_H)
>>  check_include_file(limits.h HAVE_LIMITS_H)
>> -check_include_file(link.h HAVE_LINK_H)
>>  check_include_file(malloc.h HAVE_MALLOC_H)
>>  check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H)
>> -check_include_file(memory.h HAVE_MEMORY_H)
>>  check_include_file(ndir.h HAVE_NDIR_H)
>>  if( NOT PURE_WINDOWS )
>>    check_include_file(pthread.h HAVE_PTHREAD_H)
>>  endif()
>>  check_include_file(sanitizer/msan_interface.h HAVE_SANITIZER_MSAN_INTERFACE_H)
>> -check_include_file(setjmp.h HAVE_SETJMP_H)
>>  check_include_file(signal.h HAVE_SIGNAL_H)
>>  check_include_file(stdint.h HAVE_STDINT_H)
>> -check_include_file(stdio.h HAVE_STDIO_H)
>> -check_include_file(stdlib.h HAVE_STDLIB_H)
>> -check_include_file(string.h HAVE_STRING_H)
>> -check_include_file(strings.h HAVE_STRINGS_H)
>>  check_include_file(sys/dir.h HAVE_SYS_DIR_H)
>> -check_include_file(sys/dl.h HAVE_SYS_DL_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/ndir.h HAVE_SYS_NDIR_H)
>> @@ -73,14 +60,12 @@ check_include_file(sys/param.h HAVE_SYS_
>>  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)
>>  check_include_file(utime.h HAVE_UTIME_H)
>>  check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H)
>> -check_include_file(windows.h HAVE_WINDOWS_H)
>>  check_include_file(zlib.h HAVE_ZLIB_H)
>>  check_include_file(fenv.h HAVE_FENV_H)
>>  check_symbol_exists(FE_ALL_EXCEPT "fenv.h" HAVE_DECL_FE_ALL_EXCEPT)
>> @@ -121,7 +106,6 @@ check_symbol_exists(getpagesize unistd.h
>>  check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE)
>>  check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT)
>>  check_symbol_exists(isatty unistd.h HAVE_ISATTY)
>> -check_symbol_exists(index strings.h HAVE_INDEX)
>>  check_symbol_exists(isinf cmath HAVE_ISINF_IN_CMATH)
>>  check_symbol_exists(isinf math.h HAVE_ISINF_IN_MATH_H)
>>  check_symbol_exists(finite ieeefp.h HAVE_FINITE_IN_IEEEFP_H)
>> @@ -162,11 +146,6 @@ check_symbol_exists(gettimeofday sys/tim
>>  check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT)
>>  check_symbol_exists(posix_spawn spawn.h HAVE_POSIX_SPAWN)
>>  check_symbol_exists(pread unistd.h HAVE_PREAD)
>> -check_symbol_exists(rindex strings.h HAVE_RINDEX)
>> -check_symbol_exists(strchr string.h HAVE_STRCHR)
>> -check_symbol_exists(strcmp string.h HAVE_STRCMP)
>> -check_symbol_exists(strdup string.h HAVE_STRDUP)
>> -check_symbol_exists(strrchr string.h HAVE_STRRCHR)
>>  check_symbol_exists(sbrk unistd.h HAVE_SBRK)
>>  check_symbol_exists(srand48 stdlib.h HAVE_RAND48_SRAND48)
>>  if( HAVE_RAND48_SRAND48 )
>> @@ -183,8 +162,6 @@ check_symbol_exists(strtoq stdlib.h HAVE
>>  check_symbol_exists(strerror string.h HAVE_STRERROR)
>>  check_symbol_exists(strerror_r string.h HAVE_STRERROR_R)
>>  check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S)
>> -check_symbol_exists(memcpy string.h HAVE_MEMCPY)
>> -check_symbol_exists(memmove string.h HAVE_MEMMOVE)
>>  check_symbol_exists(setenv stdlib.h HAVE_SETENV)
>>  if( PURE_WINDOWS )
>>    check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S)
>> @@ -208,13 +185,6 @@ if( PURE_WINDOWS )
>>    check_function_exists(__main HAVE___MAIN)
>>    check_function_exists(__cmpdi2 HAVE___CMPDI2)
>>  endif()
>> -if( HAVE_ARGZ_H )
>> -  check_symbol_exists(argz_append argz.h HAVE_ARGZ_APPEND)
>> -  check_symbol_exists(argz_create_sep argz.h HAVE_ARGZ_CREATE_SEP)
>> -  check_symbol_exists(argz_insert argz.h HAVE_ARGZ_INSERT)
>> -  check_symbol_exists(argz_next argz.h HAVE_ARGZ_NEXT)
>> -  check_symbol_exists(argz_stringify argz.h HAVE_ARGZ_STRINGIFY)
>> -endif()
>>  if( HAVE_DLFCN_H )
>>    if( HAVE_LIBDL )
>>      list(APPEND CMAKE_REQUIRED_LIBRARIES dl)
>> @@ -231,10 +201,7 @@ if( LLVM_USING_GLIBC )
>>    add_llvm_definitions( -D_GNU_SOURCE )
>>  endif()
>>
>> -set(headers "")
>> -if (HAVE_SYS_TYPES_H)
>> -  set(headers ${headers} "sys/types.h")
>> -endif()
>> +set(headers "sys/types.h")
>>
>>  if (HAVE_INTTYPES_H)
>>    set(headers ${headers} "inttypes.h")
>>
>> Modified: llvm/trunk/include/llvm/Config/config.h.cmake
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Config/config.h.cmake?rev=187209&r1=187208&r2=187209&view=diff
>> ==============================================================================
>> --- llvm/trunk/include/llvm/Config/config.h.cmake (original)
>> +++ llvm/trunk/include/llvm/Config/config.h.cmake Fri Jul 26 11:54:23 2013
>> @@ -33,27 +33,6 @@
>>  /* Define to 1 if you have the `arc4random' function. */
>>  #cmakedefine HAVE_ARC4RANDOM
>>
>> -/* Define to 1 if you have the `argz_append' function. */
>> -#cmakedefine HAVE_ARGZ_APPEND ${HAVE_ARGZ_APPEND}
>> -
>> -/* Define to 1 if you have the `argz_create_sep' function. */
>> -#cmakedefine HAVE_ARGZ_CREATE_SEP ${HAVE_ARGZ_CREATE_SEP}
>> -
>> -/* Define to 1 if you have the <argz.h> header file. */
>> -#cmakedefine HAVE_ARGZ_H ${HAVE_ARGZ_H}
>> -
>> -/* Define to 1 if you have the `argz_insert' function. */
>> -#cmakedefine HAVE_ARGZ_INSERT ${HAVE_ARGZ_INSERT}
>> -
>> -/* Define to 1 if you have the `argz_next' function. */
>> -#cmakedefine HAVE_ARGZ_NEXT ${HAVE_ARGZ_NEXT}
>> -
>> -/* Define to 1 if you have the `argz_stringify' function. */
>> -#cmakedefine HAVE_ARGZ_STRINGIFY ${HAVE_ARGZ_STRINGIFY}
>> -
>> -/* Define to 1 if you have the <assert.h> header file. */
>> -#cmakedefine HAVE_ASSERT_H ${HAVE_ASSERT_H}
>> -
>>  /* Define to 1 if you have the `backtrace' function. */
>>  #cmakedefine HAVE_BACKTRACE ${HAVE_BACKTRACE}
>>
>> @@ -78,9 +57,6 @@
>>  /* can use __crashreporter_info__ */
>>  #undef HAVE_CRASHREPORTER_INFO
>>
>> -/* Define to 1 if you have the <ctype.h> header file. */
>> -#cmakedefine HAVE_CTYPE_H ${HAVE_CTYPE_H}
>> -
>>  /* Define to 1 if you have the declaration of `strerror_s', and to 0 if you
>>     don't. */
>>  #cmakedefine01 HAVE_DECL_STRERROR_S
>> @@ -92,9 +68,6 @@
>>  /* Define if you have the GNU dld library. */
>>  #undef HAVE_DLD
>>
>> -/* Define to 1 if you have the <dld.h> header file. */
>> -#cmakedefine HAVE_DLD_H ${HAVE_DLD_H}
>> -
>>  /* Define to 1 if you have the `dlerror' function. */
>>  #cmakedefine HAVE_DLERROR ${HAVE_DLERROR}
>>
>> @@ -104,9 +77,6 @@
>>  /* Define if dlopen() is available on this platform. */
>>  #cmakedefine HAVE_DLOPEN ${HAVE_DLOPEN}
>>
>> -/* Define to 1 if you have the <dl.h> header file. */
>> -#cmakedefine HAVE_DL_H ${HAVE_DL_H}
>> -
>>  /* Define if the dot program is available */
>>  #cmakedefine HAVE_DOT ${HAVE_DOT}
>>
>> @@ -119,9 +89,6 @@
>>  /* Define to 1 if you have the <errno.h> header file. */
>>  #cmakedefine HAVE_ERRNO_H ${HAVE_ERRNO_H}
>>
>> -/* Define to 1 if the system has the type `error_t'. */
>> -#cmakedefine HAVE_ERROR_T ${HAVE_ERROR_T}
>> -
>>  /* Define to 1 if you have the <execinfo.h> header file. */
>>  #cmakedefine HAVE_EXECINFO_H ${HAVE_EXECINFO_H}
>>
>> @@ -197,9 +164,6 @@
>>  /* Define if the gv program is available */
>>  #cmakedefine HAVE_GV ${HAVE_GV}
>>
>> -/* Define to 1 if you have the `index' function. */
>> -#cmakedefine HAVE_INDEX ${HAVE_INDEX}
>> -
>>  /* Define to 1 if the system has the type `int64_t'. */
>>  #cmakedefine HAVE_INT64_T ${HAVE_INT64_T}
>>
>> @@ -248,9 +212,6 @@
>>  /* Define if you can use -Wl,-export-dynamic. */
>>  #define HAVE_LINK_EXPORT_DYNAMIC 1
>>
>> -/* Define to 1 if you have the <link.h> header file. */
>> -#cmakedefine HAVE_LINK_H ${HAVE_LINK_H}
>> -
>>  /* Define if you can use -Wl,-R. to pass -R. to the linker, in order to add
>>     the current directory to the dynamic linker search path. */
>>  #undef HAVE_LINK_R
>> @@ -276,15 +237,6 @@
>>  /* Define to 1 if you have the `malloc_zone_statistics' function. */
>>  #cmakedefine HAVE_MALLOC_ZONE_STATISTICS ${HAVE_MALLOC_ZONE_STATISTICS}
>>
>> -/* Define to 1 if you have the `memcpy' function. */
>> -#cmakedefine HAVE_MEMCPY ${HAVE_MEMCPY}
>> -
>> -/* Define to 1 if you have the `memmove' function. */
>> -#cmakedefine HAVE_MEMMOVE ${HAVE_MEMMOVE}
>> -
>> -/* Define to 1 if you have the <memory.h> header file. */
>> -#cmakedefine HAVE_MEMORY_H ${HAVE_MEMORY_H}
>> -
>>  /* Define to 1 if you have the `mkdtemp' function. */
>>  #cmakedefine HAVE_MKDTEMP ${HAVE_MKDTEMP}
>>
>> @@ -352,9 +304,6 @@
>>  /* Define to 1 if you have the `realpath' function. */
>>  #undef HAVE_REALPATH
>>
>> -/* Define to 1 if you have the `rindex' function. */
>> -#cmakedefine HAVE_RINDEX ${HAVE_RINDEX}
>> -
>>  /* Define to 1 if you have the `rintf' function. */
>>  #undef HAVE_RINTF
>>
>> @@ -373,9 +322,6 @@
>>  /* Define to 1 if you have the `setjmp' function. */
>>  #cmakedefine HAVE_SETJMP ${HAVE_SETJMP}
>>
>> -/* Define to 1 if you have the <setjmp.h> header file. */
>> -#cmakedefine HAVE_SETJMP_H ${HAVE_SETJMP_H}
>> -
>>  /* Define to 1 if you have the `setrlimit' function. */
>>  #cmakedefine HAVE_SETRLIMIT ${HAVE_SETRLIMIT}
>>
>> @@ -394,24 +340,12 @@
>>  /* Define to 1 if you have the <stdint.h> header file. */
>>  #cmakedefine HAVE_STDINT_H ${HAVE_STDINT_H}
>>
>> -/* Define to 1 if you have the <stdio.h> header file. */
>> -#cmakedefine HAVE_STDIO_H ${HAVE_STDIO_H}
>> -
>> -/* Define to 1 if you have the <stdlib.h> header file. */
>> -#cmakedefine HAVE_STDLIB_H ${HAVE_STDLIB_H}
>> -
>>  /* Set to 1 if the std::isinf function is found in <cmath> */
>>  #undef HAVE_STD_ISINF_IN_CMATH
>>
>>  /* Set to 1 if the std::isnan function is found in <cmath> */
>>  #undef HAVE_STD_ISNAN_IN_CMATH
>>
>> -/* Define to 1 if you have the `strchr' function. */
>> -#cmakedefine HAVE_STRCHR ${HAVE_STRCHR}
>> -
>> -/* Define to 1 if you have the `strcmp' function. */
>> -#cmakedefine HAVE_STRCMP ${HAVE_STRCMP}
>> -
>>  /* Define to 1 if you have the `strdup' function. */
>>  #cmakedefine HAVE_STRDUP ${HAVE_STRDUP}
>>
>> @@ -421,15 +355,6 @@
>>  /* Define to 1 if you have the `strerror_r' function. */
>>  #cmakedefine HAVE_STRERROR_R ${HAVE_STRERROR_R}
>>
>> -/* Define to 1 if you have the <strings.h> header file. */
>> -#cmakedefine HAVE_STRINGS_H ${HAVE_STRINGS_H}
>> -
>> -/* Define to 1 if you have the <string.h> header file. */
>> -#cmakedefine HAVE_STRING_H ${HAVE_STRING_H}
>> -
>> -/* Define to 1 if you have the `strrchr' function. */
>> -#cmakedefine HAVE_STRRCHR ${HAVE_STRRCHR}
>> -
>>  /* Define to 1 if you have the `strtof' function. */
>>  #cmakedefine HAVE_STRTOF ${HAVE_STRTOF}
>>
>> @@ -446,9 +371,6 @@
>>     */
>>  #cmakedefine HAVE_SYS_DIR_H ${HAVE_SYS_DIR_H}
>>
>> -/* Define to 1 if you have the <sys/dl.h> header file. */
>> -#cmakedefine HAVE_SYS_DL_H ${HAVE_SYS_DL_H}
>> -
>>  /* Define to 1 if you have the <sys/ioctl.h> header file. */
>>  #cmakedefine HAVE_SYS_IOCTL_H ${HAVE_SYS_IOCTL_H}
>>
>> @@ -501,9 +423,6 @@
>>  /* Define to 1 if you have the <valgrind/valgrind.h> header file. */
>>  #cmakedefine HAVE_VALGRIND_VALGRIND_H ${HAVE_VALGRIND_VALGRIND_H}
>>
>> -/* 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}
>>
>>
>> Modified: llvm/trunk/include/llvm/Config/config.h.in
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Config/config.h.in?rev=187209&r1=187208&r2=187209&view=diff
>> ==============================================================================
>> --- llvm/trunk/include/llvm/Config/config.h.in (original)
>> +++ llvm/trunk/include/llvm/Config/config.h.in Fri Jul 26 11:54:23 2013
>> @@ -33,33 +33,9 @@
>>  /* Define to 1 if you have the `arc4random' function. */
>>  #undef HAVE_ARC4RANDOM
>>
>> -/* Define to 1 if you have the `argz_append' function. */
>> -#undef HAVE_ARGZ_APPEND
>> -
>> -/* Define to 1 if you have the `argz_create_sep' function. */
>> -#undef HAVE_ARGZ_CREATE_SEP
>> -
>> -/* Define to 1 if you have the <argz.h> header file. */
>> -#undef HAVE_ARGZ_H
>> -
>> -/* Define to 1 if you have the `argz_insert' function. */
>> -#undef HAVE_ARGZ_INSERT
>> -
>> -/* Define to 1 if you have the `argz_next' function. */
>> -#undef HAVE_ARGZ_NEXT
>> -
>> -/* Define to 1 if you have the `argz_stringify' function. */
>> -#undef HAVE_ARGZ_STRINGIFY
>> -
>> -/* Define to 1 if you have the <assert.h> header file. */
>> -#undef HAVE_ASSERT_H
>> -
>>  /* Define to 1 if you have the `backtrace' function. */
>>  #undef HAVE_BACKTRACE
>>
>> -/* Define to 1 if you have the `bcopy' function. */
>> -#undef HAVE_BCOPY
>> -
>>  /* Define to 1 if you have the `ceilf' function. */
>>  #undef HAVE_CEILF
>>
>> @@ -75,9 +51,6 @@
>>  /* can use __crashreporter_info__ */
>>  #undef HAVE_CRASHREPORTER_INFO
>>
>> -/* Define to 1 if you have the <ctype.h> header file. */
>> -#undef HAVE_CTYPE_H
>> -
>>  /* Define to 1 if you have the <cxxabi.h> header file. */
>>  #undef HAVE_CXXABI_H
>>
>> @@ -100,9 +73,6 @@
>>  /* Define if you have the GNU dld library. */
>>  #undef HAVE_DLD
>>
>> -/* Define to 1 if you have the <dld.h> header file. */
>> -#undef HAVE_DLD_H
>> -
>>  /* Define to 1 if you have the `dlerror' function. */
>>  #undef HAVE_DLERROR
>>
>> @@ -112,9 +82,6 @@
>>  /* Define if dlopen() is available on this platform. */
>>  #undef HAVE_DLOPEN
>>
>> -/* Define to 1 if you have the <dl.h> header file. */
>> -#undef HAVE_DL_H
>> -
>>  /* Define if the dot program is available */
>>  #undef HAVE_DOT
>>
>> @@ -238,15 +205,9 @@
>>  /* Define to 1 if you have the `z' library (-lz). */
>>  #undef HAVE_LIBZ
>>
>> -/* Define to 1 if you have the <limits.h> header file. */
>> -#undef HAVE_LIMITS_H
>> -
>>  /* Define if you can use -Wl,-export-dynamic. */
>>  #undef HAVE_LINK_EXPORT_DYNAMIC
>>
>> -/* Define to 1 if you have the <link.h> header file. */
>> -#undef HAVE_LINK_H
>> -
>>  /* Define if you can use -Wl,-R. to pass -R. to the linker, in order to add
>>     the current directory to the dynamic linker search path. */
>>  #undef HAVE_LINK_R
>> @@ -281,15 +242,6 @@
>>  /* Define to 1 if you have the `malloc_zone_statistics' function. */
>>  #undef HAVE_MALLOC_ZONE_STATISTICS
>>
>> -/* Define to 1 if you have the `memcpy' function. */
>> -#undef HAVE_MEMCPY
>> -
>> -/* Define to 1 if you have the `memmove' function. */
>> -#undef HAVE_MEMMOVE
>> -
>> -/* Define to 1 if you have the <memory.h> header file. */
>> -#undef HAVE_MEMORY_H
>> -
>>  /* Define to 1 if you have the `mkdtemp' function. */
>>  #undef HAVE_MKDTEMP
>>
>> @@ -378,9 +330,6 @@
>>  /* Define to 1 if you have the `setjmp' function. */
>>  #undef HAVE_SETJMP
>>
>> -/* Define to 1 if you have the <setjmp.h> header file. */
>> -#undef HAVE_SETJMP_H
>> -
>>  /* Define to 1 if you have the `setrlimit' function. */
>>  #undef HAVE_SETRLIMIT
>>
>> @@ -399,42 +348,18 @@
>>  /* Define to 1 if you have the <stdint.h> header file. */
>>  #undef HAVE_STDINT_H
>>
>> -/* Define to 1 if you have the <stdio.h> header file. */
>> -#undef HAVE_STDIO_H
>> -
>> -/* Define to 1 if you have the <stdlib.h> header file. */
>> -#undef HAVE_STDLIB_H
>> -
>>  /* Set to 1 if the std::isinf function is found in <cmath> */
>>  #undef HAVE_STD_ISINF_IN_CMATH
>>
>>  /* Set to 1 if the std::isnan function is found in <cmath> */
>>  #undef HAVE_STD_ISNAN_IN_CMATH
>>
>> -/* Define to 1 if you have the `strchr' function. */
>> -#undef HAVE_STRCHR
>> -
>> -/* Define to 1 if you have the `strcmp' function. */
>> -#undef HAVE_STRCMP
>> -
>> -/* Define to 1 if you have the `strdup' function. */
>> -#undef HAVE_STRDUP
>> -
>>  /* Define to 1 if you have the `strerror' function. */
>>  #undef HAVE_STRERROR
>>
>>  /* Define to 1 if you have the `strerror_r' function. */
>>  #undef HAVE_STRERROR_R
>>
>> -/* Define to 1 if you have the <strings.h> header file. */
>> -#undef HAVE_STRINGS_H
>> -
>> -/* Define to 1 if you have the <string.h> header file. */
>> -#undef HAVE_STRING_H
>> -
>> -/* Define to 1 if you have the `strrchr' function. */
>> -#undef HAVE_STRRCHR
>> -
>>  /* Define to 1 if you have the `strtof' function. */
>>  #undef HAVE_STRTOF
>>
>> @@ -451,9 +376,6 @@
>>     */
>>  #undef HAVE_SYS_DIR_H
>>
>> -/* Define to 1 if you have the <sys/dl.h> header file. */
>> -#undef HAVE_SYS_DL_H
>> -
>>  /* Define to 1 if you have the <sys/ioctl.h> header file. */
>>  #undef HAVE_SYS_IOCTL_H
>>
>> @@ -476,9 +398,6 @@
>>  /* Define to 1 if you have the <sys/time.h> header file. */
>>  #undef HAVE_SYS_TIME_H
>>
>> -/* Define to 1 if you have the <sys/types.h> header file. */
>> -#undef HAVE_SYS_TYPES_H
>> -
>>  /* Define to 1 if you have the <sys/uio.h> header file. */
>>  #undef HAVE_SYS_UIO_H
>>
>> @@ -506,9 +425,6 @@
>>  /* Define to 1 if you have the <valgrind/valgrind.h> header file. */
>>  #undef HAVE_VALGRIND_VALGRIND_H
>>
>> -/* Define to 1 if you have the <windows.h> header file. */
>> -#undef HAVE_WINDOWS_H
>> -
>>  /* Define to 1 if you have the `writev' function. */
>>  #undef HAVE_WRITEV
>>
>>
>> Modified: llvm/trunk/include/llvm/Support/DataTypes.h.cmake
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/DataTypes.h.cmake?rev=187209&r1=187208&r2=187209&view=diff
>> ==============================================================================
>> --- llvm/trunk/include/llvm/Support/DataTypes.h.cmake (original)
>> +++ llvm/trunk/include/llvm/Support/DataTypes.h.cmake Fri Jul 26 11:54:23 2013
>> @@ -26,7 +26,6 @@
>>  #ifndef SUPPORT_DATATYPES_H
>>  #define SUPPORT_DATATYPES_H
>>
>> -#cmakedefine HAVE_SYS_TYPES_H ${HAVE_SYS_TYPES_H}
>>  #cmakedefine HAVE_INTTYPES_H ${HAVE_INTTYPES_H}
>>  #cmakedefine HAVE_STDINT_H ${HAVE_STDINT_H}
>>  #cmakedefine HAVE_UINT64_T ${HAVE_UINT64_T}
>> @@ -54,9 +53,7 @@
>>  #endif
>>
>>  /* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */
>> -#ifdef HAVE_SYS_TYPES_H
>>  #include <sys/types.h>
>> -#endif
>>
>>  #ifdef HAVE_INTTYPES_H
>>  #include <inttypes.h>
>>
>> Modified: llvm/trunk/include/llvm/Support/DataTypes.h.in
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/DataTypes.h.in?rev=187209&r1=187208&r2=187209&view=diff
>> ==============================================================================
>> --- llvm/trunk/include/llvm/Support/DataTypes.h.in (original)
>> +++ llvm/trunk/include/llvm/Support/DataTypes.h.in Fri Jul 26 11:54:23 2013
>> @@ -26,7 +26,6 @@
>>  #ifndef SUPPORT_DATATYPES_H
>>  #define SUPPORT_DATATYPES_H
>>
>> -#undef HAVE_SYS_TYPES_H
>>  #undef HAVE_INTTYPES_H
>>  #undef HAVE_STDINT_H
>>  #undef HAVE_UINT64_T
>> @@ -54,9 +53,7 @@
>>  #endif
>>
>>  /* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */
>> -#ifdef HAVE_SYS_TYPES_H
>>  #include <sys/types.h>
>> -#endif
>>
>>  #ifdef HAVE_INTTYPES_H
>>  #include <inttypes.h>
>>
>> Modified: llvm/trunk/lib/Support/Errno.cpp
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Errno.cpp?rev=187209&r1=187208&r2=187209&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Support/Errno.cpp (original)
>> +++ llvm/trunk/lib/Support/Errno.cpp Fri Jul 26 11:54:23 2013
>> @@ -14,8 +14,6 @@
>>  #include "llvm/Support/Errno.h"
>>  #include "llvm/Config/config.h"     // Get autoconf configuration settings
>>  #include "llvm/Support/raw_ostream.h"
>> -
>> -#if HAVE_STRING_H
>>  #include <string.h>
>>
>>  #if HAVE_ERRNO_H
>> @@ -75,5 +73,3 @@ std::string StrError(int errnum) {
>>
>>  }  // namespace sys
>>  }  // namespace llvm
>> -
>> -#endif  // HAVE_STRING_H
>>
>> Modified: llvm/trunk/lib/Support/Unix/Path.inc
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Unix/Path.inc?rev=187209&r1=187208&r2=187209&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Support/Unix/Path.inc (original)
>> +++ llvm/trunk/lib/Support/Unix/Path.inc Fri Jul 26 11:54:23 2013
>> @@ -18,6 +18,8 @@
>>
>>  #include "Unix.h"
>>  #include "llvm/Support/Process.h"
>> +#include <limits.h>
>> +#include <stdio.h>
>>  #if HAVE_SYS_STAT_H
>>  #include <sys/stat.h>
>>  #endif
>> @@ -43,12 +45,6 @@
>>  #  include <ndir.h>
>>  # endif
>>  #endif
>> -#if HAVE_STDIO_H
>> -#include <stdio.h>
>> -#endif
>> -#if HAVE_LIMITS_H
>> -#include <limits.h>
>> -#endif
>>
>>  #ifdef __APPLE__
>>  #include <mach-o/dyld.h>
>>
>> Modified: llvm/trunk/lib/Support/Unix/Unix.h
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Unix/Unix.h?rev=187209&r1=187208&r2=187209&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Support/Unix/Unix.h (original)
>> +++ llvm/trunk/lib/Support/Unix/Unix.h Fri Jul 26 11:54:23 2013
>> @@ -22,28 +22,22 @@
>>  #include "llvm/Config/config.h"     // Get autoconf configuration settings
>>  #include "llvm/Support/Errno.h"
>>  #include <algorithm>
>> +#include <assert.h>
>>  #include <cerrno>
>>  #include <cstdio>
>>  #include <cstdlib>
>>  #include <cstring>
>>  #include <string>
>> +#include <sys/types.h>
>>
>>  #ifdef HAVE_UNISTD_H
>>  #include <unistd.h>
>>  #endif
>>
>> -#ifdef HAVE_SYS_TYPES_H
>> -#include <sys/types.h>
>> -#endif
>> -
>>  #ifdef HAVE_SYS_PARAM_H
>>  #include <sys/param.h>
>>  #endif
>>
>> -#ifdef HAVE_ASSERT_H
>> -#include <assert.h>
>> -#endif
>> -
>>  #ifdef HAVE_SYS_TIME_H
>>  # include <sys/time.h>
>>  #endif
>>
>>
>> _______________________________________________
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>>
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