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