1 --- mpich-3.1.3/configure.ac.orig 2014-10-07 23:50:23.000000000 +0200
2 +++ mpich-3.1.3/configure.ac 2014-11-22 17:11:16.917471496 +0100
4 [http://www.mpich.org/])
6 if test "x$prefix" != "xNONE" && test -d "$prefix"; then
7 - if test "x`(cd \"$prefix\"; echo \"$PWD\")`" = "x`(cd \"$srcdir\"; echo \"$PWD\")`" ||\
8 - test "x`(cd \"$prefix\"; echo \"$PWD\")`" = "x$PWD" ; then
9 + if test "x$( (cd "$prefix"; pwd) )" = "x$( (cd "$srcdir"; pwd) )" ||\
10 + test "x$$ (cd "$prefix"; pwd) )" = "x$(pwd)" ; then
11 AC_MSG_ERROR([The install directory (--prefix=) cannot be the same as the build or src directory.])