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[Freeciv-Dev] Re: (PR#12560) autogen.sh is inflexible when selecting ins
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[Freeciv-Dev] Re: (PR#12560) autogen.sh is inflexible when selecting ins

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To: sini.ruohomaa@xxxxxx
Subject: [Freeciv-Dev] Re: (PR#12560) autogen.sh is inflexible when selecting installed
From: "Tommi Björkbacka" <tommibj@xxxxxxxxx>
Date: Fri, 21 Jul 2006 10:20:58 -0700
Reply-to: bugs@xxxxxxxxxxx

<URL: http://bugs.freeciv.org/Ticket/Display.html?id=12560 >

Here is third (and hopefully last) version of autogen patch.

- Tommi

--- autogen.sh.orig     2006-07-12 23:24:43.000000000 +0300
+++ autogen.sh  2006-07-21 17:27:53.000000000 +0300
@@ -40,19 +40,114 @@
   fi
 }
 
+real_package_name ()
+# solve a real name of suitable package 
+# first argument : package name (executable)
+# second argument : source download url
+# rest of arguments : major, minor, micro version
+{
+  RPACKAGE=$1
+  RURL=$2
+  RMAJOR=$3
+  RMINOR=$4
+  RMICRO=$5
+  
+  new_pkg=$RPACKAGE
+
+  # check if given package is suitable
+  if version_check 2 $RPACKAGE $RPACKAGE $RURL $RMAJOR $RMINOR $RMICRO; then
+    version_check 1 $RPACKAGE $RPACKAGE $RURL $RMAJOR $RMINOR $RMICRO
+  else
+    # given package was too old or not available
+    # search for the newest one
+    if version_search $RPACKAGE; then
+      if version_check 2 $RPACKAGE $new_pkg $RURL $RMAJOR $RMINOR $RMICRO; then
+        # suitable package found
+        version_check 1 $RPACKAGE $new_pkg $RURL $RMAJOR $RMINOR $RMICRO
+      else
+        # the newest package is not new enough or it is broken
+        version_check 1 $RPACKAGE $RPACKAGE $RURL $RMAJOR $RMINOR $RMICRO
+        return 1
+      fi
+    else 
+      # no version of given package with version information 
+      # in its name available
+      version_check 1 $RPACKAGE $RPACKAGE $RURL $RMAJOR $RMINOR $RMICRO
+      return 1
+    fi
+  fi
+
+  REALPKGNAME=$new_pkg
+}
+
+version_search ()
+# search the newest version of a package 
+# first argument : package name (executable)
+{
+  SPACKAGE=$1
+  STOREDIFS=$IFS
+  IFS=":"
+  set -- $PATH
+  IFS=$STOREDIFS
+  
+  s_pkg_major=0
+  s_pkg_minor=0
+  new_pkg=
+  
+  for SEARCHDIR ; do
+    for MATCHSTUFF in `ls "$SEARCHDIR/$SPACKAGE-"* 2> /dev/null` ; do
+      for FOUNDPKG in $MATCHSTUFF; do 
+        # parse version information from name
+        new_s_pkg_major=`echo $FOUNDPKG | cut -s -d- -f2 | cut -s -d. -f1`
+        new_s_pkg_minor=`echo $FOUNDPKG | cut -s -d- -f2 | cut -s -d. -f2`
+
+        CORRECT=
+        # check if version numbers are integers
+        [ ! "x$new_s_pkg_major" = "x" ] && \
+        [ "x`echo $new_s_pkg_major | sed s/[0-9]*//g`" = "x" ] && \
+        [ ! "x$new_s_pkg_minor" = "x" ] && \
+        [ "x`echo $new_s_pkg_minor | sed s/[0-9]*//g`" = "x" ] && \
+        CORRECT=1
+
+        if [ ! -z $CORRECT ]; then        
+          if [ "$new_s_pkg_major" -gt "$s_pkg_major" ]; then
+            s_pkg_major=$new_s_pkg_major
+            s_pkg_minor=$new_s_pkg_minor
+            new_pkg="$FOUNDPKG"
+          elif [ "$new_s_pkg_major" -eq "$s_pkg_major" ]; then
+            if [ "$new_s_pkg_minor" -gt "$s_pkg_minor" ]; then
+              s_pkg_major=$new_s_pkg_major
+              s_pkg_minor=$new_s_pkg_minor
+              new_pkg="$FOUNDPKG"
+            fi
+          fi
+        fi
+      done
+    done
+  done
+  
+  if [ -z "$new_pkg"  ]; then
+    return 1
+  else
+    return 0
+  fi
+}
+
 version_check ()
 # check the version of a package
-# first argument : complain ('1') or not ('0')
-# second argument : package name (executable)
-# third argument : source download url
+# first argument : silent ('2'), complain ('1') or not ('0')
+# second argument : package name 
+# third argument : package name (executable)
+# fourth argument : source download url
 # rest of arguments : major, minor, micro version
 {
   COMPLAIN=$1
-  PACKAGE=$2
-  URL=$3
-  MAJOR=$4
-  MINOR=$5
-  MICRO=$6
+  PACKAGEMSG=$2
+  PACKAGE=$3
+  URL=$4
+  MAJOR=$5
+  MINOR=$6
+  MICRO=$7
 
   WRONG=
 
@@ -62,16 +157,21 @@
   if [ ! -z "$MICRO" ]; then VERSION=$VERSION.$MICRO; else MICRO=0; fi
 
   debug "version $VERSION"
-  echo "+ checking for $PACKAGE >= $VERSION ... " | tr -d '\n'
-
+  if [ "$COMPLAIN" -ne "2" ]; then
+    echo "+ checking for $PACKAGEMSG >= $VERSION ... " | tr -d '\n'
+  fi
+  
   ($PACKAGE --version) < /dev/null > /dev/null 2>&1 || 
   {
-    echo
-    echo "You must have $PACKAGE installed to compile $package."
-    echo "Download the appropriate package for your distribution,"
-    echo "or get the source tarball at $URL"
+    if [ "$COMPLAIN" -ne "2" ]; then
+      echo
+      echo "You must have $PACKAGEMSG installed to compile $package."
+      echo "Download the appropriate package for your distribution,"
+      echo "or get the source tarball at $URL"
+    fi
     return 1
   }
+    
   # the following line is carefully crafted sed magic
   pkg_version=`$PACKAGE --version|head -n 1|sed 's/([^)]*)//g;s/^[a-zA-Z\.\ 
\-]*//;s/ .*$//'`
   debug "pkg_version $pkg_version"
@@ -95,16 +195,20 @@
   fi
 
   if [ ! -z "$WRONG" ]; then
-   echo "found $pkg_version, not ok !"
+   if [ "$COMPLAIN" -ne "2" ]; then
+     echo "found $pkg_version, not ok !"
+   fi
    if [ "$COMPLAIN" -eq "1" ]; then
      echo
-     echo "You must have $PACKAGE $VERSION or greater to compile $package."
+     echo "You must have $PACKAGEMSG $VERSION or greater to compile $package."
      echo "Get the latest version from <$URL>."
      echo
    fi
    return 1
   else
-    echo "found $pkg_version, ok."
+    if [ "$COMPLAIN" -ne "2" ]; then
+      echo "found $pkg_version, ok."
+    fi
   fi
 }
 
@@ -120,12 +224,22 @@
 # the original autoconf 2.13 version; we must suppose 2.52 by default here
 cp m4/x.252 m4/x.m4
 
-version_check 1 "autoconf" "ftp://ftp.gnu.org/pub/gnu/autoconf/"; 2 55 || DIE=1
-version_check 1 "automake" "ftp://ftp.gnu.org/pub/gnu/automake/"; 1 6 || DIE=1
+# autoconf and autoheader version numbers must be kept in sync
+real_package_name "autoconf" "ftp://ftp.gnu.org/pub/gnu/autoconf/"; 2 55 || 
DIE=1
+AUTOCONF=$REALPKGNAME
+real_package_name "autoheader" "ftp://ftp.gnu.org/pub/gnu/autoconf/"; 2 55 || 
DIE=1
+AUTOHEADER=$REALPKGNAME
+
+# automake and aclocal version numbers must be kept in sync
+real_package_name "automake" "ftp://ftp.gnu.org/pub/gnu/automake/"; 1 6 || DIE=1
+AUTOMAKE=$REALPKGNAME
+real_package_name "aclocal" "ftp://ftp.gnu.org/pub/gnu/automake/"; 1 6 || DIE=1
+ACLOCAL=$REALPKGNAME
+
 if [ "$FC_USE_NLS" = "yes" ]; then
   DIE2=0
-  version_check 1 "xgettext" "ftp://ftp.gnu.org/pub/gnu/gettext/"; 0 10 36 || 
DIE2=1
-  version_check 1 "msgfmt" "ftp://ftp.gnu.org/pub/gnu/gettext/"; 0 10 36 || 
DIE2=1
+  version_check 1 "xgettext" "xgettext" "ftp://ftp.gnu.org/pub/gnu/gettext/"; 0 
10 36 || DIE2=1
+  version_check 1 "msgfmt" "msgfmt" "ftp://ftp.gnu.org/pub/gnu/gettext/"; 0 10 
36 || DIE2=1
   if [ "$DIE2" -eq 1 ]; then
     echo 
     echo "You may want to use --disable-nls to disable NLS."
@@ -141,29 +255,29 @@
 echo "+ creating acinclude.m4"
 cat m4/*.m4 > acinclude.m4
 
-echo "+ running aclocal ..."
-aclocal $ACLOCAL_FLAGS || {
+echo "+ running $ACLOCAL ..."
+$ACLOCAL $ACLOCAL_FLAGS || {
   echo
-  echo "aclocal failed - check that all needed development files are present 
on system"
+  echo "$ACLOCAL failed - check that all needed development files are present 
on system"
   exit 1
 }
 
-echo "+ running autoheader ... "
-autoheader || {
+echo "+ running $AUTOHEADER ... "
+$AUTOHEADER || {
   echo
-  echo "autoheader failed"
+  echo "$AUTOHEADER failed"
   exit 1
 }
-echo "+ running autoconf ... "
-autoconf || {
+echo "+ running $AUTOCONF ... "
+$AUTOCONF || {
   echo
-  echo "autoconf failed"
+  echo "$AUTOCONF failed"
   exit 1
 }
-echo "+ running automake ... "
-automake -a -c || {
+echo "+ running $AUTOMAKE ... "
+$AUTOMAKE -a -c || {
   echo
-  echo "automake failed"
+  echo "$AUTOMAKE failed"
   exit 1
 }
 

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