Fixed that RPM can be recompiled even if there is not another glibc in /usr/local/mysql-glibc

Build-tools/Do-compile

@@ -92,7 +92,7 @@ if ($opt_stage == 0)
   {
     system("mkdir $host") if (! -d $host);
     system("touch $host/mysql-fix-for-glob");
-    rm_all(<$host/mysql-*>);
+    rm_all(<$host/mysql*>);
     system("mkdir $host/bin") if (! -d "$host/bin");
   }
   rm_all("$host/test");

Build-tools/Do-rpm

@@ -152,7 +152,7 @@ cat > $logdir/$TMP_SCRIPT_MYSQL <<END
 set -x
 
 # Check environment
-export MYSQL_BUILD_PATH="/usr/cygnus/redhat-980810/H-i386-pc-linux-gnu/bin/:/usr/bin:/bin"
+export MYSQL_BUILD_PATH="/usr/local/bin:/my/gnu/bin:/usr/bin:/bin"
 export MYSQL_BUILD_CFLAGS="-O6 -fno-omit-frame-pointer -mpentium"
 export MYSQL_BUILD_CXXFLAGS="-O6 -fno-omit-frame-pointer \
 	          -felide-constructors -fno-exceptions -fno-rtti -mpentium"

Docs/manual.texi

@@ -32044,7 +32044,7 @@ mysql> select INET_ATON("209.207.224.40");
 @end example
 
 The generated number is always in network byte order; For example the
-above number is calculated as @code{209*255^3 + 207*255^2 + 224*255 +40}.
+above number is calculated as @code{209*256^3 + 207*256^2 + 224*256 +40}.
 
 @findex MASTER_POS_WAIT()
 @item MASTER_POS_WAIT(log_name, log_pos)

configure.in

@@ -436,11 +436,12 @@ AC_ARG_WITH(other-libc,
    enable_shared="no"
    all_is_static="yes"
    CFLAGS="$CFLAGS -I$other_libc_include"
+   # There seems to be a feature in gcc that treats system and libc headers
+   # silently when they violatate ANSI C++ standard, but it is strict otherwise
+   # since gcc cannot now recognize that our headers are libc, we work around
+   # by telling it to be permissive. Note that this option only works with
+   # new versions of gcc (2.95.x and above)
    CXXFLAGS="$CXXFLAGS -fpermissive -I$other_libc_include"
-#There seems to be a feature in gcc that treats system and libc headers
-#leniently when they violatate ANSI C++ standard, but it is strict otherwise
-#since gcc cannot now recognize that our headers are libc, we work around
-#by telling it to be permissive
    static_nss=
    if test -f "$other_libc_lib/libnss_files.a"
    then
@@ -461,12 +462,12 @@ AC_ARG_WITH(other-libc,
      LDFLAGS="$LDFLAGS -static -L$other_libc_lib "
    fi
    
+   # When linking against custom libc installed separately, we want to force
+   # all binary builds to be static, including the build done by configure
+   # itself to test for system features.
    with_mysqld_ldflags="-all-static"
    with_client_ldflags="-all-static"
    NOINST_LDFLAGS="-all-static"
-#when linking against custom libc installed separately, we want to force all
-#binary builds to be static, including the build done by configure itself
-#to test for system features   
  ],
  [
   other_libc_include=
@@ -1512,9 +1513,9 @@ ac_save_CXXFLAGS="$CXXFLAGS"
 AC_CACHE_CHECK([style of gethost* routines], mysql_cv_gethost_style,
 AC_LANG_SAVE
 AC_LANG_CPLUSPLUS
-#do not treat warnings as errors if we are linking agaist other libc
-#this is to work around gcc not being permissive on non-system includes
-#with respect to ANSI C++
+# Do not treat warnings as errors if we are linking agaist other libc
+# this is to work around gcc not being permissive on non-system includes
+# with respect to ANSI C++
 if test "$ac_cv_prog_gxx" = "yes" -a "$with_other_libc" = "no" 
 then
   CXXFLAGS="$CXXFLAGS -Werror"
@@ -2204,7 +2205,7 @@ then
   fi
 fi
 
-#IMPORTANT - do not modify LIBS past this line - this hack is the only way
+# IMPORTANT - do not modify LIBS past this line - this hack is the only way
 # I know to add the static NSS magic if we have static NSS libraries with
 # glibc - Sasha
 

support-files/mysql.spec.sh

@@ -188,9 +188,17 @@ sh -c  "PATH=\"${MYSQL_BUILD_PATH:-/bin:/usr/bin}\" \
  make benchdir_root=$RPM_BUILD_ROOT/usr/share/
 }
 
-# Use the build root for temporary storage of the shared libraries.
+# Use our own copy of glibc
 
 OTHER_LIBC_DIR=/usr/local/mysql-glibc
+USE_OTHER_LIBC_DIR=""
+if test -d "OTHER_LIBC_DIR"
+then
+  USE_OTHER_LIBC_DIR="--with-other-libc=$OTHER_LIBC_DIR"
+fi
+
+# Use the build root for temporary storage of the shared libraries.
+
 RBR=$RPM_BUILD_ROOT
 MBD=$RPM_BUILD_DIR/mysql-%{mysql_version}
 if test -z "$RBR" -o "$RBR" = "/"
@@ -204,7 +212,7 @@ mkdir -p $RBR
 # We need to build shared libraries separate from mysqld-max because we
 # are using --with-other-libc
 
-BuildMySQL "--disable-shared --with-other-libc=$OTHER_LIBC_DIR --with-berkeley-db --with-innodb --with-mysqld-ldflags='-all-static' --with-server-suffix='-Max'"
+BuildMySQL "--disable-shared $USE_OTHER_LIBC_DIR --with-berkeley-db --with-innodb --with-mysqld-ldflags='-all-static' --with-server-suffix='-Max'"
 
 # Save everything for debug
 # tar cf $RBR/all.tar .
@@ -234,7 +242,7 @@ automake
 BuildMySQL "--disable-shared" \
 	   "--with-mysqld-ldflags='-all-static'" \
 	   "--with-client-ldflags='-all-static'" \
-  	   "--with-other-libc=$OTHER_LIBC_DIR" \
+  	   "$USE_OTHER_LIBC_DIR" \
 	   "--without-berkeley-db --without-innodb"
 nm --numeric-sort sql/mysqld > sql/mysqld.sym