| dnl @synopsis GP_CHECK_SHELL_ENVIRONMENT([SHOW-LOCALE-VARS]) |
| dnl |
| dnl Check that the shell environment is sane. |
| dnl |
| dnl If SHOW-LOCALE-VARS is set to [true], print all LC_* and LANG* |
| dnl variables at configure time. (WARNING: This is not portable!) |
| dnl |
| dnl |
| AC_DEFUN([GP_CHECK_SHELL_ENVIRONMENT], |
| [ |
| # make sure "cd" doesn't print anything on stdout |
| if test x"${CDPATH+set}" = xset |
| then |
| CDPATH=: |
| export CDPATH |
| fi |
| |
| # make sure $() command substitution works |
| AC_MSG_CHECKING([for POSIX sh \$() command substitution]) |
| if test "x$(pwd)" = "x`pwd`" && test "y$(echo "foobar")" = "y`echo foobar`" # '''' |
| then |
| AC_MSG_RESULT([yes]) |
| else |
| AC_MSG_RESULT([no]) |
| uname=`uname 2>&1` # '' |
| uname_a=`uname -a 2>&1` # '' |
| AC_MSG_ERROR([ |
| |
| * POSIX sh \$() command substition does not work with this shell. |
| * |
| * You are running a very rare species of shell. Please report this |
| * sighting to <${PACKAGE_BUGREPORT}>: |
| * SHELL=${SHELL} |
| * uname=${uname} |
| * uname-a=${uname_a} |
| * Please also include your OS and version. |
| * |
| * Run this configure script using a better (i.e. POSIX compliant) shell. |
| ]) |
| fi |
| dnl |
| m4_if([$1],[true],[dnl |
| printenv | grep -E '^(LC_|LANG)' |
| ])dnl |
| |
| dnl |
| ])dnl |
| dnl |
