Marco Nelissen | 548dde4 | 2014-01-07 10:11:28 -0800 | [diff] [blame] | 1 | dnl @synopsis GP_CHECK_SHELL_ENVIRONMENT([SHOW-LOCALE-VARS]) |
| 2 | dnl |
| 3 | dnl Check that the shell environment is sane. |
| 4 | dnl |
| 5 | dnl If SHOW-LOCALE-VARS is set to [true], print all LC_* and LANG* |
| 6 | dnl variables at configure time. (WARNING: This is not portable!) |
| 7 | dnl |
| 8 | dnl |
| 9 | AC_DEFUN([GP_CHECK_SHELL_ENVIRONMENT], |
| 10 | [ |
| 11 | # make sure "cd" doesn't print anything on stdout |
| 12 | if test x"${CDPATH+set}" = xset |
| 13 | then |
| 14 | CDPATH=: |
| 15 | export CDPATH |
| 16 | fi |
| 17 | |
| 18 | # make sure $() command substitution works |
| 19 | AC_MSG_CHECKING([for POSIX sh \$() command substitution]) |
| 20 | if test "x$(pwd)" = "x`pwd`" && test "y$(echo "foobar")" = "y`echo foobar`" # '''' |
| 21 | then |
| 22 | AC_MSG_RESULT([yes]) |
| 23 | else |
| 24 | AC_MSG_RESULT([no]) |
| 25 | uname=`uname 2>&1` # '' |
| 26 | uname_a=`uname -a 2>&1` # '' |
| 27 | AC_MSG_ERROR([ |
| 28 | |
| 29 | * POSIX sh \$() command substition does not work with this shell. |
| 30 | * |
| 31 | * You are running a very rare species of shell. Please report this |
| 32 | * sighting to <${PACKAGE_BUGREPORT}>: |
| 33 | * SHELL=${SHELL} |
| 34 | * uname=${uname} |
| 35 | * uname-a=${uname_a} |
| 36 | * Please also include your OS and version. |
| 37 | * |
| 38 | * Run this configure script using a better (i.e. POSIX compliant) shell. |
| 39 | ]) |
| 40 | fi |
| 41 | dnl |
| 42 | m4_if([$1],[true],[dnl |
| 43 | printenv | grep -E '^(LC_|LANG)' |
| 44 | ])dnl |
| 45 | |
| 46 | dnl |
| 47 | ])dnl |
| 48 | dnl |