improve the scripts for building unit tests:

* support unsupported/
* use egrep instead of grep, properly escape special chars.

scripts/CMakeLists.txt

@@ -1,3 +1,6 @@
+get_property(EIGEN_TESTS_LIST GLOBAL PROPERTY EIGEN_TESTS_LIST)
+configure_file(buildtests.in ${CMAKE_BINARY_DIR}/buildtests)
+
 configure_file(check.in ${CMAKE_BINARY_DIR}/check)
 configure_file(debug.in ${CMAKE_BINARY_DIR}/debug)
 configure_file(release.in ${CMAKE_BINARY_DIR}/release)

scripts/buildtests.in

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+if [ $# == 0 -o $# -ge 3 ]
+then
+  echo "usage: ./buildtests regexp [jobs]"
+  echo "  makes tests matching the regexp, with [jobs] concurrent make jobs"
+  exit 0
+fi
+
+TESTSLIST="${EIGEN_TESTS_LIST}"
+
+targets_to_make=`echo "$TESTSLIST" | egrep "$1" | sed s/^/test_/g | xargs echo`
+
+if [ $# == 1 ]
+then
+  make $targets_to_make
+  exit $?
+fi
+
+if [ $# == 2 ]
+then
+  make -j $2 $targets_to_make
+  exit $?
+fi

scripts/check.in

@@ -4,9 +4,9 @@
 if [ $# == 0 -o $# -ge 3 ]
 then
   echo "usage: ./check regexp [jobs]"
-  echo "  makes and runs tests matching the regexp, with <jobs> concurrent make jobs"
+  echo "  makes and runs tests matching the regexp, with [jobs] concurrent make jobs"
   exit 0
 fi
 
 # TODO when ctest 2.8 comes out, honor the jobs parameter
-./buildtests $* && ctest -R $1
+./buildtests "$1" "$2" && ctest -R "$1"