* The 'check' and 'buildtests' scripts no longer take a jobs parameter.

  Instead, they honor the EIGEN_JOBS environment variable if defined.
* The syntax ${BLABLA} in bash scripts was conflicting with CMake configured
  file syntax. Resolved by using the @ONLY option and the @BLABLA@ syntax.

scripts/CMakeLists.txt

 get_property(EIGEN_TESTS_LIST GLOBAL PROPERTY EIGEN_TESTS_LIST)
-configure_file(buildtests.in ${CMAKE_BINARY_DIR}/buildtests)
+configure_file(buildtests.in ${CMAKE_BINARY_DIR}/buildtests @ONLY)
 
-configure_file(check.in ${CMAKE_BINARY_DIR}/check)
-configure_file(debug.in ${CMAKE_BINARY_DIR}/debug)
-configure_file(release.in ${CMAKE_BINARY_DIR}/release)
+configure_file(check.in ${CMAKE_BINARY_DIR}/check COPYONLY)
+configure_file(debug.in ${CMAKE_BINARY_DIR}/debug COPYONLY)
+configure_file(release.in ${CMAKE_BINARY_DIR}/release COPYONLY)

scripts/buildtests.in

 #!/bin/bash
 
-if [ $# == 0 -o $# -ge 3 ]
+if [ $# == 0 -o $# -ge 2 ]
 then
-  echo "usage: ./buildtests regexp [jobs]"
-  echo "  makes tests matching the regexp, with [jobs] concurrent make jobs"
+  echo "usage: ./buildtests regexp"
+  echo "  Makes tests matching the regexp."
+  echo "  The EIGEN_JOBS environment variable controls how many"
+  echo "  concurrent jobs are launched."
   exit 0
 fi
 
-TESTSLIST="${EIGEN_TESTS_LIST}"
-
+TESTSLIST="@EIGEN_TESTS_LIST@"
 targets_to_make=`echo "$TESTSLIST" | egrep "$1" | xargs echo`
 
-if [ $# == 1 ]
+if [ -n "${EIGEN_JOBS:+x}" ]
 then
+  make $targets_to_make -j${EIGEN_JOBS}
+else
   make $targets_to_make
-  exit $?
 fi
+exit $?
 
-if [ $# == 2 ]
-then
-  make -j $2 $targets_to_make
-  exit $?
-fi

scripts/check.in

 #!/bin/bash
 # check : shorthand for make and ctest -R
 
-if [ $# == 0 -o $# -ge 3 ]
+if [ $# == 0 -o $# -ge 2 ]
 then
-  echo "usage: ./check regexp [jobs]"
-  echo "  makes and runs tests matching the regexp, with [jobs] concurrent make jobs"
+  echo "usage: ./check regexp"
+  echo "  Makes and runs tests matching the regexp."
+  echo "  The EIGEN_JOBS environment variable controls how many"
+  echo "  concurrent jobs are launched."
   exit 0
 fi
 
-# TODO when ctest 2.8 comes out, honor the jobs parameter
-./buildtests "$1" "${2:-1}" && ctest -R "$1"
+# TODO ctest 2.8 is out, honor the jobs parameter
+./buildtests "$1" && ctest -R "$1"