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Patch 7.4.048

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  • Bram Moolenaar
    Patch 7.4.048 Problem: Recent clang version complains about -fno-strength-reduce. Solution: Add a configure check for the clang version. (Kazunobu
    Message 1 of 1 , Oct 2, 2013
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      Patch 7.4.048
      Problem: Recent clang version complains about -fno-strength-reduce.
      Solution: Add a configure check for the clang version. (Kazunobu Kuriyama)
      Files: src/configure.in, src/auto/configure


      *** ../vim-7.4.047/src/configure.in 2013-08-04 20:00:50.000000000 +0200
      --- src/configure.in 2013-10-02 17:56:25.000000000 +0200
      ***************
      *** 62,67 ****
      --- 62,90 ----
      fi
      fi

      + dnl clang-500.2.75 or around has abandoned -f[no-]strength-reduce and issues a
      + dnl warning when that flag is passed to. Accordingly, adjust CFLAGS based on
      + dnl the version number of the clang in use.
      + dnl Note that this does not work to get the version of clang 3.1 or 3.2.
      + AC_MSG_CHECKING(for recent clang version)
      + CLANG_VERSION_STRING=`"$CC" --version 2>/dev/null | sed -n -e 's/^.*clang.*\([[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\).*$/\1/p'`
      + if test x"$CLANG_VERSION_STRING" != x"" ; then
      + CLANG_MAJOR=`echo "$CLANG_VERSION_STRING" | sed -n -e 's/\([[0-9]][[0-9]]*\)\.[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*/\1/p'`
      + CLANG_MINOR=`echo "$CLANG_VERSION_STRING" | sed -n -e 's/[[0-9]][[0-9]]*\.\([[0-9]][[0-9]]*\)\.[[0-9]][[0-9]]*/\1/p'`
      + CLANG_REVISION=`echo "$CLANG_VERSION_STRING" | sed -n -e 's/[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.\([[0-9]][[0-9]]*\)/\1/p'`
      + CLANG_VERSION=`expr $CLANG_MAJOR '*' 1000000 '+' $CLANG_MINOR '*' 1000 '+' $CLANG_REVISION`
      + AC_MSG_RESULT($CLANG_VERSION)
      + dnl If you find the same issue with versions earlier than 500.2.75,
      + dnl change the constant 500002075 below appropriately. To get the
      + dnl integer corresponding to a version number, refer to the
      + dnl definition of CLANG_VERSION above.
      + if test "$CLANG_VERSION" -ge 500002075 ; then
      + CFLAGS=`echo "$CFLAGS" | sed -n -e 's/-fno-strength-reduce/ /p'`
      + fi
      + else
      + AC_MSG_RESULT(no)
      + fi
      +
      dnl If configure thinks we are cross compiling, there might be something
      dnl wrong with the CC or CFLAGS settings, give a useful warning message
      if test "$cross_compiling" = yes; then
      *** ../vim-7.4.047/src/auto/configure 2013-08-04 20:01:06.000000000 +0200
      --- src/auto/configure 2013-10-02 17:56:52.000000000 +0200
      ***************
      *** 3989,3994 ****
      --- 3989,4012 ----
      fi
      fi

      + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for recent clang version" >&5
      + $as_echo_n "checking for recent clang version... " >&6; }
      + CLANG_VERSION_STRING=`"$CC" --version 2>/dev/null | sed -n -e 's/^.*clang.*\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*$/\1/p'`
      + if test x"$CLANG_VERSION_STRING" != x"" ; then
      + CLANG_MAJOR=`echo "$CLANG_VERSION_STRING" | sed -n -e 's/\([0-9][0-9]*\)\.[0-9][0-9]*\.[0-9][0-9]*/\1/p'`
      + CLANG_MINOR=`echo "$CLANG_VERSION_STRING" | sed -n -e 's/[0-9][0-9]*\.\([0-9][0-9]*\)\.[0-9][0-9]*/\1/p'`
      + CLANG_REVISION=`echo "$CLANG_VERSION_STRING" | sed -n -e 's/[0-9][0-9]*\.[0-9][0-9]*\.\([0-9][0-9]*\)/\1/p'`
      + CLANG_VERSION=`expr $CLANG_MAJOR '*' 1000000 '+' $CLANG_MINOR '*' 1000 '+' $CLANG_REVISION`
      + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CLANG_VERSION" >&5
      + $as_echo "$CLANG_VERSION" >&6; }
      + if test "$CLANG_VERSION" -ge 500002075 ; then
      + CFLAGS=`echo "$CFLAGS" | sed -n -e 's/-fno-strength-reduce/ /p'`
      + fi
      + else
      + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
      + $as_echo "no" >&6; }
      + fi
      +
      if test "$cross_compiling" = yes; then
      { $as_echo "$as_me:${as_lineno-$LINENO}: result: cannot compile a simple program; if not cross compiling check CC and CFLAGS" >&5
      $as_echo "cannot compile a simple program; if not cross compiling check CC and CFLAGS" >&6; }
      *** ../vim-7.4.047/src/version.c 2013-10-02 16:46:23.000000000 +0200
      --- src/version.c 2013-10-02 17:19:31.000000000 +0200
      ***************
      *** 740,741 ****
      --- 740,743 ----
      { /* Add new patch number below this line */
      + /**/
      + 48,
      /**/

      --
      I have to exercise early in the morning before my brain
      figures out what I'm doing.

      /// Bram Moolenaar -- Bram@... -- http://www.Moolenaar.net \\\
      /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
      \\\ an exciting new programming language -- http://www.Zimbu.org ///
      \\\ help me help AIDS victims -- http://ICCF-Holland.org ///

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