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changeset 11093:e0694d4c4483 v8.0.0434

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patch 8.0.0434: clang version not correctly detected commit https://github.com/vim/vim/commit/5f69fee26e0688c1646c8724ab794cb0c8d7c44d Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 9 11:58:40 2017 +0100 patch 8.0.0434: clang version not correctly detected Problem: Clang version not correctly detected. Solution: Adjust the configure script. (Kazunobu Kuriyama)
author Christian Brabandt <cb@256bit.org>
date Thu, 09 Mar 2017 12:00:06 +0100
parents 24caa60f5e94
children 976d17c8c644
files src/auto/configure src/configure.ac src/version.c
diffstat 3 files changed, 46 insertions(+), 13 deletions(-) [+]
line wrap: on
line diff
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -4114,9 +4114,9 @@ if test "$GCC" = yes; then
   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'`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for clang version" >&5
+$as_echo_n "checking for clang version... " >&6; }
+CLANG_VERSION_STRING=`$CC --version 2>/dev/null | sed  -n -e 's/^.*clang[^0-9]*\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*$/\1/p'`
 if test x"$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'`
@@ -4124,12 +4124,19 @@ if test x"$CLANG_VERSION_STRING" != x"" 
   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; }
+          { $as_echo "$as_me:${as_lineno-$LINENO}: checking if clang supports -fno-strength-reduce" >&5
+$as_echo_n "checking if clang supports -fno-strength-reduce... " >&6; }
+  if test "$CLANG_VERSION" -ge 500002075 ; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+    CFLAGS=`echo "$CFLAGS" | sed -e 's/-fno-strength-reduce/ /'`
+  else
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+  fi
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: N/A" >&5
+$as_echo "N/A" >&6; }
 fi
 
 CROSS_COMPILING=
@@ -10094,6 +10101,18 @@ fi
 
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for /proc/self/exe" >&5
+$as_echo_n "checking for /proc/self/exe... " >&6; }
+if test -L "/proc/self/exe"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+    $as_echo "#define HAVE_PROC_SELF_EXE 1" >>confdefs.h
+
+else
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for CYGWIN or MSYS environment" >&5
 $as_echo_n "checking for CYGWIN or MSYS environment... " >&6; }
 case `uname` in
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -67,8 +67,8 @@ dnl clang-500.2.75 or around has abandon
 dnl warning when that flag is passed to.  Accordingly, adjust CFLAGS based on
 dnl the version number of the clang in use.
 dnl Note that this does not work to get the version of clang 3.1 or 3.2.
-AC_MSG_CHECKING(for recent clang version)
-CLANG_VERSION_STRING=`$CC --version 2>/dev/null | sed  -n -e 's/^.*clang.*\([[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\).*$/\1/p'`
+AC_MSG_CHECKING(for clang version)
+CLANG_VERSION_STRING=`$CC --version 2>/dev/null | sed  -n -e 's/^.*clang[[^0-9]]*\([[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\).*$/\1/p'`
 if test x"$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'`
@@ -79,11 +79,15 @@ if test x"$CLANG_VERSION_STRING" != x"" 
   dnl change the constant 500002075 below appropriately.  To get the
   dnl integer corresponding to a version number, refer to the
   dnl definition of CLANG_VERSION above.
+  AC_MSG_CHECKING(if clang supports -fno-strength-reduce)
   if test "$CLANG_VERSION" -ge 500002075 ; then
-    CFLAGS=`echo "$CFLAGS" | sed -n -e 's/-fno-strength-reduce/ /p'`
+    AC_MSG_RESULT(no)
+    CFLAGS=`echo "$CFLAGS" | sed -e 's/-fno-strength-reduce/ /'`
+  else
+    AC_MSG_RESULT(yes)
   fi
 else
-  AC_MSG_RESULT(no)
+  AC_MSG_RESULT(N/A)
 fi
 
 dnl If configure thinks we are cross compiling, there might be something
@@ -3016,6 +3020,14 @@ dnl ------------------------------------
 dnl end of GUI-checking
 dnl ---------------------------------------------------------------------------
 
+AC_MSG_CHECKING([for /proc/self/exe])
+if test -L "/proc/self/exe"; then
+    AC_MSG_RESULT(yes)
+    AC_DEFINE(HAVE_PROC_SELF_EXE)
+else
+    AC_MSG_RESULT(no)
+fi
+
 dnl Check for Cygwin, which needs an extra source file if not using X11
 AC_MSG_CHECKING(for CYGWIN or MSYS environment)
 case `uname` in
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    434,
+/**/
     433,
 /**/
     432,