Add better bootstrap script.

Signed-off-by: Bradley Smith <brad@brad-smith.co.uk>

1 files changed, 136 insertions, 1 deletions

diff --git a/bootstrap.sh b/bootstrap.sh
index 23680ce..0c24e30 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -1,3 +1,138 @@
 #!/bin/sh
+# Run this to generate all the initial makefiles, etc.
+
+DIE=0
+SRCDIR=`dirname $0`
+BUILDDIR=`pwd`
+srcfile=src/main.c
+
+debug ()
+# print out a debug message if DEBUG is a defined variable
+{
+  if [ ! -z "$DEBUG" ]; then
+    echo "DEBUG: $1"
+  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
+# rest of arguments : major, minor, micro version
+{
+  COMPLAIN=$1
+  PACKAGE=$2
+  URL=$3
+  MAJOR=$4
+  MINOR=$5
+  MICRO=$6
+
+  WRONG=
+
+  debug "major $MAJOR minor $MINOR micro $MICRO"
+  VERSION=$MAJOR
+  if [ ! -z "$MINOR" ]; then VERSION=$VERSION.$MINOR; else MINOR=0; fi
+  if [ ! -z "$MICRO" ]; then VERSION=$VERSION.$MICRO; else MICRO=0; fi
+
+  debug "version $VERSION"
+  echo "+ checking for $PACKAGE >= $VERSION ... " | tr -d '\n'
+
+  ($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 $URL"
+    return 1
+  }
+  # the following line is carefully crafted sed magic
+  pkg_version=`$PACKAGE --version|head -n 1|sed 's/([^)]*)//g;s/^[a-zA-Z\.\ \-\/]*//;s/ .*$//'`
+  debug "pkg_version $pkg_version"
+  pkg_major=`echo $pkg_version | cut -d. -f1`
+  pkg_minor=`echo $pkg_version | sed s/[-,a-z,A-Z].*// | cut -d. -f2`
+  pkg_micro=`echo $pkg_version | sed s/[-,a-z,A-Z].*// | cut -d. -f3`
+  [ -z "$pkg_minor" ] && pkg_minor=0
+  [ -z "$pkg_micro" ] && pkg_micro=0
+
+  debug "found major $pkg_major minor $pkg_minor micro $pkg_micro"
+
+  #start checking the version
+  if [ "$pkg_major" -lt "$MAJOR" ]; then
+    WRONG=1
+  elif [ "$pkg_major" -eq "$MAJOR" ]; then
+    if [ "$pkg_minor" -lt "$MINOR" ]; then
+      WRONG=1
+    elif [ "$pkg_minor" -eq "$MINOR" -a "$pkg_micro" -lt "$MICRO" ]; then
+      WRONG=1
+    fi
+  fi
+
+  if [ ! -z "$WRONG" ]; then
+   echo "found $pkg_version, not ok !"
+   if [ "$COMPLAIN" -eq "1" ]; then
+     echo
+     echo "You must have $PACKAGE $VERSION or greater to compile $package."
+     echo "Get the latest version from <$URL>."
+     echo
+   fi
+   return 1
+  else
+    echo "found $pkg_version, ok."
+  fi
+}
+
+version_check 1 "pkg-config" "http://pkgconfig.freedesktop.org/" 0 9 || DIE=1
+version_check 1 "autoconf" "ftp://ftp.gnu.org/pub/gnu/autoconf/" 2 56 || DIE=1
+version_check 1 "automake" "ftp://ftp.gnu.org/pub/gnu/automake/" 1 9 || DIE=1
+if [ "$DIE" -eq 1 ]; then
+  exit 1
+fi
+
+
+# Chdir to the srcdir, then run auto* tools.
+cd $SRCDIR
+
+[ -f $srcfile ] || {
+  echo "Are you sure $SRCDIR is a valid source directory?"
+  exit 1
+}
+
+echo "+ running aclocal ..."
+aclocal || {
+  echo
+  echo "aclocal failed - check that all needed development files are present on system"
+  exit 1
+}
+echo "+ running autoheader ... "
+autoheader || {
+  echo
+  echo "autoheader failed"
+  exit 1
+}
+echo "+ running autoconf ... "
+autoconf || {
+  echo
+  echo "autoconf failed"
+  exit 1
+}
+echo "+ running automake ... "
+automake -a -c || {
+  echo
+  echo "automake failed"
+  exit 1
+}
+
+
+# Chdir back to the builddir before the configure step.
+cd $BUILDDIR
+
+# now remove the cache, because it can be considered dangerous in this case
+echo "+ removing config.cache ... "
+rm -f config.cache
+
+echo
+echo "Now type './configure && make' to compile."
+
+exit 0
 
-autoreconf -fisv