WL#5665: Removal of the autotools-based build system

The autotools-based build system has been superseded and
is being removed in order to ease the maintenance burden on
developers tweaking and maintaining the build system.

In order to support tools that need to extract the server
version, a new file that (only) contains the server version,
called VERSION, is introduced. The file contents are human
and machine-readable. The format is:

MYSQL_VERSION_MAJOR=5
MYSQL_VERSION_MINOR=5
MYSQL_VERSION_PATCH=8
MYSQL_VERSION_EXTRA=-rc

The CMake based version extraction in cmake/mysql_version.cmake
is changed to extract the version from this file. The configure
to CMake wrapper is retained for backwards compatibility and to
support the BUILD/ scripts. Also, a new a makefile target
show-dist-name that prints the server version is introduced.

BUILD/FINISH.sh

@@ -4,8 +4,7 @@ extra_configs="$extra_configs $local_infile_configs"
 configure="./configure $base_configs $extra_configs"
 
 commands="\
-$make -k maintainer-clean || true 
-/bin/rm -rf */.deps/*.P configure config.cache storage/*/configure storage/*/config.cache autom4te.cache storage/*/autom4te.cache;
+/bin/rm -rf configure;
 /bin/rm -rf CMakeCache.txt CMakeFiles/
 
 path=`dirname $0`

BUILD/autorun.sh

@@ -1,38 +1,9 @@
 #!/bin/sh
-# Create MySQL autotools infrastructure
+# Create MySQL cmake configure wrapper
 
 die() { echo "$@"; exit 1; }
 
-# Handle "glibtoolize" (e.g., for native OS X autotools) as another
-# name for "libtoolize". Use the first one, either name, found in PATH.
-LIBTOOLIZE=libtoolize  # Default
-IFS="${IFS=   }"; save_ifs="$IFS"; IFS=':'
-for dir in $PATH
-do
-  if test -x $dir/glibtoolize
-  then
-    LIBTOOLIZE=glibtoolize
-    break
-  elif test -x $dir/libtoolize
-  then
-    break
-  fi
-done
-IFS="$save_ifs"
-
-rm -rf configure
-aclocal || die "Can't execute aclocal" 
-autoheader || die "Can't execute autoheader"
-# --force means overwrite ltmain.sh script if it already exists 
-$LIBTOOLIZE --automake --force --copy || die "Can't execute libtoolize"
-
-# --add-missing instructs automake to install missing auxiliary files
-# and --force to overwrite them if they already exist
-automake --add-missing --force  --copy || die "Can't execute automake"
-autoconf || die "Can't execute autoconf"
-# Do not use autotools generated configure directly. Instead, use a script
-# that will either call CMake or original configure shell script at build
-# time (CMake is preferred if installed).
-mv configure configure.am
-cp BUILD/cmake_configure.sh configure
-chmod a+x configure
+# Use a configure script that will call CMake.
+path=`dirname $0`
+cp $path/cmake_configure.sh $path/../configure
+chmod +x $path/../configure

BUILD/cmake_configure.sh

@@ -1,14 +1,17 @@
 #!/bin/sh
-# Choose whether to use autoconf created configure
-# of perl script that calls cmake.
 
 # Ensure cmake and perl are there
 cmake -P cmake/check_minimal_version.cmake >/dev/null 2>&1 || HAVE_CMAKE=no
-perl --version >/dev/null 2>&1 || HAVE_CMAKE=no
+perl --version >/dev/null 2>&1 || HAVE_PERL=no
 scriptdir=`dirname $0`
 if test "$HAVE_CMAKE" = "no"
 then
-  sh $scriptdir/configure.am "$@"
+  echo "CMake is required to build MySQL."
+  exit 1
+elif test "$HAVE_PERL" = "no"
+then
+  echo "Perl is required to build MySQL using the configure to CMake translator."
+  exit 1
 else
   perl $scriptdir/cmake/configure.pl "$@"
 fi